摘要
以月亮山水源涵养林建设区为调查地点,对不同年份分布在不同坡向和坡位的草、灌木、人工林和天然林的生长量及覆盖度(郁闭度)进行了调查与分析。结果表明:半阴半阳坡的坡中部适合草生长,阴坡的坡上部适合灌木生长,阴坡的坡下部适合云杉生长,半阴半阳坡的坡上部适合天然林恢复。
An investigation of growth and coverage of grass, shrubs, plantations and natural forest, distributing at different aspect and slope site, was conducted in the building area of water conservation forest in the Moon Mountain, Guyuan, Ningxia, China. The result shows that the middle of half - sunny and half - shade slope is suitable for grass growth, top of shady slope is suitable for shrub growth, the down part of shady slope is adapted for spruce growth, and the top of half- sunny and half- shade slope is adapted for natural forest regeneration.
出处
《吉林林业科技》
2009年第2期5-10,共6页
Journal of Jilin Forestry Science and Technology
关键词
水源涵养林
植物种类
坡向
坡位
防护效益
water conservation forest
plant species
slope aspect
slope site
protection benefit