河北省东亚飞蝗发生动态及未来灾变趋势分析
Analysis of population dynamics and trends of future outbreaks of the Oriental migratory locust in Hebei.
任春光1;唐铁朝2
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作者单位:1.河北省安新县植保站,安新071600;2.河北省植保总站,石家庄050011
中文关键词:东亚飞蝗;发生动态;河北省
英文关键词:Oriental migratory locust; population dynamics; Hebei Province
中文摘要:80年代以来 ,尤其进入 90年代 ,由于受异常气候、农业生态及人为因素的影响 ,河北省东亚飞蝗Locustamigratoriamanilensis (Meyen)出现了暴发频次增加、发生期提前、秋蝗发生加重、潜在和隐伏蝗区突发等特点。作者分析了50年来影响河北省东亚飞蝗发生动态的 5种因素 :气
英文摘要:Since the 1980's and especially the 1990's, outbreaks of the Oriental migratory locust in Hebei Province have increased in frequency, with outbreaks o ccurring earlier in the season. These changes are probably due to the influence of abnormal climate, a