%0 Journal Article
%T Study on Mass Survey and Value Evaluation of Land-vegetation''s Primary Productivity in Qinba Mountains in Shaanxi Province<br>陕西秦巴山区植被第一性生产物质量与价值量测评研究
%A LI Jing
%A SUN Gen Nian
%A REN Zhi Yuan
%A <br>李晶
%J 生态学报
%D 2002
%I 
%X The biosphere and land vegetations are the material foundation in which human being subsist and develop, and which provide the production of the direct valued resources, such as the food, medicinal materials, original material. Therefore, It is vital sense that the research, mass survey and value evaluation of land vegetation's NPP , can more deeply learn the ecological process and ecological function of the ecosystem. The research of the former kind was much from the nature ecology angle, concerned pro...
%K Qinba Mountains
%K net primary productivity
%K mass
%K value
%K survey and valuation<br>陕西
%K 秦巴山区
%K 植被
%K 第一性生产物质量
%K 价值量
%K 测评
%K 评价
%K 测定
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=FE163E5DB2274E5937319DE98913EC37&aid=315419496A356C26&yid=C3ACC247184A22C1&vid=BC12EA701C895178&iid=59906B3B2830C2C5&sid=B8A3EF22AD26443E&eid=3B38E67927CF4175&journal_id=1000-0933&journal_name=生态学报&referenced_num=2&reference_num=9