摘要
采用样线法和样方法对凉山州冕宁县冶勒乡省级自然保护区垂枝香柏群落127个样方进行调查,结果表明,垂枝香柏种群内个体年龄最小值为4.8 a,最大值为679.3 a,平均年龄为266.5 a。保护区垂直香柏种群属下降型种群,种群的死亡率大于出生率。
The sampling line method and sampling square method were adopted to investigate 127 sample plots of Sabina pingii communities in Yele Reserve of Mianning County in Liangshan Prefecture. The results showed that the youngest individual was 4.8 years old, the oldest 679.3, and the average was 266.5 in the Sabina pingii population. The population is decreasing, with death rate more than birthrate.
出处
《福建林业科技》
北大核心
2008年第1期135-139,共5页
Journal of Fujian Forestry Science and Technology