1.College of Resources and Environment,Northwest A&F University,712100,Yangling,Shaanxi;2.Reseach Institute of Forestry,Chinese Academy of Forestry Science,100091,Beijing: China
Abstract:Based on the field measurement of soil water by Neutron probe and oven dry method,the dynamics distribution of soil water in horizontal and vertical directions at edge belts were analyzed for two typical vegetation compound boundary:crop plant-fruit tree boundary(Triticum aestivum Linn.-Malus pumila Mill.) and coniferous forest-broadleaf forest boundary(Pinus tabulaeformis Carr.-Robinia pseudoacacia Linn.),and the distance of edge influence were also studied by using moving split-window techniques.The results showed that the soil water content of Triticum aestivum Linn.is higher than Malus pumila Mill.'s,and the soil water content of Robinia pseudoacacia Linn.is higher than Pinus tabulaeformis's.The distance of edge influence of compound boundary to soil water content was mainly affected by root distribution of plant at edge belts,which was variety with the depth in the soil layer.The distance of edge influence to soil water content at soil depth of 0-60 cm,80-120 cm and 140-200 cm were 8 m & 6 m,8 m & 2 m and 4 m & 4 m for Triticum aestivum Linn.-Malus pumila Mill.compound boundary,respectively,and that of 0-80 cm,100-160 cm were 6 m & 8 m,4 m & 6 m for Pinus tabulaeformis Carr.-Robinia pseudoacacia Linn.compound boundary,respectively.
朝鲁蒙1;王进鑫1;侯琳1;张劲松2. 黄土高原不同植被复合边界土壤水分分布及影响域研究[J]. 中国水土保持科学, 2007, 5(3): 28-32.
CHAO Lu-Meng-;Wang-Jin-Xin-;Hou-Lin-;Zhang-Jin-Song. Distribution of soil water and distance of edge influence at different vegetation compound boundary. SSWCC, 2007, 5(3): 28-32.