THE BIOECOLOGICAL CHARACTERISTICS OF HALOCNEMUM STROBILACEUM AND ITS COMMUNITY ON THE BORDER OF OASIS IN HUTUBI , XINJIANG Report of Drepanophycus Göppert (Lycopsida) from the Middle Devonian of Xinjiang, China Dynamic changes in vegetation NDVI from 1982 to 2012 and its responses to climate change and human activities in Xinjiang, China. Life table of Leptinotarsa decemlineata (Say) natural population and related affecting factors. Remote sensing retrieval of vegetation coverage in arid areas based on multiple endmember spectral unmixing.