ISSN 1003-8280 CN 10-1522/R 中国疾病预防控制中心 主办
Chinese Journal of Vector Biology and Control >
Horizontal pattern and correlation with meteorological factors on mosquito diversity in the arid wetlands in north of Xinjiang Uygur Autonomous Region
Received date: 2015-04-28
Online published: 2015-10-20
Supported by
Supported by the National Natural Science Foundation of China (No. 31270466)
Objective To better understand the changes of mosquito biodiversity patterns along latitude gradient in arid wetlands of north of Xinjiang, and explain the correlation between species abundance and environment through redundancy analysis(RDA). Methods Mosquitoes were collected from 5 arid wetlands with CO2 light-trap, and α biodiversity index, β biodiversity index were estimated with consideration of latitude increase, and relation between species abundance and environment was analyzed by RDA ordination. Results A total 20 731 mosquitoes of 16 species in 5 genera were collected in subject area, and Aedes vexans which accounted for 55.98% of total captured was the predominant species in arid wetlands of north Xinjiang Uygur Autonomous Region. The indices of 5 wetlands, from south to north, were 8, 11, 5, 9, 8 for richness, 1.23, 1.11, 0.24, 0.57, 0.35 for Shannon-Weiner index, and 0.59, 0.46, 0.15, 0.26, 0.17 for Pielou index, respectively. And the Cody index was 5.5, 4.0, 2.0, 2.5, between two wetlands neighbored respectively. And eigenvalues were 0.510, 0.256, 0.142, 0.078, species-environment correlations were 0.999, 0.999, 0.995, 0.996, for 4 axes respectively, and Monte Carlo permutation tests were significant statistically for each axis(P<0.01. Conclusion Aedes vexans was the predominant species in arid wetlands of north frontier of Xinjiang Uygur Autonomous Region. Both α biodiversity index and β biodiversity index showed overall decline with increasing latitude, and no obvious change was observed through γ biodiversity analysis. Precipitation had the most significant impact on abundance, followed by temperature and light hours. And comprehensive effect of meteorological variables contributed to the pattern of species abundance in 5 wetlands in north of Xinjiang.
Key words： Arid wetland; Mosquitoes; Diversity; Meteorological factors; Redundancy analysis
LI Hai-long, YUAN Jiang-ling, ZHANG Gui-lin, ZHENG Zhong, YIN Xiao-ping, SUN Xiang, LIU Xiao-ming . Horizontal pattern and correlation with meteorological factors on mosquito diversity in the arid wetlands in north of Xinjiang Uygur Autonomous Region[J]. Chinese Journal of Vector Biology and Control, 2015 , 26(5) : 458 -463 . DOI: 10.11853/j.issn.1003.4692.2015.05.007
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