6MACARTHUR R. Fluctuations of animal populations and ameasure of community stability [J]. Ecology, 1955, 36: 533- 536.
7NAEEM S, LI S. Biodiversity enhances ecosystem reliability [J]. Nature, 1997, 390: 507-509.
8TILMAN D, REICH P B, KNOPS J M H. Biodiversity and ecosystem stability in a decade-long-term grassland and ex- periment [J]. Science, 2006, 441: 629-632.
9VANKOOTEN G C. Economics of conservation biology: A critical review [J]. Environmental Science & Policy, 1998, 1: 13-25.
10ZHANG Y, LI Y. Valuing or pricing natural and environmental resources [J]. Environmental Science & Policy, 2005, 8: 179-186.
