防治措施对苹果园昆虫群落结构及其稳定性的影响

STUDIES ON THE INFLUENCES OF MANAGEMENT STRATEGIES ON THE COMMUNITY STRUCTURE AND STABILITY OF INSECT COMMUNITY ON APPLE PLANTATIONS

本文研究分析了自然控制（不防治）、常规化学防治、综合治理三种技术措施的 应用对苹果园昆虫群落结构及其多样性、稳定性的影响．结果表明：综合治理 技术的实施可使昆虫群落物种丰富度增加，多样性、均匀度指数提高，害虫个 体数减少，天敌数与害虫数（种数和个体数）之比提高，群落结构稳定性增强．

In this paper, the influences of 3 kinds of management strategies (natural control, integrated pest management. chemical control) on the community structure. diversity and stability of insect community are studied. The abundance degree is increased; diversity and evenness are raised; indivedual amount of destructive is reduced. The ratio of natural enemies insect and destructive (Species and indivedual amount) are raised; stability of community structure is strengthened in insect community on apple plantation.