Preliminary survey on aquatic vegetations in Baiyangdian Lake;

Role of water level fluctuation on aquatic vegetation in lakes;

On aquatic vegetation succession of Lake Liangzihu from 1955 to 2001;

Whether has continually exploiting confined groundwater to create the serious ecological environment problem, what has relations between the groundwater and the vegetation ecology, these are the questions which this area groundwater resources development must reply.

The ten abandoned plowlands Regimental Farm 102 in Xinjiang to investigate and compare the restored vegetation of different abandoned plowlands.

Since the dominant species of original vegetation and the distribution patterns of the bio-diversities are essential to vegetation recovery and restoration along the Qinghai-Tibetan railway,based on 27 vegetation transects and 248 plots and 2 242 samples,this paper systematically analyzed the patterns of dominant species and bio-diversity.

After investigating and analyzing the flora and vegetation landscape of Grand Canyon Nature Reserve,we found that the original vegetation is diverse,which has the characteristic of transition from south semitropical to middle semitropical;that the flora composition of Grand Canyon Nature Reserve is very complicated,dominated by the tropical-semitropical and tropical vegetation;and .

Among them, potential vegetation is defined as the vegetation that would occur under the current climate condition without any disturbance from human activity, and original vegetation is defined as the vegetation that actually occurred prior to the significant interference from human activity.