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Publications

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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
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., 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., Bregnballe, T., Frikke, J., Günther, K., Hälterlein, B., Hansen, M. B., Hornman, M., Meyer, J. & Scheiffarth, G. (2022). Wadden Sea Quality Status Report: Migratory birds . In S. Kloepper (Ed.), Wadden Sea Quality Status Report Common Wadden Sea Secretariat (CWSS), Wilhelmhaven, Germany.
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., Behm, K., Günther, K., Hälterlein, B., Hansen, M. B., Hornman, M., Meyer, J. & Scheiffarth, G. (2025). Change in migrating and wintering waterbirds in the Wadden Sea. In M. van Roomen, J. Reneerkens, G. Citegetse, O. Crowe, K. Gueye, T. Langendoen, T. Dodman, K. Meise & H. Schekkerman (Eds.), East Atlantic Flyway Assessment 2023: The status of coastal waterbird populations and their sites (pp. 55-65) https://doi.org/10.5281/zenodo.15355685
Kjeldsen, J. P. & Nielsen, H. H. (2011). Ynglefugle i Vejlerne 2011. Aarhus University, DCE - Danish Centre for Environment and Energy. Teknisk rapport fra DCE - Nationalt Center for Miljø og Energi No. 6 http://www2.dmu.dk/Pub/TR6.pdf
Kjær, L., Madsen, A. B. & Elmeros, M., (2013). Krondyr og barriereeffekter fra veje: Best practice på statens veje i Danmark, 15 p., Jan 18, 2013. Notat fra DCE - Nationalt Center for Miljø og Energi (2011-2019)
Kjær, C., Nygaard, B., Therkildsen, O. R., Elmeros, M., Bladt, J. & Mikkelsen, P. (2021). Arter 2019: NOVANA. Aarhus University, DCE - Danish Centre for Environment and Energy. Videnskabelig rapport fra DCE - Nationalt Center for Miljø og Energi No. 421 https://dce2.au.dk/pub/SR421.pdf
Kjær, C., Therkildsen, O. R., Brunbjerg, A. K., Bladt, J. & Mikkelsen, P. (2021). Arter 2020: NOVANA. Aarhus University, DCE - Danish Centre for Environment and Energy. Videnskabelig rapport fra DCE - Nationalt Center for Miljø og Energi No. 476 https://dce2.au.dk/pub/SR476.pdf
Kjær, C., Elmeros, M., Heldbjerg, H., Brunbjerg, A. K., Mortensen, R. M., Bladt, J. & Mikkelsen, P. (2023). Arter 2021: NOVANA . Aarhus University, DCE - Danish Centre for Environment and Energy. Videnskabelig rapport fra DCE - Nationalt Center for Miljø og Energi No. 530 https://dce2.au.dk/pub/SR530.pdf
Kjær, C., Adrados, L. C., Boel, M., Briggs, L., Christensen, P. K., Damm, N., Frisenvænge, J., Fog, K., Hansen, R. R., Hesselsøe, M., Mortensen, R. M., Ravn, P., Stoisek, S., Strandberg, M. T., Therkildsen, O. R. & Wiberg-Larsen, P. (2023). Opdatering af: Håndbog om dyrearter på habitatdirektivets Bilag IV. Aarhus University, DCE - Danish Centre for Environment and Energy. Videnskabelig rapport fra DCE - Nationalt Center for Miljø og Energi https://dce.au.dk/fileadmin/dce.au.dk/Udgivelser/Videnskabelige_rapporter_500-599/SR520.pdf
Kjær, C., Strandberg, M. T., Elmeros, M., Hansen, R. R., Brunbjerg, A. K., Bladt, J. & Mikkelsen, P. (2024). Arter 2022: NOVANA. Aarhus University, DCE - Danish Centre for Environment and Energy. Videnskabelig rapport fra DCE - Nationalt Center for Miljø og Energi Vol. 2024 No. 593 https://dce.au.dk/fileadmin/dce.au.dk/Udgivelser/Videnskabelige_rapporter_500-599/SR593.pdf
Kjær, L. J., Kirkeby, C. T., Boklund, A. E., Hjulsager, C. K., Fox, A. D. & Ward, M. P. (2025). Prediction models show differences in highly pathogenic avian influenza outbreaks in Japan and South Korea compared to Europe. Scientific Reports, 15(1), Article 6783. https://doi.org/10.1038/s41598-025-91384-3
Kjær, C., Brunbjerg, A. K., Hansen, R. R., Boel, M., Mortensen, R. M., Møller, J. D. & Mikkelsen, P. (2025). Arter 2023-2024: NOVANA. Aarhus University, DCE - Danish Centre for Environment and Energy. Videnskabelig rapport fra DCE - Nationalt Center for Miljø og Energi No. 686 https://dce.au.dk/fileadmin/dce.au.dk/Udgivelser/Videnskabelige_rapporter_600-699/SR686.pdf
Kilpi, M., Lorentsen, S.-H., Petersen, I. K. & Einarsson, Á. (2015). Trends and drivers of change in diving ducks. TemaNord Vol. 2015 No. 516
Keck, S. M., Barnhill, A., Smeele, S. Q., Hsu, M., Dolson-Fazio, A., Bergler, C., Ball, G. F., Krieg, C. A. & Odom, K. J. (2025). Deep machine learning allows classification of male and female songbird songs in a species with highly variable repertoires. Behaviour, 162(10-11), 709-743. https://doi.org/10.1163/1568539X-bja10324
Katborg, C., Møller, J. D. & Elmeros, M. (2024). Flagermus – mellem regler og beskyttelse. Vand & Jord, 31(1), 27-29.
Kanstrup, N., (2017). Filling the gabs in evidence: Danish experiences with non-lead shot for hunting in wetlands, No. EC Number 231-100-4 CAS Number 7439-92-1, Apr 12, 2017.
Kanstrup, N. (2016). Danske Jagtvæsner anno 2016. Dansk Jagtakademi.
Kanstrup, N. (2017). Lead poisoning from lead ammunition: Danish research and regulations . Poster session presented at Sea-Eagle 2017 Conference. Roosta. Estonia..
Kanstrup, N., Thomas, V. G. & Fox, A. D. (Eds.) (2019). Lead in hunting ammunition: Persistent problems and solutions. Springer. Ambio Vol. 48 No. 9
Kanstrup, N. (2020). Skovbrug og kronvildt kan forenes. Skoven, (4), 132-135.
Kanstrup, N. & Haugaard, L. (2020). Krav til projektilvægt, anslagsenergi m.v. for riffelammunition, der anvendes til jagt og regulering. Aarhus University, DCE - Danish Centre for Environment and Energy. Fagligt notat fra DCE – Nationalt Center for Miljø og Energi (2020-...) No. 36 https://dce.au.dk/fileadmin/dce.au.dk/Udgivelser/Notatet_2020/N2020_36.pdf
Kanstrup, N., Hansen, H. P., Balsby, T. J. S. & Mellerup, K. A. (2020). Bly i riffelammunition: danske jægeres kendskab og holdning. Aarhus University, DCE - Danish Centre for Environment and Energy. Videnskabelig rapport fra DCE - Nationalt Center for Miljø og Energi No. 381 https://dce2.au.dk/pub/SR381.pdf
Kanstrup, N., (2020). Data for CHR-registrerede andehold i Danmark, 6 p., Fagligt notat fra DCE – Nationalt Center for Miljø og Energi (2020-...) Vol. 2020 No. 90 https://dce.au.dk/fileadmin/dce.au.dk/Udgivelser/Notatet_2020/N2020_90.pdf
Kanstrup, N. & Fløjgaard, C., (2020). Vurdering af mulighed for jagt i Hammer Bakker, 15 p., Fagligt notat fra DCE – Nationalt Center for Miljø og Energi (2020-...) Vol. 2020 No. 69 https://dce.au.dk/fileadmin/dce.au.dk/Udgivelser/Notatet_2020/N2020_69.pdf