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Estimation of climate-induced increased risk of Centaurea solstitialis L. invasion in China: An integrated study based on biomod2

文献类型： 外文期刊

作者： Jia, Tao 1 ; Qi, Yuhan 2 ; Zhao, Haoxiang 2 ; Xian, Xiaoqing 2 ; Li, Jianyu 3 ; Huang, Hongkun 1 ; Yu, Wentao 4 ; Liu, Wan-xue 2 ;

作者机构： 1.Minist Agr & Rural Affairs, Rural Energy & Environm Agcy, Beijing, Peoples R China

2.Chinese Acad Agr Sci CAAS, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing, Peoples R China

3.Fujian Acad Agr Sci, Inst Plant Protect, Fuzhou, Peoples R China

4.Technol Ctr Fuzhou Customs, Fujian Key Lab Technol Res Inspect & Quarantine, Fuzhou, Peoples R China

关键词： Centaurea solstitialis; climate change; ensemble model; invasive alien plants; potential geographical distribution

期刊名称：FRONTIERS IN ECOLOGY AND EVOLUTION （ 影响因子：3.0； 五年影响因子：3.8 ）

ISSN： 2296-701X

年卷期： 2023 年 11 卷

页码：

收录情况： SCI

摘要： IntroductionInvasive alien plants (IAPs) are major hazards to biodiversity, human health, and the agricultural economy. As one of the most aggressive species of IAPs, the distribution area of Centaurea solstitialis L. has increased exponentially in the past two years since its invasion into Xinjiang, China, in July 2014. Predicting the potential geographic distributions (PGDs) of C. solstitialis in China can provide theoretical support for preventing the continued spread of this weed. MethodsIn this study, based on 5,969 valid occurrence records of C. solstitialis and 33 environmental variables, we constructed an ensemble model to predict suitable habitats for C. solstitialis under climate change scenarios. ResultsOur results showed that the mean true skill statistic (TSS) values, area under the receiver operating characteristic (ROC) curve (AUC), and Cohen's Kappa (KAPPA) for the ensemble model were 0.954, 0.996, and 0.943, respectively. The ensemble model yielded more precise predictions than those of the single model. Temperature seasonality (Bio4), minimum temperature of the coldest month (Bio6), precipitation of the driest month (Bio14), and human influence index (HII) have significantly disrupted the PGDs of C. solstitialis in China. The total (high) suitability habitat area of C. solstitialis in China was 275.91 x 10(4) (67.78 x 10(4)) km(2), accounting for 71.26 (7.06)% of China. The PGDs of C. solstitialis in China under the current climate were mainly in East China (Shandong, Jiangsu, Shanghai, Zhejiang, and Anhui), Central China (Henan, southwestern Shanxi, southern Shaanxi, southern Gansu, Hubei, Hunan, Jiangxi, Chongqing, and Guizhou), and South China (southern Tibet, eastern Sichuan, Yunnan, Guangxi, Guangdong, Fujian, and Taiwan). Under future climate scenarios, the total suitability habitat area for C. solstitialis will expand, whereas the high suitability habitat area will decrease. DiscussionThe main manifestation is that the shift of southeast China into a moderate suitability habitat, and the total suitability habitats will be extended to northwest China. More focus needs to be placed on preventing further spread of C. solstitialis in northwest China.

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