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An ecological impact assessment system for road construction projects in nature reserves

A technology of nature reserves and ecological impact, applied in data processing applications, instruments, calculations, etc., can solve the problems of fuzzy comprehensive evaluation and inaccurate evaluation results, and achieve short evaluation time, objective and accurate evaluation results, and broad application prospects. Effect

Active Publication Date: 2021-07-13
NANJING INST OF ENVIRONMENTAL SCI MINIST OF ECOLOGY & ENVIRONMENT OF THE PEOPLES REPUBLIC OF CHINA
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Problems solved by technology

[0006] Aiming at the inaccurate evaluation results of the ecological impact evaluation system for road construction projects in nature reserves in the prior art, the purpose of the present invention is to provide an ecological impact evaluation system for road construction projects in nature reserves, including the determination of evaluation indicators, involving endangered The determination of species, the determination of the impact level of the impact evaluation index, the determination of the membership function of the impact evaluation index, the calculation of the weight of the impact evaluation index, the fuzzy comprehensive evaluation, and the determination of the ecological impact level; the present invention uses the "reduced half-trapezoidal distribution map" to determine the degree of membership of each element, Make the impact of each indicator on the nature reserve more specific and clear, and can objectively and quantitatively reflect the degree of ecological impact of the road construction project on the nature reserve

Method used

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  • An ecological impact assessment system for road construction projects in nature reserves
  • An ecological impact assessment system for road construction projects in nature reserves
  • An ecological impact assessment system for road construction projects in nature reserves

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Embodiment 2

[0324] The basic content of this embodiment is the same as that of Embodiment 1. The difference is that the calculation of the weight of the impact evaluation index in S500 is a comprehensive calculation of the weight of the impact evaluation index. The steps are as follows:

[0325] S501. Calculating the subjective weight of the impact evaluation index; affecting the evaluation index A of the road attribute 1 , Sensitivity impact evaluation index A 2 , directly affect the evaluation index A 3 and indirect impact evaluation index A 4 The subjective weights of are calculated separately to obtain the subjective weight vector C, C=(μ 1 , μ 2 , μ 3 , μ 4 ); the constructed judgment matrix is ​​the first judgment matrix D 1 , the first judgment matrix D 1 is a matrix of order 4;

[0326] Impact evaluation index A on road attributes 1 Among the three ecological impact evaluation indicators A 11 、A 12 and A 13 The subjective weights of are calculated separately, and A 11...

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Abstract

The invention relates to the field of nature protection, in particular to an ecological impact assessment system for road construction projects in nature reserves. The present invention includes determination of evaluation index, determination of endangered species, determination of impact level of impact evaluation index, determination of membership function of impact evaluation index, weight calculation of impact evaluation index, fuzzy comprehensive evaluation and determination of ecological impact level; "Distribution map" to determine the degree of membership of each element, so that the impact of each indicator on the nature reserve is more specific and clear, and a quick test is carried out by calculating the ecological impact index EI of the road construction project. The comprehensive early warning index and the one-vote veto index of the present invention can quickly evaluate the overall ecological impact of the road construction project, and can objectively and quantitatively reflect the ecological impact degree of the road construction project on the nature reserve.

Description

technical field [0001] The invention relates to the field of nature protection, in particular to an ecological impact assessment system for road construction projects in nature reserves. Background technique [0002] Road construction has brought great benefits to human society, but it also has direct or indirect impacts on many ecological processes. A large number of theoretical studies on road ecology have been carried out internationally, and have been widely used in the evaluation of road ecological impact, which has important reference and reference value for the development of road ecological impact research in my country. Scholars in my country have also carried out a lot of research, but the research on the ecological impact of road construction on nature reserves often only focuses on a specific aspect, such as the impact area of ​​roads, animal death, plants and soil within the road area, and the impact on biodiversity. In terms of evaluation and other aspects, the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/06G06Q50/26
CPCG06Q10/06393G06Q50/26
Inventor 张建亮徐网谷钱者东吕莹莹
Owner NANJING INST OF ENVIRONMENTAL SCI MINIST OF ECOLOGY & ENVIRONMENT OF THE PEOPLES REPUBLIC OF CHINA
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