Effect of different utilization regimes to the quantitative characteristics of stipa grandis population
2005
Zhao Nianxi, Gao Yubao, Wang Jinlong
Chinese. 研究大针茅草原在中牧区和割草区种群和群落数量特征。结果表明:与割草区相比,中牧区大针茅生殖枝和营养枝 株高和叶长显著减小,生殖枝生物量的分形维数显著增大,营养枝叶片内C/N比显著增加,这是放牧干扰后生长变化的 度量指标;割草区株高呈正态分布而中牧区则为峰值左偏的对数正态分布;中牧区大针茅在群落中的重要性显著增大, 而割草区物种多样性则显著高于中牧区。
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