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Filtering by: Subject Songbirds -- Ecology -- Oregon -- Zumwalt Prairie Committee Member Ocamb, Cynthia M.

Direct and indirect effects of livestock grazing intensity on processes regulating grassland bird populations

Creator:

Johnson, Tracey N.

Abstract:

In grasslands, grazing by large ungulates can influence vegetation structure, composition, primary productivity, and ultimately, ecosystem functioning. While grazing represents a complex disturbance, grazing intensity largely determines the effects of grazing on vegetation. Structural and compositional changes in the plant community caused by grazing could have bottom-up effects on species...

Resource Type:

Dissertation

Full Text:

SIX SPECIES OF GRASSLAND SONGBIRD BREEDING AT THE ZUMWALT PRAIRIE PRESERVE IN NORTHEASTERN OREGON