Landslides and debris fl o ws grow well in the northern slope of Mount Gaolan in Lanzhou city,because the environmental factors for landslides and debris flows are a dvantageous in this area.

Using the methods of spectral analysis and energy balance closure the quality of turbulent data collected from the filed experiment conducted in the Gaolan Mountain in summer of 2006 and in winter of 2005 was analyzed.

The climate change and ecological environmental evolution in northern slope of the Tianshan Mountains in Xinjiang and their trends in the future are the important scientific issues for the sustainable development of economy and society,and are also the scientific bases for the strategy of speeding up the development of northern slope of the Tianshan Mountains.

Accordingly,the regional development-ecoenvironment index system and synergisticity model of the economic belt on the northern slope of the Tianshan Mountains have been built,with which synthesized evaluation can be done to analyze the coordination degree between regional development and eco-environment and the overall development level.

Soil properties at the tree limits of Picea schrenkiana forests in response to varying environmental conditions on the northern slope of Tianshan mountains;

Analysis of present situation and research progress of desert grassland degradation in northern slope of Tianshan Mountains in Xinjiang

It is analyzed on the occurrences of spring snowmelt floods and their hazartds in themiddle part of the northern slope of Tianshan Mountains.

Species composition and community structure of terrestrial algae in the biological crusts of Lanzhou Northern Hill;