alexa Brood habitat use by sage grouse in Oregon.
Environmental Sciences

Environmental Sciences

Journal of Ecosystem & Ecography

Author(s): Drut MS, Crawford JA, Gregg MA

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-Habitat use by Sage Grouse (Centrocerc1l.s uropharianus) hens with broods was examined at Jackass Creek and Hart Mountain, Oregon, from 1989 through 1991. Sage Grouse hens initially selected low sagebrush (Artemirio spp.) cover types during early brood·rearing, big sagebrush cover types later in the brood-rearing period, and ultimately concentrated use in and near lakebeds and meadows. Areas used by Sage Grouse broods typically had greater forb frequency than did random sites. Hens at Jackass Creek selected sites with forb cover similar to that generally available to broods at Hart Mountain, but home ranges were larger at Jacka.ss Creek because oflower availability of suit- able brood-rearing habitat. Differcm:es in habitat use by broods on the 1\'10 areas were reflected in dietary differences; at Hart Mountain, chiCks primarily ate forbs and insects, whereas at Jackass Creek most of the diet was sagebrush. Larger home ranges, differences in diets, and differences in availability of foro-rich habitats possihly were related to differences in abundance and productivity bety.·een areas.

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This article was published in Great Basin Naturalist and referenced in Journal of Ecosystem & Ecography

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