Aquatic ecological integrity assessment of four large lakes in the middle-to-lower reaches of the Yangtze River, China Advances in Assessment of Ecosystem Health An intellectual enquiring about ecological restoration and recovery, their scientific implica-tion and approach On the biodiversity and the ecological integrity of Wulingyuan district, Hu′nan Province Ecological misunderstanding,integrative approach,and potential industries in circular economy transition Parallel analysis of ecological footprint and regional ecological capacity: a case study for Xinjiang