Biomass and nutrient accumulation of poplar plantation on beach land in Yangtse River in Anhui province Patch distribution character of beach vegetation and its ecological importance Short-Term Effects of Clear-Cutting of Populus deltoides Plantation on Methane Flux on the Beach Land of Yangtze River A Study on the Ecophysiological Characteristic of Photosynthesis for Poplar Tree on Beach Land along the Yangtze River Comparative Studies on the Growth of Different Poplar Clones on Beach Land of Yangtse River Studies on multi-storied mixed forest types on beach land and its benefit A Study on Biomass and Productivity of Populus×euramericana cv. ‘San Martino‘ (I-72/58) Plantation on Beach Land of Yangtze River