Rates of vegetation change associated with prairie dog ( Cynomys ludovicianus ) grazing in North American mixed-grass prairie
作者： M. G. Garrett , James K. Detling , Steve Archer
DOI: 10.1007/BF00039837
关键词: Ecology 、 Mixed grass prairie 、 Plant ecology 、 Grazing pressure 、 Biology 、 Prairie dog 、 Cynomys ludovicianus 、 Stipa 、 Grassland 、 Grazing
摘要: A prairie dog (Cynomys ludovicianus) colony with a known history of habitation was studied to quantify the effects herbivory on plant species composition, dominance, stature and diversity in North American mixedgrass prairie. Gradient analysis used relationship between community structure, density, burrow density document community-level responses plants subjected heavy grazing pressure. The results type, rate extent change which populations communities may undergo response differential variously tolerant defoliation.
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