Publications

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Bregnballe, T., Amstrup, O., Bak, M., Clausen, P., Pedersen, K. K. & Laursen, K. (2014). Udviklingen i forekomsten af vandfugle i Skjern Enge i efterårene 2002-2011. Aarhus University, DCE - Danish Centre for Environment and Energy. Videnskabelig rapport fra DCE - Nationalt Center for Miljø og Energi No. 130 http://dce2.au.dk/pub/SR130.pdf

Nielsen, R. D., Sterup, J., Bregnballe, T., Nyegaard, T., Amstrup, O., Clausen, P., Pedersen, C. L., Nielsen, H. H. & Heldbjerg, H. (2026). Udviklingen i forekomsten af Sølvhejre i Danmark. Dansk Ornitologisk Forenings Tidsskrift, 120(2), 49-61.

Lauridsen, T. L., Bruhn, D., Clausen, P., Andersen, L. H., Pertoldi, C., Jeppesen, E., Søndergaard, M., Levy, E., Fox, A. D., Balsby, T. J. S., Bahrndorff, S., He, H., Pedersen, C. L. & Nielsen, H. H. (2021). Udvikling af en forvaltningsstrategi, der tilgodeser hele økosystemet i De Østlige Vejler. Aarhus University, DCE - Danish Centre for Environment and Energy. Videnskabelig rapport fra DCE - Nationalt Center for Miljø og Energi

Holm, T. E., Therkildsen, O. R. & Laursen, K., (2014). Udvidelse af aktivitetstidspunkterne på skydeområde Rømø i 2015, No. 13685, 5 p., Sept 23, 2014. Notat fra DCE - Nationalt Center for Miljø og Energi (2011-2019)

Kanstrup, N. (2022). Udsætning - tivoli eller naturforvaltning? Jæger, 31(8), 18-19.

Elmeros, M., Søgaard, B. & Madsen, A. B., (2010). Udsætning af odder på Sjælland (Notat til Danmarks Naturfredningsforening), 15 p., May 05, 2010.

Kanstrup, N. & Christensen, T. K. (2023). Udsætning af fasan til jagtformål. Aarhus University, DCE - Danish Centre for Environment and Energy. Teknisk rapport fra DCE - Nationalt Center for Miljø og Energi Vol. 275 https://dce.au.dk/fileadmin/dce.au.dk/Udgivelser/Tekniske_rapporter_250-299/TR275.pdf

Pihl, S. & Søgaard, B., (2013). Udmøntning af fugleovervågningen i NOVANA-programmet for perioden 2011-2015, 9 p., Notat fra DCE - Nationalt Center for Miljø og Energi (2011-2019)

Sunde, P., (2020). Udkast til bestandsgenopretningsplan for kirkeugle, 9 p.

Elmeros, M., Brinkløv, S. M. M., Fjederholt, E. T., Fjederholt, S., Møller, J. D., Skalhøi, M. R., Uebel, A. S. & Baagøe, H. J. (2022). Udflyvningen af flagermus fra Mønsted og Daugbjerg kalkgruber i foråret 2022. Aarhus University, DCE - Danish Centre for Environment and Energy. Videnskabelig rapport fra DCE - Nationalt Center for Miljø og Energi No. 519 https://dce2.au.dk/pub/SR519.pdf

Clausen, K. K., (2014). Uddybning af notat fra DCE vedr. dødelighed hos ringdueunger som konsekvens af jagtlig regulering af forældrefugle, No. 912401, 7 p., Nov 25, 2014.

Heldbjerg, H., Eskildsen, D. P., Vikstrøm, T. & Ali, N. Y. (2020). Udbredelsen af danske ynglefugle for 100 år siden og i dag. Dansk Ornitologisk Forenings Tidsskrift, 114(4), 127-140. https://pub.dof.dk/artikler/1920/download/doft-114-2020-udbredelsen-af-danske-ynglefugle-for-100-aar-siden-og-i-dag

Fang, L., Zhang, J., Zhao, Q., Solovyeva, D., Vangeluwe, D., Rozenfeld, S., Lameris, T., Xu, Z., Bysykatova-Harmey, I., Batbayar, N., Konishi, K., Moon, O.-K., He, B., Koyama, K., Moriguchi, S., Shimada, T., Park, J., Kim, H., Liu, G. ... Fox, A. (2020). Two distinct flyways with different population trends of Bewick's Swan Cygnus columbianus bewickii in East Asia. Wildfowl, (Special Issue 6), 13-42. https://wildfowl.wwt.org.uk/index.php/wildfowl/article/view/2736

Christensen, T. K. (2020, Jan 17). Trist status på vingeundersøgelsen. Danmarks Jægerforbund.

Bregnballe, T., Kleefstra, R., Scheiffarth, G., Günther, K., Hälterlein, B., Ludwig, J., Koffijberg, K., Reichert, G., Umland, J., Frikke, J., Hornman, M., Körber, P., Hansen, M. B. & van Roomen, M. (2018). Trends of waterbird populations in the Wadden Sea in comparison with flyway trends. In M. van Roomen, S. Nagy, G. Citegetse & H. Schekkerman (Eds.), East Atlantic Flyway Assessment 2017: the status of coastal waterbird populations and sites (pp. 33-43) https://www.waddensea-worldheritage.org/resources/east-atlantic-flyway-assessment-2017

Kleefstra, R., Bregnballe, T., Frikke, J., Gnep, B., Günther, K., Hälterlein, B., Hansen, M. B., Hornman, M., Koffijberg, K., Meyer, J., Reichert, G., Scheiffarth, G. & Umland, J. (2022). Trends of waterbird populations in the Wadden Sea in comparison with flyway trends. In M. van Roomen, G. Citegetse, O. Crowe, T. Dodman, W. Hagemeijer, K. Meise & H. Schekkerman (Eds.), East Atlantic Flyway assessment 2020: The status of coastal waterbird populations and their sites (pp. 55-61). Wadden Sea Flyway Initiative p/a CWSS. https://www.waddensea-worldheritage.org/sites/default/files/2022_East%20Atlantic%20Flyway%20assessment%202020.pdf

Kleefstra, R., Behm, K., Bregnballe, T., Enners, L., Frikke, J., Günther, K., Hälterlein, B., Hansen, M. B., Hornman, M., Packmor, F., Meyer, J. & Scheiffarth, G. (2025). Trends of Migratory and Wintering Waterbirds in the Wadden Sea 1987/1988 - 2022/2023. Wilhelmshaven: Common Wadden Sea Secretariat (CWSS). https://doi.org/10.5281/zenodo.17199022

Kleefstra, R., Bregnballe, T., Frikke, J., Günther, K., Hälterlein, B., Hansen, M. B., Hornman, M., Ludwig, J., Meyer, J. & Scheiffarth, G. (2022). Trends of Migratory and Wintering Waterbirds in the Wadden Sea 1987/1988 - 2019/2020. Common Wadden Sea Secretariat (CWSS), Wilhelmhaven, Germany. Wadden Sea Ecosystem No. 41 https://www.waddensea-worldheritage.org/

Kleefstra, R., Hormann, M., Bregnballe, T., Frikke, J., Günther, K., Hälterlein, B., Körber, P. & Scheiffarth, G. (2019). Trends of Migratory and Wintering Waterbirds in the Wadden Sea 1987/1988 - 2016/2017. Common Wadden Sea Secretariat. Wadden Sea Ecosystem No. 39 https://www.sovon.nl/sites/default/files/doc/2019_ecosystem39_trends_of_waterbirds.pdf

Blew, J., Günther, K., Hälterlein, B., Kleefstra, R., Laursen, K. & Scheiffarth, G. (2016). Trends of Migratory and Wintering Waterbirds in the Wadden Sea 1987/1988-2013/2014. Wilhelmshaven: Common Wadden Sea Secretariat (CWSS).

Blew, J., Günther, K., Hälterlein, B., Kleefstra, R., Laursen, K. & Scheiffarth, G. (2015). Trends of Migratory and Wintering Waterbirds in the Wadden Sea 1987/1988-2011/2012. Common Wadden Sea Secretariat. Wadden Sea Ecosystem Vol. 34

Blew, J., Günther, K., Hälterlein, B., Kleefstra, R., Laursen, K. & Scheiffarth, G. (2013). Trends of Migratory and Wintering waterbirds in the Wadden Sea 1987/1988-2010/2011. Wadden Sea Ecosystem, (31), 1-53.

Koffijberg, K., Baumung, S., Bregnballe, T., Enners, L., Frikke, J., Gnep, B., Hansen, M. B., Müller, G. & Packmor, F. (2026). Trends of Breeding Birds in the Wadden Sea 1991-2023 and results of the total count in 2018. Zenodo. https://doi.org/10.5281/zenodo.18326676

Koffijberg, K., Laursen, K., Hälterlein, B., Reichert, G., Frikke, J. & Soldat, L. (2015). Trends of Breeding Birds in the Wadden Sea 1991-2013. In Wadden Sea Ecosystem (Vol. 35, pp. 1-50).

Koffijberg, K., Laursen, K., Hälterlein, B., Reichert, G. & Frikke, J. (2014). Trends of Breeding Birds in the Wadden Sea 1991-2011. Wilhelmshaven: Common Wadden Sea Secretariat (CWSS). Wadden Sea Ecosystem Vol. 35

Koffijberg, K., Laursen, K., Hälterlein, B., Reichert, G. & Frikke, J. (2013). Trends of Breeding Birds in the Wadden Sea 1991-2009. Common Wadden Sea Secretariat. Wadden Sea Ecosystem No. 32

Meltofte, H. & Clausen, P. (2016). Trends in staging waders on the Tipperne Reserve, western Denmark, 1929-2014. Dansk Ornitologisk Forenings Tidsskrift, 110(1), 1-72. http://pub.dof.dk/dof/DOFT/Trends_in_staging_waders.pdf

Koffijberg, K., Dijksen, L., Laursen, K. & Potel, P. (2011). Trends in numbers and distribution of breeding birds in the Wadden Sea. In H. Marencic, K. Eskildsen, H. Farke & S. Hedtkamp (Eds.), Science for Nature Conservation and Management: the Wadden Sea Ecosystem and EU Directives. Proceedings of the 12th International Scientific Wadden Sea Symposium in Wilhelmshaven, Germany, 30 March - 3 April 2009 (pp. 47-52). Wilhelmshaven: Common Wadden Sea Secretariat (CWSS). http://www.waddensea-secretariat.org/news/symposia/Symposium-2009/Proceedings/2-13-Koffijberg-et-al-breeding-birds.pdf

Mitchell, C., Colhoun, K., Fox, A. D., Griffin, L., Hall, C., Hearn, R. & Walsh, A. (2010). Trends in goose numbers wintering in Britain and Ireland. Ornis Svecica, 20(3-4), 128-143.

Kilpi, M., Lorentsen, S.-H., Petersen, I. K. & Einarsson, Á. (2015). Trends and drivers of change in diving ducks. TemaNord Vol. 2015 No. 516

Arnemo, J. M., Cromie, R., Fox, A. D., Kanstrup, N., Mateo, R., Pain, D. J. & Thomas, V. G. (2019). Transition to lead-free ammunition benefits all. Ambio, 48(9), 1097-1098. https://doi.org/10.1007/s13280-019-01221-x

Kanstrup, N. & Thomas, V. G. (2020). Transitioning to lead-free ammunition use in hunting: socio-economic and regulatory considerations for the European Union and other jurisdictions. Environmental Sciences Europe, 32(1), Article 91. https://doi.org/10.1186/s12302-020-00368-9

Asferg, T., Olesen, C. R., Kahlert, J. A., Odderskær, P. & Berthelsen, J. P. (2009). Trange tider for markernes småvildt. In N. Kanstrup, T. Asferg, M. Flinterup, B. J. Thorsen & T. S. Jensen (Eds.), Vildt & Landskab. Resultater af 6 års integreret forskning i Danmark 2003-2008 (pp. 10-15). Skov- og Naturstyrelsen. http://www.e-pages.dk/hobo/files/vildt_og_landskab_final_ipaper.pdf

Holm, T. E. & Balsby, T. J. S. (2026). Trane, overvågning af ynglefugle. Aarhus University, DCE - Danish Centre for Environment and Energy. DCE, Teknisk anvisning fra Fagdatacenter for Biodiversitet og Terrestrisk Natur No. A128, vers. 4. https://ecos.au.dk/fileadmin/ecos/Fagdatacentre/Biodiversitet/TAA128Trane_v4.pdf

Holm, T. E., (2010). Trane, Grus grus : Arter, krav til levesteder, beskyttelse og gunstige forvaltningstiltag (Notat til Skov- og Naturstyrelsen), No. 26-9740, 2 p., Jul 30, 2010.

Johnson, F. A., Eaton, M., Williams, J. H., Jensen, G. H. & Madsen, J. (2015). Training conservation practitioners to be better decision makers. Sustainability, 7(7), 8354-8373. https://doi.org/10.3390/su7078354

Heldbjerg, H. & Sørensen, I. H. (2014). Træk og overvintring for hedehøge (Circus pygargus) ynglende i Danmark. https://pub.dof.dk/rapporter/40/download/2014-traek-og-overvintring-for-hedehoeg-circus-pygargus-ynglende-i-danmark-arbejdsrapport-fra-projekt-fokuseret-fugleforvaltning

Meltofte, H., Schmidt, N. M., Høye, T. T. & Forchhammer, M. C. (2009). Trækfuglene. In M. C. Forchhammer, H. Meltofte & M. Rasch (Eds.), Naturen og klimaændringerne i Nordøstgrønland (pp. 81-91). Aarhus Universitetsforlag.

Laursen, K. & Frikke, J. (2013). Trækfugle i Nationalpark Vadehavet. JydskeVestkysten, 9.

Clausen, P., Petersen, I. K., Bregnballe, T. & Nielsen, R. D. (2019). Trækfuglebestande i de danske fuglebeskyttelsesområder, 2004 til 2017. Aarhus University, DCE - Danish Centre for Environment and Energy. Teknisk rapport fra DCE - Nationalt Center for Miljø og Energi No. 148 https://dce2.au.dk/pub/TR148.pdf

Wallis, D. & Elmeros, M. (2021). Tracking European bat species with passive acoustic directional monitoring. Bioacoustics - the International Journal of Animal Sound and its Recording, 30(4), 418-436. https://doi.org/10.1080/09524622.2020.1801506

Wijethunge, I., Zhao, Q., Liu, Y., Xie, Y., Cao, W., Zheng, B., Xu, Z., Cao, L. & Fox, A. D. (2024). Tracking data demonstrate plasticity in migration behaviour of the East Asian Pied Avocet Recurvirostra avosetta. Emu - Austral Ornithology, 124(3-4), 276-282. https://doi.org/10.1080/01584197.2024.2388519

Linssen, H., van Loon, E., Shamoun-Baranes, J. Z., Vergin, L., Leyrer, J. & Nolet, B. A. (2024). Tracking data as an alternative to resighting data for inferring population ranges. Journal of Biogeography, 51(12), 2356-2368. https://doi.org/10.1111/jbi.14996

Scott-Hayward, L., Petersen, I. K., MacKenzie, M., Pedersen, C. L., Isojunno, S., Thomsen, H. M., Nielsen, R. D., Sterup, J., Fox, A. D. & Neergaard, R. S. (2025). Tracking a quarter century of changes in common scoter and diver species' distribution and abundance in response to the successive development of the Horns Rev I-III offshore wind farms, Denmark. Abstract from 8th Conference on Wind energy and Wildlife impacts. Coexistence in a changing world, Montpellier, France.

Kanstrup, N., Fox, A. D. & Balsby, T. J. S. (2020). Toxic lead gunshot persists accessible to waterbirds after a 33-year ban on their use. Science of the Total Environment, 714, Article 136876. https://doi.org/10.1016/j.scitotenv.2020.136876

Madsen, J., Guillemain, M., Nagy, S., Defos du Rau, P., Mondain-Monval, J.-Y., Griffin, C., Williams, J. H., Bunnefeld, N., Czajkowski, A., Hearn, R., Grauer, A., Alhainen, M. & Middleton, A. (2015). Towards sustainable management of huntable migratory waterbirds in Europe: A report by the Waterbird Harvest Specialist Group of Wetlands International. Wetlands International. http://www.wetlands.org/Portals/0/SustainableWaterbirdHarvesting_2015_02_26%20final.pdf

Nagy, S., Langendoen, T., Frost, T., Jensen, G. H., Markones, N., Mooij, J., Paquet, J.-Y. & Suet, M. (2022). Towards improved population size estimates for wintering waterbirds. Ornithologischer Beobachter, 119(4), 348-361. https://www.ala-schweiz.ch/index.php/ornithologischer-beobachter/alle-ausgaben

Hemraj, D. A., Hansen, J. L. S., Petersen, I. K., Nabe-Nielsen, J. & Jakobsen, H. (2025). Toward assessing the spatiotemporal structure of marine food webs from a MSFD Descriptor 4 perspective: A case study in Danish Kattegat. Aarhus University, DCE - Danish Centre for Environment and Energy. Videnskabelig rapport fra DCE - Nationalt Center for Miljø og Energi Vol. 2025 No. 641 https://dce.au.dk/fileadmin/dce.au.dk/Udgivelser/Videnskabelige_rapporter_600-699/SR641.pdf

Madsen, J. (2015). Too many geese? In S. Redpath, R. J. Gutiérrez, K. A. Wood & J. C. Young (Eds.), Conflicts in Conservation: Navigating towards Solutions (pp. 105-107). Cambridge University Press.

Rohner, S., Roos, A. M., du Plessis, S., Lanszki, J., Elmeros, M., Poledník, L., Polednikova , K., Kranz, A., Garcês , A., Pires , I., Siebert, U. & Chadwick, E. A. (2025). Too good to go - How otters found dead serve conservation legislation. Poster session presented at 16th International Otter Colloquium, Lima, Peru.

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Else Vihlborg Staalsen