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Hi Jeff & All, Sept 4, 2012
Yes that is interesting but, in hindsight, perhaps to be expected
provided those introduced Beetles are characteristic of anthropogenic
disturbed habitats.
Usually the spoil from a ditch will be piled to one side as a ridge that
will remain relatively free of vegetation for a decade or so and this
disturbed habitat might mimic cultivated/disturbed soil.
Were you able to estimate the width ot this ditch effect ? Or were your
traps spaced too widely to enable this ?
Yt, Dave Webster, Kentville
----- Original Message -----
From: "Jeffrey Ogden" <ogdenjb@gov.ns.ca>
To: <naturens@chebucto.ns.ca>
Sent: Monday, September 03, 2012 10:46 PM
Subject: Re: [NatureNS] A few days spent on Brier Island
> One interesting thing about those ditches, when collecting insects in
> 2002-2004, beetles within the raised bog consisted mainly of native
> species until you got nearer the cuts....then European introduced species
> dominated the pitfall traps
>
> just my 2 cents
> Jeff
>
> Jeffrey Ogden
> Integrated Pest Management
> Nova Scotia Department of Natural Resources
> P.O.Box 130 Shubenacadie, N.S.
> B0N 2H0
> ph-1 902 758 7015
> fx- 1 902 758 3210
> email ogdenjb@gov.ns.ca
>
>
> -----
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