新疆玛纳斯麻黄生态保护区植物群落特征及其多样性分析

以重要值为测度指标,选择反映群落物种多样性、丰富度和均匀度的7个测定指数,对玛纳斯平原林场麻黄生态保护区植物群落的物种多样性研究。结果表明:在整个研究区荒漠植物群落中,中麻黄、百刺、蛇麻黄和骆驼蓬等物种有较高的重要值,而草本植物的重要值较低;麻黄种群在样地中属优势种,且进一步发展的趋势明显,减少人为干扰,麻黄种群自然恢复较快。

Characteristics and the Diversity of the Plant Community in Ephedra Ecological Protection Zone of Manasi, Xinjiang

even measuring indices indicating the community species diversity,richness,and evenness were chosen to analyze the species diversity of desert plant communities in Ephedra ecological protection zone of Manasi Xinjiang by taking the importance value as the measuring index.The results were as follows:The importance values of Ephedra intermedia,Nitraria roborowskill,Ephetra distachya,Peganum harmala are higher in the study area,but that of the herb plants are lower;Ephedra community is the dominant population and it development is fast.Nature recover of Ephedra community is faster when human disturbance is reduced.