Comparison and fauna analysis of insect species diversity in five natural landscapes of Taihang Mountain,Hebei Province
In this paper,based on the investigation and data summary of insect species in five natural landscapes(Xiaowutai Mountain,Wuyuezhai Mountain,Bulaoqing Mountain,Laoye Mountain and the southern section of Taihang Mountain)from north to south in the Taihang Mountains of Hebei Province for many years,5 945 species of insects,belonging to 353 families,3 046 genera,32 orders and 4 classes,were obtained,and their species composition and diversity composition were analyzed and compared horizontally,the preliminary results were as follows:Lepidoptera and Coleoptera were the main groups of insect species diversity in the Taihang Mountains of Hebei Province.The total number of their species was up to 3 834,accounting for 64.49％of the total number of insects;The genus level constitutes the Sino-Japanese realm(3 046 genera,100％)＞the Palaearctic realm(2 511 genera,82.40％)＞the Oriental realm(1 830 genera,60.07％),The composition in North China was the most significant(100％),at the same time,it was closely related to Palearctic and Oriental.In the zoogeographic regions of China,North China(3 046 genera,100％)＞Central China(2 556 genera,83.91％)＞Mongolia-Xinjiang region(2 404 genera,78.92％),highlighting the composition of North China region(100％),which was closely related to Central China and Mongolia-Xinjiang,followed by Southwest region,Northeast region and Qinghai-Tibet region,with the weakest connection to South China.The G-F index of Coleoptera species diversity in five natural landscapes was analyzed.The highest was Xiaowutai Mountain,and the lowest was Bulaoqingshan Mountain.The overall trend was that the species diversity of Coleoptera decreased with the dimension from north to south.The similarity between Wuyuezhai National Forest Park and Laoye Mountain Forest Scenic Area was relatively high(0.53),which was moderately similar.The similarity between Laoye Mountain and the southern section of Taihang Mountain,Bulaoqingshan Mountain and Laoye Mountain,Wuyuezhai Mountain and Laoye Mountain was slightly similar.The relationship between Xiaowutai and Wuyuezhai,Xiaowutai and Bulaoqing Mountain,Xiaowutai and Laoye Mountain,Xiaowutai and the southern section of Taihang Mountain were extremely different,and several related issues are discussed.
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