Staff Publications

Staff Publications

  • external user (warningwarning)
  • Log in as
  • language uk
  • About

    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

    We have a manual that explains all the features 

Record number 532684
Title Monitoring van gewone en grijze zeehonden in de Nederlandse Waddenzee, 2002-2017
Author(s) Cremer, J.S.M.; Brasseur, S.M.J.M.; Meijboom, A.; Schop, J.; Verdaat, J.P.
Source Wageningen : Wettelijke Onderzoekstaken Natuur & Milieu (WOt-technical report 104) - 38
Department(s) IMARES Onderzoeksformatie
IMARES Ecosystemen
Publication type Research report
Publication year 2017
Abstract Harbour seal (Phoca vitulina) and grey seal (Halichoerus grypus) in the Wadden Sea are surveyed each year to support the international management of and policies for both populations. This annual census has been carried out for the Ministry of Agriculture, Nature and Food Quality by Wageningen Marine Research (WMR) since 1960. The results show that the growth in the harbour seal population is flattening off while the counted numbers of grey seal are still rising. Differences in the trend in numbers counted between sub-areas of the Dutch Wadden Sea have been observed for both seal species. The preferred haul-out sites also differ between the breeding season and moulting period. Further research will be needed to show which factors influence numbers and choice of haul-out site, and how these factors affect population size
Comments
There are no comments yet. You can post the first one!
Post a comment
 
Please log in to use this service. Login as Wageningen University & Research user or guest user in upper right hand corner of this page.