CN109064036A - Ecosystems services supply and demand index variation detection method towards management domain - Google Patents
Ecosystems services supply and demand index variation detection method towards management domain Download PDFInfo
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Abstract
The supply of the ecosystems services supply and demand index variation detection method towards management domain that the present invention relates to a kind of, first throughput ecosystems services and ecosystems services demand, construct ecosystems services supply and demand index.Then by building ecosystems services supply and demand index hierarchical table, the state of ecology service supply and demand index is measured.Change detecting method is finally utilized, the variation of ecosystems services supply and demand index state is analyzed.The invention overcomes the ignored problem of ecosystem management human demand, improves the science and reasonability of ecosystem management.
Description
Technical field
The present invention relates to ecosystem management field more particularly to a kind of ecosystems services supply and demand towards management domain
Index variation detection method.
Background technique
Ecosystem management is a kind of response and natural resource management to Global Ecological, environment and crisis of resource
A kind of entirety sexual approach.Since latter half in 20th century, in the world during rapid economic development, ecocrisis sends out human society
Exhibition constitutes great threat.Meanwhile with the acceleration of global economic integration and environmental problem internationalization process, make macroscopical life
The research hotspot of state has turned to how scientifically to manage terrestrial ecosystem.However the ecosystem is by natural ecosystems and society
How the influence of multifold nonlinear factors, assess ecosystem state and its variation, be ecosystem management in meeting economic system
Field hot and difficult issue urgently to be resolved.
Currently, ecosystem management field mainly supplies field to assess ecosystem state, often from ecosystems services
Method includes substitution Market and Technology, simulation market technology and equivalence factor method.But it is objective to substitute Market and Technology assessment, credible
Degree is higher, but needs a large amount of previous work；Simulation market technical application is relatively broad, but is influenced by numerous subjective factors,
Its confidence level is lower.Equivalence factor method is simple and clear, and assessment is more comprehensive but calculated result accuracy is lower.
The ecosystem is not only influenced by natural cause simultaneously, while also relying on social system.There is no the beneficiary of the mankind,
The structure and process of the ecosystem cannot form ecosystems services.The economic activity of stakeholder is to the ecosystem simultaneously
Service produces huge demand, and leads to the variation of ecosystems services.If only considering the supply of ecosystems services, suddenly
Demand depending on the mankind to ecology service, just cannot achieve ecosystem management.It is existing to assess the more of ecology service need assessment
It is time-consuming and laborious using the methods of questionnaire survey, be difficult to compare in certain time and spatial dimension ecosystems services supply and
Demand.And the coupling mechanism of ecosystems services supply and demand cannot be disclosed, analysis assessment ecosystems services supply and demand shape
The variation of state.
Summary of the invention
It is an object of the invention to overcome the problems, such as that ecosystem management human demand is ignored, providing one kind be can be improved
Science and the rational ecosystems services supply and demand index variation detection method towards management domain of ecosystem management.
Used technical solution is the present invention for the above-mentioned purpose:
A kind of ecosystems services supply and demand index variation detection method towards management domain is provided, comprising the following steps:
Step 1. constructs ecosystems services supply and demand index, is based on a variety of factor datas, extracts improved equivalence factor, obtain
Ecosystems services are taken to supply result；Quantify ecosystems services demand using population, GDP, construction land ratio data；According to
Formula three constructs ecosystems services supply and demand index, realizes ecosystems services supply and demand coupling；
ESP is defined as ecosystems services supply, DnFor the area of land use data, LnChange for the land use pattern
Into equivalence factor；
ESD=A × lg (B) × lg (C) formula two
Definition ESD is ecosystems services demand, and A is construction land ratio, and B is the density of population, and C is GDP density；
Definition IESSD is ecosystems services supply and demand index；
Step 2. constructs ecosystems services supply and demand index hierarchical table；It is demonstrated according to the conservation culture of the national publication of acquisition
County, Nationally Designated Garden City and national eco-environmental quality report are as a result, building ecosystems services supply and demand index hierarchical table, following table
The state of ecosystems services supply and demand index is divided into 3 major class, including ecological-deficit region, ecological balance region and life in 1
State surplus region, 5 kinds of supply and demand states, including surplus, compared with surplus, balance, overload and serious overload；
1 ecosystems services supply and demand index hierarchical table of table
Step 3. utilizes change detecting method, analyzes the state change of ecosystems services supply and demand index；Row table in the following table 2
Show that the ecosystems services supply and demand index state area at T1 moment, column indicate the shape of the ecosystems services supply and demand index at T2 moment
State area；PijThe area that ecosystems services supply and demand index state i is converted to state j during indicating T1-T2 accounts for the soil gross area
Percentage；PijThe area percentage that i kind ecosystems services supply and demand index state type remains unchanged during indicating T1-T2；
Pi+Indicate the gross area percentage of T1 moment state i；P+jIndicate T2 moment point j ecosystems services supply and demand index state type
Gross area percentage；Pi+-PiiFor the percentage of T1-T2 moment state i area reduction；P+j-PjjFor T1-T2 moment ecosystem
The increased percentage of state j area of system service supply and demand index；Wherein i, j are natural number；
The state change of 2 ecosystems services supply and demand index of table is analyzed
A kind of ecosystems services supply and demand index variation detection system towards management domain is provided, comprising:
Ecosystems services supply and demand index construction module is specifically based on more for constructing ecosystems services supply and demand index
Kind factor data, extracts improved equivalence factor, obtains ecosystems services and supplies result；Utilize population, GDP, construction land
Ratio data quantifies ecosystems services demand；Ecosystems services supply and demand index is constructed according to formula three, realizes the ecosystem
Service supply and demand coupling；
ESP is defined as ecosystems services supply, DnFor the area of land use data, LnChange for the land use pattern
Into equivalence factor；
ESD=A × lg (B) × lg (C) formula two
Definition ESD is ecosystems services demand, and A is construction land ratio, and B is the density of population, and C is GDP density；
Definition IESSD is ecosystems services supply and demand index；
Ecosystems services supply and demand index hierarchical table constructs module, for constructing the classification of ecosystems services supply and demand index
Table；With specific reference to the conservation culture demonstration county of the national publication of acquisition, Nationally Designated Garden City and national eco-environmental quality report
As a result, constructing ecosystems services supply and demand index hierarchical table, the state of ecosystems services supply and demand index is divided into the following table 1
3 major class, including ecological-deficit region, ecological balance region and ecological surplus region, 5 kinds of supply and demand states, including surplus, be relatively full of
Remaining, balance, overload and serious overload；
1 ecosystems services supply and demand index hierarchical table of table
The state change analysis module of ecosystems services supply and demand index is specifically used for utilizing change detecting method, analysis
The state change of ecosystems services supply and demand index；Row indicates the ecosystems services supply and demand index state at T1 moment in the following table 2
Area, column indicate the state area of the ecosystems services supply and demand index at T2 moment；PijEcosystems services during expression T1-T2
The area that supply and demand index state i is converted to state j accounts for the percentage of the soil gross area；PijThe i kind ecosystem during expression T1-T2
The area percentage that service supply and demand index state type remains unchanged；Pi+Indicate the gross area percentage of T1 moment state i；P+j
Indicate the gross area percentage of T2 moment point j ecosystems services supply and demand index state type；Pi+-PiiFor T1-T2 moment state
The percentage of i area reduction；P+j-PjjFor the increased percentage of state j area of T1-T2 moment ecosystems services supply and demand index
Than；Wherein i, j are natural number；
The state change of 2 ecosystems services supply and demand index of table is analyzed
The beneficial effect comprise that: the present invention supply of throughput ecosystems services and ecosystem clothes first
Business demand constructs ecosystems services supply and demand index；Then by building ecosystems services supply and demand index hierarchical table, life is measured
The state of state service supply and demand index；Change detecting method is finally utilized, the change of ecosystems services supply and demand index state is analyzed
Change.The invention overcomes the ignored problem of ecosystem management human demand, improve ecosystem management science with
Reasonability.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the ecosystems services supply and demand index variation detection method flow chart of the invention towards management domain；
Fig. 2 is that the ecosystems services of the embodiment of the present invention 1 supply figure；
Fig. 3 is the ecosystems services demand figure of the embodiment of the present invention 1；
Fig. 4 is the ecosystems services supply and demand index map of the embodiment of the present invention 1；
Fig. 5 is the ecosystems services supply and demand index variation figure of the embodiment of the present invention 1.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
Step 1. constructs ecosystems services supply and demand index.Based on the number such as terrain factor, edaphic factor, social ecnomicfactors
According to working as by the way that different land use type data acquisition difference county domain difference land type is improved according to composite index method
The factor is measured, ecosystems services are obtained based on formula one and supply result；Using population, GDP, construction land ratio data, according to
Formula two quantifies ecosystems services demand；Ecosystems services supply and demand index is constructed according to formula three, realizes ecosystem clothes
Business supply and demand coupling.
ESP is defined as ecosystems services supply, DnFor the area of land use data, LnChange for the land use pattern
Into equivalence factor.
ESD=A × lg (B) × lg (C) formula two
Definition ESD is ecosystems services demand, and A is construction land ratio, and B is the density of population, and C is GDP density.
Definition IESSD is ecosystems services supply and demand index.
Step 2. ecosystems services supply and demand index hierarchical table (as shown in table 1 below).According to the conservation culture of national publication
Demonstration county, Nationally Designated Garden City and the report of national eco-environmental quality as a result, building ecosystems services supply and demand index hierarchical table,
By consulting pertinent literature, the state of ecosystems services supply and demand index is simultaneously divided into conjunction with control demand by consultative expertise
3 major class, including ecological-deficit region, ecological balance region and ecological surplus region, 5 kinds of supply and demand states, including surplus, be relatively full of
Remaining, balance, overload and serious overload.
1 ecosystems services supply and demand index hierarchical table of table
Step 3. utilizes change detecting method, and analysis ecosystems services supply and demand index state changes (as shown in table 2 below),
It can reflect a certain region a certain beginning period by following table and end of term Different ecosystems service the supply and demand type of index numbers and mutually turn
The dynamic process information of change, by the data of different ranks in analysis table, the soil that can be apparent from a certain state has
How many areas are converted into other Status Types respectively, and the land area of present a certain state is by which past shape respectively
What state was transformed.Row indicates land area where the ecosystems services supply and demand type of index numbers at T1 moment in following table, and column indicate
The state land area of the ecosystems services supply and demand index at T2 moment.PijEcosystems services supply and demand refers to during indicating T1-T2
The land area that number state i is converted to state j accounts for the percentage of the soil gross area；PijThe i kind ecosystem takes during indicating T1-T2
The land area percentage that business supply and demand index state type remains unchanged.Pi+Indicate the soil gross area percentage of T1 moment state i
Than.P+jIndicate the soil gross area percentage of T2 moment point j ecosystems services supply and demand index state type.Pi+-PiiFor T1-
The percentage of T2 moment state i land area reduction；P+j-PjjFor the state j of T1-T2 moment ecosystems services supply and demand index
The increased percentage of land area.
The state change of 2 ecosystems services supply and demand index of table is analyzed
Therefore, the present invention has the advantage that the supply of throughput ecosystems services and ecosystems services need first
It asks, constructs ecosystems services supply and demand index.Then by building ecosystems services supply and demand index hierarchical table, ecology clothes are measured
The state of business supply and demand index.Change detecting method is finally utilized, the variation of ecosystems services supply and demand index state is analyzed.It should
Invention overcomes the ignored problem of ecosystem management human demand, improves the scientific and reasonable of ecosystem management
Property.
The ecosystems services supply and demand index variation detection system towards management domain that the present invention also provides a kind of, is used for
Realize the above method, which specifically includes:
Ecosystems services supply and demand index construction module is specifically based on more for constructing ecosystems services supply and demand index
Kind factor data, extracts improved equivalence factor, obtains ecosystems services and supplies result；Utilize population, GDP, construction land
Ratio data quantifies ecosystems services demand；Ecosystems services supply and demand index is constructed according to formula three, realizes the ecosystem
Service supply and demand coupling.
Ecosystems services supply and demand index hierarchical table constructs module, for constructing the classification of ecosystems services supply and demand index
Table；With specific reference to the conservation culture demonstration county of the national publication of acquisition, Nationally Designated Garden City and national eco-environmental quality report
As a result, building ecosystems services supply and demand index hierarchical table, as shown in Table 1.
The state change analysis module of ecosystems services supply and demand index is specifically used for utilizing change detecting method, analysis
The state change of ecosystems services supply and demand index, shown in table 2 as above.
Embodiment 1:
Model flow figure of the present invention is as shown in Figure 1.
Ecosystems services supply and demand index state variation assessment includes the following steps:
Step 1. constructs ecosystems services supply and demand index.Throughput ecosystems services Supply and Demand, building life
State system service supply and demand index realizes the coupling of ecosystems services Supply and Demand.
The analysis of step 2. ecosystems services supply and demand index state.Pass through building ecosystems services supply and demand index classification
Table analyzes the state of ecosystems services supply and demand index.
The variation of step 3. analysis ecosystems services supply and demand index state.Using change detecting method, to analyze ecology
The variation of system service supply and demand index state.
It is a specific embodiment using the above method below.
1. being based on improved equivalence factor, obtains 2000 and ecosystems services in 2015 supply data, such as Fig. 2 institute
Show；By population, GDP, construction land ratio, quantify 2000 and ecosystems services demand in 2015, as shown in Figure 3；Benefit
With ArcGIS10.4 field calculator function, very poor standardization was carried out to 2000 and Supply and Demand data in 2015；It utilizes
ArcGIS10.4 field calculator creates IESSD field, and Coupling Ecosystem services Supply and Demand data, constructs ecosystem
System service supply and demand index.
2. according to the conservation culture demonstration county of national publication, Nationally Designated Garden City and national eco-environmental quality report knot
Fruit constructs ecosystems services supply and demand index state hierarchical table using ArcGIS10.4 spatial analysis functions, by 2000 and
Ecosystems services supply and demand index in 2015 is divided into surplus, compared with surplus, 5 states of balance, overload and serious overload, as shown in Figure 4.
3. utilizing change detecting method, the variation of 2000-2015 ecosystems services supply and demand index state is obtained, is such as schemed
Shown in 5.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (2)
1. a kind of ecosystems services supply and demand index variation detection method towards management domain, which is characterized in that including following
Step:
Step 1. constructs ecosystems services supply and demand index, is based on a variety of factor datas, extracts improved equivalence factor, obtains life
State system service supplies result；Quantify ecosystems services demand using population, GDP, construction land ratio data；According to formula
Three building ecosystems services supply and demand indexes, realize ecosystems services supply and demand coupling；
ESP is defined as ecosystems services supply, DnFor the area of land use data, LnIt is improved for the land use pattern
Equivalence factor；
ESD=A × lg (B) × lg (C) formula two
Definition ESD is ecosystems services demand, and A is construction land ratio, and B is the density of population, and C is GDP density；
Definition IESSD is ecosystems services supply and demand index；
Step 2. constructs ecosystems services supply and demand index hierarchical table；According to the conservation culture demonstration county of the national publication of acquisition,
Nationally Designated Garden City and national eco-environmental quality report are as a result, construct ecosystems services supply and demand index hierarchical table, in the following table 1
The state of ecosystems services supply and demand index is divided into 3 major class, including ecological-deficit region, ecological balance region and ecology are full of
Remaining region, 5 kinds of supply and demand states, including surplus, compared with surplus, balance, overload and serious overload；
1 ecosystems services supply and demand index hierarchical table of table
Step 3. utilizes change detecting method, analyzes the state change of ecosystems services supply and demand index；Row indicates T1 in the following table 2
The ecosystems services supply and demand index state area at moment, column indicate the state face of the ecosystems services supply and demand index at T2 moment
Product；PijThe area that ecosystems services supply and demand index state i is converted to state j during indicating T1-T2 accounts for the hundred of the soil gross area
Divide ratio；PijThe area percentage that i kind ecosystems services supply and demand index state type remains unchanged during indicating T1-T2；Pi+Table
Show the gross area percentage of T1 moment state i；P+jIndicate total face of T2 moment point j ecosystems services supply and demand index state type
Product percentage；Pi+-PiiFor the percentage of T1-T2 moment state i area reduction；P+j-PjjFor T1-T2 moment ecosystems services
The increased percentage of state j area of supply and demand index；Wherein i, j are natural number；
The state change of 2 ecosystems services supply and demand index of table is analyzed
2. a kind of ecosystems services supply and demand index variation detection system towards management domain characterized by comprising
Ecosystems services supply and demand index construction module, for constructing ecosystems services supply and demand index, be specifically based on it is a variety of because
Subdata extracts improved equivalence factor, obtains ecosystems services and supplies result；Utilize population, GDP, construction land ratio
Data quantization ecosystems services demand；Ecosystems services supply and demand index is constructed according to formula three, realizes ecosystems services
Supply and demand coupling；
ESP is defined as ecosystems services supply, DnFor the area of land use data, LnIt is improved for the land use pattern
Equivalence factor；
ESD=A × lg (B) × lg (C) formula two
Definition ESD is ecosystems services demand, and A is construction land ratio, and B is the density of population, and C is GDP density；
Definition IESSD is ecosystems services supply and demand index；
Ecosystems services supply and demand index hierarchical table constructs module, for constructing ecosystems services supply and demand index hierarchical table；Tool
Body according to the conservation culture demonstration county of the national publication of acquisition, Nationally Designated Garden City and the report of national eco-environmental quality as a result,
Ecosystems services supply and demand index hierarchical table is constructed, it is big that the state of ecosystems services supply and demand index is divided into 3 in the following table 1
Class, including ecological-deficit region, ecological balance region and ecological surplus region, 5 kinds of supply and demand states, including surplus, compared with surplus, flat
Weighing apparatus, overload and serious overload；
1 ecosystems services supply and demand index hierarchical table of table
The state change analysis module of ecosystems services supply and demand index is specifically used for utilizing change detecting method, analysis ecology
The state change of system service supply and demand index；Row indicates the ecosystems services supply and demand index state area at T1 moment in the following table 2,
Column indicate the state area of the ecosystems services supply and demand index at T2 moment；PijEcosystems services supply and demand during expression T1-T2
The area that index state i is converted to state j accounts for the percentage of the soil gross area；PijI kind ecosystems services during expression T1-T2
The area percentage that supply and demand index state type remains unchanged；Pi+Indicate the gross area percentage of T1 moment state i；P+jIt indicates
The gross area percentage of T2 moment point j ecosystems services supply and demand index state type；Pi+-PiiFor the face T1-T2 moment state i
The reduced percentage of product；P+j-PjjFor the increased percentage of state j area of T1-T2 moment ecosystems services supply and demand index；
Wherein i, j are natural number；
The state change of 2 ecosystems services supply and demand index of table is analyzed
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