Diversity of insect communities with different development phases in natural Populus euphratica forests in Xinjiang
Tóm tắt
An investigation method with sample plots was used to study insect communities in four different growth phases of natural Populus euphratica forests, which are juvenile, middle aged, over-mature and degraded forests, in Tarim, Xinjiang in July, 2005 and April, 2006. In our studies, 5,116 insect specimens, belonging to 12 orders, 61 families and 141 species, were collected. Lepidoptera and Coleoptera were the dominant orders. In middle-aged forests, species, individual numbers and diversity indices of insect communities were higher than those in other woodlands. The species richness and diversity indices were lowest in degraded forests because of extremely scarce vegetation.
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