Titlebook: Geographical Variation in Waders; Meinte Engelmoer,Cees S. Roselaar Book 1998 Springer Science+Business Media Dordrecht 1998 Multivariate

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,Grey Plover — Pluvialis squatarola,Fig. 32). The species breeds on Wrangel Island, but not on most high arctic islands, nor on the northern New Siberian Islands and northern Melville Island. The breeding season starts in the second half of May or in the first half of June (Fig. 33).

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,Red Knot — Calidris canutus,peninsulas and islands north of the continental mainland, near but not on the coast (Cramp & Simmons 1983). During the past decade much attention was focussed on the geographical variation in the Red Knot. Until the early 1980’s much of the species’ morphometrical variation was unknown or not well u

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General discussion, in geographical variation, size dimorphism and sex ratio amongst the various species are discussed. In the first subchapter the morphometric (dis)similarities between species and/or populations are presented by using cluster analysis. In the second subchapter it is tried to show that migration has