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沙漠蝗入侵我国西藏边境地区的路线分析

引用本文：冯士骞,石帅,李霜,胡高,董莹莹,李志红,涂雄兵,张泽华.沙漠蝗入侵我国西藏边境地区的路线分析.植物保护学报,2022,49(6):1771-1776

DOI：10.13802/j.cnki.zwbhxb.2022.2021224

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作者	单位	E-mail
冯士骞	中国农业科学院植物保护研究所, 植物病虫害生物学国家重点实验室, 北京 100193 中国农业大学植物保护学院植物生物安全系, 北京 100193
石帅	国家气候中心, 北京 100081
李霜	中国农业科学院植物保护研究所, 植物病虫害生物学国家重点实验室, 北京 100193
胡高	南京农业大学植物保护学院, 南京 210095
董莹莹	中国科学院空天信息创新研究院, 数字地球重点实验室, 北京 100094 中国科学院大学, 北京 100049
李志红	中国农业大学植物保护学院植物生物安全系, 北京 100193
涂雄兵	中国农业科学院植物保护研究所, 植物病虫害生物学国家重点实验室, 北京 100193	xbtu@ippcaas.cn
张泽华	中国农业科学院植物保护研究所, 植物病虫害生物学国家重点实验室, 北京 100193	zhangzehua@caas.cn

中文摘要:为明确沙漠蝗Schistocerca gregaria入侵我国西藏自治区边境地区的路线，利用基于气象研究与预报模型的昆虫三维轨迹分析程序，结合沙漠蝗的飞行行为参数和气象资料，对其入侵时的迁飞路径及低空气流特征进行分析。结果表明，2020年6月，西南季风和热带气旋所产生的西南低空急流持续贯穿我国藏南边境，为沙漠蝗迁飞提供了便利条件，其中6月27日以后的气流适合邻国沙漠蝗虫源入侵我国，且与沙漠蝗入侵我国西藏自治区边境地区的实际时间一致。进一步对虫源地进行分析，发现入侵我国的沙漠蝗种群有效虫源地主要分布在尼泊尔中西部。

中文关键词:沙漠蝗藏南边境入侵迁入路径风险气候背景

Migratory routes of the desert locust Schistocerca gregaria to Tibet, China

Author Name	Affiliation	E-mail
Feng Shiqian	State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academyof Agricultural Sciences, Beijing 100193, China Department of Plant Biosecurity, College of Plant Protection, ChinaAgricultural University, Beijing 100193, China
Shi Shuai	National Climate Center, Beijing 100081, China
Li Shuang	State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academyof Agricultural Sciences, Beijing 100193, China
Hu Gao	College of PlantProtection, Nanjing Agricultural University, Nanjing 210095, Jiangsu Province, China
Dong Yingying	Key Laboratory of DigitalEarth Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China University of Chinese Academy of Sciences, Beijing 100049, China
Li Zhihong	Department of Plant Biosecurity, College of Plant Protection, ChinaAgricultural University, Beijing 100193, China
Tu Xiongbing	State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academyof Agricultural Sciences, Beijing 100193, China	xbtu@ippcaas.cn
Zhang Zehua	State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academyof Agricultural Sciences, Beijing 100193, China	zhangzehua@caas.cn

Abstract:To determine the invasive routes of the desert locust, Schistocerca gregaria, into the border of the Tibet Autonomous Region of China, the atmospheric circulation field and its invasion routes were analyzed using the 3D track analysis program based on weather research and forecasting (WRF) model combined with the flight parameters of locust and meteorological data. The results showed that a strong low-level jet from the southwest caused by southwest monsoon and tropical cyclone went across the southwest border of Tibet, China in June 2020, facilitating the invasion of S. gregaria. Specifically, the low-level jet appearing after June 27 accelerated the invasion of S. gregaria into Tibet, China, and this time point was consistent with the actual invasion records. Further analysis of backward trajectories indicated that these invasive populations of S. gregaria originated from the middle and the west of Nepal.

keywords:desert locust south border of the Tibet Autonomous Region invasion invasion route risk atmospheric circulation

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