摘要
对高寒阴湿地区节肢动物种群在冬、春油菜田群落变化规律进行了调查,采用Shannon-W iener多样性、丰富度、均匀度3个参数,进行统计分析。结果表明:冬、春油菜田节肢动物有39个种,隶属于11个目,29科,主要以鞘翅目、膜翅目和双翅目为主,占62.07%,冬、春油菜节肢动物群落组成不同,其群落丰富度、多样性、均匀度随着不同的生长发育期而呈动态变化,冬油菜区节肢动物多样性指数(H')和丰富度指数(DMA)呈交替变化,它们的均匀度指数(E)>0.4。油菜不同的生长发育时期分布不同的节肢动物种群,其群落优势种为跳甲、茎象甲、蚜虫、潜叶蝇。
The response of different arthropods community to winter and spring rape tields m humid and cold regions were investigated. Shannon-Wiener diversity index, richness index and evenness index were adopted to analyze the data. The results showed that arthropod belong to 11 orders,29 families,39 species and the Coleoptera , Hymenoptera, Diptera are primary order, and it was 62.07 % of the total number. The composition of arthropod community in winter and spring rape field differed with tbe variation in rape growth of different diversity, richness and evenness. The diversity index and the richness index changed alternately, the evenness index were all above 0.4. Different period of rape development attracted different arthropod community and the dominant species were flea beetle, weevil, aphis and leaf miner.
出处
《中国油料作物学报》
CAS
CSCD
北大核心
2009年第2期207-212,共6页
Chinese Journal of Oil Crop Sciences
基金
甘肃省农业综合开发科技推广子项目双低油菜规范化种植技术示范推广
