Overcome the limited factors and promote the development of ecological agriculture Implementation ecological civilization and promoting development of ecological sciences The progress of ecological civilization construction and its indicator system in China Evaluation of ecological economy index in the poyang lake ecological economic zone Theoretical considerations on ecological civilization development and assessment New progress of land resources studies and related developmental tendencies in China Integrating ecological civilization into social-economic development An evaluation index system for ecological civilization construction in megacities and its research applications: the case of Wuhan City An integrated indicator on regional ecological civilization construction