CN115825394A - Method for measuring and evaluating versatility of constructed wetland ecosystem - Google Patents

Method for measuring and evaluating versatility of constructed wetland ecosystem Download PDF

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CN115825394A
CN115825394A CN202211595477.XA CN202211595477A CN115825394A CN 115825394 A CN115825394 A CN 115825394A CN 202211595477 A CN202211595477 A CN 202211595477A CN 115825394 A CN115825394 A CN 115825394A
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value
soil
measuring
content
ecosystem
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郭卫华
许振伟
郭霄
崔兆杰
胡奕
王警锋
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Shandong University
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Shandong University
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Abstract

The invention relates to a method for measuring and evaluating the versatility of an artificial wetland ecosystem, which comprises the steps of measuring six ecosystem functions of primary productivity on the ground, litter degradation rate, soil total nitrogen content, soil total phosphorus content, soil organic carbon content and water content, eliminating an abnormal value of each measured single-function numerical value by adopting a box plot method, standardizing data with the abnormal values eliminated, then summing up the standardized values of the single functions of all the ecosystems, and then dividing by the total number of the ecological functions to obtain the ecosystem versatility value with the value range of 0-1. The functionality of the artificial wetland ecosystem can be comprehensively known, and the measuring method is simple and feasible.

Description

Method for measuring and evaluating versatility of constructed wetland ecosystem
Technical Field
The invention relates to a method for measuring and evaluating the versatility of an artificial wetland ecosystem, belonging to the technical field of ecosystem function evaluation.
Background
The wetland ecosystem is an artificial complex polluted ecosystem consisting of high and low organisms mainly comprising large aquatic plants and a substrate in a water saturation state, which is suitable for living under the polluted environment condition, and has an ecological value which is difficult to replace for protecting species and maintaining biological diversity. The artificial wetland ecosystem can provide a plurality of ecosystem functions, so that the evaluation of the versatility of the artificial wetland ecosystem has important significance, and the current research basically evaluates the single function of the ecosystem, but a method for evaluating and evaluating the plurality of ecosystem functions of the artificial wetland ecosystem is lacked.
Chinese patent document 201610943423.6 discloses a method for basin four-stage zoning by combining land factors and water factors, which adopts region differentiation based on land factors influencing water quantity and water quality of a basin water ecosystem and combines the secondary zoning image layer to carry out three-stage zoning so as to generate a three-stage zoning image layer; performing river reach main type division on the watershed according to the regional difference of water factors influencing the ecological environment of aquatic organisms in the watershed, and generating a river reach main type set; and generating a water ecological function subarea map of the drainage basin according to the three-level subarea map layers and the river reach main type set. However, the method focuses on the watershed with a large range of optical scale to perform ecological function division, is not suitable for the artificial wetland ecosystem with a small range, and in addition, the method does not perform unified evaluation on the functions of a plurality of ecosystems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a method for measuring and evaluating the versatility of the artificial wetland ecosystem, which can comprehensively understand the functionality of the artificial wetland ecosystem by measuring six ecosystem functions of overground primary productivity, litter degradation rate, soil total nitrogen content, soil total phosphorus content, soil organic carbon content and water conservation quantity, and the measuring method is simple and feasible.
In order to solve the problems, the invention is realized by the following technical scheme:
a method for measuring and evaluating the versatility of an artificial wetland ecosystem comprises the following steps:
1) Measuring each single function of the artificial wetland ecosystem, wherein the single functions of the artificial wetland ecosystem comprise aboveground primary productivity, litter degradation rate, soil total nitrogen content, soil total phosphorus content, soil organic carbon content and water conservation quantity;
2) Standardizing ecological single functionality, namely removing abnormal values from each measured single-function numerical value by adopting a box-line graph method, and standardizing data from which the abnormal values are removed, wherein the standardization is that the data are converted by adopting a maximum value to obtain a standardized value, and the standardized value is = (an actual measured value-a minimum value)/(a maximum value-a minimum value); the maximum value is the maximum value in the single-function value set of a certain actually-measured ecological system after the abnormal value is removed, and the minimum value is the minimum value in the single-function value set of the certain actually-measured ecological system after the abnormal value is removed;
3) And calculating the ecological system multifunctional value, summing the standardized values of the single functions of all the ecological systems, and dividing the sum by the total number of the ecological functions to obtain the ecological system multifunctional value with the value range of 0-1.
According to a preferred embodiment of the invention, the above-ground primary productivity is determined as follows:
at the end of 10 months per year, 1X 1m was collected 2 The whole biomass of the above-ground plants was sealed, dried at 80 ℃ for 48 hours, and the dried mass was weighed as the primary productivity of the colony.
Preferably, the litter degradation rate is determined by the following method according to the invention:
drying reed leaves of common plants in the wetland at 75-85 ℃ for 48h, cutting the reed leaves into small segments of 1-4cm, weighing 10g of reed leaves into plastic mesh bags with the aperture of 1mm, the length of 15cm and the width of 10cm, burying the plastic mesh bags in the depth of 4-6cm of wetland soil in 4 months, taking out the plastic mesh bags at the end of 10 months, washing the plastic mesh bags with clear water, drying the reed leaves of the common plants in the wetland at 80 ℃ for 48h, wherein the weight difference of the two times is the degradation rate of litters.
According to the invention, the method for measuring the total nitrogen content of the soil is preferably as follows:
and at the end of 10 months, collecting the soil of the wetland, drying the soil in a shady and ventilated environment for one month, and then measuring the total nitrogen content of the soil by adopting a high-temperature digestion-Kjeldahl method.
Preferably, the total phosphorus content of the soil is determined by measuring the total phosphorus content of the soil by a molybdenum-antimony colorimetric-resistance method.
According to the invention, the soil organic carbon content is preferably determined by an external heating-potassium dichromate method.
According to a preferred embodiment of the present invention, the method for measuring the water content is as follows:
and (3) adding 10L of distilled water under the wet land dry water level condition, and measuring the change condition of the soil water content.
The high-temperature digestion-Kjeldahl method, the molybdenum-antimony colorimetric resistance method and the external heating-potassium dichromate method are all common methods in the field.
The invention has the technical characteristics and advantages that:
1. according to the evaluation and determination method disclosed by the invention, six ecosystem functions, namely the aboveground primary productivity, the litter degradation rate, the soil total nitrogen content, the soil total phosphorus content, the soil organic carbon content and the water conservation amount, are determined, so that the functionality of the artificial wetland ecosystem can be comprehensively known, and the measurement mode and the method are simple and feasible.
2. The evaluation and determination method provided by the invention performs determination through six ecosystem functions, and is simple and reliable.
Drawings
FIG. 1 is normalized ecosystem single function data;
fig. 2 is data of calculated and evaluated ecosystem versatility.
Detailed Description
The following examples are intended to further illustrate the present invention, but the scope of the invention as claimed should not be limited to the examples.
Example 1
A method for measuring and evaluating the versatility of an artificial wetland ecosystem comprises the following steps:
1) The basic situation of artificially constructing a wetland ecosystem is as follows: the wetland ecosystem is 1 multiplied by 1m 2 The system comprises two different plant combination type plant communities, wherein the plant community A comprises 200 suaeda salsa and 200 suaeda salsa, the plant community B comprises 200 reed and 200 cattail, and each plant combination comprises 4 repeats;
2) The method comprises the following steps of (1) measuring the single functions of the ecological system, including aboveground primary productivity, litter degradation rate, soil total nitrogen content, soil total phosphorus content, soil organic carbon content and water conservation quantity;
measurement of Primary Productivity at the end of 10 months per year, the entire biomass of 1X 1m2 above-ground plants was collected, put into envelopes, dried at 80 ℃ for 48 hours, and the dried mass was weighed as the primary productivity of the colony.
And (3) drying reed leaves of common plants in the wetland at 80 ℃ for 48 hours, cutting the reed leaves into small sections of 2cm, and weighing 10g reed leaves into plastic mesh bags with the aperture of 1mm, the length of 15cm and the width of 10 cm. Burying in 5cm depth of wetland soil in 4 months, taking out the plastic mesh bag at the end of 10 months, washing with clear water, drying reed leaves of wetland common plants at 80 deg.C for 48h, and making the mass difference of two times be the degradation rate of litters.
At the end of 10 months, collecting the soil of the wetland, drying the soil in a shady and ventilated environment for one month, then determining the total nitrogen content of the soil by adopting a high-temperature digestion-Ky type nitrogen determination method, determining the total phosphorus content of the soil by adopting a molybdenum-antimony colorimetric resistance method, and determining the organic carbon content of the soil by adopting an external heating-potassium dichromate method.
And (3) adding 10L of distilled water under the wet land dry water level condition, and measuring the change condition of the soil water content.
3) Standardizing ecological single functionality, namely removing abnormal values from each measured single-function numerical value by adopting a box-line graph method, and standardizing data from which the abnormal values are removed, wherein the standardization is that the data are converted by adopting a maximum value to obtain a standardized value, and the standardized value is = (an actual measured value-a minimum value)/(a maximum value-a minimum value); the maximum value is the maximum value in the single-function value set of a certain actually-measured ecological system after the abnormal value is removed, and the minimum value is the minimum value in the single-function value set of the certain actually-measured ecological system after the abnormal value is removed;
the normalized values of the aboveground primary productivity, the degradation rate of the litters, the total nitrogen content of the soil, the total phosphorus content of the soil, the organic carbon content of the soil and the water conservation quantity are shown in figure 1:
4) And calculating the ecological system multifunctional value, summing the standardized values of the single functions of all the ecological systems, and dividing the sum by the total number of the ecological functions to obtain the ecological system multifunctional value with the value range of 0-1, wherein the calculated and evaluated data of the ecological system multifunctional value are shown in figure 2, so that the functions of the artificial wetland ecological system can be comprehensively known, and the measuring method is simple and feasible.

Claims (7)

1. A method for measuring and evaluating the versatility of an artificial wetland ecosystem comprises the following steps:
1) Measuring each single function of the artificial wetland ecosystem, wherein the single functions of the artificial wetland ecosystem comprise aboveground primary productivity, litter degradation rate, soil total nitrogen content, soil total phosphorus content, soil organic carbon content and water conservation quantity;
2) Standardizing ecological single functionality, namely removing abnormal values from each measured single-function numerical value by adopting a box-line graph method, and standardizing data from which the abnormal values are removed, wherein the standardization is that the data are converted by adopting a maximum value to obtain a standardized value, and the standardized value is = (an actual measured value-a minimum value)/(a maximum value-a minimum value); the maximum value is the maximum value in the single-function value set of a certain actually-measured ecological system after the abnormal value is removed, and the minimum value is the minimum value in the single-function value set of the certain actually-measured ecological system after the abnormal value is removed;
3) And calculating the ecological system multifunctional value, summing the standardized values of the single functions of all the ecological systems, and dividing the sum by the total number of the ecological functions to obtain the ecological system multifunctional value with the value range of 0-1.
2. The method according to claim 1, wherein the aboveground primary productivity is determined by:
at the end of 10 months per year, 1X 1m was collected 2 The whole biomass of the above-ground plants was sealed, dried at 80 ℃ for 48 hours, and the dried mass was weighed as the primary productivity of the colony.
3. The method of claim 1, wherein the litter degradation rate is determined by:
drying reed leaves of common plants in the wetland at 75-85 ℃ for 48h, cutting the reed leaves into small sections of 1-4cm, weighing 10g reed leaves into plastic mesh bags with the aperture of 1mm, the length of 15cm and the width of 10cm, burying the plastic mesh bags in the depth of 4-6cm of wetland soil in 4 months, taking out the plastic mesh bags at the end of 10 months, washing the plastic mesh bags clean with clear water, drying the reed leaves of the common plants in the wetland at 80 ℃ for 48h, wherein the weight difference of the two times is the degradation rate of litters.
4. The method of claim 1, wherein the total nitrogen content of the soil is determined by the following method:
and at the end of 10 months, collecting the soil of the wetland, drying the soil in a shady and ventilated environment for one month, and then measuring the total nitrogen content of the soil by adopting a high-temperature digestion-Kjeldahl method.
5. The method of claim 1, wherein the total phosphorus content of the soil is determined by measuring the total phosphorus content of the soil using a molybdenum-antimony colorimetric-resistance method.
6. The method of claim 1, wherein the soil organic carbon content is determined by an external heating-potassium dichromate method.
7. The method according to claim 1, wherein the moisture content is measured by the following method:
and (3) adding 10L of distilled water under the wet land dry water level condition, and measuring the change condition of the soil water content.
CN202211595477.XA 2022-12-13 2022-12-13 Method for measuring and evaluating versatility of constructed wetland ecosystem Pending CN115825394A (en)

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Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6699709B1 (en) * 1997-12-10 2004-03-02 Torben A. Bonde Method for determination of the gross nitrogen-mineralization rate of a soil sample
CN103103960A (en) * 2013-02-06 2013-05-15 重庆绿融环保科技有限公司 Integrated method of lake water environment management
CN105784968A (en) * 2016-03-07 2016-07-20 江苏大学 Method for dynamically determining content of reed-litter organic matter transferred to soil
CN106446281A (en) * 2016-11-01 2017-02-22 北京师范大学 Method for four-stage zoning of drainage basin with combination of land area factors and water body factors
CN107133453A (en) * 2017-04-19 2017-09-05 中国科学院东北地理与农业生态研究所 A kind of Valuation Method of Wetland Ecosystem service function
CN107368943A (en) * 2017-06-12 2017-11-21 青海师范大学 A kind of wetland recovery effect evaluation method
JP2018075567A (en) * 2017-12-28 2018-05-17 ジー・ロバート・ホワイトマンG.Robert WHITEMAN System and method for reducing sludge produced in effluent treatment facility
CN110544046A (en) * 2019-09-10 2019-12-06 中国科学院大学 Wetland ecosystem stability evaluation method and system
CN112378724A (en) * 2020-11-27 2021-02-19 大连海洋大学 Method for determining functions of river ecosystem
CN112465332A (en) * 2020-11-24 2021-03-09 山东大学 Method for evaluating stability of ecological geological environment of urban artificial wetland park
CN113919723A (en) * 2021-10-19 2022-01-11 山东大学 Constructed wetland system blocking risk assessment method
CN114943404A (en) * 2022-03-30 2022-08-26 北京师范大学 Wetland water shortage ecological risk assessment method based on ecosystem service balance
CN115250840A (en) * 2022-08-05 2022-11-01 山东大学 Method for rapidly improving functions of multiple wetland ecosystem

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6699709B1 (en) * 1997-12-10 2004-03-02 Torben A. Bonde Method for determination of the gross nitrogen-mineralization rate of a soil sample
CN103103960A (en) * 2013-02-06 2013-05-15 重庆绿融环保科技有限公司 Integrated method of lake water environment management
CN105784968A (en) * 2016-03-07 2016-07-20 江苏大学 Method for dynamically determining content of reed-litter organic matter transferred to soil
CN106446281A (en) * 2016-11-01 2017-02-22 北京师范大学 Method for four-stage zoning of drainage basin with combination of land area factors and water body factors
CN107133453A (en) * 2017-04-19 2017-09-05 中国科学院东北地理与农业生态研究所 A kind of Valuation Method of Wetland Ecosystem service function
CN107368943A (en) * 2017-06-12 2017-11-21 青海师范大学 A kind of wetland recovery effect evaluation method
JP2018075567A (en) * 2017-12-28 2018-05-17 ジー・ロバート・ホワイトマンG.Robert WHITEMAN System and method for reducing sludge produced in effluent treatment facility
CN110544046A (en) * 2019-09-10 2019-12-06 中国科学院大学 Wetland ecosystem stability evaluation method and system
CN112465332A (en) * 2020-11-24 2021-03-09 山东大学 Method for evaluating stability of ecological geological environment of urban artificial wetland park
CN112378724A (en) * 2020-11-27 2021-02-19 大连海洋大学 Method for determining functions of river ecosystem
CN113919723A (en) * 2021-10-19 2022-01-11 山东大学 Constructed wetland system blocking risk assessment method
CN114943404A (en) * 2022-03-30 2022-08-26 北京师范大学 Wetland water shortage ecological risk assessment method based on ecosystem service balance
CN115250840A (en) * 2022-08-05 2022-11-01 山东大学 Method for rapidly improving functions of multiple wetland ecosystem

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
崔兆杰等: "生态市可持续发展指标体系的建立和评价方法研究", 《科学技术与工程》, vol. 6, no. 13, 31 July 2006 (2006-07-31), pages 1863 - 1868 *
朱蕾: "《土地利用/覆被变化及对生态安全的影响研究》", 28 February 2022, 上海财经大学出版社, pages: 140 - 142 *
许振伟: "黄河三角洲滨海湿地生态系统多功能性的生物与非生物驱动机制", 《博士论文电子期刊》, 16 January 2024 (2024-01-16), pages 2 - 3 *

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