Disaster locust

灾蝗───Disaster locust

Locust disaster area is positively correlated with drought index in North China before 1949A.───年前我国华北地区蝗灾的面积与干旱指数成正相关。

This is West Africa's biggest locust disaster in 15 years.───这次蝗灾是西部非洲15年以来最大的灾害。

In the south of Shanxi province, the locust occurred two generations every year, which was eruptive locust disaster.───在山西南部猖獗区每年发生两代，其灾变类型属于暴发性蝗灾。