Geographical Variation in Waders
Inbunden, Engelska, 1998
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Beskrivning
The migratory habits and migration schedules of waders can better be understood by analyzing their measurements. Therefore, a clear characterization of breeding populations and the proper statistical tools is needed. In this text the morphometrical variation of the following species was studied with multivariate statistics: Ringed Plover, Semipalmated Plover, Eurasian Golden Plover, Grey Plover, Red Knot, Sanderling, Curlew Sandpiper, Purple Sandpiper, Dunlin, Black-tailed Godwit, Bar-tailed Godwit, Whimbrel, Eurasian Curlew, Redshank and Ruddy Turnstone. The taxonomy of most species was revised. The Black-tailed Godwit was split into two species. The same was done with the Whimbrel. Four new subspecies were described in, respectively, the Grey Plover (Wrangel Island), the Purple Sandpiper (Hudson Bay) and the Bar-tailed Godwit (Taymyr, Anadyr). The characteristics of the various subspecies and/or populations were quantified. Outside the breeding areas these characteristics can be helpful in producing estimates of the population composition of migrating and wintering populations throughout the world.It is of interest for all those people handling waders, whether in the museum or in the field when trapping. It is also interesting for taxonomical researchers and workers dealing with breeding studies. People studying other species than waders can also use this book, since they can construct their own databases and produce their own predictions with the POSCON programs enclosed on disk.
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