An overview to population status and conservation of black grouse worldwide
2000
Storch, I. (Technische Universitaet Muenchen and Munich Wildlife Society, Ettal (Germany). Wildlife Research and Management Unit)
A worldwide overview to the status and population trend of the black grouse and to the threats to its survival is the frame based on questionnaire data compiled of the IUCN Grouse Action Plan (Storch 2000). Information from most of the 29 countries within the range of the black grouse was analysed in relation to geographic distribution and frequency. Globally, the black grouse is not threatened (IUCN 1996). At the southern edge of the range and in densely populated regions, i.e., in Europe south of the boreal forest, however, black grouse are red-listed in most countries. Habitat degradation and fragmentation due to human land use activities, small population size, and increasing predator numbers are globally considered the major threats to population viability. Additional threats such as human disturbance (mostly western Europe) and exploitation (mostly eastern Europe and Asia) are regionally felt to be critical. In temperate Europe, small population sizes and isolation appear to significantly limit the chances for black grouse survival and recovery. Because the various regulating factors act in concert, influence each other, and are of locally different weight, comparative approaches from a global or at least regional perspective are recommended in black grouse conservation.
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