Jonas Geldmann

Research output

Research output per year 2005 2008 2013 2014 2015 2021

• 19 Journal article
• 6 Report
• 3 Review
• 2 Letter
• 4 More
  • 1 Book
  • 1 Ph.D. thesis
  • 1 Book chapter
  • 1 Contribution to newspaper - Feature article

Research output per year

Research output per year

Search results

• 2021

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

  Bager Olsen, M. T., Geldmann, J., Harfoot, M., Tittensor, D. P., Price, B., Sinovas, P., Nowak, K., Sanders, N. J. & Burgess, N. D., May 2021, In: Oryx. 10 p., S0030605319000541.

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

  • CITES 100%
  • wildlife 94%
  • Convention on International Trade in Endangered Species 92%
  • seizure 83%
  • seizures 73%
  4 Citations (Scopus)
• 2019

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

  Geldmann, J., Manica, A., Burgess, N. D., 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 7 p.

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

  • Pressure 100%
  • Forests 61%
  59 Citations (Scopus)
• 2018

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

  Geldmann, J., 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, N. D., 1 May 2018, In: Conservation Letters. 11, 3, 10 p., e12434.

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

  • conservation areas 100%
  • protected area 93%
  • biodiversity 48%
  • population trend 36%
  • analysis 27%
  45 Citations (Scopus)

  75 Downloads (Pure)

• An assessment of threats to terrestrial protected areas

  Schulze, K., Knights, K., Coad, L., Geldmann, J., Leverington, F., Eassom, A., Marr, M., Butchart, S. H. M., Hockings, M. & Burgess, N. D., 1 May 2018, In: Conservation Letters. 11, 3, e12435.

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

  • conservation areas 100%
  • protected area 93%
  • recreational activity 33%
  • recreation 33%
  • biodiversity 28%
  77 Citations (Scopus)

  97 Downloads (Pure)
• 2017

  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, J., 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 › peer-review

  • Protected Areas 100%
  • Conservation 54%
  • Environmental Policy 52%
  • Sustainable Development 47%
  • Biodiversity 46%
  32 Citations (Scopus)

  77 Downloads (Pure)

• 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 othersWoodley, 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

  • Fishes 100%
  • Military Personnel 81%
  • Population 42%
  • Budgets 41%
  • Databases 21%
  348 Citations (Scopus)

• Topforskere: Her er fakta i debatten om bier

  Bruun, H. H., Ejrnæs, R., Rahbek, C., Svenning, J-C., Hansen, M. D. D., Strandberg, B. & Geldmann, J., 17 Nov 2017, In: Altinget Miljø.

  Research output: Contribution to journal › Contribution to newspaper - Feature article
• 2016

  Filling in biodiversity threat gaps

  Joppa, L. N., O'Connor, B., Visconti, P., Smith, C., Geldmann, J., Hoffmann, M., Watson, J. E. M., Butchart, S. H. M. ., Virah-Sawmy, M., Halpern, B. S., Ahmed, S. E., Balmford, A., Sutherland, W. J., Harfoot, M., Hilton-Taylor, C., Foden, W., Di Minin, E., Pagard, S., Genovesi, P., Hutton, J., & 1 othersBurgess, N. D., 2016, In: Science. 352, 6284, p. 416-418 3 p.

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

  108 Citations (Scopus)

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

  Geldmann, J., Heilmann-Clausen, J., Holm, T. E., Levinsky, I., Markussen, B., Olsen, K., Rahbek, C. & Tøttrup, A. P., 1 Nov 2016, In: Diversity and Distributions. 22, 11, p. 1139-1149 11 p.

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

  • citizen 100%
  • science 67%
  • sampling 58%
  • infrastructure 57%
  • land cover 34%
  60 Citations (Scopus)

• 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, J., Collen, B., Whitmee, S., Balmford, A., Burgess, N. D., Brooks, T., Hockings, M. & Woodley, S., 1 Sept 2016, In: Nature Communications. 7, 9 p., 12747.

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

  • wildlife 100%
  • Body Size 66%
  • economics 62%
  • Economics 44%
  • trends 43%
  66 Citations (Scopus)

  55 Downloads (Pure)
• 2015

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

  Geldmann, J., Coad, L., Barnes, M., Craigie, I. D., Hockings, M., Knights, K., Leverington, F., Cuadros, I. C., Zamora, C., Woodley, S. & Burgess, N. D., 1 Nov 2015, In: Biological Conservation. 191, p. 692-699 8 p.

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

  • conservation areas 100%
  • protected area 93%
  • analysis 27%
  • infant mortality 11%
  • funding 9%
  86 Citations (Scopus)

• Citizen science – forskning for alle

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

  Research output: Contribution to journal › Journal article › Communication

• Deforestation in protected areas supported by the global environment fund

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

  Research output: Book/Report › Report › Research

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

  Craigie, I. D., Barnes, M. D., Geldmann, J. & Woodley, S., 12 Oct 2015, In: Philosophical Transactions of the Royal Society B: Biological Sciences. 370, 6 p., 1681.

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

  • Biodiversity 100%
  • International Agencies 99%
  • funding 81%
  • conservation areas 69%
  • Financial Management 41%
  14 Citations (Scopus)

• 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, J., Eassom, A., Kapos, V., Kingston, N., de Lima, M., Zamora, C., Cuardros, I., Nolte, C., Burgess, N. D. & Hockings, M., 12 Oct 2015, In: Royal Society of London. Philosophical Transactions B. Biological Sciences. 370, 1681, 20140281.

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

  • Biodiversity 100%
  • conservation areas 69%
  • Databases 43%
  • Application 22%
  • biodiversity 11%
  89 Citations (Scopus)

  250 Downloads (Pure)

• 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 othersHoffmann, 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, N. D., Sept 2015, In: Conservation Letters. 8, 5, p. 329-337 9 p.

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

  • ecoregions 100%
  • ecoregion 93%
  • conservation areas 75%
  • protected area 70%
  • biodiversity 64%
  238 Citations (Scopus)

  239 Downloads (Pure)

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

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

  Research output: Book/Report › Report › Research › peer-review
• 2014

  Borgerne med ud i felten: ny forskningsmetode

  Geldmann, J., Tøttrup, A. P., Hansen, N. S. & Rahbek, C., 2014, In: Naturvejleder. 23, 2, p. 14-15 2 p.

  Research output: Contribution to journal › Journal article › Communication

• Commonalities and complementarities among approaches to conservation monitoring and evaluation

  Mascia, M. B., Pailler, S., Thieme, M. L., Rowe, A., Bottrill, M. C., Danielsen, F., Geldmann, J., Naidoo, R., Pullin, A. S. & Burgess, N. D., Jan 2014, In: Biological Conservation. 169, p. 258-267 10 p.

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

  • complementarity 100%
  • monitoring 53%
  • systematic review 43%
  • evaluation 39%
  • data analysis 31%
  84 Citations (Scopus)

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

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

  Research output: Book/Report › Report › Research › peer-review

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

  Geldmann, J., Joppa, L. N. & Burgess, N. D., 1 Dec 2014, In: Conservation Biology. 28, 6, p. 1604–1616 13 p.

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

  • conservation areas 100%
  • protected area 93%
  • land 58%
  • human development index 19%
  • human development 17%
  105 Citations (Scopus)

• Nyt verdenskort afslører trusler mod naturen

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

  Research output: Contribution to journal › Journal article › Communication

• Protected Planet Report 2014: tracking progress towards global targets for protected areas

  Juffe-Bignoli, D., Burgess, N. D., Belle, E. M. S., de Lima, M. G., Deguignet, M., Bertzky, B., Milam, A. N., Martinez-Lopez, J., Lewis, E., Eassom, A., Wicander, S., Geldmann, J., van Soesbergen, A., Arnell, A. P., Arnell, A. P., O’Connor, B., Park, S., Shi, Y. N., Danks, F. S., MacSharry, B., & 1 othersKingston, N., Nov 2014, UNEP World Conservation Monitoring Centre. 80 p.

  Research output: Book/Report › Book › Research › peer-review

  2641 Downloads (Pure)

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

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

  Research output: Book/Report › Report › Research › peer-review
• 2013

  Effectiveness of terrestrial protected areas in reducing biodiversity and habitat loss

  Geldmann, J., Barnes, M., Coad, L., Craigie, I., Hockings, M. & Burgess, N. D., Feb 2013, Bangor, Wales: Collaboration for Environmental Evidence. 61 p.

  Research output: Book/Report › Report › Research › peer-review

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

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

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

  • population decline 100%
  • habitat loss 97%
  • habitat destruction 94%
  • conservation areas 81%
  • protected area 76%
  398 Citations (Scopus)

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

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

  Research output: Book/Report › Ph.D. thesis

• Progress towards the CBD Protected Area Management Effectiveness Targets

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

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

  • convention 100%
  • conservation areas 90%
  • protected area 84%
  • planning system 6%
  • equity 5%
  39 Citations (Scopus)
• 2010

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

  Geldmann, J., Harder, C. B. (ed.), Rahbek, C. (ed.), Harder, P. (ed.) & Jensen, K. S. (ed.), 2010, Det Kongelige Danske Videnskabers Selskab. 42 p.

  Research output: Book/Report › Report › Commissioned
• 2008

  En rig natur i fremtidens samfund

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

  Research output: Contribution to journal › Journal article › Research

• Er forskningsfrihedspild af tid? Universiteterne er ved at miste deres sjæl i en kamp for at rationalisere og effektivisere,der tvinger forskerne til at skifte fokus fra spørgsmål til svar.

  Geldmann, J., 2008, In: Aktuel Naturvidenskab. 3, p. 34-35 2 p.

  Research output: Contribution to journal › Journal article › Research

• Vejret, klimaet og universiteternes top 200

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

  Research output: Contribution to journal › Journal article › Research

• Velkomst

  Geldmann, J., 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 proceeding › Book chapter › Research
• 2005

  Within- and between-stand distribution of attacks by pine weevil (Hylobius abietis (L.))

  Hansen, L. W., Ravn, H. P. & Geldmann, J., 2005, In: Scandinavian Journal of Forest Research. 20, 2, p. 122-129 8 p.

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

  5 Citations (Scopus)