Jonas Geldmann

Jonas Geldmann

Assistant Professor

Member of:


    1. 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 journalJournal articleResearchpeer-review

    2. 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 journalJournal articleResearchpeer-review

    3. 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 journalJournal articleResearchpeer-review

    4. 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 journalJournal articleResearchpeer-review

    5. Species Populations Outcomes in Protected Areas Supported by the Global Environment Fund

      Barnes, M., Woodley, S., Geldmann, Jonas, Craigie, I. D., Harrison, L. & Whitmee, S., 2015, Gland, Switzerland.

      Research output: Book/ReportReportResearchpeer-review

    6. Published

      Wildlife population trends in protected areas predicted by national socio-economic metrics and body size

      Barnes, M. D., Craigie, I. D., Harrison, L. B., Geldmann, Jonas, Collen, B., Whitmee, S., Balmford, A., Burgess, Neil David, Brooks, T., Hockings, M. & Woodley, S., Sep 2016, In: Nature Communications. 7, 9 p., 12747.

      Research output: Contribution to journalJournal articleResearchpeer-review

    7. 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 journalJournal articleResearchpeer-review

    8. 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 journalContribution to newspaper - Feature articleCommunication

    9. Published

      Shortfalls and solutions for meeting national and global conservation area targets

      Butchart, S. H. M., Clarke, M., Smith, R. J., Sykes, R. E., Scharlemann, J. P. W., Harfoot, M., Buchanan, G. M., Angulo, A., Balmford, A., Bertzky, B., Brooks, T. M., Carpenter, K. E., Comeros-Raynal, M. T., Cornell, J., Ficetola, G. F., Fishpool, L. D. C., Fuller, R. A., Geldmann, J., Harwell, H., Hilton-Taylor, C. & 20 others, Hoffmann, M., Joolia, A., Joppa, L., Kingston, N., May, I., Milam, A., Polidoro, B., Ralph, G., Richman, N., Rondinini, C., Segan, D. B., Skolnik, B., Spalding, M. D., Stuart, S. N., Symes, A., Taylor, J., Visconti, P., Watson, J. E. M., Wood, L. & Burgess, Neil David, 2015, In: Conservation Letters. 8, 5, p. 329-337 9 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    10. 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 journalComment/debateResearchpeer-review

    11. Published

      Progress towards the CBD Protected Area Management Effectiveness Targets

      Coad, L., Leverington, F., Burgess, Neil David, Cuadros, I. C., Geldmann, Jonas, Marthews, T. R., Mee, J., Nolte, C., Stoll-Kleemann, S., Vansteelant, N., Zamora, C., Zimsky, M. & Hockings, M., Mar 2013, In: Parks. 19, 1, p. 13-24 12 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    12. Published

      Measuring impact of protected area management interventions: current and future use of the Global Database of Protected Area Management Effectiveness

      Coad, L., Leverington, F., Knights, K., Geldmann, Jonas, Eassom, A., Kapos, V., Kingston, N., de Lima, M., Zamora, C., Cuardros, I., Nolte, C., Burgess, Neil David & Hockings, M., 2015, In: Royal Society of London. Philosophical Transactions B. Biological Sciences. 370, 1681, 20140281.

      Research output: Contribution to journalReviewResearchpeer-review

    13. The Management Effectiveness Tracking Tool Database: Creating a GEF Assessment module

      Coad, L., Knights, K., Zamora, C., Cuardros, I., Leverington, F., Geldmann, Jonas & Woodley, S., 2014, University of Oxford.

      Research output: Book/ReportReportResearchpeer-review

    14. 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 journalJournal articleResearchpeer-review

    15. Deforestation in protected areas supported by the global environment fund

      Craigie, I. D., Barnes, M., Geldmann, Jonas, Anand, A. & Woodley, S., 2015, Gland, Switzerland.

      Research output: Book/ReportReportResearch

    16. Published

      International funding agencies: potential leaders of impact evaluation in protected areas?

      Craigie, I. D., Barnes, M. D., Geldmann, Jonas & Woodley, S., 2015, In: Philosophical Transactions of the Royal Society B: Biological Sciences. 370, 6 p., 1681.

      Research output: Contribution to journalJournal articleResearchpeer-review

    17. 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 journalJournal articleResearchpeer-review

    18. 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 journalJournal articleResearchpeer-review

    19. 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 conferencePaperResearchpeer-review

    20. 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 journalJournal articleResearchpeer-review

    21. 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 journalJournal articleResearchpeer-review

    22. 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 journalJournal articleResearchpeer-review

    23. 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 journalJournal articleResearchpeer-review

    24. Published

      Effectiveness of terrestrial protected areas in reducing habitat loss and population declines

      Geldmann, Jonas, Barnes, M., Coad, L., Craigie, I. D., Hockings, M. & Burgess, Neil David, 2013, In: Biological Conservation. 161, p. 230-238 9 p.

      Research output: Contribution to journalReviewResearchpeer-review

    25. Published

      Naturens tilstand i Danmark: Vidensbaseret debatdag den 13. april 2010 Indledende oplæg og diskussion

      Geldmann, Jonas, Harder, Christoffer Bugge (ed.), Rahbek, Carsten (ed.), Harder, Peter (ed.) & Sand-Jensen, Kaj (ed.), 2010, Det Kongelige Danske Videnskabers Selskab. 42 p.

      Research output: Book/ReportReportCommissioned

    26. Published

      Velkomst

      Geldmann, Jonas, 2008, Wilhjelm+5 Naturreform?: Naturforvaltning , kommunalreformen og fremtiden. Frostholm, A. B., Geldmann, J., Gideon, A., Hammer, K. S. & Rahbek, S. (eds.). København: Museum Tusculanum, p. 9-13 4 p.

      Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

    27. Published

      Nyt verdenskort afslører trusler mod naturen

      Geldmann, Jonas, 2014, In: Aktuel Naturvidenskab. 2014, 4, p. 28-30 3 p.

      Research output: Contribution to journalJournal articleCommunication

    28. Published

      Effectiveness of terrestrial protected areas in reducing biodiversity and habitat loss

      Geldmann, Jonas, Barnes, M., Coad, L., Craigie, I., Hockings, M. & Burgess, Neil David, Feb 2013, Bangor, Wales: Collaboration for Environmental Evidence. 61 p.

      Research output: Book/ReportReportResearchpeer-review

    29. Published

      Borgerne med ud i felten: ny forskningsmetode

      Geldmann, Jonas, Tøttrup, Anders P., Hansen, N. S. & Rahbek, Carsten, 2014, In: Naturvejleder. 23, 2, p. 14-15 2 p.

      Research output: Contribution to journalJournal articleCommunication

    30. Published

      Vejret, klimaet og universiteternes top 200

      Geldmann, Jonas, 2008, In: Aktuel Naturvidenskab. 5, p. 40

      Research output: Contribution to journalJournal articleResearch

    31. 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 journalLetterResearchpeer-review

    32. 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 conferencePaperResearchpeer-review

    33. 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 journalJournal articleResearchpeer-review

    34. Published

      Evaluating the effectiveness of protected areas for maintaining biodiversity, securing habitats, and reducing threats

      Geldmann, Jonas, 2013, Department of Biology, Faculty of Science, University of Copenhagen. 178 p.

      Research output: Book/ReportPh.D. thesisResearch

    35. Published
    36. Published

      En rig natur i fremtidens samfund

      Geldmann, Jonas & Skouw-Rasmussen, M., 2008, In: Aktuel Naturvidenskab. 1, p. 34-35 2 p.

      Research output: Contribution to journalJournal articleResearch

    37. 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 journalJournal articleResearchpeer-review

    38. 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 journalJournal articleResearchpeer-review

    39. Published

      Evaluation of the use of the Management Effectiveness Tracking Tool (METT) in protected areas supported by the GEF

      Geldmann, Jonas, Barnes, M., Craigie, I. D., Coad, L. & Woodley, S., 2014, Gland, Switzerland.

      Research output: Book/ReportReportResearchpeer-review

    40. Published

      Changes in protected area management effectiveness over time: a global analysis

      Geldmann, Jonas, Coad, L., Barnes, M., Craigie, I. D., Hockings, M., Knights, K., Leverington, F., Cuadros, I. C., Zamora, C., Woodley, S. & Burgess, Neil David, 2015, In: Biological Conservation. 191, p. 692-699 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    41. 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 journalJournal articleResearchpeer-review

    42. Published

      Citizen science – forskning for alle

      Geldmann, Jonas, 2015, In: Kaskelot. 208, p. 14-18 5 p.

      Research output: Contribution to journalJournal articleCommunication

    43. 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 paperResearch

    44. 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 journalLetterResearchpeer-review

    45. Published

      Mapping change in human pressure globally on land and within protected areas

      Geldmann, Jonas, Joppa, L. N. & Burgess, Neil David, 2014, In: Conservation Biology. 28, 6, p. 1604–1616 13 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    46. 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 journalJournal articleResearchpeer-review

    47. 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 journalJournal articleResearchpeer-review

    48. ''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 journalLetterResearchpeer-review

    49. 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 journalComment/debateResearchpeer-review

    50. 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 journalJournal articleResearchpeer-review

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