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立地是指林木生育的环境条件。林木生长除取决于树种的遗传学特性以及其它一些林学特性外,还在很大程度上取决于生育环境条件——立地的好坏,森林立地质量评价的目的在于,用直接或间接的方法,在研究和揭示林木生育与其所在环境条件间的相互关系基础上进行评价。从而为实现适地适树,速生丰产,预估生长和收获和制定林分的最佳经营措施等诸方面提供科学的基础评定数据。
Site refers to the environmental conditions of forest fertility. In addition to depending on the genetic characteristics of tree species and other forest features, tree growth depends largely on the conditions of fertility - site quality, the purpose of forest site quality evaluation is to use direct or indirect methods, Based on the research and revealing the relationship between forest tree growth and its environmental conditions, Thus providing scientifically based assessment data for areas such as the right tree species, fast-growing, predictive growth and harvesting, and the best management practices for setting up stands.