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2. Strong floristic distinctiveness across Neotropical successional forests

Author

Jakovac, C.C., Meave, J.A., Bongers, F., Letcher, S.G., Dupuy, J.M., Piotto, D., Rozendaal, D.M.A., Peña-Claros, M., Craven, D., Santos, B.A., Siminski, A., Fantini, A.C., Rodrigues, A.C., Hernández-Jaramillo, A., Idárraga, A., Junqueira, A.B., Zambrano, A.M.A., De Jong, B.H.J., Pinho, B.X., Finegan, B., Castellano-Castro, C., Zambiazi, D.C., Dent, D.H., García, D.H., Kennard, D., Delgado, D., Broadbent, E.N., Ortiz-Malavassi, E., Pérez-García, E.A., Lebrija-Trejos, E., Berenguer, E., Marín-Spiotta, E., Alvarez-Davila, E., De Sá Sampaio, E.V., Melo, F., Elias, F., França, F., Oberleitner, F., Mora, F., Williamson, G.B., Dalla Colletta, G., Cabral, G.A.L., Derroire, G., Fernandes, G.W., Van Der Wal, H., Teixeira, H.M., Vester, H.F.M., García, H., Vieira, I.C.G., Jiménez-Montoya, J., De Almeida-Cortez, J.S., Hall, J.S., Chave, J., Zimmerman, J.K., Nieto, J.E., Ferreira, J., Rodríguez-Velázquez, J., Ruíz, J., Barlow, J., Aguilar-Cano, J., Hernández-Stefanoni, J.L., Engel, J., Becknell, J.M., Zanini, K., Lohbeck, M., Tabarelli, M., Romero-Romero, M.A., Uriarte, M., Veloso, M.D.M., Espírito-Santo, M.M., Van Der Sande, M.T., Van Breugel, M., Martínez-Ramos, M., Schwartz, N.B., Norden, N., Pérez-Cárdenas, N., González-Valdivia, N., Petronelli, P., Balvanera, P., Massoca, P., Brancalion, P.H.S., Villa, P.M., Hietz, P., Ostertag, R., López-Camacho, R., César, R.G., Mesquita, R., Chazdon, R.L., Muñoz, R., DeWalt, S.J., Müller, S.C., Durán, S.M., Martins, S.V., Ochoa-Gaona, S., Rodríguez-Buritica, S., Aide, T.M., Bentos, T.V., Moreno, V.D.S., Granda, V., Thomas, W., Silver, W.L., Nunes, Y.R.F., Poorter, L., Jakovac, C.C., Meave, J.A., Bongers, F., Letcher, S.G., Dupuy, J.M., Piotto, D., Rozendaal, D.M.A., Peña-Claros, M., Craven, D., Santos, B.A., Siminski, A., Fantini, A.C., Rodrigues, A.C., Hernández-Jaramillo, A., Idárraga, A., Junqueira, A.B., Zambrano, A.M.A., De Jong, B.H.J., Pinho, B.X., Finegan, B., Castellano-Castro, C., Zambiazi, D.C., Dent, D.H., García, D.H., Kennard, D., Delgado, D., Broadbent, E.N., Ortiz-Malavassi, E., Pérez-García, E.A., Lebrija-Trejos, E., Berenguer, E., Marín-Spiotta, E., Alvarez-Davila, E., De Sá Sampaio, E.V., Melo, F., Elias, F., França, F., Oberleitner, F., Mora, F., Williamson, G.B., Dalla Colletta, G., Cabral, G.A.L., Derroire, G., Fernandes, G.W., Van Der Wal, H., Teixeira, H.M., Vester, H.F.M., García, H., Vieira, I.C.G., Jiménez-Montoya, J., De Almeida-Cortez, J.S., Hall, J.S., Chave, J., Zimmerman, J.K., Nieto, J.E., Ferreira, J., Rodríguez-Velázquez, J., Ruíz, J., Barlow, J., Aguilar-Cano, J., Hernández-Stefanoni, J.L., Engel, J., Becknell, J.M., Zanini, K., Lohbeck, M., Tabarelli, M., Romero-Romero, M.A., Uriarte, M., Veloso, M.D.M., Espírito-Santo, M.M., Van Der Sande, M.T., Van Breugel, M., Martínez-Ramos, M., Schwartz, N.B., Norden, N., Pérez-Cárdenas, N., González-Valdivia, N., Petronelli, P., Balvanera, P., Massoca, P., Brancalion, P.H.S., Villa, P.M., Hietz, P., Ostertag, R., López-Camacho, R., César, R.G., Mesquita, R., Chazdon, R.L., Muñoz, R., DeWalt, S.J., Müller, S.C., Durán, S.M., Martins, S.V., Ochoa-Gaona, S., Rodríguez-Buritica, S., Aide, T.M., Bentos, T.V., Moreno, V.D.S., Granda, V., Thomas, W., Silver, W.L., Nunes, Y.R.F., and Poorter, L.

Abstract

Forests that regrow naturally on abandoned fields are important for restoring biodiversity and ecosystem services, but can they also preserve the distinct regional tree floras? Using the floristic composition of 1215 early successional forests (≤20 years) in 75 human-modified landscapes across the Neotropic realm, we identified 14 distinct floristic groups, with a between-group dissimilarity of 0.97. Floristic groups were associated with location, bioregions, soil pH, temperature seasonality, and water availability. Hence, there is large continental-scale variation in the species composition of early successional forests, which is mainly associated with biogeographic and environmental factors but not with human disturbance indicators. This floristic distinctiveness is partially driven by regionally restricted species belonging to widespread genera. Early secondary forests contribute therefore to restoring and conserving the distinctiveness of bioregions across the Neotropical realm, and forest restoration initiatives should use local species to assure that these distinct floras are maintained.

Published
2022

3. Strong floristic distinctiveness across Neotropical successional forests

Author

Environmental Sciences, Jakovac, C.C., Meave, J.A., Bongers, F., Letcher, S.G., Dupuy, J.M., Piotto, D., Rozendaal, D.M.A., Peña-Claros, M., Craven, D., Santos, B.A., Siminski, A., Fantini, A.C., Rodrigues, A.C., Hernández-Jaramillo, A., Idárraga, A., Junqueira, A.B., Zambrano, A.M.A., De Jong, B.H.J., Pinho, B.X., Finegan, B., Castellano-Castro, C., Zambiazi, D.C., Dent, D.H., García, D.H., Kennard, D., Delgado, D., Broadbent, E.N., Ortiz-Malavassi, E., Pérez-García, E.A., Lebrija-Trejos, E., Berenguer, E., Marín-Spiotta, E., Alvarez-Davila, E., De Sá Sampaio, E.V., Melo, F., Elias, F., França, F., Oberleitner, F., Mora, F., Williamson, G.B., Dalla Colletta, G., Cabral, G.A.L., Derroire, G., Fernandes, G.W., Van Der Wal, H., Teixeira, H.M., Vester, H.F.M., García, H., Vieira, I.C.G., Jiménez-Montoya, J., De Almeida-Cortez, J.S., Hall, J.S., Chave, J., Zimmerman, J.K., Nieto, J.E., Ferreira, J., Rodríguez-Velázquez, J., Ruíz, J., Barlow, J., Aguilar-Cano, J., Hernández-Stefanoni, J.L., Engel, J., Becknell, J.M., Zanini, K., Lohbeck, M., Tabarelli, M., Romero-Romero, M.A., Uriarte, M., Veloso, M.D.M., Espírito-Santo, M.M., Van Der Sande, M.T., Van Breugel, M., Martínez-Ramos, M., Schwartz, N.B., Norden, N., Pérez-Cárdenas, N., González-Valdivia, N., Petronelli, P., Balvanera, P., Massoca, P., Brancalion, P.H.S., Villa, P.M., Hietz, P., Ostertag, R., López-Camacho, R., César, R.G., Mesquita, R., Chazdon, R.L., Muñoz, R., DeWalt, S.J., Müller, S.C., Durán, S.M., Martins, S.V., Ochoa-Gaona, S., Rodríguez-Buritica, S., Aide, T.M., Bentos, T.V., Moreno, V.D.S., Granda, V., Thomas, W., Silver, W.L., Nunes, Y.R.F., Poorter, L., Environmental Sciences, Jakovac, C.C., Meave, J.A., Bongers, F., Letcher, S.G., Dupuy, J.M., Piotto, D., Rozendaal, D.M.A., Peña-Claros, M., Craven, D., Santos, B.A., Siminski, A., Fantini, A.C., Rodrigues, A.C., Hernández-Jaramillo, A., Idárraga, A., Junqueira, A.B., Zambrano, A.M.A., De Jong, B.H.J., Pinho, B.X., Finegan, B., Castellano-Castro, C., Zambiazi, D.C., Dent, D.H., García, D.H., Kennard, D., Delgado, D., Broadbent, E.N., Ortiz-Malavassi, E., Pérez-García, E.A., Lebrija-Trejos, E., Berenguer, E., Marín-Spiotta, E., Alvarez-Davila, E., De Sá Sampaio, E.V., Melo, F., Elias, F., França, F., Oberleitner, F., Mora, F., Williamson, G.B., Dalla Colletta, G., Cabral, G.A.L., Derroire, G., Fernandes, G.W., Van Der Wal, H., Teixeira, H.M., Vester, H.F.M., García, H., Vieira, I.C.G., Jiménez-Montoya, J., De Almeida-Cortez, J.S., Hall, J.S., Chave, J., Zimmerman, J.K., Nieto, J.E., Ferreira, J., Rodríguez-Velázquez, J., Ruíz, J., Barlow, J., Aguilar-Cano, J., Hernández-Stefanoni, J.L., Engel, J., Becknell, J.M., Zanini, K., Lohbeck, M., Tabarelli, M., Romero-Romero, M.A., Uriarte, M., Veloso, M.D.M., Espírito-Santo, M.M., Van Der Sande, M.T., Van Breugel, M., Martínez-Ramos, M., Schwartz, N.B., Norden, N., Pérez-Cárdenas, N., González-Valdivia, N., Petronelli, P., Balvanera, P., Massoca, P., Brancalion, P.H.S., Villa, P.M., Hietz, P., Ostertag, R., López-Camacho, R., César, R.G., Mesquita, R., Chazdon, R.L., Muñoz, R., DeWalt, S.J., Müller, S.C., Durán, S.M., Martins, S.V., Ochoa-Gaona, S., Rodríguez-Buritica, S., Aide, T.M., Bentos, T.V., Moreno, V.D.S., Granda, V., Thomas, W., Silver, W.L., Nunes, Y.R.F., and Poorter, L.

Published
2022

4. Multidimensional tropical forest recovery

Author

Poorter, L., Craven, D., Jakovac, C.C., van der Sande, M.T., Amissah, L., Bongers, F., Chazdon, R.L., Farrior, C.E., Kambach, S., Meave, J.A., Muñoz, R., Norden, N., Rüger, N., van Breugel, M., Zambrano, A.M.A., Amani, B., Andrade, J.L., Brancalion, P.H.S., Broadbent, E.N., de Foresta, H., Dent, D.H., Derroire, G., DeWalt, S.J., Dupuy, J.M., Durán, S.M., Fantini, A.C., Finegan, B., Hernández-Jaramillo, A., Hernández-Stefanoni, J.L., Hietz, P., Junqueira, A.B., N’dja, J.K., Letcher, S.G., Lohbeck, M., López-Camacho, R., Martínez-Ramos, M., Melo, F.P.L., Mora, F., Müller, S.C., N’Guessan, A.E., Oberleitner, F., Ortiz-Malavassi, E., Pérez-García, E.A., Pinho, B.X., Piotto, D., Powers, J.S., Rodríguez-Buriticá, S., Rozendaal, D.M.A., Ruíz, J., Tabarelli, M., Teixeira, H.M., de Sá Barretto Sampaio, E.V., van der Wal, H., Villa, P.M., Fernandes, G.W., Santos, B.A., Aguilar-Cano, J., de Almeida-Cortez, J.S., Alvarez-Davila, E., Arreola-Villa, F., Balvanera, P., Becknell, J.M., Cabral, G.A.L., Castellanos-Castro, C., de Jong, B.H.J., Nieto, J.E., Espírito-Santo, M.M., Fandino, M.C., García, H., García-Villalobos, D., Hall, J.S., Idárraga, A., Jiménez-Montoya, J., Kennard, D., Marín-Spiotta, E., Mesquita, R., Nunes, Y.R.F., Ochoa-Gaona, S., Peña-Claros, M., Pérez-Cárdenas, N., Rodríguez-Velázquez, J., Villanueva, L.S., Schwartz, N.B., Steininger, M.K., Veloso, M.D.M., Vester, H.F.M., Vieira, I.C.G., Williamson, G.B., Zanini, K., Hérault, B., Environmental Sciences, Environmental Sciences, Wageningen University and Research [Wageningen] (WUR), Universidad Mayor [Santiago de Chile], Universidade Federal de Santa Catarina = Federal University of Santa Catarina [Florianópolis] (UFSC), CSIR- Forestry Research Institute of Ghana, Tree Improvement and seed Technology Division, UST, University of Connecticut (UCONN), University of Texas at Austin [Austin], German Centre for Integrative Biodiversity Research (iDiv), Universidad Nacional Autónoma de México (UNAM), Instituto Vasco de Investigación de Recursos Biológicos Alexander von Humboldt, Universität Leipzig [Leipzig], Smithsonian Tropical Research Institute, University of Florida [Gainesville] (UF), Université Jean Lorougnon Guédé (UJloG ), University of São Paulo (USP), Botanique et Modélisation de l'Architecture des Plantes et des Végétations (UMR AMAP), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD [France-Sud])-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Forêts et Sociétés (UPR Forêts et Sociétés), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad), Département Environnements et Sociétés (Cirad-ES), Institut national polytechnique Félix Houphouët-Boigny, and Institut National Polytechnique Félix Houphouët-Boigny

Subjects
0106 biological sciences, Reconstitution forestière, 010504 meteorology & atmospheric sciences, forêt tropicale, [SDV.BID.SPT]Life Sciences [q-bio]/Biodiversity/Systematics, Phylogenetics and taxonomy, 010603 evolutionary biology, 01 natural sciences, [SDV.EE.ECO]Life Sciences [q-bio]/Ecology, environment/Ecosystems, Tropical forest, K01 - Foresterie - Considérations générales, Life Science, Bosecologie en Bosbeheer, K70 - Dégâts causés aux forêts et leur protection, Deforestation, 0105 earth and related environmental sciences, Multidisciplinary, Resilience, Farm Systems Ecology Group, Réhabilitation des forêts, 15. Life on land, South America, [SDV.BV.BOT]Life Sciences [q-bio]/Vegetal Biology/Botanics, PE&RC, Forest Ecology and Forest Management, Plant Production Systems, 13. Climate action, Plantaardige Productiesystemen, Africa, P01 - Conservation de la nature et ressources foncières, Secondary forests, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, Crop and Weed Ecology, Restauration du paysage forestier, Zone tropicale
Abstract

International audience; Tropical forests disappear rapidly because of deforestation, yet they have the potential to regrow naturally on abandoned lands. We analyze how 12 forest attributes recover during secondary succession and how their recovery is interrelated using 77 sites across the tropics. Tropical forests are highly resilient to low-intensity land use; after 20 years, forest attributes attain 78% (33 to 100%) of their old-growth values. Recovery to 90% of old-growth values is fastest for soil (12 decades). Network analysis shows three independent clusters of attribute recovery, related to structure, species diversity, and species composition. Secondary forests should be embraced as a low-cost, natural solution for ecosystem restoration, climate change mitigation, and biodiversity conservation.

Published
2021

5. Multidimensional tropical forest recovery

Author

Environmental Sciences, Poorter, L., Craven, D., Jakovac, C.C., van der Sande, M.T., Amissah, L., Bongers, F., Chazdon, R.L., Farrior, C.E., Kambach, S., Meave, J.A., Muñoz, R., Norden, N., Rüger, N., van Breugel, M., Zambrano, A.M.A., Amani, B., Andrade, J.L., Brancalion, P.H.S., Broadbent, E.N., de Foresta, H., Dent, D.H., Derroire, G., DeWalt, S.J., Dupuy, J.M., Durán, S.M., Fantini, A.C., Finegan, B., Hernández-Jaramillo, A., Hernández-Stefanoni, J.L., Hietz, P., Junqueira, A.B., N’dja, J.K., Letcher, S.G., Lohbeck, M., López-Camacho, R., Martínez-Ramos, M., Melo, F.P.L., Mora, F., Müller, S.C., N’Guessan, A.E., Oberleitner, F., Ortiz-Malavassi, E., Pérez-García, E.A., Pinho, B.X., Piotto, D., Powers, J.S., Rodríguez-Buriticá, S., Rozendaal, D.M.A., Ruíz, J., Tabarelli, M., Teixeira, H.M., de Sá Barretto Sampaio, E.V., van der Wal, H., Villa, P.M., Fernandes, G.W., Santos, B.A., Aguilar-Cano, J., de Almeida-Cortez, J.S., Alvarez-Davila, E., Arreola-Villa, F., Balvanera, P., Becknell, J.M., Cabral, G.A.L., Castellanos-Castro, C., de Jong, B.H.J., Nieto, J.E., Espírito-Santo, M.M., Fandino, M.C., García, H., García-Villalobos, D., Hall, J.S., Idárraga, A., Jiménez-Montoya, J., Kennard, D., Marín-Spiotta, E., Mesquita, R., Nunes, Y.R.F., Ochoa-Gaona, S., Peña-Claros, M., Pérez-Cárdenas, N., Rodríguez-Velázquez, J., Villanueva, L.S., Schwartz, N.B., Steininger, M.K., Veloso, M.D.M., Vester, H.F.M., Vieira, I.C.G., Williamson, G.B., Zanini, K., Hérault, B., Environmental Sciences, Poorter, L., Craven, D., Jakovac, C.C., van der Sande, M.T., Amissah, L., Bongers, F., Chazdon, R.L., Farrior, C.E., Kambach, S., Meave, J.A., Muñoz, R., Norden, N., Rüger, N., van Breugel, M., Zambrano, A.M.A., Amani, B., Andrade, J.L., Brancalion, P.H.S., Broadbent, E.N., de Foresta, H., Dent, D.H., Derroire, G., DeWalt, S.J., Dupuy, J.M., Durán, S.M., Fantini, A.C., Finegan, B., Hernández-Jaramillo, A., Hernández-Stefanoni, J.L., Hietz, P., Junqueira, A.B., N’dja, J.K., Letcher, S.G., Lohbeck, M., López-Camacho, R., Martínez-Ramos, M., Melo, F.P.L., Mora, F., Müller, S.C., N’Guessan, A.E., Oberleitner, F., Ortiz-Malavassi, E., Pérez-García, E.A., Pinho, B.X., Piotto, D., Powers, J.S., Rodríguez-Buriticá, S., Rozendaal, D.M.A., Ruíz, J., Tabarelli, M., Teixeira, H.M., de Sá Barretto Sampaio, E.V., van der Wal, H., Villa, P.M., Fernandes, G.W., Santos, B.A., Aguilar-Cano, J., de Almeida-Cortez, J.S., Alvarez-Davila, E., Arreola-Villa, F., Balvanera, P., Becknell, J.M., Cabral, G.A.L., Castellanos-Castro, C., de Jong, B.H.J., Nieto, J.E., Espírito-Santo, M.M., Fandino, M.C., García, H., García-Villalobos, D., Hall, J.S., Idárraga, A., Jiménez-Montoya, J., Kennard, D., Marín-Spiotta, E., Mesquita, R., Nunes, Y.R.F., Ochoa-Gaona, S., Peña-Claros, M., Pérez-Cárdenas, N., Rodríguez-Velázquez, J., Villanueva, L.S., Schwartz, N.B., Steininger, M.K., Veloso, M.D.M., Vester, H.F.M., Vieira, I.C.G., Williamson, G.B., Zanini, K., and Hérault, B.

Published
2021

6. Wet and dry tropical forests show opposite successional pathways in wood density but converge over time

Author

Poorter, L., Rozendaal, D.M.A., Bongers, F., de Almeida-Cortez, J.S., Almeyda Zambrano, A.M., Álvarez, F.S., Andrade, J.L., Arreola Villa, L.F., Balvanera, P., Becknell, J.M., Bentos, T.V., Bhaskar, R., Boukili, V., Brancalion, P.H.S., Broadbent, E.N., César, R.G., Chave, J., Chazdon, R.L., Dalla Colletta, G., Craven, D., de Jong, B.H.J., Denslow, J.S., Dent, D.H., DeWalt, S.J., Díaz García, E., Dupuy, J.M., Durán, S.M., Espírito Santo, M.M., Fandiño, M.C., Fernandes, G.W., Finegan, B., Granda Moser, V., Hall, J.S., Hernández-Stefanoni, J.L., Jakovac, C.C., Junqueira, A.B., Kennard, D., Lebrija-Trejos, E., Letcher, S.G., Lohbeck, M., Lopez, O.R., Marín-Spiotta, E., Martínez-Ramos, M., Martins, S.V., Massoca, P.E.S., Meave, J.A., Mesquita, R., Mora, F., de Souza Moreno, V., Müller, S.C., Muñoz, R., Muscarella, R., de Oliveira Neto, S.N., Nunes, Y.R.F., Ochoa-Gaona, S., Paz, H., Peña-Claros, M., Piotto, D., Ruíz, J., Sanaphre-Villanueva, L., Sanchez-Azofeifa, A., Schwartz, N.B., Steininger, M.K., Thomas, W.W., Toledo, M., Uriarte, M., Utrera, L.P., van Breugel, M., van der Sande, Masha Tamara, van der Wal, H., Veloso, M.D.M., Vester, H.F.M., Vieira, I.C.G., Villa, P.M., Williamson, G.B., Wright, S.J., Zanini, K.J., Zimmerman, J.K., Westoby, M., Poorter, L., Rozendaal, D.M.A., Bongers, F., de Almeida-Cortez, J.S., Almeyda Zambrano, A.M., Álvarez, F.S., Andrade, J.L., Arreola Villa, L.F., Balvanera, P., Becknell, J.M., Bentos, T.V., Bhaskar, R., Boukili, V., Brancalion, P.H.S., Broadbent, E.N., César, R.G., Chave, J., Chazdon, R.L., Dalla Colletta, G., Craven, D., de Jong, B.H.J., Denslow, J.S., Dent, D.H., DeWalt, S.J., Díaz García, E., Dupuy, J.M., Durán, S.M., Espírito Santo, M.M., Fandiño, M.C., Fernandes, G.W., Finegan, B., Granda Moser, V., Hall, J.S., Hernández-Stefanoni, J.L., Jakovac, C.C., Junqueira, A.B., Kennard, D., Lebrija-Trejos, E., Letcher, S.G., Lohbeck, M., Lopez, O.R., Marín-Spiotta, E., Martínez-Ramos, M., Martins, S.V., Massoca, P.E.S., Meave, J.A., Mesquita, R., Mora, F., de Souza Moreno, V., Müller, S.C., Muñoz, R., Muscarella, R., de Oliveira Neto, S.N., Nunes, Y.R.F., Ochoa-Gaona, S., Paz, H., Peña-Claros, M., Piotto, D., Ruíz, J., Sanaphre-Villanueva, L., Sanchez-Azofeifa, A., Schwartz, N.B., Steininger, M.K., Thomas, W.W., Toledo, M., Uriarte, M., Utrera, L.P., van Breugel, M., van der Sande, Masha Tamara, van der Wal, H., Veloso, M.D.M., Vester, H.F.M., Vieira, I.C.G., Villa, P.M., Williamson, G.B., Wright, S.J., Zanini, K.J., Zimmerman, J.K., and Westoby, M.

Abstract

Tropical forests are converted at an alarming rate for agricultural use and pastureland, but also regrow naturally through secondary succession. For successful forest restoration, it is essential to understand the mechanisms of secondary succession. These mechanisms may vary across forest types, but analyses across broad spatial scales are lacking. Here, we analyse forest recovery using 1,403 plots that differ in age since agricultural abandonment from 50 sites across the Neotropics. We analyse changes in community composition using species-specific stem wood density (WD), which is a key trait for plant growth, survival and forest carbon storage. In wet forest, succession proceeds from low towards high community WD (acquisitive towards conservative trait values), in line with standard successional theory. However, in dry forest, succession proceeds from high towards low community WD (conservative towards acquisitive trait values), probably because high WD reflects drought tolerance in harsh early successional environments. Dry season intensity drives WD recovery by influencing the start and trajectory of succession, resulting in convergence of the community WD over time as vegetation cover builds up. These ecological insights can be used to improve species selection for reforestation. Reforestation species selected to establish a first protective canopy layer should, among other criteria, ideally have a similar WD to the early successional communities that dominate under the prevailing macroclimatic conditions.

Published
2019

7. Temporal vegetation changes in a seasonally dry tropical forest enclave in an ecotonal region between savanna and semiarid zones of Brazil.

Author

Reis, G.H. Geovany Heitor, Terra, M.C.N.S. Marcela de Castro Nunes Santos, Tng, D.Y.P. David Yue Phin, Apgaua, D.M.G. Deborah Mattos Guimaraes, Coelho, P.A. Polyanne Aparecida, Manoel dos Santos, R. Rubens, and Nunes, Y.R.F. Yule Roberta Ferreira

Abstract

Seasonally dry tropical forests (SDTFs) comprise a globally significant biome for biodiversity and conservation. Geographically, Brazilian SDTFs are primarily located within the country’s semiarid region (the Caatinga domain) in north-eastern Brazil. However, poorly studied and disjunct SDTF enclaves can occur within other regions, inside other Brazilian phytogeographical domains of vegetation such as savannas (i.e. the Cerrado domain) in central Brazil. These enclaves provide an opportunity to examine natural and non-anthropogenic edge effects on such vegetation. In 2007 and 2014, we studied a 120-ha SDTF enclave in the municipality of Januária in northern Minas Gerais, Brazil, to understand its (1) floristic composition and soil correlates, and (2) temporal variations in diversity, structure and dynamics. Three sets of 10 400-m2 plots were used to compare the vegetation at 0 m (edge), 100 m (middle) and 200 m (inner) into the forest. The edge plots were compositionally dissimilar from the interior plots because of soil fertility and soil textural gradients. Paradoxically also, the inner plots exhibited less stable vegetation-dynamic patterns than did both the middle and the edge plots, possibly owing to natural temporal fluctuations in vegetation dynamics. Overall, the SDTF enclave exhibited high diversity and structural complexity, likely because of its geographical setting within a matrix of savanna. These results highlight a conservation priority for further studies on such SDTF enclaves throughout their range. [ABSTRACT FROM AUTHOR]

Published
2017
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