CN111435485A - Plateau wetland ecological safety research method - Google Patents
Plateau wetland ecological safety research method Download PDFInfo
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- CN111435485A CN111435485A CN201910035909.3A CN201910035909A CN111435485A CN 111435485 A CN111435485 A CN 111435485A CN 201910035909 A CN201910035909 A CN 201910035909A CN 111435485 A CN111435485 A CN 111435485A
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- 238000000034 method Methods 0.000 title claims abstract description 79
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- 230000004044 response Effects 0.000 claims abstract description 20
- 230000008859 change Effects 0.000 claims abstract description 14
- 230000036541 health Effects 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
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Abstract
The invention relates to the field of ecological research methods, in particular to a plateau wetland ecological safety research method, which comprises the following steps: the staged process of the study consists of a duress process, a health change process, a service process, a management process, the input of the duress process comprising a driving force (D), a pressure (P), a state (S) and a response (R), the input of the health change process comprising a state (S) and a response (R), the input of the service process comprising a state (S), an influence (I) and a response (R), the input of the management process comprising a driving force (R), a pressure (P), a state (S), an influence (I), a response (R) and a management (M). The invention adopts a DPSIRM framework model and a rating mode, perfects the safety evaluation method of wetland ecology, increases management factors on the basis of DPSIR and enriches evaluation standards.
Description
Technical Field
The invention relates to the field of ecological research methods, in particular to a plateau wetland ecological safety research method.
Background
The wetland is an important natural resource in the nature, is a unique ecosystem which is different from the land and the water area and is formed by the interaction of a land ecosystem and a water ecosystem, not only provides abundant natural resources for human beings, but also has huge ecological functions of conserving water sources, storing flood, preventing drought, adjusting climate, purifying environment, maintaining biological diversity and the like.
In recent years, the research contents of the academic world on wetland ecological safety mainly include the definition of wetland ecological safety, the construction of a wetland ecological safety evaluation index system and an evaluation model, wetland ecological safety countermeasures, wetland ecological safety monitoring, early warning and the like, research objects mainly focus on urban wetland ecological safety, watershed wetland ecological safety, estuary wetland ecological safety and the like, research areas mainly focus on middle and eastern areas and northwest arid areas with less wetland resources, and various research methods such as an entropy method, a fuzzy comprehensive evaluation method, an index model, a landscape pattern index, an In VEST model, a GIS technology and the like are formed In the aspect of the wetland ecological safety evaluation method, so that the current research has a significant promotion effect on the deep research on the wetland ecological safety and simultaneously has some problems: (1) the selection of indexes is too one-sided, the wetland ecological safety evolution process and the internal mechanism are not reflected, and the importance of wetland ecological safety management is not reflected, (2) the current evaluation method mostly carries out comprehensive evaluation on the basis of linear weighting, the result tends to be uniform, and the difference existing between adjacent indexes cannot be well distinguished, (3) the acquisition of the weighted value of the indexes excessively depends on the expert experience, the subjectivity is strong, and the internal objective information of the indexes cannot be reflected, so that the evaluation result cannot accurately reflect the interaction between human activities and the wetland environment.
Disclosure of Invention
The invention aims to provide a plateau wetland ecological safety research method to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a plateau wetland ecological safety research method comprises the following components: the stage process of the research consists of a stress process, a health change process, a service process and a management process, wherein the input end of the stress process comprises a driving force (D), a pressure (P), a state (S) and a response (R), the input end of the health change process comprises a state (S) and a response (R), the input end of the service process comprises a state (S), an influence (I) and a response (R), the input end of the management process comprises a driving force (R), a pressure (P), a state (S), an influence (I), a response (R) and a management (M), and the stress process, the health change process, the service process and the management process jointly form the final ecological safety comprehensive evaluation.
Further, the driving force (D) includes animals and plants, natural environments, and the like, preferably humans, and is preferably selected in the present invention as in the human society: average GDP, age growth rate of GDP, engel coefficient, population density, and natural population growth rate.
Further, the pressure (P) includes water resource supply and demand and water pollution, and the pressure (P) in the present invention is preferably a pressure (P) index of human society, and the preferred parameters of the present invention are: water consumption of ten thousand yuan GDP, chemical fertilizer application strength, pesticide application strength, unit industrial output value, wastewater discharge and domestic sewage discharge.
Further, the state (S) includes parameters such as water quality, water quantity and water ecological change, and the preferred parameters in the present invention are: water resource per capita, water quality condition index, soil erosion rate and species diversity.
Further, the influence (I) includes contradiction between supply and demand and wetland degradation, and the preferable parameters in the invention are as follows: forest coverage rate, average population life and wetland area degradation rate.
Further, the response (R) includes parameters such as water resource development and ecological restoration, and the preferred index parameters in the present invention are: the wetland water resource development and utilization rate, the sewage treatment rate, the material life index, the education degree of surrounding population and the wetland protection consciousness.
Further, the management (M) includes parameters such as policy and management investment, and preferable index parameters in the present invention are: environmental protection investment index, policy and regulation implementation and wetland management level.
Furthermore, the evaluation criteria of the research method are safe, safer, critical safe, unsafe and extremely unsafe, and the successive DPSIRM indexes become worse.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the method, on the basis of constructing the DPSIRM frame model, a wetland ecological safety evaluation index system is established, the evaluation level is determined, the Weining grassy sea wetland ecological safety is subjected to overall evaluation and itemized research by adopting a pair-gray method, and the calculated result is matched with the practical situation of the grassy sea wetland ecological safety.
2. The method emphasizes the importance of wetland ecological safety management on the basis of a driving force-pressure-state-influence-response model, can improve the theoretical framework of wetland ecological safety evaluation, and enriches and develops the wetland ecological safety evaluation method.
Description of the drawings:
FIG. 1 is a diagram of a method framework model of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
The invention provides a technical scheme that: a plateau wetland ecological safety research method comprises the following components: the stage process of research is by the coerce process, the health change process, the service process, the management process constitutes, the input of coerce process includes drive power (D), pressure (P), state (S) and response (R), the input of health change process includes state (S) and response (R), the input of service process includes state (S), influence (I) and response (R), the input of management process includes drive power (R), pressure (P), state (S), influence (I), response (R) and management (M), the coerce process, the health change process, the service process, the management process has constituted final ecological security comprehensive evaluation jointly.
The driving force (D) includes animals and plants, natural environments, and the like, preferably humans, and is preferably selected in the present invention as in the human society: average GDP, age growth rate of GDP, engel coefficient, population density, and natural population growth rate.
The pressure (P) comprises water resource supply and demand and water body pollution, and the pressure (P) is preferably a pressure (P) index of human society, and the preferred parameters of the invention are as follows: water consumption of ten thousand yuan GDP, chemical fertilizer application strength, pesticide application strength, unit industrial output value, wastewater discharge and domestic sewage discharge.
The state (S) includes parameters such as water quality, water quantity, and water ecology change, and the preferable parameters in the present invention are: water resource per capita, water quality condition index, soil erosion rate and species diversity.
The influence (I) comprises contradiction between supply and demand, wetland degradation and the like, and the preferable parameters in the invention are as follows: forest coverage rate, average population life and wetland area degradation rate.
The response (R) comprises parameters of water resource development, ecological restoration and the like, and the preferable index parameters in the invention are as follows: the wetland water resource development and utilization rate, the sewage treatment rate, the material life index, the education degree of surrounding population and the wetland protection consciousness.
The management (M) includes parameters such as policy and management investment, and preferable index parameters in the present invention are: environmental protection investment index, policy and regulation implementation and wetland management level.
The evaluation criteria of the research method are safe, safer, critical safe, unsafe and extremely unsafe, and the successive DPSIRM indexes become worse successively.
Establishing a multi-method model during analysis and comparison, wherein the first method is a gray correlation method:
carrying out dimensionless processing on the original data, and establishing an original data matrix:
then, a standardization processing method is adopted, and the method is divided into a forward index and a reverse index:
the forward indexes are as follows:
(ii) a The reverse indexes are as follows:
；
establishing a model: the optimal vector formula of the evaluation index is as follows,
the later stage includes that the set pair analysis method judges the confidence coefficient of the whole model so as to judge the accuracy of the whole model, and the set pair H (the set pair analysis method) is constructed
）
Obtaining the k-element degree of contact with the formula of
Order to
；
；
；
；
(ii) a The above formula can be simplified as:
adopting a confidence coefficient formula:
λ is the confidence sought.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A plateau wetland ecological safety research method is characterized by comprising the following steps: the stage process of the research consists of a stress process, a health change process, a service process and a management process, wherein the input end of the stress process comprises a driving force (D), a pressure (P), a state (S) and a response (R), the input end of the health change process comprises a state (S) and a response (R), the input end of the service process comprises a state (S), an influence (I) and a response (R), the input end of the management process comprises a driving force (R), a pressure (P), a state (S), an influence (I), a response (R) and a management (M), and the stress process, the health change process, the service process and the management process jointly form the final ecological safety comprehensive evaluation.
2. The plateau wetland ecological safety research method of claim 1, characterized in that: the driving force (D) includes animals and plants, natural environments, and the like, preferably humans, and is preferably selected in the present invention as in the human society: average GDP, age growth rate of GDP, engel coefficient, population density, and natural population growth rate.
3. The plateau wetland ecological safety research method of claim 1, characterized in that: the pressure (P) comprises water resource supply and demand and water body pollution, and the pressure (P) is preferably a pressure (P) index of human society, and the preferred parameters of the invention are as follows: water consumption of ten thousand yuan GDP, chemical fertilizer application strength, pesticide application strength, unit industrial output value, wastewater discharge and domestic sewage discharge.
4. The plateau wetland ecological safety research method of claim 1, characterized in that: the state (S) comprises parameters such as water quality, water quantity, water ecology change and the like, and the preferable parameters in the invention are as follows: water resource per capita, water quality condition index, soil erosion rate and species diversity.
5. The plateau wetland ecological safety research method of claim 1, characterized in that: the influence (I) comprises contradiction between supply and demand, wetland degradation and the like, and the preferable parameters in the invention are as follows: forest coverage rate, average population life and wetland area degradation rate.
6. The plateau wetland ecological safety research method of claim 1, characterized in that: the response (R) comprises parameters such as water resource development, ecological restoration and the like, and the preferable index parameters in the invention are as follows: the wetland water resource development and utilization rate, the sewage treatment rate, the material life index, the education degree of surrounding population and the wetland protection consciousness.
7. The plateau wetland ecological safety research method of claim 1, characterized in that: the management (M) includes parameters such as policy and management investment, and preferable index parameters in the present invention are: environmental protection investment index, policy and regulation implementation and wetland management level.
8. The plateau wetland ecological safety research method of claim 1, characterized in that: the evaluation criteria of the research method are safe, safer, critical safe, unsafe and extremely unsafe, and the successive DPSIRM indexes become worse successively.
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108876167A (en) * | 2018-06-27 | 2018-11-23 | 南京林业大学 | A kind of seashore wetland ecological security assessment method based on DPSIR model |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108876167A (en) * | 2018-06-27 | 2018-11-23 | 南京林业大学 | A kind of seashore wetland ecological security assessment method based on DPSIR model |
Non-Patent Citations (2)
| Title |
|---|
| 中国环境科学: "基于DPSIRM概念框架模型的岩溶区水资源安全评价", 中国环境科学 * |
| 潭红武 等: "流域水生态承载力评价方法及评价实践", 第三届全国规划环评技术研讨会论文集 * |
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