The semi-enclosed tidal bay Eastern Scheldt in the Netherlands: porpoise heaven or porpoise prison?
Harbour porpoises (Phocoena phocoena), the smallest of cetaceans, need to consume quantities of prey that amount to ca. 10% of their own body mass per day. They mostly feed on small fish, with the main prey species differing geographically. The δ¹³C muscle signature of harbour porpoises sampled in the Eastern Scheldt, SW Netherlands, has indicated that animals tend to stay here for some time after they entered this semi-enclosed basin, and that they thus must feed on local prey. A relatively low primary production and low local fish biomass raises the question what there is for harbour porpois... Mehr ...
Verfasser: | |
---|---|
Dokumenttyp: | Artikel |
Erscheinungsdatum: | 2017 |
Schlagwörter: | Phocoena phocoena / stomach content analysis / prey composition / geographical differences / ecologicaltrap / Taverne |
Sprache: | Englisch |
Permalink: | https://search.fid-benelux.de/Record/base-27220378 |
Datenquelle: | BASE; Originalkatalog |
Powered By: | BASE |
Link(s) : | https://dspace.library.uu.nl/handle/1874/360859 |