[NatureNS] Canadian beavers in Russia

From: "Dusan Soudek" <soudekd@ns.sympatico.ca>
To: "NatureNS" <naturens@chebucto.ns.ca>
Date: Wed, 23 Jul 2008 22:02:08 -0300
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   The latest issue of Maclean's magazine (July 28, page 43) has an =
interesting article about good old Castor canadensis wreaking havoc in =
parts of Russia. The animals are the descendents of Canadian beavers =
released into the wild in neighbouring Finland in 1937 in order to =
re-establish the overtrapped and overhunted local beaver populations.
   Apparently now there are some 20 000 wild Canuck beavers in =
northwestern Russian, perpetrating the usual misdeeds such as flooding =
infrastructure and felling valuable trees. It is not clear from the =
article whether the Canadian beavers are simply re-colonizing empty =
beaver habitat or whether they are actually displacing the native =
Eurasian species, Castor fiber. Or whether the two species are =
hybridizing.
   Dusan Soudek 
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<DIV>&nbsp;&nbsp; The latest issue of Maclean's magazine (July 28, page =
43) has=20
an interesting article about good old <EM>Castor canadensis</EM> =
wreaking havoc=20
in parts of Russia. The animals are the descendents of Canadian beavers =
released=20
into the wild in neighbouring Finland in 1937 in order to re-establish =
the=20
overtrapped and overhunted local beaver populations.</DIV>
<DIV>&nbsp;&nbsp; Apparently now there are some 20 000 wild Canuck =
beavers in=20
northwestern Russian,&nbsp;perpetrating the usual&nbsp;misdeeds such as =
flooding=20
infrastructure and felling valuable trees. It is not clear from the =
article=20
whether the Canadian beavers are simply re-colonizing empty beaver =
habitat or=20
whether they are actually displacing the native Eurasian species, =
<EM>Castor=20
fiber</EM>. Or whether the two species are hybridizing.</DIV>
<DIV>&nbsp;&nbsp; Dusan Soudek&nbsp;</DIV></BODY></HTML>

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