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    Bird and mammal populations using scoria rock outcrop and adjacentsagebrush/grassland habitats were studied. Bird populations and bird species richness were greater in the outcrop habitats than in the surrounding sagebrush/grassland habitats. These differences were attributedto the structural features provided by the outcrops. Most, but not all, small mammal populations also were larger in outcrop habitats. Reclaiming surface-mined lands with rock outcrops would enhance wildlife habitat, especially for birds.

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    Rumble, Mark A. 1989. Wildlife associated with scoria outcrops: implications for reclamation of surface-mined lands. Res. Pap. RM-285. Fort Collins, CO: U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station. 7 p


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    scoria, rock outcrops, wildlife, small mammals, birds, habitat selection, reclaimed land, Montana

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