Mammals of the Mixedwood Plains Ecozone
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Ecoregions of Canada’s Prairie Grasslands
The Central Plains of Western Canada comprise the Prairies Ecozone and the Boreal Plains Ecozone. The former has the most grasslands and is divided into seven ecoregions: Mixed Grassland, Cypress Upland, Moist Mixed Grassland, and Fescue Grassland in southern Alberta and Saskatchewan; Aspen Parkland, which extends in an arc from central Alberta and Saskatchewan southeast to southwestern Manitob...
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Increasing concern about declines in winter indices of abundance of sea ducks (Anatidae: Mergini) has prompted researchers and agencies to devote more resources to their study and monitoring (Sea Duck Joint Venture 2007*, 2008). However, determining the causes of the apparent decline (Bordage and Savard 1995; Savard et al. 1998; Caithamer et al. 2000*) is a challenge because few breeding baseli...
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From approximately 11,200 to 8,000 years ago, the Great Plains of North America were populated by small Paleoindian hunting groups with well developed weaponry and the expertise to successfully hunt large mammals, especially mammoths and bison. Mammoths became extinct on the Plains by 11,000 years ago, and, although paleoecological conditions were worsening, their demise may have been hastened ...
متن کاملDevelopment of Northern White-Cedar Regeneration Following Partial Cutting, with and without Deer Browsing
Northern white-cedar (Thuja occidentalis L.) is an important commercial species with a high wildlife value, both as a food source and habitat for many bird and mammal species. Concerns have been expressed about its decreasing abundance across its range, and especially in mixedwood stands, where it has to compete with several other species and can suffer from heavy browsing. In this study, we qu...
متن کاملDung beetle assemblage structure in Tswalu Kalahari Reserve: responses to a mosaic of landscape types, vegetation communities, and dung types.
Tswalu Kalahari Reserve is a private game reserve covering 1,020 km(2) in the Northern Cape, South Africa. It has been created from a number of reclaimed farms and restocked with large indigenous mammals. Two surveys were conducted to inventory the dung beetle fauna (Coleoptera: Scarabaeidae: Scarabaeinae) and determine their spatial patterns and food type associations. The spatial survey used ...
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تاریخ انتشار 2017