首页|Potential Geographic Distribution of Oriental Fruit Fly in Jiangxi Province
Potential Geographic Distribution of Oriental Fruit Fly in Jiangxi Province
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NETL
NSTL
万方数据
维普
[Objective] The aim was to effectively monitor and manage oriental fruit fly. [Method] Maxent model and ArcGIS were used to predict potential geographic distributions of the oriental fruit fly based on associations between known occurrence records and a set of environmental variables. [Result] The suitable areas for Bactrocera dorsalis infestations were mainly restricted to central and southern Jiangxi Province, with Latitude ranged from 24 to 28°N. Northeast Jiangxi, Northwest Jiangxi and the regions bording upon Yangtse River were predicted as unsuitable for Bactrocera dorsalis. The fit for the model as measured by AUC was high, with value of 0.978 for the training data and 0.965 for the test data, indicating the high level of discriminatory power for the Maxent. A jackknife test in Maxent indicated that mean temperature of coldest quarter with highest gain value was the most important environmental variable that restricted the expansion to north Jiangxi Province. [Conclusion] Further research into the biology of the species and their ability to overcome barriers was necessary to explain niche differentiation and better understand invasion risk.
Fruit flyBactrocera dorsalisEcological niche modelPotential distributionMaxent
LIU Jian-hong、XIONG Xiao-zhen、PAN Yong-zhi、XIONG Zhong-ping、YANG Li-ying
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Xinyu University, Xinyu 338000
Key Laboratory of Forest Disaster Warning and Control, Southwest Forestry University, Kunming 650224
Technology Project Sponsored by Jiangxi Provincial Education OfficeProjects of Yunnan Key Subjects "Forest Protection"
NETL
NSTL
万方数据
维普
