A Comparison of Two Muskrat (Ondatra Zibethicus) Populations PDF Download
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Author: Thomas James Neal
Publisher:
ISBN:
Category : Animal populations
Languages : en
Pages : 120
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Author: Thomas James Neal
Publisher:
ISBN:
Category : Animal populations
Languages : en
Pages : 120
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Author: Edward Lyman
Publisher:
ISBN:
Category :
Languages : en
Pages : 222
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Author:
Publisher:
ISBN:
Category : Natural history
Languages : en
Pages : 406
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Author: Robert Paul Brooks
Publisher:
ISBN:
Category : Muskrat
Languages : en
Pages : 226
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Author: Mark Reid Simpson
Publisher:
ISBN:
Category : Muskrat
Languages : en
Pages : 194
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Book Description
Author: George A. Feldhamer
Publisher: JHU Press
ISBN: 9780801874161
Category : Nature
Languages : en
Pages : 1250
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Author: Rodney Allen, Jr. Gross
Publisher:
ISBN:
Category : Fur trade
Languages : en
Pages :
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Muskrats (Ondatra zibethicus) are becoming a highly sought after furbearer species in North Dakota because of current pelt prices. In North Dakota, regulation changes in 2011 allowed trappers to use float sets to trap muskrats during the spring season. The regulations require float sets to have a covering made of wire mesh, wood, or plastic and with an opening not exceeding 8 in. high by 8 in. wide to attempt to minimize incidental take of non-target species. Surprisingly, no research has been conducted in the Great Plains region on incidence of injury to waterfowl or other water birds from being captured in a floating muskrat trap. The only other research on this subject was over 50 years ago, in the state of Maine. The primary goal of this project is to determine if muskrat float set covers are effective at eliminating incidental take of non-target species. We completed the first year of a 2-year study conducted in the Central Flyway used by migrating waterfowl in eastern North Dakota. Our trapping efforts focused on 4 areas: Devils Lake Basin, Arrowwood National Wildlife Refuge (NWR) and Chase Lake Wetland Management District (WMD), and Tewaukon NWR. Float sets were deployed without covers, with covers of 1 in. by 1 in. wire mesh, and with covers of 6 in. by 6 in. wire mesh at each wetland. During the 2012 fall trapping season, 22 muskrats and no incidental species were captured over 273 trap-nights. During the 2013 spring trapping season, 72 muskrats and 1 non-target water bird (Black-crowned night-heron [Nycticorax nycticorax]) were captured over 1,319 trap nights. The 1 non-target bird was captured in an uncovered float set. The majority of muskrats (46.8%) were captured on float sets with a 6 in. by 6 in. wire mesh covering.
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 1114
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Author: Rodney Allen, Jr. Gross
Publisher:
ISBN: 9781321909029
Category : Electronic dissertations
Languages : en
Pages : 164
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Author: U.S. Fish and Wildlife Service
Publisher:
ISBN:
Category : Animals
Languages : en
Pages : 826
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