Yangtze River floods are not only a huge encumbrance to the sustained social and economic development in the Yangtze River basin; they also pose a threat to the whole Chinese nation. The frequent occurrence of Yangtze River floods is a result of the excessive land reclamation and cultivation in the river basin, which in turn leads to large scale soil erosion, silting of rivers and lakes and the rising of water level. Ecological security networks, ecological strategic points and ecolo...
