对林木生长意义重大的环境条件的总体。所谓环境条件,指林业用地一定地段上,通过气候、地质、地貌、土壤、水文等所决定的那些环境条件。这些环境条件在观察期中,多少保持不变,或者是有规律的反复重复出现,但不是通过林木生存竞争互相之间决定的那些条件。
关键词 广东 海岛 森林立地 营林措施 [gap=5889]Key words Guangdong , islands , forest site , step of forest management
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传统方法用主成分分析、逐步回归分析和数量化理论来实现对森林立地进行分类和评价。
Traditional method analyze, return to with main composition analysis with quantity theory come, realize, set up to forest type go on, divide and appraise progressively.
划分森林立地类型,综合评价林地质量,是适地适树,科学地进行营造林和预测森林生产力的基础。
Dividing the forest site type, comprehensive appraisal the quality of forest land are the bases to match species with the site, scientifically mange and afforest and predict productivity.
结果表明,在森林立地质量评价的诸多方法之中,直径生长潜力仍然不失为一种应用简便和行之有效的方。
The results showed that: among the appraisal methods of forest site quality, diameter growth potential was still a practical and effective measure.
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