Human Disturbance of Sierra Nevada Bighorn Sheep

California bighorn sheep (Ovis canadensis californiana) and recreationists were studied in the Sierra Nevada Mountains of California from May through August 1976. Direct observation of sheep and people, pellet transects, and hiker interviews were used to assess overlap in areas of use and nature of ... Ausführliche Beschreibung

1. Person: Hicks, Lorin L.
Weitere Personen: Elder, James M. verfasserin
Quelle: in The journal of wildlife management Vol. 43, No. 4 (1979), p. 909-915
Weitere Artikel
Format: Online-Artikel
Sprache: English
Veröffentlicht: 1979
Beschreibung: Online-Ressource
Schlagworte: research-article
Online Zugang: Volltext
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Anmerkung: Copyright: Copyright 1979 The Wildlife Society, Inc.
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520 |a California bighorn sheep (Ovis canadensis californiana) and recreationists were studied in the Sierra Nevada Mountains of California from May through August 1976. Direct observation of sheep and people, pellet transects, and hiker interviews were used to assess overlap in areas of use and nature of interactions. Distance, juxtaposition, age and sex composition, and herd size are important factors in reaction of bighorns to humans. Meadows used by humans were inherently poor meadows for bighorn sheep, based on vegetation analysis. Use of meadows by sheep was correlated with amount of preferred forage species and vegetative cover. Hiker foot-trails did not affect sheep movements in the summer range. Bighorn-human encounters were limited to specific locations and were not adversely affecting the bighorn population. Nevertheless, regulations should continue to limit use of the study area by humans. 
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