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Tracking wintering areas and post-breeding migration of a declining farmland bird – An indispensable basis for successful conservation

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https://doi.org/10.48693/492
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DC ElementWertSprache
dc.creatorKämpfer, Steffen-
dc.creatorKruckenberg, Helmut-
dc.creatorDüttmann, Heinz-
dc.creatorKölzsch, Andrea-
dc.creatorJiguet, Frédéric-
dc.creatorBocher, Pierrick-
dc.creatorFartmann, Thomas-
dc.date.accessioned2024-02-15T14:42:50Z-
dc.date.available2024-02-15T14:42:50Z-
dc.date.issued2023-05-26-
dc.identifier.citationKämpfer, S., Kruckenberg, H., Düttmann, H., Kölzsch, A., Jiguet, F., Bocher, P., & Fartmann, T. (2023). Tracking wintering areas and post-breeding migration of a declining farmland bird – An indispensable basis for successful conservation. Global Ecology and Conservation, 45, e02527.ger
dc.identifier.urihttps://doi.org/10.48693/492-
dc.identifier.urihttps://osnadocs.ub.uni-osnabrueck.de/handle/ds-2024021510673-
dc.description.abstractMany farmland birds, such as the Eurasian Curlew (Numenius arquata; here in after Curlew), are in steep decline. So far, decreased reproduction and, hence, an insufficient number of offspring to compensate for adult mortality has been considered the main driver of the recent population collapse. However, despite extensive conservation measures in most breeding areas, there are no signs of a general reversal of the population trend. Accordingly, conservation has to focus on decreasing adult mortality outside the breeding areas as well. For Curlews breeding in NW Germany, ring recoveries suggest that the main wintering areas are the coastlines of western France and southern England. However, such data are often biased in space and time. Here, we used GPS tracking to investigate the wintering areas and post-breeding migration of Curlews of the main German breeding population based on large sample size. Altogether, we tagged 86 adult breeding birds at 23 subareas across a transect of about 250 km (in length) in NW Germany. Curlews started post-breeding migration right after finishing breeding or attempting to breed, which was mainly in mid-June. We identified the coastlines of Great Britain/Ireland, western France and the Netherlands, in particular the Rhine-Meuse-Delta and the Wadden Sea, as the main wintering areas of Curlews breeding in NW Germany. We found a latitudinal structuration of migration, with birds nesting further north using more northerly wintering areas. However, in some cases, wintering areas of birds of the same subpopulation were located more than a thousand kilometres apart from each other. All three main stopover areas identified by our study (German/Dutch Wadden Sea, Dutch Rhine-Meuse-Delta, French Normandy) overlap in large parts with the main wintering areas. Since Curlews spend most of the year outside their breeding areas, and wintering and stopover areas also suffer from rapid environmental change, conservation has to additionally focus on these areas. Nearly one third (29%) of the tracked birds wintered in France or used French stopover areas. Accordingly, they might potentially be affected by a resumption of hunting, which is currently in discussion in France. Our study provides an important basis for the protection of wintering and stopover areas of the main German breeding population but also for other wader species migrating along the East Atlantic Flyway.eng
dc.relationhttps://doi.org/10.1016/j.gecco.2023.e02527ger
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectBird huntingeng
dc.subjectEurasian Curlew (Numenius arquata)eng
dc.subjectGPS trackingeng
dc.subjectMovement ecologyeng
dc.subjectStopover areaeng
dc.subjectThreatened speciesger
dc.subject.ddc590 - Tiere (Zoologie)ger
dc.subject.ddc570 - Biowissenschaften, Biologieger
dc.titleTracking wintering areas and post-breeding migration of a declining farmland bird – An indispensable basis for successful conservationeng
dc.typeEinzelbeitrag in einer wissenschaftlichen Zeitschrift [Article]ger
orcid.creatorhttps://orcid.org/0000-0002-2050-9221-
orcid.creatorhttps://orcid.org/0000-0002-1746-3453-
dc.identifier.doi10.1016/j.gecco.2023.e02527-
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