1, look-up table method

List the environmental factors that may be affected by the planning behavior and the nature of the possible impact, and then make a qualitative or semi-qualitative evaluation of the environmental impact of the verification.

2. Matrix method

Take the planned objectives, indicators, planned bills (planned economic activities) and environmental factors as the rows and columns of the matrix, and fill in the symbols, numbers or words used to express the causal relationship between behavior and environmental factors at the corresponding positions.

3. Fold the pictures and send them.

Thematic maps for evaluating regional characteristics, including natural conditions, social background and economic conditions, are superimposed to form a map that can comprehensively reflect the spatial characteristics of the environment.

4. Network law

Network diagram is used to represent the environmental impact caused by activities and the causal relationship between various impacts. Multi-level influence has gradually developed and is dendritic.

5, system flow chart method

It is a very useful method to describe and identify the direct and indirect impacts by describing the environment as an interrelated component and identifying the secondary, tertiary or multilevel environmental impacts through the relationship between environmental components.

6. Scenario analysis method

It is a way to describe the environmental conditions and eucalyptus time series under different time and conditions before and after the implementation of the planning method. It can be used for the identification, prediction and cumulative impact assessment of planned environmental impacts.

7. Input-output analysis

In the national economic sector, input-output analysis is mainly to compile a chessboard input-output table, establish corresponding linear algebraic equations, form an economic mathematical model to simulate the reproduction of real national economic achievements and social products, and comprehensively analyze and determine the intricate relationship between various departments of the national economy and the important proportional relationship of reproduction with the help of computers.

8, environmental mathematical model method

Guilin quantitatively expresses the temporal and spatial changes of environmental systems or environmental elements in mathematical form, which is mostly used to describe the migration and transformation law of pollutants in the atmosphere or water with air or water in space.

9 weighted comparison method

10 comparative evaluation method

Analysis method of environmental carrying capacity

At a certain time and in a certain state, the threshold of a certain regional environment to support human socio-economic activities.

12, cumulative impact assessment method