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生态学报 2004
Researches on judging model for reasonable utilization of rangelands
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Abstract:
Rangelands have a double function as resources and habitat. Reasonable utilization of rangelands is necessary to support the sustainability of resources and ecological environment. This research considered the responses of tiller density, single tiller weight and tiller number per plant clump of dominant species, Stipa breviflora, Cleistogenes songorica and Allium polyrhizum to grazing systems in Stipa breviflora desert steppe. The experimental treatments were composed of a continuous grazing plot of 340hm~...