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Shallow lake ecosystem regulation and stability maintenance method

A technology for ecosystems and lakes, applied in the field of shallow lake ecosystems, can solve problems such as complex ecosystems and poor effects of a single control technology, and achieve the effects of improving the ecological environment, promoting a virtuous cycle, and a good environment

Inactive Publication Date: 2020-06-09
SHANGHAI OCEAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0014] The purpose of the present invention is to overcome the defects of complex ecological system and poor effect of a single control technology in the prior art, and provide a method for integrating various control technologies to comprehensively control the ecological system

Method used

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  • Shallow lake ecosystem regulation and stability maintenance method
  • Shallow lake ecosystem regulation and stability maintenance method
  • Shallow lake ecosystem regulation and stability maintenance method

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Embodiment Construction

[0044] The specific embodiments of the present invention will be further described below in conjunction with the drawings.

[0045] In the following, taking Ge Lake as an example, the method for regulating and stabilizing the shallow lake ecosystem provided by the present invention will be specifically described.

[0046] The method steps are as follows:

[0047] (1) Use the ecopath model to evaluate Gehu Lake to obtain the distribution of different trophic levels, the strength of each trophic level, and the biomass of different functional groups in the lake’s ecosystem, and then analyze and evaluate whether the lake is nutritionally unbalanced and unbalanced factors The categories and impacts are as follows:

[0048] Ecopath Model of Gehu Lake Ecosystem in 2010:

[0049] The function group settings are as follows:

[0050] Table 1 The names of the functional groups of Ge Lake ecosystem and their species

[0051]

[0052]

[0053] Through the function group settings, biomass, production / ...

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Abstract

The invention discloses a shallow lake ecosystem regulation and stability maintenance method. The method comprises the following steps: (1) evaluating a to-be-regulated shallow lake, obtaining different nutrient level distributions, the functional strength of each nutrient level and the biomass of different functional groups in an ecological system of the lake, and further analyzing and evaluatingwhether the lake is unbalanced in nutrition and the category and influence of unbalance factors; (2) regulating and controlling multi-nutrient-level biological proliferation; (3) recovering the vegetation in the shallow water area and reconstructing the wetland; (4) after a period of time, repeating the operations in the steps (1), (2) and (3); and (5) carrying out combined regulation and controlon the water quality and the water quantity of the shallow lake to be regulated and controlled, detecting the rainfall of the area where the lake is located, monitoring the reservoir capacity replacement of the lake, obtaining water area characteristics, nutrition imbalance conditions and aquatic organism community functional group composition according to the hydrodynamic model, and periodicallydetecting and verifying the physicochemical indexes of the water body. The method provided by the invention has a good regulation and control effect on the ecological system, and can enable the ecological system to maintain dynamic balance for a long time.

Description

Technical field [0001] The invention belongs to the technical field of shallow lake ecosystems, and relates to a method for regulating and stabilizing the shallow lake ecosystem. Background technique [0002] The regulation of lake ecosystems includes regulation of lake water conservancy (hydrology and hydrodynamics, etc.), physical and chemical environmental factors (nitrogen, phosphorus input, and dissolved oxygen in water, etc.), and regulation of ecosystem food web structure (biodiversity, fish and various The regulation of aquatic organisms, etc., the regulation of functions (material circulation and energy flow paths), and the comprehensive regulation of all these factors in different combinations or all factors. The stability maintenance technology of the lake ecosystem means that on the basis of the above-mentioned various adjustments, the various inputs and outputs of the ecosystem (such as water volume, nutrients, etc.) tend to be more balanced, biodiversity increase, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/32C02F101/30
CPCC02F3/327C02F2101/30C02F2103/007C02F2209/02C02F2209/06C02F2209/11C02F2209/22
Inventor 胡忠军王亚坤刘其根孔优佳朱勇花少鹏
Owner SHANGHAI OCEAN UNIV
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