文献类型： 外文期刊
作者： Liu, Jun 1 ; Lecoq, Michel 2 ; Zhang, Long 3 ;
作者机构： 1.China Agr Univ, Coll Grassland Sci & Technol, Beijing 100193, Peoples R China
2.French Agr Res Ctr Int Dev, Ctr Biol & Management Populat, F-34398 Montpellier, France
3.Shandong Acad Agr Sci, Jinan 250100, Peoples R China
关键词： Schistocerca gregaria; Tibet; high altitude plateau; invasion route; survival; natural barrier
期刊名称：AGRONOMY-BASEL （ 影响因子：3.417； 五年影响因子：3.64 ）
ISSN：
年卷期： 2021 年 11 卷 11 期
页码：
收录情况： SCI
摘要： Desert locust is an important pest to agriculture. In 2019-2020, a major upsurge originated in the southern Arabian Peninsula and gradually spread to east Africa, then to south-west Asia, as far as Pakistan and India, even reaching Nepal, resulting in major agricultural losses. For the first time, a few swarms entered southern Tibet. Using field observations and experiments, we studied their path to the Tibetan plateau and their behavior at these very high altitudes. The locusts moved up the Tibetan valleys from low-lying areas (1700 m) to much higher elevations (5400 m). The low temperatures and high humidity put them under severe stress; their activities were limited, and they did not survive long or produce local offspring. It is clear that the high-altitude environmental conditions in the Himalayan mountains provided an important natural barrier that limited the northward expansion of the desert locust populations.
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