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试论昆虫种群调查中的两级抽样方法
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摘要:
本文阐述了两级抽样在昆虫种群调查中的应用价值,探讨了简化抽样过程的方法,并推导出不同条件下的两级抽样理论抽样数公式。
关键词:  昆虫种群,两级抽样
DOI:
基金项目:
AN APPROACH TO TWO-STAGE SAMPLING FOR INSECT POPULATION ESTIMATION
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Abstract:
In this paper, promise and simplified methods of two--stage samplingfor estimating insect population density are discussed, and several formulasof theoratical sample size for two-stage sampling on different conditionsare deduced.
Key words:  Insect population,Two-stage sampling

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