Significance of the White Sea as stopover for Bewick's Swans Cygnus columbianus bewickii in springA note on oystercatchers from the Varangerfjord (NE Norway)Wax and wane of eelgrass Zostera marina and water column silicon levelsBiometrics and migration of Oystercatchers (Haematopus ostralegus) from the White Sea region (NW Russia)Twentyfive years of changes in the distribution and biomass of eelgrass, Zostera marina, in Grevelingen lagoon, The Netherlands
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E.G.J. Wessel