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[1]BAO Yuhai,GUO Feng,HU Baosheng,et al.Assessment on the Effect of the Afforestation With Willow Along the Reservoir Riparian Zone in the Dry Valley Area of Southwest China[J].Research of Soil and Water Conservation,2018,25(05):216-219.

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Assessment on the Effect of the Afforestation With Willow Along the Reservoir Riparian Zone in the Dry Valley Area of Southwest China

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 25 Number of periods: 2018 05 Page number: 216-219 Column: Public date: 2018-09-06

Title:: Assessment on the Effect of the Afforestation With Willow Along the Reservoir Riparian Zone in the Dry Valley Area of Southwest China

Author(s):: BAO Yuhai¹, GUO Feng², HU Baosheng³, WANG Jianhua³, HE Xiubin¹, ZHANG Shujuan^1,4; 1. Key Laboratory of Mountain Surface Processes and Ecological Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China;
2. Soil and Water Conservation ureau of Sichuan Province, Chengdu 610041, China;
3. Daqiao Hydropower Developing General Corporation of Liangshan Prefecture, Xichang, Sichuan 615000, China;
4. University of Chinese Academy of Sciences, Beijing 100049, China

Keywords:: reservoir riparian zone; revegetation; willow; growth performance

CLC:: S727.26;S157.2

DOI:: -

Abstract:: The selection of suitable plants is the key point to revegetation in the reservoir riparian zone. In order to assess the feasibility and effect of the afforestation with willow along the reservoir riparian zone in the dry valley area of southwest China, a case study was conducted on the revegetated land along the riparian zone of Daqiao reservoir in Liangshan prefecture by investigating the survival rate, preserving rate, and growth performance in the different site conditions. Meanwhile, the effect of soil conservation measures was monitored by the technique of erosion pins. The results showed that:(1) willow had a higher survival rate and preserving rate in the different site conditions of the Daqiao reservoir riparian zone, which were 98% and 96%, respectively; (2) the growth performance of the willow was affected by the soil conditions, which ranked brown soil, yellow-brown soil, and red soil; (3) the growth performance of willow decreased with the increase of submerge depth, and the willow had best growth in the area inundated less than 5 meters; (4) stone barricade was more suitable for the steep slope with more than 15 degrees. It prevented the soil loss from the planting hole, and had an erosion reduction efficiency of 75%.

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