CN111241484A - Method for evaluating coral reef biodiversity assets - Google Patents
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- CN111241484A CN111241484A CN202010030583.8A CN202010030583A CN111241484A CN 111241484 A CN111241484 A CN 111241484A CN 202010030583 A CN202010030583 A CN 202010030583A CN 111241484 A CN111241484 A CN 111241484A
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- 235000014653 Carica parviflora Nutrition 0.000 title claims abstract description 108
- 241000243321 Cnidaria Species 0.000 title claims abstract description 108
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000036541 health Effects 0.000 claims abstract description 18
- 238000011835 investigation Methods 0.000 claims abstract description 14
- 230000008859 change Effects 0.000 claims abstract description 9
- 238000004364 calculation method Methods 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 8
- 241000894007 species Species 0.000 claims description 8
- 230000033228 biological regulation Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000011160 research Methods 0.000 claims description 2
- 238000011156 evaluation Methods 0.000 abstract description 6
- 241000251468 Actinopterygii Species 0.000 description 8
- 241001465754 Metazoa Species 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000722826 Ardisia Species 0.000 description 1
- 241001633106 Lithocarpus Species 0.000 description 1
- 241000902900 cellular organisms Species 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/18—Complex mathematical operations for evaluating statistical data, e.g. average values, frequency distributions, probability functions, regression analysis
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0639—Performance analysis of employees; Performance analysis of enterprise or organisation operations
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
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Abstract
The invention discloses a method for evaluating coral reef biodiversity assets, belonging to the field of coral reef ecological asset accounting, comprising the following steps of: selecting an investigation region, carrying out reef region biodiversity investigation, calculating the biodiversity index of the coral and the health state of coral reef biocenosis, evaluating coral reef biodiversity assets, and analyzing the dynamic change of the coral reef biodiversity assets. The invention provides an evaluation method based on the attribute of an ecosystem for the coral reef biodiversity assets without market inventory capital, establishes quantitative association between ecological parameters of a coral community and biodiversity asset changes, and provides technical support for more accurately understanding the current situation of the coral reef biodiversity assets.
Description
Technical Field
The invention relates to the field of coral reef ecological asset accounting, in particular to a method for evaluating coral reef biodiversity assets.
Background
Coral reefs are one of the most diverse and productive ecosystems on earth, and provide important ecological services such as fishery and coastal protection for millions of residents living in tropical regions all over the world. According to 2009 estimates of the environmental planning agency (UNEP) of united nations, the total value of ecological services provided by the global coral reefs is over 1000 billion dollars per year. The diversity of coral reef organisms plays an important role in maintaining the services of an ecosystem, and various organisms participate in different ecological processes to form specific functional groups to jointly complete important ecological functions. For example, in coral reef biota: the hermatypic coral provides a complex and diversified habitat for other reef inhabitants; the fishes in the reef area promote the material and energy circulation process of the ecosystem and maintain the stability of the coral reef ecosystem; benthic organisms that inhabit coral reefs play an important role in maintaining and regulating the health of the ecosystem. Therefore, the biodiversity of the reef areas is closely related to the ecological service value provided by the coral reef ecosystem.
At present, the global coral reefs decline rapidly, and 33% of reef dwelling species have been listed in the red list of endangered species of the world natural protection alliance (IUCN). In order to protect the coral reef ecosystem and reasonably utilize the coral reef ecological assets, China clearly provides an idea of ecological asset accounting. However, the evaluation of coral reef assets at home and abroad currently focuses mainly on the economic aspect, and the evaluation methods of the method for estimating ecological assets by adopting production benefits, replacement costs and the like are still incomplete, and the evaluation methods of the stock capital which does not have market for biological diversity and the like are lack of consideration for the ecological attributes. For example, the unit value for estimating biodiversity of continental coastal coral reefs is higher than that of distant coral reefs, depending on the tourist value of biodiversity. However, this estimation method is not always reasonable, as the biodiversity of near-shore coral reefs is generally lower than far-shore coral reefs, which are more likely to provide more ecological services and products from an ecosystem-property perspective. Therefore, only considering the market value, the natural attributes of the biodiversity assets are difficult to reflect, and the evaluation result has certain deviation. Therefore, the current situation that biodiversity of the coral reef is measured by considering the biological groups closely related to the ecological functions of the coral reef, such as coral, fish and large benthos, and a method for dynamically quantifying the biodiversity assets of the coral reef based on the attribute of an ecological system is provided.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a method for evaluating coral reef biodiversity assets based on ecosystem attributes.
A method of assessing coral reef biodiversity assets, the method comprising the steps of:
step 1: and selecting an investigation area to carry out the reef area biodiversity investigation.
Selecting a research area, developing coral reef biodiversity investigation according to coral reef ecological monitoring technical regulation HY/T082-
Step 2: calculating the biodiversity index of coral, fish and large benthonic animals according to the following formula,
wherein H is the Shannon-Wiener diversity index, niIs the number of individuals of the ith species, N is the total number, and S is the total number of species.
And step 3: quantifying the health state of the coral reef biological community, and having the following calculation formula,
wherein BI is a health index of the coral reef community, HiIs the diversity index of the class i biological group, Hi0The health value of the diversity index of the ith class of organisms can be selected as the ecological parameters of the reef area in the undisturbed period or the ecological parameters of the adjacent area undisturbed coral reef. n is the number of biological groups.
And 4, step 4: and (4) evaluating the biodiversity assets ($/ha/year) of the coral reef, wherein the calculation formula is as follows,
V＝p*BI
wherein V is coral reef biodiversity asset and p is mean unit asset 49258($/ha/year) of global healthy coral reef biodiversity; BI is a coral reef biological community health index.
And 5: analyzing the dynamic change of the coral reef biodiversity assets, and the calculation formula is as follows,
ΔV＝Vm-Vn
wherein Δ V is a dynamic variation value of coral reef biodiversity assets between the mth year and the nth year; vmAssets in m years; vnIs an n year asset.
By adopting the technical scheme, the invention has the following technical effects:
1. the invention provides an evaluation method based on the attribute of an ecosystem for the assets of coral reef biodiversity without market inventory capital, quantifies the health state of a biological community by investigating the coral reef biodiversity, evaluates the biodiversity assets and provides technical support for more accurately knowing the current situation of the coral reef biodiversity assets.
2. The quantitative association between the ecological parameters of the coral community and the biodiversity asset change is established, the value of biodiversity is more visually shown, and the method has positive significance for social public to improve the protection consciousness of biodiversity of coral reefs.
3. The method can evaluate the dynamic change of the coral reef biodiversity assets, reflect the change of the coral reef biodiversity assets in different years, provide reference data for decision makers for the protection and management of the coral reefs, and accordingly appropriately adjust the management strategy.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to preferred embodiments. It should be noted, however, that the numerous details set forth in the description are merely for the purpose of providing the reader with a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.
The invention selects a certain coral reef sea area in the south China sea to evaluate the coral reef biodiversity assets.
The specific coral reef biodiversity asset method comprises the following steps of:
step 1: the inventor selects two years (2015 and 2019), carries out coral reef biodiversity investigation according to coral reef ecology monitoring technical regulation HY/T082-. Selecting a coral reef investigation region, carrying out reef region biodiversity investigation, and acquiring basic data of coral, fish and large benthos communities in the reef region.
TABLE 1 biodiversity survey record sheet (coral biodiversity part)
Step 2: calculating the coral reef biodiversity assets in the investigation region 2015 according to the investigation data, and specifically comprising the following steps:
the diversity index of coral, fish and large benthos in the 2015 survey area was calculated:
as is clear from Table 1, 22 types of coral, such as Lithocarpus littoralis, Ardisia caesalpina, and Gyanopsis peltata, were present in the investigation region, and the total number of coral units was 181. The formula for calculating the diversity index of coral is:
wherein H is the Shannon-Wiener diversity index, niIs the number of individuals of the ith species, N is the total number, and S is the total number of species.
According to the formula, the coral diversity index is:
the other biological group calculation methods are the same and are omitted here. The fish diversity index is 3.535, and the large benthonic diversity index is 3.886.
And step 3: quantitatively investigating the health state of the coral reef biological community in the sea area:
the formula for calculating the coral reef biological community health index is as follows:
wherein BI is coral reef biocenosis health index, HiIs the diversity index of the class i biological group, Hi0Is the health value of the diversity index of the ith class of biological groups. n is the number of biological groups. In the invention Hi0Referring to the biodiversity of the healthy coral reef area in south China sea, the coral diversity index is 3.73, the fish diversity index is 4.66, and the diversity index of large benthonic animals is 5.52.
According to the formula, the health index for investigating the diversity of the coral reef organisms in the sea area is as follows:
and 4, step 4: assessing biodiversity assets of coral reefs:
the calculation formula for surveying the coral reef biodiversity assets in the sea area 2015 is as follows:
V＝p*BI
wherein V is coral reef biodiversity asset and p is mean unit asset 49258($/ha/year) of global healthy coral reef biodiversity; BI is a coral reef biological community health index.
According to the formula, the investigation of the sea area coral reef biodiversity assets is as follows:
V＝p*BI＝49258×0.7819＝38514.83$/ha/year
and 5: the calculation method for calculating the coral reef biodiversity assets in 2019 is the same as that in 2015, and the specific calculation process is omitted. The results are as follows:
(1) the coral diversity index is 3.182, the fish diversity index is 2.917, and the large benthonic animal diversity index is 3.543.
(2) The coral reef biont health index was 0.7069.
(3) The coral reef biodiversity asset in 2015 was 34820.48 $/ha/year.
Step 6: analyzing the dynamic change of the coral reef biodiversity assets:
the calculation formula for investigating the dynamic change of the coral reef biodiversity assets in the reef area is as follows,
ΔV＝Vm-Vn
wherein Δ V is a dynamic variation value of coral reef biodiversity assets between the mth year and the nth year; vmAssets in m years; vnIs an n year asset.
According to the formula, the dynamic change of sea area coral reef biodiversity assets investigated in 2015 to 2019 is as follows:
ΔV＝V2015-V2019＝38514.83-34820.48＝3694.35$/ha/year
the calculation result shows that the investigation of sea area coral reef biodiversity assets from 2015 to 2019 reduces 3694.35 $/ha/year.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (6)
1. A method for evaluating coral reef biodiversity assets is characterized by comprising the following steps: the method comprises the following steps:
step 1: selecting a survey area, and carrying out reef area biodiversity survey;
step 2: calculating the biodiversity index of the coral;
and step 3: quantifying the health state of the coral reef biological community;
and 4, step 4: assessing biodiversity assets of the coral reef;
and 5: analyzing the dynamic change of the coral reef biodiversity assets.
2. A method for assessing coral reef biodiversity assets as recited in claim 1, wherein: the specific process in the step 1 is as follows:
selecting a research area, developing coral reef biodiversity investigation according to coral reef ecology monitoring technical regulation HY/T082-.
3. A method for assessing coral reef biodiversity assets as recited in claim 1, wherein: the specific process in the step 2 is as follows:
the following formula is used for the calculation,
wherein H is a diversity index, niIs the number of individuals of the ith species, N is the total number, and S is the total number of species.
4. A method for assessing coral reef biodiversity assets as recited in claim 1, wherein: the specific process of the step 3 is as follows:
the following calculation formula is designed for the calculation,
wherein BI is a health index of the coral reef community, HiIs the diversity index of the class i biological group, Hi0The health value of the diversity index of the ith class of biological group can be selected as the ecological parameters of the reef area in the undisturbed period or the ecological parameters of the adjacent area undisturbed coral reef, and n is the number of the biological group.
5. A method for assessing coral reef biodiversity assets as recited in claim 1, wherein: the specific process of the step 4 is as follows:
designing a calculation formula to carry out calculation,
V＝p*BI
wherein V is coral reef biodiversity asset and p is mean unit asset 49258($/ha/year) of global healthy coral reef biodiversity; BI is a coral reef biological community health index.
6. A method for assessing coral reef biodiversity assets as recited in claim 1, wherein: the specific process of the step 5 is as follows:
the following calculation formula is designed for calculation,
ΔV＝Vm-Vn
wherein Δ V is a dynamic variation value of coral reef biodiversity assets between the mth year and the nth year; vmAssets in m years; vnIs an n year asset.
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