48 results on '"Castillo-Figueroa, Dennis"'
Search Results
2. Litter mixture effects on decomposition change with forest succession and are influenced by time and soil fauna in tropical mountain Andes
- Author
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Castillo-Figueroa Dennis
- Subjects
andean forests ,ecological succession ,litter decomposition ,litter mixture ,non-additive effects ,soil fauna ,Ecology ,QH540-549.5 - Abstract
In highly transformed regions, such as the tropical Andes, identifying the influence of forest succession and soil fauna on non-additive effects of litter decomposition is crucial for gaining a more realistic understanding of carbon dynamics and nutrient cycles. The objective of this paper was to analyze the changes of litter mixture effects on decomposition between different soil fauna treatments (macrofauna inclusion vs macrofauna exclusion) and successional stages (mature forests vs secondary forests) in upper Andean tropical forests along time by using a reciprocal translocation experiment of 1,344 litterbags that ran for 18 months with six common native Andean species. Thought t-tests, linear regressions, and linear mixed models, I found that litter mixture effects vary among sites and increase with time in secondary forests until the year of decomposition in litterbags with macrofauna exclusion. Mature forests exhibited strong antagonistic effects, while pronounced synergistic effects were observed in secondary forests. Although soil macrofauna did not increase significantly litter decomposition and synergistic effects in the mixtures at any of the stages of decay, it is likely that soil macrofauna may impact litter mixtures through top-down effects within soil food webs, rather than exerting a direct effect in the litter consumption as has been reported in tropical lowland ecosystems. Overall, this study supports the idea that litter mixtures exhibit significant variability across sites, can change with successional stage, and are influenced by soil fauna depending on the stage of decay in tropical Andean montane forests.
- Published
- 2024
- Full Text
- View/download PDF
3. La importancia de la educación universitaria sobre la biodiversidad de Colombia: perspectivas desde la docencia y el desarrollo sostenible
- Author
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Castillo Figueroa, Dennis, primary
- Published
- 2024
- Full Text
- View/download PDF
4. Variacion en la dieta y estado reproductivo de Mormoops megalophylla (Chiroptera: Mormoopidae) en una cueva del noreste de los Andes de Colombia
- Author
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Arango-Diago, Santiago, Castillo-Figueroa, Dennis, Albarracín-Caro, Juan, and Pérez-Torres, Jairo
- Published
- 2020
- Full Text
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5. Wood density is related to aboveground biomass and productivity along a successional gradient in upper Andean tropical forests
- Author
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Castillo-Figueroa, Dennis, primary, González-Melo, Andrés, additional, and Posada, Juan M., additional
- Published
- 2023
- Full Text
- View/download PDF
6. Nest and egg description of the Andean Guan (Penelope montagnii, Cracidae)
- Author
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Castillo-Figueroa, Dennis and Collazos-González, Sergio Andrés
- Published
- 2020
- Full Text
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7. EXPERIENCIAS DE EDUCACION AMBIENTAL PARA LA CONSERVACION DEL CONDOR ANDINO (VULTUR GRYPHUS) EN LA PROVINCIA DEL GUAVIO, CUNDINAMARCA (COLOMBIA)
- Author
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Castillo-Figueroa, Dennis and Sáenz-Jíménez, Fausto
- Published
- 2019
- Full Text
- View/download PDF
8. Educación ambiental, actitudes y conocimiento de comunidades rurales sobre el Cóndor Andino en el páramo El Almorzadero (Santander, Colombia)
- Author
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Castillo-Figueroa, Dennis, Cely-Gómez, María Alejandra, and Sáenz-Jiménez, Fausto
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- 2019
- Full Text
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9. Sexual Size Dimorphism in 28 Neotropical Bat Species Fails to Obey Rensch's Rule.
- Author
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Castillo-Figueroa, Dennis
- Abstract
Sexual size dimorphism (SSD) is the difference in body size between males and females. One of the most studied patterns in allometric size difference between sexes is Rensch's rule, which describes an increase of SSD with increasing species size when males are the larger sex. However, few studies have tested this rule in bats, and morphological structures other than body size have rarely been included. The objective of this paper was to analyze the patterns of SSD across 28 New World bat species and assess their conformity to Rensch's rule. To do this, I obtained measurements of forearm length, length of the third digit, and length of the fifth digit from 1,151 bat specimens, and through t-tests and reduced major axis regressions, I analyzed patterns of SSD and Rensch's rule. I found high variation in size and wing morphology, with a modest female-biased size in more than half the species, which fails to support Rensch's rule. Larger wing structures in females can improve flight performance to overcome aerodynamic challenges during reproduction when carrying pups and foraging for food. Mechanisms other than body size in females, geographic variation, and the set of species selected may explain the isometric pattern between sexes, which invalidates Rensch's rule for Neotropical bats. Further studies should encompass a broader range of bat species from different lineages, but it is also necessary to analyze SSD based on various traits related to resource use, such as wing and nasal morphology, as well as include the influence of geographic variation and environmental factors. El dimorfismo sexual del tamaño (DST) es la diferencia en el tamaño corporal entre machos y hembras. Uno de los patrones mas estudiados en la diferencia de tamaño alométrico entre sexos es la regla de Rensch que describe un aumento del DST con el aumento del tamaño de la especie cuando los machos son el sexo más grande. Sin embargo, existen pocos estudios realizados en murciélagos y en contadas ocasiones se han incluido estructuras morfológicas distintas del tamaño corporal para probar esta regla. El objetivo de este artículo fue analizar los patrones de DST en 28 especies de murciélagos neotropicales y evaluar la validez de la regla de Rensch. Para ello, obtuve medidas de la longitud del antebrazo, longitud del tercer y quinto dígito de 1,151 especímenes de murciélagos, y a través de pruebas t y de regresiones de eje mayor reducido, analicé patrones de DST y la regla de Rensch. Encontré una gran variación en el tamaño y la morfología alar con un ligero aumento de las hembras en más de la mitad de las especies, lo cual no respalda la regla de Rensch. Estructuras alares más grandes en las hembras pueden mejorar el rendimiento de vuelo para superar los desafíos aerodinámicos durante la reproducción cuando cargan a las crías y buscan alimento. Mecanismos distintos del tamaño corporal en las hembras, así como la variación geográfica, y el conjunto de especies seleccionadas pueden explicar el patrón de isometría entre sexos que invalida la regla de Rensch para murciélagos neotropicales. Futuros estudios deberían abarcar una mayor variedad de especies de murciélagos de diferentes linajes, pero también es necesario analizar el DST en función en diversos rasgos relacionados con el uso de recursos, como la morfología alar y nasal, además de incluir la influencia de la variación geográfica y los factores ambientales. [ABSTRACT FROM AUTHOR]
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- 2023
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10. Mas alla de los especimenes: uniendo colecciones biologicas, ecologia funcional y conservacion de la biodiversidad
- Author
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Castillo-Figueroa, Dennis
- Published
- 2018
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11. Gastrointestinal parasites in phyllostomid bats from the Colombian Amazon
- Author
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Giraldo-Martínez, Carlos Andrés, primary, Castillo-Figueroa, Dennis, additional, Peñuela-Salgado, Mónica María, additional, Poche-Ceballos, Alba Miriam, additional, and Rodríguez-León, Carlos Hernando, additional
- Published
- 2023
- Full Text
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12. Termite sensitivity to temperature affects global wood decay rates
- Author
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Zanne, Amy E, Flores-Moreno, Habacuc, Powell, Jeff R, Cornwell, William K, Dalling, James W, Austin, Amy T, Classen, Aimée T, Eggleton, Paul, Okada, Kei-Ichi, Parr, Catherine L, Adair, E Carol, Adu-Bredu, Stephen, Alam, Md Azharul, Alvarez-Garzón, Carolina, Apgaua, Deborah, Aragón, Roxana, Ardon, Marcelo, Arndt, Stefan K, Ashton, Louise A, Barber, Nicholas A, Beauchêne, Jacques, Berg, Matty P, Beringer, Jason, Boer, Matthias M, Bonet, José Antonio, Bunney, Katherine, Burkhardt, Tynan J, Carvalho, Dulcinéia, Castillo-Figueroa, Dennis, Cernusak, Lucas A, Cheesman, Alexander W, Cirne-Silva, Tainá M, Cleverly, Jamie R, Cornelissen, Johannes H C, Curran, Timothy J, D'Angioli, André M, Dallstream, Caroline, Eisenhauer, Nico, Evouna Ondo, Fidele, Fajardo, Alex, Fernandez, Romina D, Ferrer, Astrid, Fontes, Marco A L, Galatowitsch, Mark L, González, Grizelle, Gottschall, Felix, Grace, Peter R, Granda, Elena, Griffiths, Hannah M, Guerra Lara, Mariana, Hasegawa, Motohiro, Hefting, Mariet M, Hinko-Najera, Nina, Hutley, Lindsay B, Jones, Jennifer, Kahl, Anja, Karan, Mirko, Keuskamp, Joost A, Lardner, Tim, Liddell, Michael, Macfarlane, Craig, Macinnis-Ng, Cate, Mariano, Ravi F, Méndez, M Soledad, Meyer, Wayne S, Mori, Akira S, Moura, Aloysio S, Northwood, Matthew, Ogaya, Romà, Oliveira, Rafael S, Orgiazzi, Alberto, Pardo, Juliana, Peguero, Guille, Penuelas, Josep, Perez, Luis I, Posada, Juan M, Prada, Cecilia M, Přívětivý, Tomáš, Prober, Suzanne M, Prunier, Jonathan, Quansah, Gabriel W, Resco de Dios, Víctor, Richter, Ronny, Robertson, Mark P, Rocha, Lucas F, Rúa, Megan A, Sarmiento, Carolina, Silberstein, Richard P, Silva, Mateus C, Siqueira, Flávia Freire, Stillwagon, Matthew Glenn, Stol, Jacqui, Taylor, Melanie K, Teste, François P, Tng, David Y P, Tucker, David, Türke, Manfred, Ulyshen, Michael D, Valverde-Barrantes, Oscar J, van den Berg, Eduardo, van Logtestijn, Richard S P, Veen, G F Ciska, Vogel, Jason G, Wardlaw, Timothy J, Wiehl, Georg, Wirth, Christian, Woods, Michaela J, Zalamea, Paul-Camilo, Ecology and Biodiversity, Sub Ecology and Biodiversity, Ecology and Biodiversity, Sub Ecology and Biodiversity, Conservation Ecology Group, Animal Ecology, Systems Ecology, and Terrestrial Ecology (TE)
- Subjects
Tropical Climate ,Multidisciplinary ,Temperature ,Isoptera ,Forests ,Wood ,Global Warming ,Carbon Cycle ,Tròpics--Clima ,Explotació forestal ,Cicle del carboni ,Animals ,Wood/microbiology ,General - Abstract
Deadwood is a large global carbon store with its store size partially determined by biotic decay. Microbial wood decay rates are known to respond to changing temperature and precipitation. Termites are also important decomposers in the tropics but are less well studied. An understanding of their climate sensitivities is needed to estimate climate change effects on wood carbon pools. Using data from 133 sites spanning six continents, we found that termite wood discovery and consumption were highly sensitive to temperature (with decay increasing >6.8 times per 10°C increase in temperature)—even more so than microbes. Termite decay effects were greatest in tropical seasonal forests, tropical savannas, and subtropical deserts. With tropicalization (i.e., warming shifts to tropical climates), termite wood decay will likely increase as termites access more of Earth’s surface. This study received support from the following sources: US National Science Foundation (NSF) DEB-1655759 (A.E.Z.); US NSF DEB-2149151 (A.E.Z.); US NSF DEB-1713502 (M.A.); US NSF DEB-1713435 (M.A.); US NSF DEB-1647502 (N.A.B.); US NSF DEB-1546686 (G.G.); US NSF DEB-1831952 (G.G.); George Washington University (A.E.Z.); USDA Forest Service (G.G.); Centre College Faculty Development Funds (M.L.G.); Australia Terrestrial Ecosystem Research Network National Collaborative Research Infrastructure Strategy (P.R.G., M.K., M.L., M.M.B., R.P.S., J.S., L.B.H., M.N., S.M.P., T.J.W., and S.K.A.); Royal Society-FCDO Africa Capacity Building Initiative (C.L.P., G.W.Q., S.A.-B., K.B., F.E.O., and M.P.R.); New Phytologist Foundation (A.T.A.); Fondecyt grant 1160329 (C.D.); Coordenação de Aperfeiçoamento de Pessoal de Nível Superior, Brasil (CAPES) (E.v.d.B., A.S.Mou., R.F.M., F.F.S., T.M.C.-S., R.S.O., and A.M.D.); Department of Ecology and Conservation of the Federal University of Lavras (T.M.C.-S.); CNPq (E.v.d.B. and R.S.O.); FAPEMIG (E.v.d.B.); Australian Academy of Science 2017 Thomas Davies Research Grant (J.R.P.); Australian Research Council DP160103765 (W.K.C., J.R.P., and A.E.Z.); UK National Environment Research Council NE/L000016/1 (L.A.A.); Fundação de Amparo à Pesquisa do Estado de São Paulo, Brazil NERC - FAPESP 19/07773-1 (R.S.O. and A.M.D.); Environment Research and Technology Development Fund ERTDF, JPMEERF15S11420 of the Environmental Restoration and Conservation Agency of Japan (A.S.Mor. and K.O.); COLCIENCIAS no. FP44842-046-2017 (J.M.P.); Spanish government PID2019-110521GB-I00 (J.Pe., G.P., and R.O.); Catalan government grant SGR 2017-1005 (J.Pe., G.P., and R.O.); Fundación Ramón Areces ELEMENTAL-CLIMATE (J.Pe., G.P., and R.O.); National Agency for the Promotion of Research, Technological Development and Innovation, Scientific and Technological Research Project 2018-01561 PICT 2018-01561 (F.P.T.); ANID PIA/BASAL FB210006 (A.Fa.); Millennium Science Initiative Program NCN2021-050 (A.Fa.); iDiv German Research Foundation DFG–FZT 118, 202548816 (N.E.); and European Research Council Horizon 2020 research and innovation program no. 677232 (N.E.).
- Published
- 2022
13. Does Bergmann’s rule apply in bats? Evidence from two neotropical species
- Author
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Castillo-Figueroa, Dennis, primary
- Published
- 2022
- Full Text
- View/download PDF
14. Confirmacion del registro de Homoeoneuria Eaton, 1881 (Ephemeroptera: Oligoneuriidae) en Colombia
- Author
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Garzón-Salamanca, Laura L., Castillo-Figueroa, Dennis, and Aristizábal-García, Hernán
- Subjects
Taxonomía ,Efímeras ,Distribución ,Aquatic insects ,Mayflies ,Insectos acuáticos ,Distribution ,Taxonomy - Abstract
Homoeoneuria Eaton, 1881 is a genus of the Oligoneuriidae family whose geographical distribution remains poorly documented, especially in the Northern region of South America. Here we confirm the record of Homoeoneuria in Colombia, thus extending its distribution in South America beyond the records from Brazil, Peru, and Argentina. The confirmation was done on three nymphs from the department of Cesar found on sandy-silt sediments in the transition between the Andean and Caribbean regions. Resumen Homoeoneuria Eaton, 1881 es un género de la familia Oligoneuriidae, cuya distribución geográfica se encuentra poco documentada, especialmente en la región norte de Suramérica. Confirmamos aquí el registro del género Homoeoneuria en Colombia, con lo que su distribución en Suramérica se amplía con respecto a los registros conocidos en Brasil, Perú y Argentina. La confirmación se hizo en tres ninfas del departamento del Cesar halladas sobre sedimentos limo-arenosos en la transición de las regiones Andina y Caribe.
- Published
- 2022
15. Termite sensitivity to temperature affects global wood decay rates
- Author
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Ecology and Biodiversity, Sub Ecology and Biodiversity, Zanne, Amy E, Flores-Moreno, Habacuc, Powell, Jeff R, Cornwell, William K, Dalling, James W, Austin, Amy T, Classen, Aimée T, Eggleton, Paul, Okada, Kei-Ichi, Parr, Catherine L, Adair, E Carol, Adu-Bredu, Stephen, Alam, Md Azharul, Alvarez-Garzón, Carolina, Apgaua, Deborah, Aragón, Roxana, Ardon, Marcelo, Arndt, Stefan K, Ashton, Louise A, Barber, Nicholas A, Beauchêne, Jacques, Berg, Matty P, Beringer, Jason, Boer, Matthias M, Bonet, José Antonio, Bunney, Katherine, Burkhardt, Tynan J, Carvalho, Dulcinéia, Castillo-Figueroa, Dennis, Cernusak, Lucas A, Cheesman, Alexander W, Cirne-Silva, Tainá M, Cleverly, Jamie R, Cornelissen, Johannes H C, Curran, Timothy J, D'Angioli, André M, Dallstream, Caroline, Eisenhauer, Nico, Evouna Ondo, Fidele, Fajardo, Alex, Fernandez, Romina D, Ferrer, Astrid, Fontes, Marco A L, Galatowitsch, Mark L, González, Grizelle, Gottschall, Felix, Grace, Peter R, Granda, Elena, Griffiths, Hannah M, Guerra Lara, Mariana, Hasegawa, Motohiro, Hefting, Mariet M, Hinko-Najera, Nina, Hutley, Lindsay B, Jones, Jennifer, Kahl, Anja, Karan, Mirko, Keuskamp, Joost A, Lardner, Tim, Liddell, Michael, Macfarlane, Craig, Macinnis-Ng, Cate, Mariano, Ravi F, Méndez, M Soledad, Meyer, Wayne S, Mori, Akira S, Moura, Aloysio S, Northwood, Matthew, Ogaya, Romà, Oliveira, Rafael S, Orgiazzi, Alberto, Pardo, Juliana, Peguero, Guille, Penuelas, Josep, Perez, Luis I, Posada, Juan M, Prada, Cecilia M, Přívětivý, Tomáš, Prober, Suzanne M, Prunier, Jonathan, Quansah, Gabriel W, Resco de Dios, Víctor, Richter, Ronny, Robertson, Mark P, Rocha, Lucas F, Rúa, Megan A, Sarmiento, Carolina, Silberstein, Richard P, Silva, Mateus C, Siqueira, Flávia Freire, Stillwagon, Matthew Glenn, Stol, Jacqui, Taylor, Melanie K, Teste, François P, Tng, David Y P, Tucker, David, Türke, Manfred, Ulyshen, Michael D, Valverde-Barrantes, Oscar J, van den Berg, Eduardo, van Logtestijn, Richard S P, Veen, G F Ciska, Vogel, Jason G, Wardlaw, Timothy J, Wiehl, Georg, Wirth, Christian, Woods, Michaela J, Zalamea, Paul-Camilo, Ecology and Biodiversity, Sub Ecology and Biodiversity, Zanne, Amy E, Flores-Moreno, Habacuc, Powell, Jeff R, Cornwell, William K, Dalling, James W, Austin, Amy T, Classen, Aimée T, Eggleton, Paul, Okada, Kei-Ichi, Parr, Catherine L, Adair, E Carol, Adu-Bredu, Stephen, Alam, Md Azharul, Alvarez-Garzón, Carolina, Apgaua, Deborah, Aragón, Roxana, Ardon, Marcelo, Arndt, Stefan K, Ashton, Louise A, Barber, Nicholas A, Beauchêne, Jacques, Berg, Matty P, Beringer, Jason, Boer, Matthias M, Bonet, José Antonio, Bunney, Katherine, Burkhardt, Tynan J, Carvalho, Dulcinéia, Castillo-Figueroa, Dennis, Cernusak, Lucas A, Cheesman, Alexander W, Cirne-Silva, Tainá M, Cleverly, Jamie R, Cornelissen, Johannes H C, Curran, Timothy J, D'Angioli, André M, Dallstream, Caroline, Eisenhauer, Nico, Evouna Ondo, Fidele, Fajardo, Alex, Fernandez, Romina D, Ferrer, Astrid, Fontes, Marco A L, Galatowitsch, Mark L, González, Grizelle, Gottschall, Felix, Grace, Peter R, Granda, Elena, Griffiths, Hannah M, Guerra Lara, Mariana, Hasegawa, Motohiro, Hefting, Mariet M, Hinko-Najera, Nina, Hutley, Lindsay B, Jones, Jennifer, Kahl, Anja, Karan, Mirko, Keuskamp, Joost A, Lardner, Tim, Liddell, Michael, Macfarlane, Craig, Macinnis-Ng, Cate, Mariano, Ravi F, Méndez, M Soledad, Meyer, Wayne S, Mori, Akira S, Moura, Aloysio S, Northwood, Matthew, Ogaya, Romà, Oliveira, Rafael S, Orgiazzi, Alberto, Pardo, Juliana, Peguero, Guille, Penuelas, Josep, Perez, Luis I, Posada, Juan M, Prada, Cecilia M, Přívětivý, Tomáš, Prober, Suzanne M, Prunier, Jonathan, Quansah, Gabriel W, Resco de Dios, Víctor, Richter, Ronny, Robertson, Mark P, Rocha, Lucas F, Rúa, Megan A, Sarmiento, Carolina, Silberstein, Richard P, Silva, Mateus C, Siqueira, Flávia Freire, Stillwagon, Matthew Glenn, Stol, Jacqui, Taylor, Melanie K, Teste, François P, Tng, David Y P, Tucker, David, Türke, Manfred, Ulyshen, Michael D, Valverde-Barrantes, Oscar J, van den Berg, Eduardo, van Logtestijn, Richard S P, Veen, G F Ciska, Vogel, Jason G, Wardlaw, Timothy J, Wiehl, Georg, Wirth, Christian, Woods, Michaela J, and Zalamea, Paul-Camilo
- Published
- 2022
16. Termite sensitivity to temperature affects global wood decay rates
- Author
-
Zanne, Amy E., Flores-Moreno, Habacuc, Powell, Jeff R., Cornwell, William K., Dalling, James W., Austin, Amy T., Classen, Aimée T., Eggleton, Paul, Okada, Kei Ichi, Parr, Catherine L., Carol Adair, E., Adu-Bredu, Stephen, Alam, Md Azharul, Alvarez-Garzón, Carolina, Apgaua, Deborah, Aragón, Roxana, Ardon, Marcelo, Arndt, Stefan K., Ashton, Louise A., Barber, Nicholas A., Beauchêne, Jacques, Berg, Matty P., Beringer, Jason, Boer, Matthias M., Bonet, José Antonio, Bunney, Katherine, Burkhardt, Tynan J., Carvalho, Dulcinéia, Castillo-Figueroa, Dennis, Cernusak, Lucas A., Cheesman, Alexander W., Cirne-Silva, Tainá M., Cleverly, Jamie R., Cornelissen, Johannes H.C., Curran, Timothy J., D’Angioli, André M., Dallstream, Caroline, Eisenhauer, Nico, Ondo, Fidele Evouna, Fajardo, Alex, Fernandez, Romina D., Ferrer, Astrid, Fontes, Marco A.L., Galatowitsch, Mark L., González, Grizelle, Gottschall, Felix, Grace, Peter R., Granda, Elena, Griffiths, Hannah M., Lara, Mariana Guerra, Hasegawa, Motohiro, Hefting, Mariet M., Hinko-Najera, Nina, Hutley, Lindsay B., Jones, Jennifer, Kahl, Anja, Karan, Mirko, Keuskamp, Joost A., Lardner, Tim, Liddell, Michael, Macfarlane, Craig, Macinnis-Ng, Cate, Mariano, Ravi F., Soledad Méndez, M., Meyer, Wayne S., Mori, Akira S., Moura, Aloysio S., Northwood, Matthew, Ogaya, Romà, Oliveira, Rafael S., Orgiazzi, Alberto, Pardo, Juliana, Peguero, Guille, Penuelas, Josep, Perez, Luis I., Posada, Juan M., Prada, Cecilia M., Přívětivý, Tomáš, Prober, Suzanne M., Prunier, Jonathan, Quansah, Gabriel W., de Dios, Víctor Resco, Richter, Ronny, Robertson, Mark P., Rocha, Lucas F., Rúa, Megan A., Sarmiento, Carolina, Silberstein, Richard P., Silva, Mateus C., Siqueira, Flávia Freire, Stillwagon, Matthew Glenn, Stol, Jacqui, Taylor, Melanie K., Teste, François P., Tng, David Y.P., Tucker, David, Türke, Manfred, Ulyshen, Michael D., Valverde-Barrantes, Oscar J., van den Berg, Eduardo, van Logtestijn, Richard S.P., Ciska Veen, G. F., Vogel, Jason G., Wardlaw, Timothy J., Wiehl, Georg, Wirth, Christian, Woods, Michaela J., Zalamea, Paul Camilo, Zanne, Amy E., Flores-Moreno, Habacuc, Powell, Jeff R., Cornwell, William K., Dalling, James W., Austin, Amy T., Classen, Aimée T., Eggleton, Paul, Okada, Kei Ichi, Parr, Catherine L., Carol Adair, E., Adu-Bredu, Stephen, Alam, Md Azharul, Alvarez-Garzón, Carolina, Apgaua, Deborah, Aragón, Roxana, Ardon, Marcelo, Arndt, Stefan K., Ashton, Louise A., Barber, Nicholas A., Beauchêne, Jacques, Berg, Matty P., Beringer, Jason, Boer, Matthias M., Bonet, José Antonio, Bunney, Katherine, Burkhardt, Tynan J., Carvalho, Dulcinéia, Castillo-Figueroa, Dennis, Cernusak, Lucas A., Cheesman, Alexander W., Cirne-Silva, Tainá M., Cleverly, Jamie R., Cornelissen, Johannes H.C., Curran, Timothy J., D’Angioli, André M., Dallstream, Caroline, Eisenhauer, Nico, Ondo, Fidele Evouna, Fajardo, Alex, Fernandez, Romina D., Ferrer, Astrid, Fontes, Marco A.L., Galatowitsch, Mark L., González, Grizelle, Gottschall, Felix, Grace, Peter R., Granda, Elena, Griffiths, Hannah M., Lara, Mariana Guerra, Hasegawa, Motohiro, Hefting, Mariet M., Hinko-Najera, Nina, Hutley, Lindsay B., Jones, Jennifer, Kahl, Anja, Karan, Mirko, Keuskamp, Joost A., Lardner, Tim, Liddell, Michael, Macfarlane, Craig, Macinnis-Ng, Cate, Mariano, Ravi F., Soledad Méndez, M., Meyer, Wayne S., Mori, Akira S., Moura, Aloysio S., Northwood, Matthew, Ogaya, Romà, Oliveira, Rafael S., Orgiazzi, Alberto, Pardo, Juliana, Peguero, Guille, Penuelas, Josep, Perez, Luis I., Posada, Juan M., Prada, Cecilia M., Přívětivý, Tomáš, Prober, Suzanne M., Prunier, Jonathan, Quansah, Gabriel W., de Dios, Víctor Resco, Richter, Ronny, Robertson, Mark P., Rocha, Lucas F., Rúa, Megan A., Sarmiento, Carolina, Silberstein, Richard P., Silva, Mateus C., Siqueira, Flávia Freire, Stillwagon, Matthew Glenn, Stol, Jacqui, Taylor, Melanie K., Teste, François P., Tng, David Y.P., Tucker, David, Türke, Manfred, Ulyshen, Michael D., Valverde-Barrantes, Oscar J., van den Berg, Eduardo, van Logtestijn, Richard S.P., Ciska Veen, G. F., Vogel, Jason G., Wardlaw, Timothy J., Wiehl, Georg, Wirth, Christian, Woods, Michaela J., and Zalamea, Paul Camilo
- Abstract
Deadwood is a large global carbon store with its store size partially determined by biotic decay. Microbial wood decay rates are known to respond to changing temperature and precipitation. Termites are also important decomposers in the tropics but are less well studied. An understanding of their climate sensitivities is needed to estimate climate change effects on wood carbon pools. Using data from 133 sites spanning six continents, we found that termite wood discovery and consumption were highly sensitive to temperature (with decay increasing >6.8 times per 10°C increase in temperature)—even more so than microbes. Termite decay effects were greatest in tropical seasonal forests, tropical savannas, and subtropical deserts. With tropicalization (i.e., warming shifts to tropical climates), termite wood decay will likely increase as termites access more of Earth’s surface.
- Published
- 2022
- Full Text
- View/download PDF
17. Activity patterns of medium and large mammals in two savanna ecosystems in the Colombian Llanos
- Author
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Castillo-Figueroa, Dennis, Martínez-Medina, Daniela, Rodríguez-Posada, Miguel E., and Academia Colombiana de Ciencias Exactas, Físicas y Naturales
- Subjects
Mamíferos neotropicales ,Estrategias conductuales ,Orinoco basin ,cuenca del orinoco ,Camera traps ,Superposición de nicho ,Niche overlap ,Savanna regions ,Períodos de actividad ,Regiones de sabana ,Neotropical mammals ,Cámaras trampa ,Activity periods ,Behavioural strategies - Abstract
A pesar de que las sabanas neotropicales han sido sometidas a procesos continuos de transformación del paisaje (por ejemplo, la agricultura, la industria de petróleo, gas e hidrocarburos), muy poco se sabe sobre la ecología e historia natural de grupos biológicos importantes como los mamíferos terrestres, y la información asociada con los aspectos comportamentales de las especies de mamíferos que habitan estos ecosistemas es especialmente escasa. El objetivo del estudio fue describir los patrones de actividad de mamíferos medianos y grandes en dos ecosistemas de sabana de los Llanos colombianos. Se instalaron 60 cámaras trampa en los dos ecosistemas durante 35 días (2100 días-cámara). Se describieron los patrones de actividad de nueve especies predominantemente nocturnas. No se encontraron diferencias en las distribuciones circadianas de mamíferos entre ecosistemas. Cuniculus paca Linnaeus 1758 y Dasyprocta fuliginosa Wagler 1832 mostraron patrones de exclusión explicados probablemente por la competencia, en tanto que otras especies como Tamandua tetradactyla Linnaeus 1758 y Myrmecophaga tridactyla Linnaeus 1758 mostraron patrones de actividad similares. Se destaca la importancia de las sabanas para la conservación de estas especies y se discute la relevancia de los estudios sobre patrones de actividad para la ecología y conservación de mamíferos en las sabanas neotropicales. Neotropical savannas have undergone continuous processes of landscape transformation (e.g., agriculture, oil, gas, and hydrocarbon industry) and very little is known about the ecology and natural history of key biological groups such as terrestrial mammals while the information on behavioral aspects of mammalian species in these ecosystems is very scarce. Here, we aimed to describe the activity patterns of medium and large mammals in two savanna ecosystems in the Colombian Llanos. A set of 60 camera traps was installed in the two ecosystems for 35 days (2100 camera days). We described the activity patterns of nine predominantly nocturnal species. We found no difference in circadian distributions of mammals between ecosystems. Cuniculus paca Linnaeus 1758 and Dasyprocta fuliginosa Wagler 1832 showed patterns of exclusion probably due to competition whereas other species like Tamandua tetradactyla Linnaeus1758 and Myrmecophaga tridactyla Linnaeus 1758 displayed similar activity patterns. We highlight the importance of savannas for the conservation of these species and discuss the relevance of studies on activity patterns for mammal ecology and conservation in Neotropical savannas.
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- 2021
18. Confirmation of Homoeoneuria Eaton, Confirmation of Homoeoneuria Eaton, 1881 (Ephemeroptera: Oligoneuriidae) record in Colombia
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Garzón-Salamanca, Laura L., Castillo Figueroa, Dennis, Aristizábal-García, Hernán, and Academia Colombiana de Ciencias Exactas, Físicas y Naturales
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Taxonomía ,Distribución ,efímeras ,Aquatic insects ,Mayflies ,Insectos acuáticos ,Distribution ,Taxonomy - Abstract
Homoeoneuria Eaton, 1881 es un género de la familia Oligoneuriidae cuya distribución geográfica permanece poco documentada, especialmente en la región norte de Sudamérica. Aquí confirmamos el registro de Homoeoneuria en Colombia, extendiendo así su distribución en América del Sur más allá de los registros de Brasil, Perú y Argentina. La confirmación se realizó sobre tres ninfas del departamento del Cesar encontradas en sedimentos limo-arenosos en la transición entre las regiones andina y caribeña. Homoeoneuria Eaton, 1881 is a genus of the Oligoneuriidae family whose geographical distribution remains poorly documented, especially in the Northern region of South America. Here we confirm the record of Homoeoneuria inColombia, thus extending its distribution in South America beyond the records from Brazil, Peru, and Argentina. The confirmation was done on three nymphs from the department of Cesar found on sandy-silt sediments in the transition between the Andean and Caribbean regions.
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- 2021
19. Temperature sensitivity of termites determines global wood decay rates
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Zanne, Amy, primary, Flores-Moreno, Habacuc, additional, Powell, Jeff, additional, Cornwell, William, additional, Dalling, James, additional, Austin, Amy, additional, Classen, Aimee, additional, Eggleton, Paul, additional, Okada, Kei-ichi, additional, Parr, Catherine, additional, Adair, E., additional, Adu-Bredu, Stephen, additional, Alam, Md Azharul, additional, Alvarez-Garzón, Carolina, additional, Apgaua, Deborah, additional, Aragon, Roxana, additional, Ardón, Marcelo, additional, Arndt, Stefan, additional, Ashton, Louise, additional, Barber, Nicholas, additional, Beauchêne, Jacques, additional, Berg, Matty, additional, Beringer, Jason, additional, Boer, Matthias, additional, Bonet, José, additional, Bunney, Katherine, additional, Burkhardt, Tynan, additional, Carvalho, Dulcineia, additional, Castillo-Figueroa, Dennis, additional, Cernusak, Lucas, additional, Cheesman, Alexander, additional, Cirne-Silva, Taina, additional, Cleverly, Jamie, additional, Cornelissen, J. Hans C., additional, Curran, Timothy, additional, D'Angioli, André, additional, Dallstream, Caroline, additional, Eisenhauer, Nico, additional, Ondo, Fidèle Evouna, additional, Fajardo, Alex, additional, Fernandez, Romina, additional, Ferrer, Astrid, additional, Fontes, Marco, additional, Galatowitsch, Mark, additional, González, Grizelle, additional, Gottschall, Felix, additional, Grace, Peter, additional, Granda, Elena, additional, Griffiths, Hannah, additional, Lara, Mariana Guerra, additional, Hasegawa, Motohiro, additional, Hefting, Mariet, additional, Hinko-Najera, Nina, additional, Hutley, Lindsay, additional, Jones, Jennifer, additional, Kahl, Anja, additional, Karan, Mirko, additional, Keuskamp, Joost, additional, Lardner, Tim, additional, Liddell, Michael, additional, Macfarlane, Craig, additional, Macinnis-Ng, Cate, additional, Mariano, Ravi, additional, Meyer, Wayne, additional, Mori, Akira, additional, Moura, Aloysio, additional, Northwood, Matthew, additional, Ogaya, Romà, additional, Oliveira, Rafael, additional, Orgiazzi, Alberto, additional, Pardo, Juliana, additional, Peguero, Guille, additional, Penuelas, Josep, additional, Perez, Luis, additional, Posada, Juan, additional, Prada, Cecilia, additional, Přívětivý, Tomáš, additional, Prober, Suzanne, additional, Prunier, Jonathan, additional, Quansah, Gabriel, additional, de Dios, Víctor Resco, additional, Richter, Ronny, additional, Robertson, Mark, additional, Rocha, Lucas, additional, Rúa, Megan, additional, Sarmiento, Carolina, additional, Silberstein, Richard, additional, Silva, Mateus, additional, Siqueira, Flávia, additional, Stillwagon, Matthew, additional, Stol, Jacqui, additional, Taylor, Melanie, additional, Teste, Francois, additional, Tng, David, additional, Tucker, David, additional, Türke, Manfred, additional, Ulyshen, Michael, additional, Valverde-Barrantes, Oscar, additional, Berg, Eduardo van den, additional, Logtestijn, Richard van, additional, Veen, Ciska, additional, Vogel, Jason, additional, Wardlaw, Timothy, additional, Wiehl, Georg, additional, Wirth, Christian, additional, Woods, Michaela, additional, Zalamea, Paul-Camilo, additional, and Méndez, Marcela, additional
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- 2022
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20. First evidence of frugivory in Gardnerycteris crenulatum (Chiroptera: Phyllostomidae)
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CASTILLO-FIGUEROA, Dennis, primary, TARRÁ-JARAMILLO, Bryan A., additional, PEÑUELA-SALGADO, Mónica M., additional, GIRALDO-MARTÍNEZ, Carlos A., additional, and RODRÍGUEZ-LEÓN, Carlos H., additional
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- 2022
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21. Confirmation of Homoeoneuria Eaton, Confirmation of Homoeoneuria Eaton, 1881 (Ephemeroptera: Oligoneuriidae) record in Colombia
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Garzón-Salamanca, Laura L., primary, Castillo Figueroa, Dennis, additional, and Aristizábal-García, Hernán, additional
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- 2021
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22. Carbon cycle in tropical upland ecosystems: a global review
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Castillo-Figueroa, Dennis, primary
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- 2021
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23. Activity patterns of medium and large mammals in two savanna ecosystems in the Colombian Llanos
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Castillo-Figueroa, Dennis, primary, Martínez-Medina, Daniela, additional, and Rodríguez-Posada, Miguel E., additional
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- 2021
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24. Wood density is related to aboveground biomass and productivity along a successional gradient in a global hotspot of biodiversity in the tropical Andes
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Castillo-Figueroa, Dennis, Gonzalez, Andres, and Posada, Juan M.
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- 2021
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25. Ecological Morphology of Neotropical Bat Wing Structures
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Castillo-Figueroa, Dennis
- Subjects
Research Article - Abstract
Morphology has a direct influence on animal fitness. Studies addressing the identification of patterns and variations across several guilds are fundamental in ecomorphological research. Wings are the core of ecological morphology in bats; nevertheless, individual bones and structures that support the wing, including metacarpals, phalanges and the length of digits, have rarely been the subject of comprehensive research when studying wing morphology. Here, I analyzed morphological variations of wing structures across 11 bat guilds and how individual bone structures are correlated to diet, foraging mode and habitat use. I obtained wing measurements from 1512 voucher specimens of 97 species. All the specimens analyzed came from the Mammalian Collection at the Museo Javeriano de Historia Natural of Pontificia Universidad Javeriana (MPUJ-MAMM) (Bogotá, Colombia). Positive correlations between size and the length of the third and fifth digit were detected. Bat guilds that capture their preys using aerial strategy in uncluttered habitats had longer third digits but short fifth digits compared to guilds that rely on gleaning strategy and forage in highly cluttered space. Although terminal phalanges were shown to be important structures for guild classification, metacarpals were strongly related to aerial foragers from uncluttered habitats because of their potential role in flight performance and ecological adaptations. Results show that habitat use, as well as foraging mode, are reflected in wing structures. Different wing traits to those evaluated in this study should be considered to better understand the ecological interactions, foraging strategy, wing adaptations, and flight performance in Neotropical bats.
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- 2020
26. On the development of a trait-based approach for studying Neotropical bats
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Castillo-Figueroa, Dennis, primary and Pérez-Torres, Jairo, additional
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- 2021
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27. Historia verde: 10 años de conservación, restauración, educación ambiental e investigación en la Pontificia Universidad Javeriana (Bogotá, Colombia)
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Castillo-Figueroa, Dennis and Castillo-Figueroa, Dennis
- Abstract
La expansión acelerada de las ciudades ha propiciado el deterioro de la biodiversidad y los servicios ecosistémicos. Dado este contexto, es crucial establecer una infraestructura ecológica en las ciudades que, basada en el uso de especies de plantas nativas, soporte elementos naturales que mejoren la calidad de vida de las personas. En este sentido, la Pontificia Universidad Javeriana (PUJ) de Bogotá (Colombia) desde el año 2008, ha venido realizando esfuerzos orientados hacia la rehabilitación ecológica del campus, a través del proyecto Historia Verde. Este responde a objetivos en investigación, docencia y servicio, confirmando compromisos misionales de la PUJ y destacando aspectos de ornamentación, restauración ecológica y educación ambiental. El Jardín Botánico Javeriano establecido, cuenta con aproximadamente 2700 árboles de más de 150 especies, incluyendo algunas endémicas y otras en peligro de extinción. De manera complementaria, se han iniciado proyectos de techos productivos, sistemas de humedales artificiales y un apiario, así como la rehabilitación de espacios para la presencia de fauna silvestre. Futuros proyectos incluyen la generación de inventarios de otros grupos animales silvestres, el mejoramiento del sistema actual de registro de especies vegetales, y el fortalecimiento de vínculos con entidades ambientales y educativas a nivel nacional e internacional., The rapid expansion of cities has led to the deterioration of biodiversity and ecosystem services. Accordingly, the establishment of an ecological infrastructure is crucial in cities that, based on the use of native plant species, supports natural elements that improve people's wellbeing. In this sense, since 2008 the Pontificia Universidad Javeriana (PUJ) in Bogotá (Colombia) has been working in the ecological rehabilitation of the campus, through the project Historia Verde. This project is in line with the objectives of research, teaching and service, confirming the missionary commitments of the PUJ and highlighting aspects of ornamentation, ecological restoration and environmental education. The established Jardín Botánico Javeriano has more than 2700 trees belonging to 150 species, including some endemic and endangered species. In addition, the university has started new projects including green roofs, human-made wetlands, an apiary, as well as the rehabilitation of spaces for the presence of wildlife. Future projects will incorporate the generation of inventories of other wild animals, the improvement of the current recording system for plant species, and the strengthening of linkages with environmental and educational institutions at national and international level.
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- 2020
28. Dietary variation and reproductive status of Mormoops megalophylla (Chiroptera: Mormoopidae) in a cave of Northeastern Andes from Colombia
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Arango-Diago, Santiago, primary, Castillo-Figueroa, Dennis, additional, Albarracín-Caro, Juan, additional, and Pérez-Torres, Jairo, additional
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- 2020
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29. Why bats matters: A critical assessment of Bat-Mediated Ecological Processes in the Neotropics
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Castillo-Figueroa, Dennis, primary
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- 2020
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30. Historia verde: 10 años de conservación, restauración, educación ambiental e investigación en la Pontificia Universidad Javeriana (Bogotá, Colombia)
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Castillo-Figueroa, Dennis, primary
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- 2020
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31. Macroinvertebrados acuáticos como indicadores de calidad del agua en Colombia
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Castillo-Figueroa, Dennis, Garzón-Salamanca, Laura, and Albarracín, Juan
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Biotic indices ,Diversity indices ,Lotic ecosystems ,Water pollution ,Aquatic insects ,BMWP ,Lentic ecosystems - Abstract
Colombia es uno de los países con mayor riqueza hídrica del mundo. Sin embargo, diferentes presiones antropogénicas han generado un deterioro en la calidad de sus diversos ecosistemas acuáticos. Los macroinvertebrados han sido útiles en la evaluación de la calidad del agua durante los últimos 50 años. Recopilar la producción bibliográfica es importante para evaluar el progreso de la bioindicación, definir prioridades en el desarrollo de investigaciones futuras, e identificar vacíos de conocimiento sobre este tema en el país. Por esta razón, desarrollamos una revisión sistemática, seleccionando 109 referencias para analizar la producción científica relacionada con la evaluación de la calidad del agua en los ecosistemas acuáticos colombianos, con base en el uso de los macroinvertebrados acuáticos. Describimos características bibliográficas, geográficas, ecológicas y metodológicas de los estudios. El 77,5% de las publicaciones se desarrollaron en las últimas dos décadas. El 83% de los estudios fueron realizados en la región Andina. Los ecosistemas lóticos fueron ampliamente investigados (90%) a diferencia de los lenticos (10%). El principal uso del suelo de los estudios fue agropecuario (38%), seguido del uso doméstico (29,3%), industrial (12,9%), minero (7,1%), hidroeléctirco (6,4%), y de extracción maderera (6,4%). El índice BMWP y los índices de diversidad fueron los más utilizados para los análisis con el 39,3% y el 32,7%, respectivamente. Es necesaria más investigación en ecosistemas lénticos, puesto que están siendo severamente impactados pero muy pocos han sido evaluados. Más estudios se requieren en regiones que albergan una alta diversidad de ecosistemas acuáticos (e.g. Amazonia, Orinoquia). Es importante revisar los índices tradicionales de diversidad, en los cuales se deben evitar el uso de premisas equivocadas que relacionan los macroinvertebrados acuáticos y la calidad del agua. Se recomienda tener en cuenta el fundamento de los índices, una mayor resolución taxonómica, y aproximaciones al número efectivo de especies o géneros., Es el mismo resumen presentado en el congreso AQUATROP
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- 2019
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32. Confirmation of Homoeoneuria Eaton, 1881 (Ephemeroptera: Oligoneuriidae) record in Colombia.
- Author
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Garzón-Salamanca, Laura L., Castillo-Figueroa, Dennis, and Aristizábal-García, Hernán
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MAYFLIES ,AQUATIC insects ,SEDIMENTS - Abstract
Copyright of Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales is the property of Academia Colombiana de Ciencias Exactas, Fisicas y Naturales and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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- 2021
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33. Fluctuating asymmetry of three bat species in extensive livestock systems from Córdoba department, Colombia
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Castillo-Figueroa, Dennis
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Carollia perspicillata ,Morfología alar ,sexual dimorphism ,Wing morphology ,Artibeus planirostris ,Chiroptera ,dimorfismo sexual ,tropical dry-forest ,Artibeus lituratus ,bosque seco-tropical - Abstract
The aim of this study was to analyze the degree of fluctuating asymmetry in wing traits and digits of three common bat species (Artibeus lituratus, Artibeus planirostis and Carollia perspicillata) in extensive livestock systems from Córdoba department, Colombia. To do this, specimens from the Mammalian Collection at the Museo Javeriano de Historia Natural of Pontificia Universidad Javeriana (Bogotá, Colombia) were analyzed. All specimens belonged to fragments of tropical dry-forest immersed in extensive livestock systems of Córdoba department. To parse out fluctuating asymmetry, 11 wing traits were used. To assess the existence of asymmetry, nonparametric U test was applied. Finally, to evaluate the existence of significant differences among digits, nonparametric one-way analysis of variance were carried out. In total, 114 specimens were analyzed (A. planirostris=40, A. lituratus=33, C. perspicillata=41). The results showed no statistical differences (p> 0.05) in most of wing traits. Little variation in wing traits was due to its relevance on flight performance and the high tolerance to perturbation of these bat species. "Differential-mortality" hypothesis and "Big Mother" hypothesis are discussed. Results from this work suggest that livestock systems do not severely affect these species. Further studies should consider the type of management to know which one provides better conditions for bats. RESUMEN El objetivo de este estudio fue analizar el grado de asimetría fluctuante en los rasgos alares y en los dígitos de tres especies comunes de murciélagos (Artibeus lituratus, Artibeus planirostis y Carollia perspicillata) en sistemas ganaderos extensivos del departamento de Córdoba, Colombia. Para esto, se analizaron ejemplares de la Colección de Mamíferos del Museo Javeriano de Historia Natural de la Pontificia Universidad Javeriana (Bogotá, Colombia). La asimetría fluctuante se evaluó usando 11 rasgos alares. Para evaluar la existencia de asimetría, se usaron contrastes no paramétricos. Finalmente, se realizaron análisis no paramétricos de varianza con el fin de evaluar si existían diferencias entre los dígitos. En total, 114 ejemplares fueron analizados (A. planirostris= 40, A. lituratus=33, C. perspicillata= 41). Los resultados no mostraron diferencias estadísticas (p>0.05) para la mayoría de rasgos alares. La poca variación alar se debió a su importancia en el vuelo y a la alta tolerancia de estas especies a la perturbación. Las hipótesis de "Mortalidad diferencial" y "Gran madre" son discutidas. Los resultados de este trabajo sugieren que los sistemas ganaderos no afectan severamente a estas especies. Futuros estudios deberían considerar l tipo de manejo para conocer cuál proporciona mejores condiciones para los murciélagos.
- Published
- 2018
34. Defectos alares de murciélagos en Colombia: primeros registros y posibles implicaciones funcionales
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Castillo-Figueroa, Dennis and Perez-Torres, Jairo
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- 2018
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35. Patrones de actividad de mamíferos medianos y grandes en dos ecosistemas de sabana en los Llanos orientales, Colombia
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Martínez-Medina, Daniela, Castillo-Figueroa, Dennis, and Rodríguez-Posada, Miguel E.
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- 2018
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36. Diet of dominant frugivorous bat species in an oil palm landscape from Colombian Llanos: implications for forest conservation and recovery
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Cely-Gómez, María Alejandra, primary and Castillo-Figueroa, Dennis, additional
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- 2019
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37. Structural differences in mammal assemblages between savanna ecosystems of the Colombian Llanos
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Castillo-Figueroa, Dennis, primary, Martínez-Medina, Daniela, primary, Rodríguez-Posada, Miguel E., primary, and Bernal-Vergara, Sandra, primary
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- 2019
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38. Cases of induced alloparental care in Seba’s short-tailed fruit bat
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Castillo-Figueroa, Dennis, primary, Stukenholtz, Erin E., additional, Stevens, Richard D., additional, and Pérez-Torres, Jairo, additional
- Published
- 2018
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39. Respuestas funcionales de murciélagos asociados a fragmentos de bosque seco tropical en Córdoba (Colombia): implicaciones del tipo de manejo en sistemas de ganadería extensiva
- Author
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Castillo Figueroa, Dennis, Pérez Torres, Jairo, Castillo Figueroa, Dennis, and Pérez Torres, Jairo
- Abstract
Introducción: En el Caribe colombiano la expansión de sistemas convencionales (SC) de ganadería extensiva ha generado una pérdida masiva de bosque seco tropical (Bs-T). Pese a la implementación de sistemas silvopastoriles (SSP) en esta región, son escasos los estudios que evalúen la incidencia de este tipo de manejo sobre murciélagos. Objetivo: Analizar la variación de rasgos funcionales de grupos ecológicos de murciélagos entre fragmentos de Bs-T inmersos en SC y SSP, pertenecientes a cinco localidades del departamento de Córdoba (Colombia). Metodología: Se usaron ejemplares de colecciónpara identificar grupos ecológicos a partir de rasgos de historia de vida, y luego se compararon rasgosmorfométricos de cada grupo asociados con el tamaño (longitud del antebrazo) y vuelo (longitud del dígito tres y cinco) entre fragmentos de Bs-T inmersos en SC y SSP. Resultados: Se identificaron seis grupos ecológicos. Los rasgos asociados con el tamaño y vuelo fueron significativamente mayores en los SSP para dos de los grupos ecológicos identificados (p<0,05). La matriz en los SSP constituye partedel hábitat para murciélagos, lo cual puede ofrecer mejores condiciones para el desarrollo morfométrico de algunas especies claves en procesos de polinización y dispersión de semillas. Conclusión: Aunque las respuestas funcionales de murciélagos fueron idiosincráticas, el manejo silvopastoril parece ser más sostenible para estos mamíferos. Es importante tener en cuenta el tipo de manejo de sistemas productivos que favorezcan la biodiversidad, porque al dominar en las matrices de los paisajes, son determinantes para el mantenimiento de las especies en escenarios de transformación.
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- 2018
40. Asimetría fluctuante de tres especies de murciélagos en sistemas de ganadería extensiva del departamento de Córdoba, Colombia
- Author
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Castillo Figueroa, Dennis and Castillo Figueroa, Dennis
- Abstract
The aim of this study was to analyze the degree of fluctuating asymmetry in wing traits and digits of three bat species in extensive livestock systems of Córdoba Department, Colombia. For this, specimens from Mammalian Collection at the Museo Javeriano de Historia Natural of the Pontificia Universidad Javeriana (Bogotá, Colombia) were analyzed. All specimens belonged to fragments of tropical dry-forest immersed in extensive livestock systems of Córdoba department. To analyze fluctuating asymmetry 11 wing traits were used. To assess the existence of asymmetry, nonparametric U test was applied. To evaluate the existence of significant differences among different digits, Analysis of Variance were carried out. In total, 114 specimens were analyzed (Artibeus planirostris= 40, Artibeus lituratus=33, Carollia perspicillata= 41). The results showed no statistical difference (p> 0.05) in most of wing traits. Little variation in wing traits was due to its relevance on flight performance and the high tolerance to perturbation of these bat species. “Differential-mortality” hypothesis and “Big Mother” hypothesis are discussed. Results of this work suggest that livestock systems do not severely affect these species. Further studies should consider the type of management to know which provides better conditions for bats, El objetivo de este estudio fue analizar el grado de asimetría fluctuante en los rasgos alares y en los dígitos de estas especies de murciélagos en sistemas ganaderos extensivos del departamento de Córdoba, Colombia. Para esto, se analizaron ejemplares de la Colección de Mamíferos del Museo Javeriano de Historia Natural de la Pontificia Universidad Javeriana (Bogotá, Colombia). La asimetría fluctuante se evaluó usando 11 rasgos alares. Para evaluar la existencia de asimetría, se usaron contrastes no paramétricos. Finalmente, se realizaron análisis no paramétricos de varianza con el fin de evaluar si existían diferencias entre los dígitos. En total, 114 ejemplares fueron analizados (A. planirostris=40, A. lituratus=33, C. perspicillata= 41). Los resultados no mostraron diferencias estadísticas (p>0.05) para la mayoría de rasgos alares. La poca variación alar se debió a su importancia en el vuelo y a la alta tolerancia de estas especies a la perturbación. Las hipótesis de “Mortalidad diferencial” y “Gran madre” son discutidas. Los resultados de este trabajo sugieren que los sistemas ganaderos no afectan severamente a estas especies. Futuros estudios deberían considerar el tipo de manejo para conocer cuál proporciona mejores condiciones para los murciélagos.
- Published
- 2018
41. Bat Assemblage in an Oil Palm Plantation from the Colombian Llanos Foothills.
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Cely-Gómez, María Alejandra, Castillo-Figueroa, Dennis, and Pérez-Torres, Jairo
- Subjects
- *
OIL palm , *TREE farms , *PLANTATIONS , *SECONDARY forests , *FOREST biodiversity - Abstract
The surge of oil palm production in the Neotropics has become a major concern about the potential impacts on biodiversity. In the Colombian Orinoquia, which has shown a massive landscape transformation due to the growth of oil palm plantations, the effects of oil palm agriculture on bats in this region have not been studied up to date. To understand the impact of habitat conversion on bat diversity, we characterised bat assemblages in secondary forest and palm plantations in the Colombian Llanos foothills (Meta, Colombia). We captured 393 individuals (forest = 81, plantation = 312) of 18 species and 3 families. The forest cover presented three exclusive species while the plantation had five. Species diversity (q1) and evenness (J') were higher in the forest compared to the plantation. These differences derived from the increase in abundances of generalist species (Artibeus sp., Carollia spp.) in the plantation. Despite the habitat simplification caused by oil palm plantations, this monoculture provides a cover that is used by some bats, decreasing their risk of predation and allowing movement between patches of forest habitat as steppingstones. Maintaining forest cover in agricultural landscapes favours diversity by generating a "spillover effect" of the forest towards plantations, which in the case of some bats contributes to the reduction of species isolation and the maintenance of ecosystem services provided by them. It is important to improve management practices of oil palm plantations to minimise negative impacts on biodiversity, considering the expansion of this productive system and the scarcity of protected areas in this region. [ABSTRACT FROM AUTHOR]
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- 2021
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42. Beyond specimens: linking biological collections, functional ecology and biodiversity conservation
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Castillo-Figueroa, Dennis, primary
- Published
- 2018
- Full Text
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43. Aquatic macroinvertebrates as water quality bioindicators in Colombia: A systematic review
- Author
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Castillo-Figueroa, Dennis, primary, Garzón-Salamanca, Laura L., additional, and Albarracín-Caro, Juan F., additional
- Published
- 2018
- Full Text
- View/download PDF
44. Fluctuating asymmetry of three bat species in extensive livestock systems of Córdoba Department, Colombia
- Author
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Castillo-Figueroa, Dennis, primary
- Published
- 2018
- Full Text
- View/download PDF
45. Respuestas funcionales de murci��lagos asociados a sistemas de ganader��a extensiva en el departamento de C��rdoba (Colombia): implicaciones del tipo de manejo
- Author
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Castillo-Figueroa, Dennis
- Published
- 2016
- Full Text
- View/download PDF
46. Respuestas funcionales de murciélagos asociados a sistemas de ganadería extensiva en el departamento de córdoba (Colombia) : implicaciones del tipo de manejo
- Author
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Pérez-Torres, Jairo, Castillo Figueroa, Dennis, Pérez-Torres, Jairo, and Castillo Figueroa, Dennis
- Abstract
En el Caribe colombiano la expansión de sistemas convencionales (SC) de ganadería extensiva ha generado una pérdida masiva de Bosque seco tropical. A pesar de la implementación de sistemas silvopastoriles (SSP) para algunas zonas del Caribe colombiano son escasos los estudios que evalúen la incidencia de este tipo de manejo en murciélagos. Aún se desconoce la variación de los rasgos de respuesta de murciélagos en SSP. Usando ejemplares de colección, se analizó la variación de rasgos de respuesta relacionados al tamaño y al vuelo de grupos ecológicos de murciélagos asociados a fragmentos de Bs-T inmersos en los SC y los SSP en el departamento de Córdoba. Se identificaron los grupos y se ordenaron en 17 rasgos morfométricos. Se compararon rasgos relacionados al tamaño y al vuelo entre SC y SSP. Se identificaron 14 grupos, los cuales reflejan la alta diversidad ecológica de los murciélagos en términos tróficos, uso de perchas, estrategias de forrajeo, partición de recursos, entre otros. Algunos rasgos se relacionaron de manera distintiva con determinados grupos ecológicos, sin embargo la morfometría no mostró diferencias entre todos los grupos ecológicos analizados. En las comparaciones, hubo diferencias significativas en los rasgos asociados al tamaño, siendo mayores en los SSP en casi todos los grupos ecológicos, aunque las respuestas fueron idiosincráticas. Hubo diferencias en los rasgos relacionados al vuelo solo en algunos grupos ecológicos. Los resultados de esta investigación, sumados a otros, continúan aumentando la evidencia del beneficio que los SSP ofrecen a los murciélagos en el departamento de Córdoba.
47. Termite sensitivity to temperature affects global wood decay rates.
- Author
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Zanne AE, Flores-Moreno H, Powell JR, Cornwell WK, Dalling JW, Austin AT, Classen AT, Eggleton P, Okada KI, Parr CL, Adair EC, Adu-Bredu S, Alam MA, Alvarez-Garzón C, Apgaua D, Aragón R, Ardon M, Arndt SK, Ashton LA, Barber NA, Beauchêne J, Berg MP, Beringer J, Boer MM, Bonet JA, Bunney K, Burkhardt TJ, Carvalho D, Castillo-Figueroa D, Cernusak LA, Cheesman AW, Cirne-Silva TM, Cleverly JR, Cornelissen JHC, Curran TJ, D'Angioli AM, Dallstream C, Eisenhauer N, Evouna Ondo F, Fajardo A, Fernandez RD, Ferrer A, Fontes MAL, Galatowitsch ML, González G, Gottschall F, Grace PR, Granda E, Griffiths HM, Guerra Lara M, Hasegawa M, Hefting MM, Hinko-Najera N, Hutley LB, Jones J, Kahl A, Karan M, Keuskamp JA, Lardner T, Liddell M, Macfarlane C, Macinnis-Ng C, Mariano RF, Méndez MS, Meyer WS, Mori AS, Moura AS, Northwood M, Ogaya R, Oliveira RS, Orgiazzi A, Pardo J, Peguero G, Penuelas J, Perez LI, Posada JM, Prada CM, Přívětivý T, Prober SM, Prunier J, Quansah GW, Resco de Dios V, Richter R, Robertson MP, Rocha LF, Rúa MA, Sarmiento C, Silberstein RP, Silva MC, Siqueira FF, Stillwagon MG, Stol J, Taylor MK, Teste FP, Tng DYP, Tucker D, Türke M, Ulyshen MD, Valverde-Barrantes OJ, van den Berg E, van Logtestijn RSP, Veen GFC, Vogel JG, Wardlaw TJ, Wiehl G, Wirth C, Woods MJ, and Zalamea PC
- Subjects
- Animals, Carbon Cycle, Temperature, Tropical Climate, Forests, Global Warming, Isoptera, Wood microbiology
- Abstract
Deadwood is a large global carbon store with its store size partially determined by biotic decay. Microbial wood decay rates are known to respond to changing temperature and precipitation. Termites are also important decomposers in the tropics but are less well studied. An understanding of their climate sensitivities is needed to estimate climate change effects on wood carbon pools. Using data from 133 sites spanning six continents, we found that termite wood discovery and consumption were highly sensitive to temperature (with decay increasing >6.8 times per 10°C increase in temperature)-even more so than microbes. Termite decay effects were greatest in tropical seasonal forests, tropical savannas, and subtropical deserts. With tropicalization (i.e., warming shifts to tropical climates), termite wood decay will likely increase as termites access more of Earth's surface.
- Published
- 2022
- Full Text
- View/download PDF
48. Ecological Morphology of Neotropical Bat Wing Structures.
- Author
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Castillo-Figueroa D
- Abstract
Morphology has a direct influence on animal fitness. Studies addressing the identification of patterns and variations across several guilds are fundamental in ecomorphological research. Wings are the core of ecological morphology in bats; nevertheless, individual bones and structures that support the wing, including metacarpals, phalanges and the length of digits, have rarely been the subject of comprehensive research when studying wing morphology. Here, I analyzed morphological variations of wing structures across 11 bat guilds and how individual bone structures are correlated to diet, foraging mode and habitat use. I obtained wing measurements from 1512 voucher specimens of 97 species. All the specimens analyzed came from the Mammalian Collection at the Museo Javeriano de Historia Natural of Pontificia Universidad Javeriana (MPUJ-MAMM) (Bogotá, Colombia). Positive correlations between size and the length of the third and fifth digit were detected. Bat guilds that capture their preys using aerial strategy in uncluttered habitats had longer third digits but short fifth digits compared to guilds that rely on gleaning strategy and forage in highly cluttered space. Although terminal phalanges were shown to be important structures for guild classification, metacarpals were strongly related to aerial foragers from uncluttered habitats because of their potential role in flight performance and ecological adaptations. Results show that habitat use, as well as foraging mode, are reflected in wing structures. Different wing traits to those evaluated in this study should be considered to better understand the ecological interactions, foraging strategy, wing adaptations, and flight performance in Neotropical bats.
- Published
- 2020
- Full Text
- View/download PDF
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