College of Life Sciences,Southwest China Normal University,Chongqing 400715,China;
The State Education Ministry's Key Laboratory for the Ecoenvironment of Three Gorges Reservoir Area,Southwest China Normal University,Chongqing 400715,China;
Three Gorges ReservoirArea; hydro-fluctuation belt; Taxodium ascendens seedlings; soil water gradients; photosynthetic physio-response;