Effects of substrate on Vallisneria natans and Elodea canadensis under cyanobacterial stress conditions Photosynthetic Fluorescence Characteristics of Five Dominant Submerged Macrophytes in Honghu Lake Allelopathic activity of Volatile substance from submerged macrophytes on Microcystin aeruginosa GIS simulation on the distribution of submerged macrophytes in Baoan Lake The Vegetative Reproductive Characteristics of Stem Fragments in Potamogeton maackianus A.Benn. Studies on Eutrophicated Water Quality Improvement by means of Aquatic Macrophytes Bellamya sp. and its interaction with submerged macrophytes in Lake Taihu