天然更新的英文

natural formation of woods

natural regeneration

natural rent of land

self-restoration

例句与用法

Thoughts on the natural regeneration of larix gmelinii rupr
对兴安落叶松天然更新的思考
Natural regeneration condition in pinus koraiensis broad - leaved mixed forest
长白山红松阔叶混交林森林天然更新条件的研究
The results show that the main foctor that affects the natural regeneration is elevation , and the coverages of litter and brushwood were next
结果表明，影响该区森林天然更新的主要因素是海拔高度，其次是灌木层盖度和枯落物层的盖度。
Based on the investigation on the structure and niches of secondary forests in jiulongkeng , guangze , fujian province , the distribution law was studied and natural succession tendency was worked out for primary arbors and shrubs in different slope direction , which provides scientific fundamental for artificial stimulating natural regeneration
摘要通过对福建光泽九龙坑不同坡向天然次生林的林分组成和生境的调查，研究主要乔灌木树种在不同坡向林分中的分布规律，分析出不同坡向林分的天然演替趋势，为人工促进天然更新提供科学依据。