水土保持学报2011,Vol.25Issue(2):92-96,5.
闽北不同类型毛竹林水源涵养功能研究
Water Conservation Function of Different Tapes Phyllostachys edulis Forests in Northern Fujian Province
摘要
Abstract
In order to evaluate the service function in water preserving capability of the different tapes Phyllostachys edulis forests, the canopy precipitation interception, litter layer water-holding capacity, soil infiltration characteristics and water holding capacity of three typical P. edulis forests-P. edulis and Cunninghamia lanceolata mixed forest ( Ⅱ ), P. edulis pure forest (Ⅲ) and P. edulis and broad-leaved tree mixed stands(Ⅳ) in the North of Fujian province were studied in comparison with C. lanceolata forest( Ⅰ ) and evergreen broad-leaved forest( Ⅴ ). The results showed that evergreen broadleaved forests had the strongest water preserving capability, followed by bamboo and C. lanceolata mixed stands, however, the P. edulis pure plantation was the poorest. The order of the canopy interception rates in each forest wasV (31.33%)>Ⅱ (28. 17%)>Ⅳ (23.48%)> Ⅲ (22.88%)> Ⅰ (22.29%); the order of litter layers's maximum water-holding capacity in each forest was Ⅰ (26. 8 t/hm2)> Ⅴ (12.1 t/hm2)> Ⅱ (11.3 t/hm2)>Ⅳ (11.1 t/hm2)> Ⅲ(9.2 t/hm2); the order of soil saturated water retaining capacity in each forest wasV (1125.67 t/hm2)>Ⅳ (1064.30 t/hm2)> Ⅱ (1050.60 t/hm2)>Ⅲ(1015.13 t/hm2)> Ⅰ(1008.87 t/hm2); the order of soil infiltration characteristic in each forest wasⅤ>Ⅳ> Ⅱ > Ⅰ > Ⅲ。 Finally, using the method of Topsis to eompare the comprehensive water conservation function of different forest, the result was Ⅴ> Ⅱ > Ⅳ > Ⅰ > Ⅲ.关键词
中亚热带/毛竹林/水源涵养功能/Topsis优劣解距离法Key words
middle subtropics/ Phyllostachys edulis forest/ water conservation function/ Topsis method分类
农业科技引用本文复制引用
刘蔚漪,范少辉,漆良华,刘广路,余林,黄金华..闽北不同类型毛竹林水源涵养功能研究[J].水土保持学报,2011,25(2):92-96,5.基金项目
国家"十一五"科技支撑项目(2006BAD19B0103) (2006BAD19B0103)
国际竹藤网络中心专项资金项目(1632009010,1632009011) (1632009010,1632009011)