摘要
通过设置临时标准地，对常绿阔叶林采伐迹地不同群落类型水源涵养功能进行的研究结果表明：米槠单优群落具有较好的水源涵养功能，其林褥层持水量分别是杉木＋杂灌群落和杉木＋芒萁群落的１．７倍和３．５倍，土壤层持水量分别高８．９９％和９．１８％；米槠单优群落生态系统总持水量达３１３８．９ｔ／ｈｍ２分别比杉木上述两人工林群落高９．１８％和９．７０％．常绿阔叶林采伐后营造杉木人工林，由于受火及降雨浸浊影响，林褥层与土壤层持水性能变差，森林水源涵养功能呈下降趋势．
Water conservation funtion of different forest communities established on the clearcut area in evergreen broad-leaved forests was studied based on temporary sample plot data.The results revealed that the total water-holding capacity of the community dominated by Castanopsis carlesii was 313.89m/hm2 which was 9.18 percent and 9.70 percent greater than that of Chinese fir/shrubs community and Chinese fir/Ditranopteris dichotoma community,respectively.The Water-holding capacity of its forest floor was 1.7 times and 3.5 times that of the two above mixed communities,respectively.The water-holding capacity of Chinese fir Plantation established on the clearcut area in everygreen broad-leavd forests decreased compared with the originalforests for it was susceptible to fire and erosion.
出处
《福建林学院学报》
CSCD
1995年第1期12-16,共5页
Journal of Fujian College of Forestry
关键词
水源涵养功能
森林
群落类型
clearcut area in everygreen broad-leaved forest,community dominated by Castanopsis carlesii,Chinese fir/shrubs community,Chinese fir/Dicranopteris dichotoma,water-conservation function
