Current Distribution of Endangered Mangrove Lumnitzera littorea (Jack.) Voigt in China

Field investigations revealed that there are merely about 359 Lumnitzera littorea(Jack.) Voigt mangrove trees in China,extremely endangered,locating at Tielu Bay(9 trees),Dadun village of Lingshui county(about 340 trees) and Dongzhai Bay(10 trees,transplanted) in Hainan province.Only the trees in Lingshui have self-reproduction ability to a certain extent.Bi-florescence and mixed growth with L.racemosa was firstly observed for L.littorea.The main causes of threatening the survivorship of L.littorea population are low germination rate of seed and severe human interferences.In addition,some suggestions were brought forward to rescue and breed China L.littorea species.