Numbers and distribution of wild geese in The Netherlands, 1979-1984

摘要: This paper deals with the numbers of wild geese in The Netherlands during period 1979-84. comprises four mild winters and one cold winter, 1981-2. resulted a higher number both Bean Goose Anser fabalis subspecies, lower Dark-bellied Brent Geese Branta b. bernicla an influx small but unusual Light-bellied B. hrota. Moreover all other wintering species tended to shift snow-free southwestern, mildest, part country spell. When compared previous five-year (Greylag A. anser, Whitefront albifrons, Pinkfoot brachyrhynchus) have further increased by 50-80%, whereas two showed increase 13% Barnacle leucopsis 39% Brent.