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2003年9月上旬,北海市暴发新中国成立以来首次东亚飞蝗虫灾,发生面积超过7000hm2,全市高密度中心小区6处。经自治区内资深专家学者考察研讨,认为北海沿海蝗区属北部湾沿海稀树草原类型,其成因复杂,主要是原生态环境改变,新生态环境未建立,而形成的蝗虫适生环境,在特殊气象因子作用下暴发成灾。并由此提出防治对策。
In early September 2003, Beihai City, the outbreak of New China since the founding of the first East Asian locust insects, the occurrence of an area of more than 7000hm2, the city’s high-density central district 6. Through the study and discussion of senior experts and scholars in the autonomous region, it is believed that the Beihai coastal locust belongs to the Beibu Gulf coastal savannah type. The causes are complex, mainly due to the change of the original ecological environment and the failure to establish a new ecological environment. Meteorological factors under the outbreak of disaster. And put forward prevention measures.