Key Laboratory for Soil and Water Conservation & Desertification Combating of Ministry of Education,School of Soil and Water Conservation,Beijing Forestry University,Beijing 100083,China;
Fourth Survey and Design Institute of China Railways,Wuhan 430063,China;
Key Laboratory for Soil and Water Conservation & Desertification Combating of Ministry of Education,School of Soil and Water Conservation,Beijing Forestry University,Beijing 100083,China;
Key Laboratory for Soil and Water Conservation & Desertification Combating of Ministry of Education,School of Soil and Water Conservation,Beijing Forestry University,Beijing 100083,China;
Research Institute of Forestry,Chinese Academy of Forestry,Beijing 100091,China;
Academy of Forestry Planning and Design,State Forestry Administration,Beijing 100714,China;