Key Laboratory of Soil and Water Conservation and Desertification Combating,Ministry of Education,Beijing Forestry University,Beijing 100083,China;
Key Laboratory of Soil and Water Conservation and Desertification Combating,Ministry of Education,Beijing Forestry University,Beijing 100083,China;
Key Laboratory of Soil and Water Conservation and Desertification Combating,Ministry of Education,Beijing Forestry University,Beijing 100083,China;
ecology; RENI; distribution; root layer; root diameter grade; phytocommunity; rehabilitation field;