[1]ZHAO Yang-yi,DU Xu.Study on Soil Infiltration Capability under Different Vegetation Models in Rocky-Desertification Areas of Karst in Eastern Part of Yunnan Province[J].Research of Soil and Water Conservation,2014,21(04):45-49.

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Study on Soil Infiltration Capability under Different Vegetation Models in Rocky-Desertification Areas of Karst in Eastern Part of Yunnan Province

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 21 Number of periods: 2014 04 Page number: 45-49 Column: Public date: 2014-08-28

Title:: Study on Soil Infiltration Capability under Different Vegetation Models in Rocky-Desertification Areas of Karst in Eastern Part of Yunnan Province

Author(s):: ZHAO Yang-yi¹, DU Xu²; 1. College of Environment Science and Engineering, Southwest Forestry University, Kunming 650224, China;
2. College of Forestry, Southwest Forestry University, Kunming 650224, China

Keywords:: karst; rocky-desertification; soil infiltration capability; vegetation restoration morel; eastern part of Yunnan Province

CLC:: S715.3

DOI:: -

Abstract:: Cutting ring infiltration method was used to quantitatively measure the soil infiltration capacity under 4 kinds of different vegetation models in rocky-desertification areas of the karst in eastern part of Yunnan Province. The results indicated that: (1) the infiltration capability of all forest plots was higher than that of bare land, the conifer initial infiltration rate of the 0—20 cm soil layer to the maximum mode were the best, and the steady infiltration rate, the average penetration rate and 60min total penetration of the shrub and grass vegetation patterns are superior to other modes; the indicators of the 20—40 cm of the coniferous forest mode could be the largest, followed by mixed coniferous mode, shrub and grass and broadleaf forest pattern mode; (2) the soil infiltration capability values were significantly different in different vegetation models and different soil layers in the same model. (P=0.003,P=0.046); (3) a common empirical infiltration model and Kostiakov model could describe the best performance on the infiltrating processes in the eight forest models, followed by the Philip model and the Horton model.

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