区域可持续发展能力的能值与㶲耦合分析模型构建
樊新刚,仲俊涛,杨美玲,文琦,马振宁,米文宝

Construction of an emergy and exergy coupling model for the analysis of regional sustainable development capability
FAN Xingang,ZHONG Juntao,YANG Meiling,WEN Qi,MA Zhenning,MI Wenbao
表2 全球不同类型生态系统年生态?产出强度值
Tab. 2 Annual eco-exergy output intensity of different types of ecosystems around the world
生态系统类型(单位) 淡水(河湖) 林地(落叶林) 农田 草原
年生物量(MJ·hm-2·a-1) 11.00 26.40 20.00 7.20
生态?值(GJ·hm-2·a-1) 93500 1000000 420000 18000