Chin J Plan Ecolo ›› 2002, Vol. 26 ›› Issue (6): 684-688.

• Research Articles • Previous Articles     Next Articles

The research on valuation of forest ecosystem producing organic matter in Shaanxi

LI Jing, Ren Zhi-Yuan and Sun Gen-N ian   

  • Published:2002-06-10
  • Contact: LI Jing

Abstract: The biosphere and land vegetations are the material foundation on which human being live, and which provide us valued resources, such as food, medicinal materials, and original materials. Therefore, the net primary productivity (NPP) is the main character