{"datasetrec":{"DasID":8820,"Acronym":null,"StandardTitle":"Habitat suitability maps for harbour porpoises in the North Sea–Baltic Sea transition zone from 1997 to 2022","OrigTitle":null,"OrigTitleLangID":15,"OrigTitleLangCode":"en","OrigTitleLang":"English","OrigTitleLangNL":"Engels","VersionName":null,"ContactEmail":"flbe@ecos.au.dk","VersionDate":"Jul 16 2025  8:00PM","VersionDay":16,"VersionMonth":7,"VersionYear":2025,"SizeReference":null,"EngAbstract":"<p>The dataset includes 6 &nbsp;layers showing modelled habitat suitability for harbour porpoises (Phocoena phocoena) across the North Sea–Baltic Sea transition zone over a 25-year period (1997–2004; 2005-2012; 2013-2022) during winter (Nov–Apr) and summer (May–Oct). Habitat suitability was estimated using the maximum entropy (MaxEnt) algorithm, based on satellite tag data of 111 individuals and a range of dynamic and static environmental conditions as predictor variables. Habitat suitability models and maps were developed by researchers of the Department of Ecoscience, Aarhus University to quantify potential spatiotemporal changes in the overlap between suitable habitats and an existing network of 62 MPAs dedicated to harbour porpoise protection. The habitat suitability rasters can inform effective design of forthcoming MPAs under the EU Biodiversity Strategy for 2030.</p>","EngDescr":"<p>Harbour porpoise habitat suitability layers cover a seascape area of 70,145 km2. Habitat suitability layers are available for the periods: 1997–2004; 2005-2012; 2013-2022 and for both winter (Nov–Apr) and summer (May–Oct). All layers are projected using the EEA reference grid (ETRS89-LAEA Europe, EPSG:3035), have a 1x1 km spatial resolution (cell size) and a spatial extent of 4275000, 4545000, 3415000, 4105000 &nbsp;(xmin, xmax, ymin, ymax). Habitat suitability values (probabilities) range between 1 and 0 with values closer to 1 indicating habitat being highly suitable for harbour porpoises while values closer to 0 indicate habitat that is poorly suitable for harbour porpoises. Location data underlying the habitat suitability models were collected from 111 harbour porpoises tracked over the period 1997–2022 as part of a long-term satellite telemetry monitoring program in Denmark. Location and meta data are freely available at Zenodo (https://doi.org/10.5281/zenodo.13968991).&nbsp;<br>Harbour porpoise habitat suitability layers were produced as part of the projects: GES4SEAS (grant agreement no. 101059877) and OBAMA-NEXT (101091642))</p>","OrigAbstract":null,"OrigDescr":null,"Comments":null,"ReleaseDate":null,"ReleaseDate0":null,"OrigDescrLang":null,"EmbargoDate":null,"OrigDescrLangNL":null,"OrigLangCode":null,"OrigLangCodeExtended":null,"OrigLangID":null,"DescrCompFlag":null,"DescrTransFlag":null,"Citation":"van Beest FM, Carstensen J, Dietz R, Nabe-Nielsen J, Sveegaard S, Teilmann J; Department of Ecoscience, Aarhus University; (2025) Habitat suitability maps for harbour porpoises in the North Sea–Baltic Sea transition zone &nbsp;from 1997 to 2022","AccessConstraints":null,"UDate":"2025-08-06","CDate":"2025-04-15","CurrencyDate":null,"RevisionDate":null,"DateLastModified":{"date":"2025-08-06 10:26:27.669216","timezone_type":1,"timezone":"+02:00"},"CheckedFlag":1,"PublicFlag":1,"VlizCoreFlag":1,"MarineFlag":null,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"StatusID":1,"DasType":"Data products","DasTypeID":23,"DasOrigin":"Monitoring","Progress":"Completed","AccessConstraint":"Attribution (CC BY)","AccConstrEN":"Attribution (CC BY)","AccConstrDisplay":"<a rel=\"license\" href=\"https://creativecommons.org/licenses/by/4.0/\" target=\"_blank\"><img alt=\"Creative Commons License\" style=\"border:0px;height:15px;width:80px;vertical-align:middle;\" src=\"https://www.marinespecies.org/aphia/images/cc/by.png\" /></a> This dataset is licensed under a <a rel=\"license\" href=\"https://creativecommons.org/licenses/by/4.0/\" target=\"_blank\">Creative Commons Attribution 4.0 International License</a>.","License":"https://creativecommons.org/licenses/by/4.0/","AccConstrDescription":"This license lets others distribute, remix, tweak, and build upon your work, even commercially, as long as they credit you for the original creation. This is the most accommodating of licenses offered. Recommended for maximum dissemination and use of licensed materials.","Lineage":"Methods used to create this product are described in van Beest FM, Carstensen J, Dietz R, Nabe-Nielsen J, Sveegaard S, Teilmann J. 2025. Shifts in habitat suitability for harbour porpoises leads to reduced importance of marine protected areas. 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Shifts in habitat suitability for harbour porpoises leads to reduced importance of marine protected areas. <i>Biol. Conserv. 302</i>: 111009. <a href=\"https://dx.doi.org/10.1016/j.biocon.2025.111009\" target=\"_blank\">https://dx.doi.org/10.1016/j.biocon.2025.111009</a>","RR":"<b>van Beest, F.M. <i>et al.</i></b> (2025). Shifts in habitat suitability for harbour porpoises leads to reduced importance of marine protected areas. <i>Biol. Conserv. 302</i>: 111009. <a href=\"https://dx.doi.org/10.1016/j.biocon.2025.111009\" target=\"_blank\">https://dx.doi.org/10.1016/j.biocon.2025.111009</a>","4":"Shifts in habitat suitability for harbour porpoises leads to reduced importance of marine protected areas","StT":"Shifts in habitat suitability for harbour porpoises leads to reduced importance of marine protected areas","5":"van Beest, F.M.; Carstensen, J.; Dietz, R.; Nabe-Nielsen, J.; Sveegaard, S.; Teilmann, J.","RSA":"van Beest, F.M.; Carstensen, J.; Dietz, R.; Nabe-Nielsen, J.; Sveegaard, S.; Teilmann, J.","6":"Gebaseerd op deze dataset","DutchTerm":"Gebaseerd op deze dataset","7":2025,"AnaDate":2025,"8":null,"MonDate":null,"9":". <i>Biol. Conserv. 302</i>: 111009. <a href=\"https://dx.doi.org/10.1016/j.biocon.2025.111009\" target=\"_blank\">https://dx.doi.org/10.1016/j.biocon.2025.111009</a>","":". <i>Biol. 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