Objective To investigate the species composition and distribution of small animals in Qiaojia county, Yunnan province, China, and to supplement the species and distribution data of local small mammals. Methods In October 2017, eight townships in five elevation zones (Ⅰ-Ⅴ, 800-3 000 m) in Qiaojia county were selected as the survey sites. The cage and clip trapping methods were used to capture small mammals in two habitats (farming areas and residential areas). The Shannon-Wiener diversity index was used to perform the analysis. The Chi-square test was used to compare the capture rate between different habitats and different elevation zones. Results A total of 525 small animals were captured, which belonged to 22 species from 11 genera, 5 families, and 3 orders. Apodemus chevrieri (31.24%), Niviventer confucianus (14.10%), and Anourosorex squamipes (11.43%) were the dominant species. The capture rates in farming and residential areas were 20.98% and 1.00%, respectively, with a statistical difference (χ2=319.981, P<0.001). There was a statistical difference in capture rate between the five elevation zones (χ2=90.272, P<0.001), among which zone V (2 500 m-) had the highest capture rate (33.15%). In the elevation zones Ⅰ-Ⅲ, the richness of small mammals presented an increasing trend with an increase in elevation. The elevation zone Ⅲ(1 500 m-) had relatively high diversity index and evenness index. The elevation zone Ⅴ (2 500 m-) had the highest dominance index. Conclusion The richness of small mammals is similar in elevation zones Ⅲ, Ⅳ, and Ⅴ, and shows an increasing trend with an increase in elevation within elevation zones Ⅰ-Ⅲ in Qiaojia county. Different habitats and elevation zones have different species compositions of small mammals. In farming areas, A. chevrieri, N. confucianus, and A. squamipes were the dominant species; in residential areas, Rattus norvegicus and R. tanezumi are more captured.
PU En-nian, SHAO Zong-ti, DUAN Xing-de, GAO Zi-hou, LI Yu-qiong, FAN Rong, WANG Ting-qing, DONG Wan-xian, WANG Fu-gui, XIE Zheng-min
. Species composition and distribution of small mammals in Qiaojia county, Yunnan province, China[J]. Chinese Journal of Vector Biology and Control, 2021
, 32(4)
: 447
-450
.
DOI: 10.11853/j.issn.1003.8280.2021.04.012
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