Rainfall Redistribution and Its Influencing Factors of Pinus Yunnanensis Forest, Mopan Mountain

摘要

In this paper, we monitored the atmospheric rainfall, throughfall, stemflow and canopy interception data of Pinus yunnanensis on Mopan in June-August of 2014. The redistribution characteristics of typical forest stands to atmospheric rainfall and its related factors were also comprehensively analyzed. The results showed that during the study period, total rainfall outside the forest was 497.4mm, and canopy interception, throughfall and Stemflow accounted for 6.65%, 90.78% and 0.068% of total rainfall outside the forest respectively. The critical value of rainfall from Pinus stemflow was 6.7mm. Through our analysis, the factors that affected the crown interception on Pinus were: Fractal dimension> angle scale> rainfall> neighborhood comparison> tree height > breast height> density.