context source (Schelde)Maris, T., O. Beauchard, S. Van Damme, E. Van den Bergh, S. Wijnhoven & P. Meire. (2013). Referentiematrices en Ecotoopoppervlaktes Annex bij de Evaluatiemethodiek Schelde-estuarium Studie naar “Ecotoopoppervlaktes en intactness index”. [Reference matrices and Ecotope areas Annex to the Evaluation methodology Scheldt estuary Study on “Ecotope areas and intactness index”. <em>Monitor Taskforce Publication Series, 2013-01. NIOZ: Yerseke.</em> 35 pp. (look up in IMIS) [details]
basis of recordWoehler E.J. (compiler) 2006. Species list prepared for SCAR/IUCN/BirdLife International Workshop on Antarctic Regional Seabird Populations, March 2005, Cambridge, UK. (look up in IMIS) [details]