Jonas Geldmann

Jonas Geldmann

Assistant Professor

Member of:

    ORCID: 0000-0002-1191-7610

    Publication year:
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    1 - 50 out of 76Page size: 50
    1. 2024
    2. Published

      A diverse portfolio of marine protected areas can better advance global conservation and equity

      Gill, D. A., Lester, S. E., Free, C. M., Pfaff, A., Iversen, E., Reich, B. J., Yang, S., Ahmadia, G., Andradi-Brown, D. A., Darling, E. S., Edgar, G. J., Fox, H. E., Geldmann, Jonas, Trung Le, D., Mascia, M. B., Mesa-Gutiérrez, R., Mumby, P. J., Veverka, L. & Warmuth, L. M., 2024, In: Proceedings of the National Academy of Sciences of the United States of America. 121, 10, e2313205121.

      Research output: Contribution to journal › Journal article › Research › peer-review

    3. Published

      Introducing Elinor for monitoring the governance and management of area-based conservation

      Mahajan, S. L., Obiene, S., Ojwang, L., Olwero, N., Valdivia, A., Wosu, A., Adrid, E., Andradi-Brown, D. A., Andriamalala, G., Ban, N. C., Bennett, N. J., Blythe, J., Cheng, S. H., Darling, E., De Nardo, M., Drury O'Neill, E., Epstein, G., Fidler, R. Y., Fisher, K., Geldmann, J. & 13 others, Gill, D. A., Kroner, R. G., Gurney, G., Jagadish, A., Jonas, H. D., Lazuardi, M. E., Petersen, S., Ranarivelo, V. V., Rasoloformanana, L., Rasolozaka, T. M., Read, D. J., Mwaiteleke, E. S. & Ahmadia, G., 2024, In: Conservation Biology. 38, 2, 18 p., e14213.

      Research output: Contribution to journal › Journal article › Research › peer-review

    4. Published

      The fear factor — Snakes in Africa might be at an alarming extinction risk

      Farooq, Harith Omar Morgadinho & Geldmann, Jonas, 2024, In: Conservation Letters. 17, 1, 8 p., e12998.

      Research output: Contribution to journal › Journal article › Research › peer-review

    5. 2023
    6. Published

      Entry fees enhance marine protected area management and outcomes

      Brown, C., Ahmadia, G. N., Andradi-Brown, D. A., Arafeh-Dalmau, N., Buelow, C. A., Campbell, M. D., Edgar, G. J., Geldmann, Jonas, Gill, D. & Stuart-Smith, R. D., 2023, In: Biological Conservation. 283, 8 p., 110105.

      Research output: Contribution to journal › Journal article › Research › peer-review

    7. Published

      Governance and conservation effectiveness in protected areas and indigenous and locally managed areas

      Zhang, Y., West, P., Thakholi, L., Suryawanshi, K., Supuma, M., Straub, D., Sithole, S. S., Sharma, R., Schleicher, J., Ruli, B., Rodríguez-rodríguez, D., Rasmussen, M. B., Ramenzoni, V. C., Qin, S., Pugley, D. D., Palfrey, R., Oldekop, J., Nuesiri, E. O., Nguyen, V. H. T., Ndam, N. & 32 others, Mungai, C., Milne, S., Mabele, M. B., Lucitante, S., Lucitante, H., Liljeblad, J., Kiwango, W. A., Kik, A., Jones, N., Johnson, M., Jarrett, C., James, R. S., Holmes, G., Gibson, L. N., Ghoddousi, A., Geldmann, Jonas, Gebara, M. F., Edwards, T., Dressler, W. H., Douglas, L. R., Dimitrakopoulos, P. G., Davidov, V., Compaoré-sawadogo, E. M. F. W., Collins, Y. A., Cepek, M., Burow, P. B., Brockington, D., Balinga, M. P. B., Austin, B. J., Astuti, R., Ampumuza, C. & Agyei, F. K., 2023, In: Annual Review of Environment and Resources. 48, p. 559-588

      Research output: Contribution to journal › Journal article › Research › peer-review

    8. Published

      How effective are protected areas for reducing threats to biodiversity? A systematic review protocol

      Pulido Chadid, Katherine, Virtanen, E. & Geldmann, Jonas, 2023, In: Environmental Evidence. 12, 10 p., 18.

      Research output: Contribution to journal › Review › Research › peer-review

    9. Published

      Prioritize wild species abundance indicators

      Geldmann, Jonas, Byaruhanga, A. B., Gregory, R. D., Visconti, P. & Xu, H., 2023, In: Science. 380, 6645, p. 591-592

      Research output: Contribution to journal › Letter › Research › peer-review

    10. Published

      Safeguarding biodiversity requires understanding how to manage protected areas cost effectively

      Geldmann, Jonas, 2023, In: One Earth. 6, 2, p. 73-76

      Research output: Contribution to journal › Journal article › Research › peer-review

    11. 2022
    12. Published

      A global indicator of utilized wildlife populations: Regional trends and the impact of management

      McRae, L., Freeman, R., Geldmann, Jonas, Moss, G. B., Kjær-Hansen, L. & Burgess, Neil David, 2022, In: One Earth. 5, 4, p. 422-433 12 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    13. Published

      Analysis of differences and commonalities in wildlife hunting across the Africa-Europe South-North gradient

      Bachmann, Mona Estrella, Kulik, L., Gatiso, T., Nielsen, Martin Reinhardt, Haase, D., Heurich, M., Buchadas, A., Bösch, L., Eirdosh, D., Freytag, A., Geldmann, Jonas, Ghoddousi, A., Hicks, T. C., Ordaz-Németh, I., Qin, S., Sop, T., Calkoen, S. V. B., Wesche, K. & Kühl, H. S., 2022, In: PLoS Biology. 20, 8, 26 p., e3001707.

      Research output: Contribution to journal › Journal article › Research › peer-review

    14. Published

      Conservation needs to integrate knowledge across scales

      Chaplin-Kramer, R., Brauman, K. A., Cavender-Bares, J., Díaz, S., Duarte, G. T., Enquist, B. J., Garibaldi, L. A., Geldmann, J., Halpern, B. S., Hertel, T. W., Khoury, C. K., Krieger, J. M., Lavorel, S., Mueller, T., Neugarten, R. A., Pinto-Ledezma, J., Polasky, S., Purvis, A., Reyes-García, V., Roehrdanz, P. R. & 7 others, Shannon, L. J., Shaw, M. R., Strassburg, B. B. N., Tylianakis, J. M., Verburg, P. H., Visconti, P. & Zafra-Calvo, N., 2022, In: Nature Ecology and Evolution. 6, 2, p. 118-119 2 p.

      Research output: Contribution to journal › Comment/debate › Research › peer-review

    15. Published

      Developing an outcomes-based approach to achieving Target 3 of the Global Biodiversity Framework

      Dudley, N., Robinson, J. G., Andelman, S., Bingham, H. C., Conzo, L. A., Geldmann, J., Grorud-Colvert, K., Gurney, G. G., Hickey, V., Hockings, M., Jonas, H. D., Kettunen, M., Marnewick, D., Masozera, M., Mitchell, L. B., Parrish, J., Redford, K., Espinoza, A. R., Russi, D., Salafsky, N. & 6 others, Springer, J., Sullivan-Stack, J., Tugendhat, H., Watson, J. E. M., Wilkie, D. S. & Woodley, S., 2022, In: Parks. 28, 2, p. 33-44 12 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    16. Published

      Elevated fires during COVID-19 lockdown and the vulnerability of protected areas

      Eklund, J., Jones, J. P. G., Räsänen, M., Geldmann, Jonas, Jokinen, A. P., Pellegrini, A., Rakotobe, D., Rakotonarivo, O. S., Toivonen, T. & Balmford, A., 2022, In: Nature Sustainability. 5, 7, p. 603-609

      Research output: Contribution to journal › Journal article › Research › peer-review

    17. Published

      Policy responses to the Ukraine crisis threaten European biodiversity

      Strange, Niels, Geldmann, Jonas, Burgess, Neil David & Bull, J. W., 2022, In: Nature Ecology & Evolution. 6, p. 1048–1049 2 p.

      Research output: Contribution to journal › Letter › Research › peer-review

    18. Published

      Protected areas have a mixed impact on waterbirds, but management helps

      Wauchope, H. S., Jones, J. P. G., Geldmann, Jonas, Simmons, B. I., Amano, T., Blanco, D. E., Fuller, R. A., Johnston, A., Langendoen, T., Mundkur, T., Nagy, S. & Sutherland, W. J., 2022, In: Nature. 605, p. 103-107

      Research output: Contribution to journal › Journal article › Research › peer-review

    19. Published

      Quantifying uncertainty about how interventions are assigned would improve impact evaluation in conservation: reply to Rasolofoson 2022

      Gordon Jones, J. P., Barnes, M., Eklund, J., Ferraro, P. J., Geldmann, Jonas, Oldekop, J. A. & Schleicher, J., 2022, In: Conservation Biology. 36, 6, 3 p., e14007.

      Research output: Contribution to journal › Comment/debate › Research › peer-review

    20. Published

      The role of different governance regimes in reducing native vegetation conversion and promoting regrowth in the Brazilian Amazon

      Alves-Pinto, H. N., Cordeiro, C. L. O., Geldmann, Jonas, Jonas, H. D., Gaiarsa, M. P., Balmford, A., Watson, J. E. M., Latawiec, A. E. & Strassburg, B., 2022, In: Biological Conservation. 267, 7 p., 109473.

      Research output: Contribution to journal › Journal article › Research › peer-review

    21. 2021
    22. Published

      Equitable and effective area‐based conservation: Towards the conserved areas paradigm

      Jonas, H. D., Ahmadia, G. N., Bingham, H. C., Briggs, J., Butchart, S. H. M., Cariño, J., Chassot, O., Chaudhary, S., Darling, E., DeGemmis, A., Dudley, N., Fa, J. E., Fitzsimons, J., Garnett, S., Geldmann, J., Golden Kroner, R., Gurney, G. G., Harrington, A. R., Himes‐Cornell, A., Hockings, M. & 20 others, Jonas, H. C., Jupiter, S., Kingston, N., Lee, E., Lieberman, S., Mangubhai, S., Marnewick, D., Matallana‐Tobón, C. L., Maxwell, S. L., Nelson, F., Parrish, J., Ranaivoson, R., Rao, M., Santamaría, M., Venter, O., Visconti, P., Waithaka, J., Painemilla, K. W., Watson, J. E. M. & von Weizsäcker, C., 2021, In: Parks. 27, 1, p. 71-84 14 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    23. Published

      Essential indicators for measuring site-based conservation effectiveness in the post-2020 global biodiversity framework

      Geldmann, Jonas, Deguignet, M., Balmford, A., Burgess, Neil David, Dudley, N., Hockings, M., Kingston, N., Klimmek, H., Lewis, A. H., Rahbek, Carsten, Stolton, S., Vincent, C., Wells, S., Woodley, S. & Watson, J. E. M., 2021, In: Conservation Letters. 14, 4, 9 p., e12792.

      Research output: Contribution to journal › Journal article › Research › peer-review

    24. Published

      Evaluating Impact Using Time-Series Data

      Wauchope, H. S., Amano, T., Geldmann, Jonas, Johnston, A., Simmons, B. I., Sutherland, W. J. & Jones, J. P. G., 2021, In: Trends in Ecology and Evolution. 36, 3, p. 196-205

      Research output: Contribution to journal › Journal article › Research › peer-review

    25. Management resourcing and government transparency are key drivers of biodiversity outcomes in Southeast Asian protected areas

      Graham, V., Geldmann, Jonas, Adams, V. M., Grech, A., Deinet, S. & Chang, H. C., 2021, In: Biological Conservation. 253, 7 p.

      Research output: Contribution to journal › Letter › Research › peer-review

    26. Published

      Motivations for compliance in Peruvian manta ray fisheries

      Guirkinger, L., Rojas-Perea, S., Ender, I., Ramsden, M., Lenton-Lyons, C. & Geldmann, Jonas, 2021, In: Marine Policy. 124, 7 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    27. Published

      Opportunities and challenges of other effective area-based conservation measures (OECMs) for biodiversity conservation

      Alves-Pinto, H., Geldmann, Jonas, Jonas, H., Maioli, V., Balmford, A., Latawiec, A. E., Crouzeilles, R. & Strassburg, B., 2021, In: Perspectives in Ecology and Conservation. 19, 2, p. 115-120 6 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    28. Published

      Southeast Asian protected areas are effective in conserving forest cover and forest carbon stocks compared to unprotected areas

      Graham, V., Geldmann, Jonas, Adams, V. M., Negret, P. J., Sinovas, P. & Chang, H., 2021, In: Scientific Reports. 11, 12 p., 23760.

      Research output: Contribution to journal › Journal article › Research › peer-review

    29. Published

      The Effectiveness of Protected Areas in Conserving Globally Threatened Western Tragopan Tragopan melanocephalus

      Awan, M. N., Geldmann, Jonas, Buner, F., Saqib, Z., Pervez, A., Mahmood, Q., Hashem, A., Al-Arjani, A. F., Alqarawi, A. A., Abd Allah, E. F. & Akbar, T. A., 2021, In: Animals. 11, 3, 13 p., 680.

      Research output: Contribution to journal › Journal article › Research › peer-review

    30. Published

      Using the IUCN Red List to map threats to terrestrial vertebrates at global scale

      Harfoot, M. B. J., Johnston, A., Balmford, A., Burgess, Neil David, Butchart, S. H. M., Dias, M. P., Hazin, C., Hilton-Taylor, C., Hoffmann, M., Isaac, N. J. B., Iversen, Lars Lønsmann, Outhwaite, C. L., Visconti, P. & Geldmann, Jonas, 2021, In: Nature Ecology and Evolution. 5, 11, p. 1510-1519

      Research output: Contribution to journal › Journal article › Research › peer-review

    31. 2020
    32. Published

      Protected areas to deliver biodiversity need management effectiveness and equity

      Zafra-Calvo, N. & Geldmann, Jonas, Jun 2020, In: Global Ecology and Conservation. 22, 7 p., e01026.

      Research output: Contribution to journal › Letter › Research › peer-review

    33. Published

      The impact of terrestrial protected areas on vegetation extent and condition: A systematic review protocol

      Sharma, R., Eklund, J., Barnes, M., Geldmann, Jonas, Schleicher, J., Pressey, R. L., Gutierrez, M., Jones, S. & Gordon, A., 29 Apr 2020, In: Environmental Evidence. 9, 8, p. 1-7

      Research output: Contribution to journal › Journal article › Research › peer-review

    34. Published

      A global indicator of utilised wildlife populations: regional trends and the impact of management

      McRae, L., Freeman, R., Geldmann, Jonas, Moss, G. B., Kjær-Hansen, L. & Burgess, Neil David, 2020, 30 p. (bioRxiv).

      Research output: Working paper › Preprint › Research

    35. Published

      Essential Indicators for Measuring Area-Based Conservation Effectiveness in the Post-2020 Global Biodiversity Framework

      Geldmann, Jonas, Deguignet, M., Balmford, A., Burgess, Neil David, Dudley, N., Hockings, M., Kingston, N., Klimmek, H., Lewis, A. H., Rahbek, Carsten, Stolton, S., Vincent, C., Wells, S., Woodley, S. & Watson, J. E. M., 2020, Preprints.org, 8 p.

      Research output: Working paper › Research

    36. Published

      Insights from two decades of the Student Conference on Conservation Science

      Geldmann, J., Alves-Pinto, H., Amano, T., Bartlett, H., Christie, A. P., Collas, L., Cooke, S. C., Correa, R., Cripps, I., Doherty, A., Finch, T., Garnett, E. E., Hua, F., Jones, J. P. G., Kasoar, T., MacFarlane, D., Martin, P. A., Mukherjee, N., Mumby, H. S., Payne, C. & 9 others, Petrovan, S. O., Rocha, R., Russell, K., Simmons, B. I., Wauchope, H. S., Worthington, T. A., Trevelyan, R., Green, R. & Balmford, A., 2020, In: Biological Conservation. 243, 8 p., 108478.

      Research output: Contribution to journal › Journal article › Research › peer-review

    37. Statistical matching for conservation science

      Schleicher, J., Eklund, J., D. Barnes, M., Geldmann, Jonas, Oldekop, J. A. & Jones, J. P. G., 2020, In: Conservation Biology. 34, 3, p. 538-549

      Research output: Contribution to journal › Journal article › Research › peer-review

    38. Published

      The extent and distribution of joint conservation-development funding in the tropics

      Reed, J., Oldekop, J., Barlow, J., Carmenta, R., Geldmann, Jonas, Ickowitz, A., Narulita, S., Rahman, S. A., van Vianen, J., Yanou, M. & Sunderland, T., 2020, In: One Earth. 3, 6, p. 753-762 10 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    39. 2019
    40. Published

      A global-level assessment of the effectiveness of protected areas at resisting anthropogenic pressures

      Geldmann, Jonas, Manica, A., Burgess, Neil David, Coad, L. & Balmford, A., 12 Nov 2019, In: Proceedings of the National Academy of Sciences of the United States of America. 116, 46, p. 23209-23215

      Research output: Contribution to journal › Journal article › Research › peer-review

    41. What constitutes a useful measure of protected area effectiveness? A case study of management inputs and protected area impacts in Madagascar

      Eklund, J., Coad, L., Geldmann, Jonas & Cabeza, M., Oct 2019, In: Conservation Science and Practice. 1, 10, 12 p., e107.

      Research output: Contribution to journal › Journal article › Research › peer-review

    42. Published

      Improving collaboration in the implementation of global biodiversity conventions

      von Bieberstein, K. R., Sattout, E., Christensen, M., Pisupati, B., Burgess, Neil David, Harrison, J. & Geldmann, Jonas, 2019, In: Conservation Biology. 33, 4, p. 821-831

      Research output: Contribution to journal › Journal article › Research › peer-review

    43. Published

      Thirty-six years of legal and illegal wildlife trade entering the USA

      Olsen, M. T. B., Geldmann, Jonas, Harfoot, M., Tittensor, D. P., Price, B., Sinovas, P., Nowak, K., Sanders, N. J. & Burgess, Neil David, 2019, In: Oryx. 55, 3, p. 432-441 10 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    44. Published

      Widespread shortfalls in protected area resourcing undermine efforts to conserve biodiversity

      Coad, L., Watson, J. E. M., Geldmann, Jonas, Burgess, Neil David, Leverington, F., Hockings, M., Knights, K. & Di Marco, M., 2019, In: Frontiers in Ecology and the Environment. 17, 5, p. 259-264

      Research output: Contribution to journal › Journal article › Research › peer-review

    45. 2018

    46. Protected area effectiveness and management indicators do not correlate: what are we doing wrong?

      Eklund, J., Coad, L., Geldmann, Jonas & Cabeza, M., 24 May 2018.

      Research output: Contribution to conference › Paper › Research › peer-review

    47. ''Bee conservation: Key role of managed bees'' and ''Bee conservation: Inclusive solutions

      González-Varo, J. P. & Geldmann, Jonas, 27 Apr 2018, In: Science. 360, 6387, p. 390

      Research output: Contribution to journal › Letter › Research › peer-review

    48. Published

      A global analysis of management capacity and ecological outcomes in terrestrial protected areas

      Geldmann, Jonas, Coad, L., Barnes, M. D., Craigie, I. D., Woodley, S., Balmford, A., Brooks, T. M., Hockings, M., Knights, K., Mascia, M. B., McRae, L. & Burgess, Neil David, 2018, In: Conservation Letters. 11, 3, 10 p., e12434.

      Research output: Contribution to journal › Letter › Research › peer-review

    49. Published

      An assessment of threats to terrestrial protected areas

      Schulze, K., Knights, K., Coad, L., Geldmann, Jonas, Leverington, F., Eassom, A., Marr, M., Butchart, S. H. M., Hockings, M. & Burgess, Neil David, 2018, In: Conservation Letters. 11, 3, e12435.

      Research output: Contribution to journal › Letter › Research › peer-review

    50. Conserving honey bees does not help wildlife

      Geldmann, Jonas & González-Varo, J. P., 2018, In: Science. 359, 6374, p. 392-393 2 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    51. Exceptional responders in conservation

      Post, G. & Geldmann, Jonas, 2018, In: Conservation Biology. 32, 3, p. 576-583 8 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    52. Freshwater megafauna diversity: patterns, status and threats

      He, F., Bremerich, V., Zarfl, C., Geldmann, Jonas, Langhans, S. D., David, J. N. W., Darwall, W., Tockner, K. & Jähnig, S. C., 2018, In: Diversity and Distributions. 24, 10, p. 1395-1404 10 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    53. The role of Management Effectiveness assessments in understanding the performance of protected areas

      Geldmann, Jonas, Coad, L., Burgess, Neil David & Balmford, A., 2018.

      Research output: Contribution to conference › Paper › Research › peer-review

    54. 2017
    55. Published

      Topforskere: Her er fakta i debatten om bier

      Bruun, Hans Henrik, Ejrnæs, R., Rahbek, Carsten, Svenning, J., Hansen, M. D. D., Strandberg, B. & Geldmann, Jonas, 17 Nov 2017, In: Altinget Miljø.

      Research output: Contribution to journal › Contribution to newspaper - Feature article › Communication

    56. Published

      A novel framework for analyzing conservation impacts: evaluation, theory, and marine protected areas

      Mascia, M. B., Fox, H. E., Glew, L., Ahmadia, G. N., Agrawal, A., Barnes, M., Basurto, X., Craigie, I., Darling, E., Geldmann, Jonas, Gill, D., Rice, S. H., Jensen, O. P., Lester, S. E., McConney, P., Mumby, P. J., Nenadovic, M., Parks, J. E., Pomeroy, R. S. & White, A. T., Jul 2017, In: Annals of the New York Academy of Sciences. 1399, 1, p. 93-115 23 p.

      Research output: Contribution to journal › Review › Research › peer-review

    57. Published

      Capacity shortfalls hinder the performance of marine protected areas globally

      Gill, D. A., Mascia, M. B., Ahmadia, G. N., Glew, L., Lester, S. E., Barnes, M., Craigie, I., Darling, E. S., Free, C. M., Geldmann, J., Holst, S., Jensen, O. P., White, A. T., Basurto, X., Coad, L., Gates, R. D., Guannel, G., Mumby, P. J., Thomas, H., Whitmee, S. & 2 others, Woodley, S. & Fox, H. E., 30 Mar 2017, In: Nature. 543, 7647, p. 665-669 5 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    58. 2016
    59. Published

      What determines spatial bias in citizen science? Exploring four recording schemes with different proficiency requirements

      Geldmann, Jonas, Heilmann-Clausen, Jacob, Holm, T. E., Levinsky, I., Markussen, Bo, Olsen, K., Rahbek, Carsten & Tøttrup, Anders P., Nov 2016, In: Diversity and Distributions. 22, 11, p. 1139-1149 11 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

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    ID: 9977600