Brown planthopper Nilaparvata lugens was concentrated at the rear of the typhoon Soudelor in Eastern China in August 2015

Jian Ma; Ye-Chen Wang; Yan-Yue Hu; Ming-Hong Lu; Gui-Jun Wan; Fa-Jun Chen; Wan-Cai Liu; Bao-Ping Zhai; Gao Hu

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Brown planthopper Nilaparvata lugens was concentrated at the rear of the typhoon Soudelor in Eastern China in August 2015

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Sometimes,extreme weather is vital for the population survival of migratory insects by causing sudden population collapse or outbreak.Several studies have shown that rice planthopper migration was significantly influenced by typhoons in eastern Asia.Most typhoons occur in the summer,especially in August.In August,brown planthopper Nilaparvata lugens (St(a)l) migrates northward or southward depending on wind direction,and thus typhoons can potentially influence its migration process and population distribution.However,this has not yet been studied.This paper reported a case study on the effects of Typhoon Soudelor on the summer migration of N.lugens in eastern China in 2015.The migration pathways of N.lugens were reconstructed for the period under the influence of a typhoon by calculating the trajectories and migration events in eight cotmties of the Yangtze River Valley region with ancillary information.Trajectory modelling showed that most migrants took short distance migrations (less than 200 km) under the influence of the Typhoon Soudelor.Numerous N.lugens migrants were concentrated and deposited at the rear of the typhoon during the last 5 days of Typhoon Soudelor on August 9-13 due to horizontal convergence,and this led to an outbreak population.These results indicated that the N.lugens population was redistributed by the typhoon in the summer and that the population dynamics at the rear of a typhoon should be kept under close surveillance.This study provided insight into migratory organisms adapting to atmospheric features.

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《中国昆虫科学：英文版》 |2018年第5期|916-926|共11页
作者
Jian Ma; Ye-Chen Wang; Yan-Yue Hu; Ming-Hong Lu; Gui-Jun Wan; Fa-Jun Chen; Wan-Cai Liu; Bao-Ping Zhai; Gao Hu;
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作者单位

College of Plant Protection, Nanjing Agricultural University, Nanjing, China;

College of Plant Protection, Nanjing Agricultural University, Nanjing, China;

College of Plant Protection, Nanjing Agricultural University, Nanjing, China;

Division of Pest Forecasting, China National Agro-Tec Extension and Service Centre, Beijing, China;

College of Plant Protection, Nanjing Agricultural University, Nanjing, China;

College of Plant Protection, Nanjing Agricultural University, Nanjing, China;

Division of Pest Forecasting, China National Agro-Tec Extension and Service Centre, Beijing, China;

College of Plant Protection, Nanjing Agricultural University, Nanjing, China;

College of Plant Protection, Nanjing Agricultural University, Nanjing, China;

Centre for Ecology and Conservation, University of Exeter, Penryn, Cornwall, UK;

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Brown planthopper Nilaparvata lugens was concentrated at the rear of the typhoon Soudelor in Eastern China in August 2015

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