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森林更新
释义
森林更新
Encyclopedia
农学
〔森林主伐与更新〕
释
forest regeneration
森林更新
天然林或人工林经过采伐、火烧或因其他自然灾害等原因,导致整个林分消失或部分林木消失后形成采伐、火烧或其他迹地,在这些迹地上通过人力或自然力作用恢复森林或更替部分林木形成新一代森林的过程。及时进行森林更新,是维持和扩大森林资源,保护森林生态环境的主要途径,也是调整现有森林、实现森林可持续经营的基础。
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Principle of Exegetics
principle of exercising the civil jurisdiction independently
principle of ex officio
principle of extension
principle of extensionality
principle of extension of domain
principle of fairness
principle of faunal succession
principle of Fermat
principle of final common path
principle of free provenance
principle of frequency modulation measurement
principle of functoriality
principle of general covariance
principle of general elimination of quantitative restriction
principle of general relativity
principle of geometric reverse
principle of geophysical exploration
principle of global governance
principle of good faith and honesty
principle of hard and soft acids and bases
principle of hard and soft acids and bases (HSAB principle)
principle of harmonic measure
principle of health maintenance with drugs
Principle of historical cost
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