On the base of data investigation with point-centred quarter method, the community structure composition of Tamarix elongata distributed on sale dune in middle reaches of Shule River was described.

Sustainable utilization and protection of water resources in Shule River basin;

Investigation on the Community Structure, Spatial Pattern of Populationand Interspecific Association of Tamarix hispida SalineDesert in the Middle Reaches of Shule River;

Analysis on the Exploitation of Water and Land Resources and Its Environmental Effects in the Shule River Watershed;

The Change Characteristics and the Trend Prediction of Streamflow at the Debouchure of Shulehe River;

Study on water resources development and utilization of Shule River Basin;

Hydrochemical characteristics in Shule River basin and environment protection/;

Study on the dynamic variation of landscape pattern in the middle and lower reaches of the Shule River Basin;

Water quality and water environmental protection of the Shule River basin;

In this paper,Shule River is selected as an example and the variation coefficient and correlation coefficient was calculated to evaluate the main environmental factors' changes and its relation to the state of desertification.