ASIAN JOURNAL OF ANDROLOGY 亚洲男性学杂志(英文版) SCIENCE CHINA PRESS SCIE 1008-682X BIOMEDICAL AND ENVIRONMENTAL SCIENCES 生物医学与环境科学(英文版) CHINESE ACAD PREVENTIVE MEDICINE SCIE 0895-3988
China is a low forest--covered country. The forest inthis country is mainly composed of young and middleaged plantations, and most of natural forests concentrateon remote areas. However, there arc two merits