Data from: Study "Tracking of Caspian Terns (Hydroprogne caspia) in the Swedish Baltic Sea 2017-2020"

When using this dataset, please cite the original article.

Rueda-Uribe C, Lötberg U, Ericsson M, Tesson SVM, Åkesson S. 2021. First tracking of declining Caspian terns Hydroprogne caspia breeding in the Baltic Sea reveals high migratory dispersion and disjunct annual ranges as obstacles to effective conservation. J Avian Biol. 52(9). e02743. doi:10.1111/jav.02743

Additionally, please cite the Movebank data package:

Åkesson S, Lötberg U, Rueda-Uribe C (2022) Data from: Study "Tracking of Caspian Terns (Hydroprogne caspia) in the Swedish Baltic Sea 2017-2020". Movebank Data Repository. doi:10.5441/001/1.hg1v55ct
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Package Identifier doi:10.5441/001/1.hg1v55ct  
 
Abstract The conservation of migratory species poses significant challenges that may be countered by detailed knowledge about the sites used by migrants throughout the annual cycle. We present the first GPS-tracking data on the migration of declining Caspian terns Hydroprogne caspia breeding in the Baltic Sea. For 39 Caspian terns from colonies along a latitudinal gradient from 57 to 65°N, we identified key migratory routes, stopovers and wintering areas. In autumn these seabirds migrated using coastal and freshwater stopovers along six routes to reach their wintering areas across the Sahel, the Nile River Basin and the southern Iberian Peninsula. In spring, adults returned to the breeding grounds in the Baltic using a time optimizing strategy by reducing time at stopover by 78%, whereas most subadults remained sedentary and some performed only partial return migrations. Of the stopover sites used in both seasons, 58% are protected and have a reported management plan. Conservation strategies in wintering areas, stopover sites that are not protected or had not been previously recognized, and the inclusion of the species in important migratory flyways across Europe and Africa will be important to prevent further population declines of a species that depends on aquatic habitats.
Keywords animal movement, animal tracking, avian migration, Caspian tern, GSM telemetry, Hydroprogne caspia, protected areas, seabirds,

Tracking of Caspian Terns (Hydroprogne caspia) in the Swedish Baltic Sea 2017-2020.csv View File Details
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Download: Tracking of Caspian Terns (Hydroprogne caspia) in the Swedish Baltic Sea 2017-2020.csv.zip ( 178.4Mb )
To the extent possible under law, the authors have waived all copyright and related or neighboring rights to this data.  



Tracking of Caspian Terns (Hydroprogne caspia) in the Swedish Baltic Sea 2017-2020-reference-data View File Details
Download: README.txt ( 17.40Kb )
Download: Tracking of Caspian Terns (Hydroprogne caspia) in the Swedish Baltic Sea 2017-2020-reference-data.csv ( 14.04Kb )
To the extent possible under law, the authors have waived all copyright and related or neighboring rights to this data.  


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