Journal of Arid Environments · 2001 · 45 citations · 24 references
Life SciencesEcologyZoologyOrnithologyPopulation EcologyWildlife BiologyAnimal EcologyArid Land EcologyBird EcologyGrazing EcologyGrazing IntensityWildlife EcologyArid FlorasGrazing Intensity AnalysisGrazing-habitat InteractionsHerbivore Foraging EcologyLivestock-wildlife InteractionsPopulation Density DependenceUnderstory Species RichnessUngulate Grazing Ecology
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William H. Baltosser, Jerrold H. Zar · Ecology · 1996 · 35.5K citations
Estimating numbers of terrestrial birds
C. John Ralph, J. T. Scott · 1981 · 439 citations
Life Sciences, Ecology, Zoology +12