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Stefan Resch marked the classification from "IUCN Red List" as preferred for "Arvicola amphibius".
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Tanya Dewey commented on "Arvicola amphibius":
ADW content for this species is accurately represented under the name Arvicola amphibius: http://animaldiversity.ummz.umich.edu/site/accounts/information/Arvicola_amphibius.html
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Stefan Resch marked "File:Water.vole.arp.jpg" as trusted on the "Arvicola terrestris (Linnaeus, 1758)" page.
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Stefan Resch commented on "Arvicola amphibius":
Valid name for Arvicola terrestris is Arvicola amphibius. see D. E. Wilson, D. M. Reeder (2005): Mammal Species of the World. Johns Hopkins University Press, Baltimore.
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John Bell commented on "Description":
The haplotype found in Scotland (the larger black form mentioned above) was found to be different from the haplotype found in England/Wales (a smaller brown form). These two forms arose from two separate recolonisations after the end of glaciation - the Scottish haplotype from an Iberian refugium and the English from an Eastern European refugium. Ref: PIERTNEY, S. B., STEWART, W. A., LAMBIN, X., TELFER, S., AARS, J. and DALLAS, J. F. (2005), Phylogeographic structure and postglacial evolutionary history of water voles (Arvicola terrestris) in the United Kingdom. Molecular Ecology, 14: 1435–1444. doi: 10.1111/j.1365-294X.2005.02496.x
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John Bell commented on "Arvicola amphibius":
This species has been renamed Arvicola amphibius.
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John Bell commented on "Range":
The actual figure for habitat loss (from 1900) stated in the 1989-90 survey is 67.7%, and the figures for habitat loss (from the previous study) in the 1996-1998 study are 69.62% (baseline only) or 67.49% (baseline and historical). This would give total loss from 1900 until the 1996-1998 study of 90.2% or 89.6%.
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John Bell commented on "Range":
The claim above that the 1996-98 survey showed a loss of 94% of sites is incorrect. This figure of 94% is from the earlier 1989-90 study by Jefferies and Strachan, and is an extrapolated figure - "Thus, we could eventually have a total loss of 94% of occupied sites this century and an even greater reduction in actual numbers." The actual loss reported in the study, since 1900, is 67.7%, although it may be as high as 77.2%. See Jefferies and Strachan, "The Water Vole Arvicola terrestris in Britain 1989-1990: Its distribution and changing Status", The Vincent Wildlife Trust, ISBN:0-946081-23-9
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