Regulation theory and technology for the branch channel in the middle and lower Yangtze River Systematic regulation techniques on bifurcated reaches in the middle and lower Yangtze river Native and exotic fishes of the middle and lower yangtze river 并列题名：Native and exotic fishes of the middle and lower yangtze river 并列题名：Systematic regulation techniques on bifurcated reaches in the middle and lower Yangtze river