生态经济系统能值分析——以北京密云县为例
周连第,胡艳霞,严茂超,董孝斌,吴志强,魏长山
Emergy Evaluation of Miyun County as the Ar ea of Water shed Conservation for Beijing
ZHOU Liandi,HU Yanxia,YAN Maochao,DONG Xiaobin,WU Zhiqiang,WEI Changshan
地理科学进展
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2006, (5): 94
-104
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DOI: 10.11820/dlkxjz.2006.05.021
