摘要
本文通过历史和现存案例,报告了在生态环境变化中,生态系统内的物种可因食源不断增加、食性改变,食物链中顶极物种和天敌减少、物种发生代换的因素爆发成灾。只有作好生态环境恢复和建设,并施行生物多样性动态管理,才能达到持续有效的控制。
The environmental factors of a bio-pest was analysed with the historic examples.The results show that a pest should broken out as the increased food source, the changed food habit, the reduced super species of the food cycle and natural enemy, the appeared vicarious species.The sostenuto and effectively controlled may achieve by renewed good entironment and dynamic management of biodiversity.
出处
《热带农业科技》
2006年第3期25-28,共4页
Tropical Agricultural Science & Technology
