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Analysis method for local area ecological network

An analysis method and ecological technology, applied in the ring field, can solve problems such as the inability to effectively analyze and evaluate the structure and function of the regional ecological network

Inactive Publication Date: 2010-10-06
BEIJING NORMAL UNIVERSITY
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Problems solved by technology

[0007] The present invention aims at the problem that the prior art method cannot effectively analyze and evaluate the internal structure and function of the regional ecological network, and integrates the composite ecological system theory, material flow accounting, input-output analysis, ecological network theory, mathematical statistics simulation analysis and hierarchy theory and other existing technologies, and designed a method for simulating, evaluating, and analyzing regional ecological networks, including system definition, ecological network model construction, and comprehensive evaluation of system structure and functional relationships.

Method used

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  • Analysis method for local area ecological network
  • Analysis method for local area ecological network
  • Analysis method for local area ecological network

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Embodiment example

[0023]Taking China as a specific implementation case and conducting specific research on regional ecological networks, the following conclusions can be drawn:

[0024] The regional ecological network of China is divided into: 1-internal environment, 2-agricultural sector, 3-extractive industry sector, 4-processing and manufacturing sector, 5-construction sector, 6-living consumption sector (household consumption), 7-recycling circulation department, 8-external environment and other nodes, thus constructing the regional ecological network model ( figure 1 ). Based on the trophic level relationship of the food chain (net) in the natural ecosystem, the internal environment and external environment are initially defined as producers, the agricultural sector, extractive industry sector, processing and manufacturing sector, construction sector, and living consumption sector are consumers, and the recycling sector for the restorer.

[0025] The analysis results of the contribution ...

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Abstract

The invention relates to a method for systematically analyzing and evaluating a local area ecological system. The technical scheme is that the method comprises the following steps of: performing boundary definition on the local area ecological network, dividing network nodes according to specific study purposes, taking substance and energy exchange relationship between the nodes as a network path, and establishing a network model based on an input-output model; and acquiring the substance flow rate between the nodes by adopting a substance flow accounting method, and quantitatively analyzing correlations between the nodes by utilizing an accounting result and the provided evaluation indexes (a contribution rate index and a development pressure index). The method has the advantage that: a set of comprehensive and systematic local area ecological network analysis method is established, can be promoted to various scales and applied to various systems, and has representativeness and universality.

Description

[0001] Field [0002] The invention belongs to the field of environmental science and system ecology research, and is a system that can perform systematic analysis and evaluation on different scales (countries, cities, parks, etc.) and different systems (social systems, economic systems, industrial systems, urban systems, etc.) The method is especially suitable for quantitative analysis of the input and output process of material and energy among various departments in the region, and then to determine the composition structure and functional relationship of departments in the regional ecological network, and to comprehensively evaluate the overall state of the network. Background technique [0003] Human economic development is at the cost of huge ecological environment damage and resource consumption, which has brought huge obstacles to the sustainable development of the region. These regional problems will be exacerbated by rapid economic and population growth. Due to the ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/00
Inventor 张妍李娅婷李盛盛章晋赟
Owner BEIJING NORMAL UNIVERSITY
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