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Evaluating trapping as a method to c...

Duncombe, Lynda Gail.

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Evaluating trapping as a method to control the European green crab, Carcinus maenas, population at Pipestem Inlet, British Columbia.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Evaluating trapping as a method to control the European green crab, Carcinus maenas, population at Pipestem Inlet, British Columbia./
作者:	Duncombe, Lynda Gail.
面頁冊數:	76 p.
附註:	Source: Masters Abstracts International, Volume: 54-01.
Contained By:	Masters Abstracts International54-01(E).
標題:	Agriculture, Fisheries and Aquaculture. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1569905
ISBN:	9781321370027

Evaluating trapping as a method to control the European green crab, Carcinus maenas, population at Pipestem Inlet, British Columbia.
Duncombe, Lynda Gail.

Evaluating trapping as a method to control the European green crab, Carcinus maenas, population at Pipestem Inlet, British Columbia. - 76 p.

Source: Masters Abstracts International, Volume: 54-01.

Thesis (M.S.)--Royal Roads University (Canada), 2015.

This item must not be sold to any third party vendors.

The invasive European green crab, Carcinus maenas, has been present on the west coast of Vancouver Island since 1998. Annual trapping has been conducted since 2010 at Pipestem Inlet to determine if depletion is a potential mechanism to eradicate or control established populations. Although catch per unit effort decreased during annual trapping events, suggesting depletion efforts may be reducing this localized population, this trend was not apparent between years. For example, there was a drastic increase in population size from 2010 to 2012, and since then population size has only gradually declined, despite annual depletion efforts. However, average carapace width declined during each trapping event and between years, and 2010, 2012 and 2013 catch rates showed a female bias, suggesting depletion efforts have affected population structure. Overall these intensive trappings events have significantly altered population demographics at Pipestem Inlet, but effects on population size are less apparent, especially over time.

ISBN: 9781321370027Subjects--Topical Terms:

1020913
Agriculture, Fisheries and Aquaculture.

Evaluating trapping as a method to control the European green crab, Carcinus maenas, population at Pipestem Inlet, British Columbia.
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520 $a The invasive European green crab, Carcinus maenas, has been present on the west coast of Vancouver Island since 1998. Annual trapping has been conducted since 2010 at Pipestem Inlet to determine if depletion is a potential mechanism to eradicate or control established populations. Although catch per unit effort decreased during annual trapping events, suggesting depletion efforts may be reducing this localized population, this trend was not apparent between years. For example, there was a drastic increase in population size from 2010 to 2012, and since then population size has only gradually declined, despite annual depletion efforts. However, average carapace width declined during each trapping event and between years, and 2010, 2012 and 2013 catch rates showed a female bias, suggesting depletion efforts have affected population structure. Overall these intensive trappings events have significantly altered population demographics at Pipestem Inlet, but effects on population size are less apparent, especially over time.
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