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7 results on '"Contu, Sara"'

1. The database of the PREDICTS (Projecting Responses of Ecological Diversity In Changing Terrestrial Systems) project

Author

Hudson, Lawrence N, Newbold, Tim, Contu, Sara, Hill, Samantha L L, Lysenko, Igor, De Palma, Adriana, Phillips, Helena R P, Alhusseini, Tamera I, Bedford, Felicity E, Bennett, Dominic J, Booth, Hollie, Burton, Victoria J, Chng, Charlotte W T, Choimes, Argyrios, and Kirkpatrick, Lucinda

Subjects
global biodiversity modeling, data sharing, land use, global change, habitat destruction
Abstract

The PREDICTS project—Projecting Responses of Ecological Diversity In Changing Terrestrial Systems (www.predicts.org.uk)—has collated from published studies a large, reasonably representative database of comparable samples of biodiversity from multiple sites that differ in the nature or intensity of human impacts relating to land use. We have used this evidence base to develop global and regional statistical models of how local biodiversity responds to these measures. We describe and make freely available this 2016 release of the database, containing more than 3.2 million records sampled at over 26,000 locations and representing over 47,000 species. We outline how the database can help in answering a range of questions in ecology and conservation biology. To our knowledge, this is the largest and most geographically and taxonomically representative database of spatial comparisons of biodiversity that has been collated to date; it will be useful to researchers and international efforts wishing to model and understand the global status of biodiversity.

Published
2017

2. The database of the PREDICTS (Projecting Responses of Ecological Diversity In Changing Terrestrial Systems) project

Author

Hudson Lawrence N, Newbold Tim, Contu Sara, Hill Samantha LL, Lysenko Igor, De Palma Adriana, Phillips Helen RP, Alhusseini Tamera I, Bedford Felicity E, Bennet Dominic J, Booth Hollie, Burton Victoria J, Chng Charlotte WT, Choimes Argyrios, Correia David LP, Day Julie, Echeverría-Londoño Susy, Emerson Susan R, Gao Di, Garon Morgan et al., and School of Forest Sciences, activities

Subjects
global biodiversity modeling, data sharing, land use, global change, habitat destruction
Abstract

The PREDICTS project—Projecting Responses of Ecological Diversity In Changing Terrestrial Systems (www.predicts.org.uk)—has collated from published studies a large, reasonably representative database of comparable samples of biodiversity from multiple sites that differ in the nature or intensity of human impacts relating to land use. We have used this evidence base to develop global and regional statistical models of how local biodiversity responds to these measures. We describe and make freely available this 2016 release of the database, containing more than 3.2 million records sampled at over 26,000 locations and representing over 47,000 species. We outline how the database can help in answering a range of questions in ecology and conservation biology. To our knowledge, this is the largest and most geographically and taxonomically representative database of spatial comparisons of biodiversity that has been collated to date; it will be useful to researchers and international efforts wishing to model and understand the global status of biodiversity., published version, peerReviewed

Published
2017

3. The database of the PREDICTS (Projecting Responses of Ecological Diversity In Changing Terrestrial Systems) project.

Author

Hudson, Lawrence N., Newbold, Tim, Contu, Sara, Hill, Samantha L. L., Lysenko, Igor, De Palma, Adriana, Phillips, Helen R. P., Alhusseini, Tamera I., Bedford, Felicity E., Bennett, Dominic J., Booth, Hollie, Burton, Victoria J., Chng, Charlotte W. T., Choimes, Argyrios, Correia, David L. P., Day, Julie, Echeverría‐Londoño, Susy, Emerson, Susan R., Gao, Di, and Garon, Morgan

Subjects
HABITAT destruction, LAND use, GLOBAL environmental change, BIODIVERSITY, DATABASES
Abstract

The PREDICTS project-Projecting Responses of Ecological Diversity In Changing Terrestrial Systems ()-has collated from published studies a large, reasonably representative database of comparable samples of biodiversity from multiple sites that differ in the nature or intensity of human impacts relating to land use. We have used this evidence base to develop global and regional statistical models of how local biodiversity responds to these measures. We describe and make freely available this 2016 release of the database, containing more than 3.2 million records sampled at over 26,000 locations and representing over 47,000 species. We outline how the database can help in answering a range of questions in ecology and conservation biology. To our knowledge, this is the largest and most geographically and taxonomically representative database of spatial comparisons of biodiversity that has been collated to date; it will be useful to researchers and international efforts wishing to model and understand the global status of biodiversity. [ABSTRACT FROM AUTHOR]

Published
2017
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4. Global patterns of terrestrial assemblage turnover within and among land uses.

Author

Newbold, Tim, Hudson, Lawrence N., Hill, Samantha L. L., Contu, Sara, Gray, Claudia L., Scharlemann, Jörn P. W., Börger, Luca, Phillips, Helen R. P., Sheil, Douglas, Lysenko, Igor, and Purvis, Andy

Subjects
LAND use, BIODIVERSITY, CLIMATE change, HABITAT selection, VEGETATION dynamics
Abstract

Land use has large effects on the diversity of ecological assemblages. Differences among land uses in the diversity of local assemblages (alpha diversity) have been quantified at a global scale. Effects on the turnover of species composition between locations (beta diversity) are less clear, with previous studies focusing on particular regions or groups of species. Using a global database on the composition of ecological assemblages in different land uses, we test for differences in the between-site turnover of species composition, within and among land-use types. Overall, we show a strong impact of land use on assemblage composition. While we find that compositional turnover within land uses does not differ strongly among land uses, human land uses and secondary vegetation in an early stage of recovery are poor at retaining the species that characterise primary vegetation. The dissimilarity of assemblages in human-impacted habitats compared with primary vegetation was more pronounced in the tropical than temperate realm. An exploratory analysis suggests that this geographic difference might be caused primarily by differences in climate seasonality and in the numbers of species sampled. Taken together the results suggest that, while small-scale beta diversity within land uses is not strongly impacted by land-use type, compositional turnover between land uses is substantial. Therefore, land-use change will lead to profound changes in the structure of ecological assemblages. [ABSTRACT FROM AUTHOR]

Published
2016
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5. Modelling and projecting the response of local assemblage composition to land use change across Colombia.

Author

Echeverría‐Londoño, Susy, Newbold, Tim, Hudson, Lawrence N., Contu, Sara, Hill, Samantha L. L., Lysenko, Igor, Arbeláez‐Cortés, Enrique, Armbrecht, Inge, Boekhout, Teun, Cabra‐García, Jimmy, Dominguez‐Haydar, Yamileth, Nates‐Parra, Guiomar, Gutiérrez‐Lamus, Doris L., Higuera, Diego, Isaacs‐Cubides, Paola Johanna, López‐Quintero, Carlos A., Martinez, Eliana, Miranda‐Esquivel, Daniel Rafael, Navarro‐Iriarte, Luis Eduardo, and Noriega, Jorge Ari

Subjects
BIODIVERSITY, CLIMATE change, LAND use, ENVIRONMENTAL policy
Abstract

Aim: Understanding the impact of land use change within assemblages is fundamental to mitigation policies at local and regional scale. Here, we aim to quantify how site-level terrestrial assemblages are responding to land use change in Colombia a mega-diverse country and to project future biodiversity under different scenarios of land use change associated with climate change policies. Location: Colombia (northern South America). Methods: We collated original biodiversity data from 17 publications (285 sites) that examined how human impact affects terrestrial biodiversity in Colombia. From each site we estimated compositional intactness (i.e. compositional similarity to undisturbed sites). We fitted generalized linear mixed-effects models to estimate how these measures of local biodiversity vary across land use habitats. Using space-for-time substitution, we applied our estimates to hindcast biodiversity changes since 1500 and project future changes under climate change policies of the four representative concentration pathways (RCPs). Results: Assemblages in urban, cropland and pasture sites were compositionally very different from those in primary vegetation. We infer that average compositional intactness has been reduced by 18% across Colombia to date, with strong regional variation. The best RCP scenario for future biodiversity is GCAM-RCP4.5, a path that favours the expansion of secondary forests under a strong carbon market; while the worst is MESSAGE-RCP8.5, 'the business-as-usual' scenario. Main conclusions: Land use change has driven an increasing change in the composition of ecological assemblages in Colombia. By 2095, the implementation of carbon markets policy of climate change from GCAM-RCP4.5 could mitigate these changes in community composition. In contrast, the business-asusual scenario MESSAGE-RCP8.5 predicts a steep community change placing the quality of ecosystems at risk. [ABSTRACT FROM AUTHOR]

Published
2016
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6. The PREDICTS database: a global database of how local terrestrial biodiversity responds to human impacts.

Author

Hudson, Lawrence N., Newbold, Tim, Contu, Sara, Hill, Samantha L. L., Lysenko, Igor, De Palma, Adriana, Phillips, Helen R. P., Senior, Rebecca A., Bennett, Dominic J., Booth, Hollie, Choimes, Argyrios, Correia, David L. P., Day, Julie, Echeverría-Londoño, Susy, Garon, Morgan, Harrison, Michelle L. K., Ingram, Daniel J., Jung, Martin, Kemp, Victoria, and Kirkpatrick, Lucinda

Subjects
DATABASE design, DATABASE management, BIODIVERSITY, ENVIRONMENTAL education, ENVIRONMENTAL literacy
Abstract

Biodiversity continues to decline in the face of increasing anthropogenic pressures such as habitat destruction, exploitation, pollution and introduction of alien species. Existing global databases of species' threat status or population time series are dominated by charismatic species. The collation of datasets with broad taxonomic and biogeographic extents, and that support computation of a range of biodiversity indicators, is necessary to enable better understanding of historical declines and to project - and avert - future declines. We describe and assess a new database of more than 1.6 million samples from 78 countries representing over 28,000 species, collated from existing spatial comparisons of local-scale biodiversity exposed to different intensities and types of anthropogenic pressures, from terrestrial sites around the world. The database contains measurements taken in 208 (of 814) ecoregions, 13 (of 14) biomes, 25 (of 35) biodiversity hotspots and 16 (of 17) megadiverse countries. The database contains more than 1% of the total number of all species described, and more than 1% of the described species within many taxonomic groups - including flowering plants, gymnosperms, birds, mammals, reptiles, amphibians, beetles, lepidopterans and hymenopterans. The dataset, which is still being added to, is therefore already considerably larger and more representative than those used by previous quantitative models of biodiversity trends and responses. The database is being assembled as part of the PREDICTS project (Projecting Responses of Ecological Diversity In Changing Terrestrial Systems - ). We make site-level summary data available alongside this article. The full database will be publicly available in 2015. [ABSTRACT FROM AUTHOR]

Published
2014
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7. The PREDICTS database: a global database of how local terrestrial biodiversity responds to human impacts

Author

Hudson, Lawrence N., Newbold, Tim, Contu, Sara, Hill, Samantha L. L., Lysenko, Igor, De Palma, Adriana, Phillips, Helen R. P., Senior, Rebecca A., Bennett, Dominic J., Booth, Hollie, Choimes, Argyrios, Correia, David L. P., Day, Julie, Echeverria-Londono, Susy, Garon, Morgan, Harrison, Michelle L. K., Ingram, Daniel J., Jung, Martin, Kemp, Victoria, Kirkpatrick, Lucinda, Martin, Callum D., Pan, Yuan, White, Hannah J., Aben, Job, Abrahamczyk, Stefan, Adum, Gilbert B., Aguilar-Barquero, Virginia, Aizen, Marcelo, Ancrenaz, Marc, Arbelaez-Cortes, Enrique, Armbrecht, Inge, Azhar, Badrul, Azpiroz, Adrian B., Baeten, Lander, Báldi, András, Banks, John E., Barlow, Jos, Batáry, Péter, Bates, Adam J., Bayne, Erin M., Beja, Pedro, Berg, Ake, Berry, Nicholas J., Bicknell, Jake E., Bihn, Jochen H., Böhning-Gaese, Katrin, Boekhout, Teun, Boutin, Celine, Bouyer, Jeremy, Brearley, Francis Q., Brito, Isabel, Brunet, Jörg, Buczkowski, Grzegorz, Buscardo, Erika, Cabra-Garcia, Jimmy, Calvino-Cancela, Maria, Cameron, Sydney A., Cancello, Eliana M., Carrijo, Tiago F., Carvalho, Anelena L., Castro, Helena, Castro-Luna, Alejandro A., Cerda, Rolando, Cerezo, Alexis, Chauvat, Matthieu, Clarke, Frank M., Cleary, Daniel F. R., Connop, Stuart P., D'Aniello, Biagio, da Silva, Pedro Giovani, Darvill, Ben, Dauber, Jens, Dejean, Alain, Diekötter, Tim, Dominguez-Haydar, Yamileth, Dormann, Carsten F., Dumont, Bertrand, Dures, Simon G., Dynesius, Mats, Edenius, Lars, Elek, Zoltán, Entling, Martin H., Farwig, Nina, Fayle, Tom M., Felicioli, Antonio, Felton, Annika M., Ficetola, Gentile F., Filgueiras, Bruno K. C., Fonte, Steve J., Fraser, Lauchlan H., Fukuda, Daisuke, Furlani, Dario, Ganzhorn, Jörg U., Garden, Jenni G., Gheler-Costa, Carla, Giordani, Paolo, Giordano, Simonetta, Gottschalk, Marco S., Goulson, Dave, Gove, Aaron D., Grogan, James, Hanley, Mick E., Hanson, Thor, Hashim, Nor R., Hawes, Joseph E., Hébert, Christian, Helden, Alvin J., Henden, John-André, Hernández, Lionel, Herzog, Felix, Higuera-Diaz, Diego, Hilje, Branko, Horgan, Finbarr G., Horváth, Roland, Hylander, Kristoffer, Isaacs-Cubides, Paola, Ishitani, Mashiro, Jacobs, Carmen T., Jaramillo, Victor J., Jauker, Birgit, Jonsell, Matts, Jung, Thomas S., Kapoor, Vena, Kati, Vassiliki, Katovai, Eric, Kessler, Michael, Knop, Eva, Kolb, Annette, Körösi, Àdám, Lachat, Thibault, Lantschner, Victoria, Le Féon, Violette, LeBuhn, Gretchen, Légaré, Jean-Philippe, Letcher, Susan G., Littlewood, Nick A., López-Quintero, Carlos A., Louhaichi, Mounir, Lövei, Gabor L., Lucas-Borja, Manuel Esteban, Luja, Victor H., Maeto, Kaoru, Magura, Tibor, Mallari, Neil Aldrin, Marin-Spiotta, Erika, Marhall, E. J. P., Martínez, Eliana, Mayfield, Margaret M., Mikusinski, Gregorz, Milder, Jeffery C., Miller, James R., Morales, Carolina L., Muchane, Mary N., Muchane, Muchai, Naidoo, Robin, Nakamura, Akihiro, Naoe, Shoji, Nates-Parra, Guiomar, Navarerete Gutierrez, Dario A., Neuschulz, Eike L., Noreika, Norbertas, Norfolk, Olivia, Noriega, Jorge Ari, Nöske, Nicole M., O'Dea, Niall, Oduro, William, Ofori-Boateng, Caleb, Oke, Chris O., Osgathorpe, Lynne M., Paritsis, Juan, Parrah, Alejandro, Pelegrin, Nicolás, Peres, Carlos A., Persson, Anna S., Petanidou, Theodora, Phalan, Ben, Philips, T. Keith, Poveda, Katja, Power, Eileen F., Presley, Steven J., Proença, Vânia, Quaranta, Marino, Quintero, Carolina, Redpath-Downing, Nicola A., Reid, J. Leighton, Reis, Yana T., Ribeiro, Danilo B., Richardson, Barbara A., Richardson, Michael J., Robles, Carolina A., Römbke, Jörg, Romero-Duque, Luz Piedad, Rosselli, Loreta, Rossiter, Stephen J., Roulston, T'ai H., Rousseau, Laurent, Sadler, Jonathan P., Sáfián, Szbolcs, Saldaña-Vásquez, Romeo A., Samnegård, Ulrika, Schüepp, Christof, Schweiger, Oliver, Sedlock, Jodi L., Shahabuddin, Ghazala, Sheil, Douglas, Silva, Fernando A. B., Slade, Eleanor, Smith-Pardo, Allan H., Sodhi, Navjot S., Somarriba, Eduardo J., Sosa, Ramón A., Stout, Jane C., Struebig, Matthew J., Sung, Yik-Hei, Threlfall, Caragh G., Tonietto, Rebecca, Tóthmérész, Béla, Tscharntke, Teja, Turner, Edgar C., Tylianakis, Jason M., Vanbergen, Adam J., Vassilev, Kiril, Verboven, Hans A. F., Vergara, Carlos H., Vergara, Pablo M., Verhulst, Jort, Walker, Tony R., Wang, Yanping, Watling, James I., Wells, Konstans, Williams, Christopher D., Willig, Michael R., Woinarski, John C. Z., Wolf, Jan H. D., Woodcock, Ben A., Yu, Douglas W., Zailsev, Andreys, Collen, Ben, Ewers, Rob M., Mace, Georgina M., Purves, Drew W., Scharlemann, Jörn P. W., Pervis, Andy, Environmental Sciences, Biosciences, Spatial Foodweb Ecology Group, Lawrence N., Hudson, Tim, Newbold, Sara, Contu, Samantha L. L., Hill, Igor, Lysenko, Adriana De, Palma, Helen R. P., Phillip, Rebecca A., Senior, Dominic J., Bennett, Hollie, Booth, Argyrios, Choime, David L. P., Correia, Julie, Day, Susy Echeverrıa, London, Morgan, Garon, Michelle L. K., Harrison, Daniel J., Ingram, Martin, Jung, Victoria, Kemp, Lucinda, Kirkpatrick, Callum D., Martin, Yuan, Pan, Hannah J., White, Job, Aben, Stefan, Abrahamczyk, Gilbert B., Adum, Virginia Aguilar, Barquero, Marcelo A., Aizen, Marc, Ancrenaz, Enrique Arbelaez, Corte, Inge, Armbrecht, Badrul, Azhar, Adrian B., Azpiroz, Lander, Baeten, Andras, Baldi, John E., Bank, Jos, Barlow, Peter, Batary, Adam J., Bate, Erin M., Bayne, Pedro, Beja, Ake, Berg, Nicholas J., Berry, Jake E., Bicknell, Jochen H., Bihn, Katrin B€ohning, Gaese, Teun, Boekhout, Celine, Boutin, Jeremy, Bouyer, Francis Q., Brearley, Isabel, Brito, J€org, Brunet, Grzegorz, Buczkowski, Erika, Buscardo, Tiago F., Carrijo, Anelena L., Carvalho, Helena, Castro, Alejandro A., Castro Luna, Rolando, Cerda, Alexis, Cerezo, Matthieu, Chauvat, Frank M., Clarke, Daniel F. R., Cleary, Stuart P., Connop, D'Aniello, Biagio, Pedro Giovani da, Silva, Ben, Darvill, Jens, Dauber, Alain, Dejean, Tim, Diekotter, Yamileth Dominguez, Haydar, Carsten F., Dormann, Bertrand, Dumont, Simon G., Dure, Mats, Dynesiu, Lars, Edeniu, Zoltan, Elek, Martin H., Entling, Nina, Farwig, Tom M., Fayle, Antonio, Felicioli, Annika M., Felton, Gentile F., Ficetola, Bruno K. C., Filgueira, Steven J., Fonte, Lauchlan H., Fraser, Daisuke, Fukuda, Dario, Furlani, Jeorg U., Ganzhorn, Jenni G., Garden, Carla Gheler, Costa, Paolo, Giordani, Giordano, Simonetta, Marco S., Gottschalk, Dave, Goulson, Aaron D., Gove, James, Grogan, Mick E., Hanley, Thor, Hanson, Nor R., Hashim, Joseph E., Hawe, Christian, Hebert, Alvin J., Helden, John Andre, Henden, Lionel, Hernandez, Felix, Herzog, Diego Higuera, Diaz, Branko, Hilje, Finbarr G., Horgan, Roland, Horvath, Kristoffer, Hylander, Paola Isaacs, Cubide, Masahiro, Ishitani, Carmen T., Jacob, Vıctor J., Jaramillo, Birgit, Jauker, Mats, Jonsell, Thomas S., Jung, Vena, Kapoor, Vassiliki, Kati, Eric, Katovai, Michael, Kessler, Eva, Knop, Annette, Kolb, Adam, Koreosi, Thibault, Lachat, Victoria, Lantschner, Violette Le, Feon, Gretchen, Lebuhn, Jean Philippe, Legare, Susan G., Letcher, Nick A., Littlewood, Carlos A., Lopez Quintero, Mounir, Louhaichi, Gabor L., Leovei, Manuel Esteban Lucas, Borja, Victor H., Luja, Kaoru, Maeto, Tibor, Magura, Neil Aldrin, Mallari, Erika Marin, Spiotta, E. J. P., Marshall, Eliana, Martınez, Margaret M., Mayfield, Grzegorz, Mikusinski, Jeffrey C., Milder, James R., Miller, Carolina L., Morale, Mary N., Muchane, Muchai, Muchane, Robin, Naidoo, Akihiro, Nakamura, Shoji, Naoe, Guiomar Nates, Parra, Dario A., Navarrete Gutierrez, Eike L., Neuschulz, Norbertas, Noreika, Olivia, Norfolk, Jorge Ari, Noriega, Nicole M., Neoske, Niall, O’Dea, William, Oduro, Caleb Ofori, Boateng, Chris O., Oke, Lynne M., Osgathorpe, Juan, Paritsi, Alejandro Parra, H, Nicolas, Pelegrin, Carlos A., Pere, Anna S., Persson, Theodora, Petanidou, Ben, Phalan, T., Keith Philip, Katja, Poveda, Eileen F., Power, Steven J., Presley, Vania, Proenca, Marino, Quaranta, Carolina, Quintero, Nicola A., Redpath Downing, J., Leighton Reid, Yana T., Rei, Danilo B., Ribeiro, Barbara A., Richardson, Michael J., Richardson, Carolina A., Roble, Jeorg, Reombke, Luz Piedad Romero, Duque, Loreta, Rosselli, Stephen J., Rossiter, T’ai H., Roulston, Laurent, Rousseau, Jonathan P., Sadler, Szabolcs, Safian, Romeo A., Saldana Vazquez, Ulrika, Samnegard, Christof, Scheuepp, Oliver, Schweiger, Jodi L., Sedlock, Ghazala, Shahabuddin, Douglas, Sheil, Fernando A. B., Silva, Eleanor M., Slade, Allan H., Smith Pardo, Navjot S., Sodhi, Eduardo J., Somarriba, Ramon A., Sosa, Jane C., Stout, Matthew J., Struebig, Yik Hei, Sung, Caragh G., Threlfall, Rebecca, Tonietto, Bela, Tothmeresz, Teja, Tscharntke, Edgar C., Turner, Jason M., Tylianaki, Adam J., Vanbergen, Kiril, Vassilev, Hans A. F., Verboven, Carlos H., Vergara, Pablo M., Vergara, Jort, Verhulst, Tony R., Walker, Yanping, Wang, James I., Watling, Konstans, Well, Christopher D., William, Michael R., Willig, John C. Z., Woinarski, Jan H. D., Wolf, Ben A., Woodcock, Douglas W., Yu, Andrey S., Zaitsev, Ben, Collen, Rob M., Ewer, Georgina M., Mace, Drew W., Purve, Jeorn P. W., Scharlemann, Andy, Purvis, Pan, Yuan [0000-0003-2729-6377], Littlewood, Nick [0000-0002-6672-0639], Phalan, Benjamin [0000-0001-7876-7226], Turner, Edgar [0000-0003-2715-2234], and Apollo - University of Cambridge Repository

Subjects
BOMBUS SPP. HYMENOPTERA, VDP::Mathematics and natural science: 400::Zoology and botany: 480::Ecology: 488, Data sharing, Global change, Habitat destruction, Land use, Ecology, Evolution, Behavior and Systematics, Ecology, Nature and Landscape Conservation, Reptilia, Evolution, global change, habitat destruction, land use, education, INTENSIVELY MANAGED FARMLAND, Biológiai tudományok, NORTHEASTERN COSTA-RICA, BIRD SPECIES RICHNESS, Ecology and Environment, Magnoliophyta, MEXICAN COFFEE PLANTATIONS, Amphibia, VDP::Matematikk og Naturvitenskap: 400::Zoologiske og botaniske fag: 480::Økologi: 488, BUMBLEBEE NEST DENSITY, Behavior and Systematics, Természettudományok, ddc:570, Biology, DUNG BEETLE COLEOPTERA, 1172 Environmental sciences, SDG 15 - Life on Land, Original Research, QL, QH0075, QH, PLANT COMMUNITY COMPOSITION, Biology and Life Sciences, LAND-USE CHANGE, Hymenoptera, Coleoptera, Lepidoptera, Chemistry, URBAN-RURAL GRADIENT, Mammalia, Gymnospermae, Aves
Abstract

Biodiversity continues to decline in the face of increasing anthropogenic pressures such as habitat destruction, exploitation, pollution and introduction of alien species. Existing global databases of species' threat status or population time series are dominated by charismatic species. The collation of datasets with broad taxonomic and biogeographic extents, and that support computation of a range of biodiversity indicators, is necessary to enable better understanding of historical declines and to project - and avert - future declines. We describe and assess a new database of more than 1.6 million samples from 78 countries representing over 28,000 species, collated from existing spatial comparisons of local-scale biodiversity exposed to different intensities and types of anthropogenic pressures, from terrestrial sites around the world. The database contains measurements taken in 208 (of 814) ecoregions, 13 (of 14) biomes, 25 (of 35) biodiversity hotspots and 16 (of 17) megadiverse countries. The database contains more than 1% of the total number of all species described, and more than 1% of the described species within many taxonomic groups - including flowering plants, gymnosperms, birds, mammals, reptiles, amphibians, beetles, lepidopterans and hymenopterans. The dataset, which is still being added to, is therefore already considerably larger and more representative than those used by previous quantitative models of biodiversity trends and responses. The database is being assembled as part of the PREDICTS project (Projecting Responses of Ecological Diversity In Changing Terrestrial Systems - www.predicts.org.uk). We make site-level summary data available alongside this article. The full database will be publicly available in 2015. The collation of biodiversity datasets with broad taxonomic and biogeographic extents is necessary to understand historical declines and to project - and hopefully avert - future declines. We describe a newly collated database of more than 1.6 million biodiversity measurements from 78 countries representing over 28,000 species, collated from existing spatial comparisons of local-scale biodiversity exposed to different intensities and types of anthropogenic pressures, from terrestrial sites around the world. © 2014 The Authors. Ecology and Evolution published by John Wiley & Sons Ltd.

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