In comprehensive management of Xiaoanxi Small Watershed, Hechuan City organically combines soil and water loss management with building living filter zones, water quality protection of stream and ecological sightseeing and tourism based on the concepts of giving a first priority to ecology and conducting scientific prevention and management.

Resources Investigation Report on Terrestrial Wildlife Vertebrates of Hechuan in Chongqing City;

Marine Transgression-Regression and Brachiopod Diversity from the Wujiapingian in the Hechuan Area of Chongqing

Taking Hechuan district of Chongqing as an example,on the basis of analysis and evaluation toward present land-use,the research combine with related theory and investigate classification about the system.

Analysis of water requirement for urban ecological environment at present in Yinchuan;

Situation and Control of Water Pollution in Yinchuan;

Analysis on characteristics of the atmospheric pollution in Yinchuan;

Dynamic change of ecological footprint from 1994 to 2003 in Tongchuan city and socio-ecomomic cause analysis;

Investigation of rubbish composition in Tongchuan City;

Intensive zoning of landslide erosion disaster in Tongchuan City,Shaanxi;