Study on index system of environmental impact assessment for water resources planning;

Primary consideration on water resources planning of river basin information system;

Study on ecological suitability of water conservancy planning;

The influence of water conservancy planning implement on Sanjiang plain upon the carring capacity of water,praedial resources and water environment,and the regional supported capacity under the conditions of sufficing regional environment functions and utilizing sustainably resources were mainly analyzed in this paper.

Review and prospect of water planning in Songliao rivers basin;

It is necessary to use IT in water planning because of its leading position,dynamic feature,and utilization of large amounts of data.

This paper represents an advanced sampling investigation approach introduced to solve the troubles collecting information for water planning, which has been applied in practice and got great effect.

The four new canons and suggestions should be gone in Western great development s Guangxi water resources plan and management, those are continuous development canon, ecological environment canon, the influence canon of macroscopic rule and the influence of changing nature and society.