克拉玛依植物群落结构和物种多样性研究

Study on Species Diversity and Structure of Plant Communities in Karamay

采用多样性指数,丰富度指数和均匀度指数对克拉玛依植物群落物种多样性进行了研究。结果表明:各群落类型的物种多样性指数的顺序为:梭梭+碱蓬>花花柴、胡杨>碱蓬+麻黄>柽柳>琵琶柴>猪毛菜>梭梭>芦苇>盐节木>白刺+柽柳;灌木和乔木群落多样性指数和丰富度指数大于草本群落,而均匀度指数在乔木,灌木和草本群落中则表现出多样化的趋势。

The species diversity and structure of plant communities in Karamay were studied based on field investigation data and by using diversity, richness and evenness indices. The results showed that the species diversity and evenness of the communities are in the order of Haloxylon ammodendron ＋ Suaeda glauca 〉 Karelinia caspia. Populus euphratica 〉 Suaeda glauca ＋ Ephedra 〉 Tamarix 〉 Reaumuria soengarica 〉 Salsola collina 〉 Haloxy- lon ammodendron 〉 Phragmites australis 〉 Halocnemum strobilaceum 〉 Nitraria ＋ Tamarix. The diversity and richness of shrub layer and the diversity and richness of shrub and arbor community are higher than those of herb community, but the evenness of arbor, shrub and herb community have no significant difference.