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Intercontinental Migration Facilitates Continuous Occurrence of the Desert Locust Schistocerca gregaria (Forsk., 1775) in Africa and Asia

文献类型： 外文期刊

作者： Feng, Shiqian 1 ; Shi, Shuai 2 ; Ullah, Farman 3 ; Zhang, Xueyan 4 ; Yin, Yiting 1 ; Li, Shuang 1 ; Nderitu, John Huria 5 ; Ali, Abid 6 ; Dong, Yingying 7 ; Huang, Wenjiang 7 ; Hu, Gao 4 ; Zhang, Zehua 1 ; Tu, Xiongbing 1 ;

作者机构： 1.Chinese Acad Agr Sci, State Key Lab Biol Plant Dis & Insect Pests, Inst Plant Protect, Beijing 100193, Peoples R China

2.Natl Climate Ctr, Beijing 100081, Peoples R China

3.Inst Plant Protect & Microbiol, Zhejiang Acad Agr Sci, State Key Lab Managing Biot & Chem Threats Qual &, Hangzhou 310021, Peoples R China

4.Nanjing Agr Univ, Dept Entomol, Nanjing 210095, Peoples R China

5.Univ Nairobi, Dept Plant Sci & Crop Protect, POB 2905300625, Kangemi, Kenya

6.Univ Agr Faisalabad, Faisalabad 38000, Pakistan

7.Chinese Acad Sci, Aerosp Informat Res Inst, Key Lab Digital Earth Sci, Beijing 100094, Peoples R China

关键词： desert locust; intercontinental migration; wind field; trajectory modelling

期刊名称：AGRONOMY-BASEL （ 影响因子：3.3； 五年影响因子：3.7 ）

ISSN：

年卷期： 2024 年 14 卷 7 期

页码：

收录情况： SCI

摘要： The desert locust, Schistocerca gregaria (Forsk., 1775), stands as one of the most pervasive pests globally, inflicting extensive damage across Asia and Africa. Facilitated by intercontinental migration, the desert locust engages in population exchange between different source areas, perpetuating its widespread proliferation. Despite the wind being recognized as a key factor during migration events, elucidating its precise influence on intercontinental migration has remained elusive. In this study, we scrutinized monitoring data sourced from the FAO monitoring system, pinpointing 13 desert locust events featuring intercontinental migrations since 1967. From these events, four migration routes were summarized, traversing the Red Sea (RS-WE and RS-EW) and the northern Indian Ocean (IO-WE and IO-EW). Typically, RS-WE and IO-EW migrations occurred between December and March, whereas RS-EW and IO-WE migrations were observed from May to June and April to July, respectively. Our examination of wind field data spanning the past 15 years revealed that wind direction and speed facilitated intercontinental migrations. Furthermore, migration trajectory modeling indicated that desert locusts might exhibit migratory behavior both during the day and at night in the cases of RS-WE and RS-EW, with cross-oceanic migration potentially lasting for a week for IO-WE and IO-EW. In summary, our study identifies four migration routes for the intercontinental migration of the desert locust, providing crucial support for the scientific prediction of its occurrence and contributing to international food security efforts.

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