Three Gorges Dam Operation Altered Networks of Social–Economic–Ecological System in the Yangtze River Basin, China

It is necessary to review changes in the interactions of indicators following construction Three Gorges Dam (TGD) order explore impact dam on ecology. Research among comprehensive social–economic–ecology system Yangtze River Basin limited, and objective this study was investigate how changed after operation TGD, as well contributed change. Here, correlational network approach using 38 data point from 1949 2018 applied analyze indicator before TGD operation. The impoundment altered networks social–economic–ecological Basin. Indicators are both less positively negatively connected. number synergy trade-off clusters two (Modularity = 0.33) -six 0.23) 0.015) four 0.34) operation, indicating that sustainable development might be at a middle level Further analysis revealed mean annual discharge, downstream fry runoff, counts eggs larvae carp, diatom abundance index, breeding population Chinese sturgeon, precipitation more 2003.