Because of long-term declines in sage grouse (Centrocercus urophasianus) abundance and productivity in Oregon, we investigated the relationship between vegetational cover and nesting by sage grouse in 2 study areas. Medium height (40-80 cm) shrub cover was greater (P 18 cm), residual grass cover was greater (P < 0.001) at nonpredated nests (x = 18%) than in areas surrounding nonpredated nests (x = 6%) or random locations (x = 3%)
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Gregg et al. (1994) studied this question.
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