摘要
水土流失监测能为水土流失现状评价和发展趋势预测提供基础数据。本文简要介绍了水土保持监测抽样方法,通过确定抽样容量,可满足对大区域进行比较全面的水土保持监测,能够满足分析和评价水土流失及其治理效果。
Soil erosion monitoring provide the basic data for soil erosion assessment of the status quo and development trend forecast. This paper briefly describes the sampling methods for monitoring soil and water conservation, through the identification of sampling volume, for large regions to meet the more comprehensive water and soil conservation monitoring, analysis and evaluation to meet the effects of soil erosion and its control.
出处
《改革与开放》
2010年第5X期98-98,共1页
Reform & Openning
关键词
分层多级随机抽样
成数抽样
抽样单元
Multi-stage stratified random sampling into several sampling sampling units
