Using state and trend analysis to assess ecological security for the vulnerable agricultural ecosystems of Pengyang County in the loess hilly region of China
Zhu, Zhan-qiang, Liu, Li-ming, Zhang, Jun-lianVolume:
16
Language:
english
Journal:
International Journal of Sustainable Development & World Ecology
DOI:
10.1080/13504500902749210
Date:
April, 2009
File:
PDF, 1.26 MB
english, 2009