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Ecological restoration method for lake oscillation water in plain river network area

A restoration method and plain river network technology, applied in chemical instruments and methods, natural water treatment, water/sewage multi-stage treatment, etc., can solve the problems of high maintenance costs, many artificial measures, and less natural restoration, and achieve low cost Effect

Active Publication Date: 2021-06-11
CHINESE RES ACAD OF ENVIRONMENTAL SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The main purpose of the present invention is to provide a method for ecological restoration of lake sloshing water in plain river network areas, so that it can solve the current overall governance of lake sloshing water, which leads to blindness in the process of governance, many artificial measures, and less natural recovery. Technical problems with high maintenance costs in the later period

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  • Ecological restoration method for lake oscillation water in plain river network area
  • Ecological restoration method for lake oscillation water in plain river network area
  • Ecological restoration method for lake oscillation water in plain river network area

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Embodiment Construction

[0052] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0053] It should be noted that, unless otherwise specified, technical terms or scientific terms used in this application shall have the usual meanings understood by those skilled in the art to which this application belongs.

[0054] Such as figure 1 As shown, a method for ecological restoration of lake sloshing water in the plain river network area proposed in Embodiment 1 of the present invention is used for 20% or less of the la...

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Abstract

The invention provides an ecological restoration method for lake oscillation water in a plain river network area. The ecological restoration method comprises the following steps: dividing a water area space into a shoal area, a transition area and a deep pool area according to a preset underwater elevation; according to the water body index data, judging key factors influencing the water quality in the shoal area and the transition area; according to a judgment result, respectively processing each subarea by adopting a mode of directly planting short eel grass or firstly carrying out turbidity reduction treatment and then planting the short eel grass; and then carrying out long-acting management and protection on the short vallisneria natans planted in the shoal area and the transition area. According to the method, the lake oscillation is subjected to zoning treatment, all the areas are treated in the mode including short vallisneria spiralis planting, long-acting management and protection are conducted on the short vallisneria spiralis in the later period, targeted zoning treatment is conducted on water ecological restoration of the lake oscillation, natural restoration of aquatic plants serves as the main body of restoration work, the later-period maintenance cost is low, and the method is worthy of popularization.

Description

technical field [0001] The application relates to the field of water environment management, in particular to a method for ecological restoration of lake dangling water in plain river network areas. Background technique [0002] The plain water network area is criss-crossed by rivers and ports and connected by lakes and lakes. It has unique ecological service functions such as pollutant interception, water purification, and eco-tourism. [0003] In recent years, due to the impact of regional urbanization, high-density water breeding, and increased pollution discharge, the wetland area of ​​the lake has decreased sharply, the ecological degradation of the water body has been seriously degraded, the biodiversity has decreased, the capacity of the water environment has decreased, and the self-purification capacity has decreased. The task of wetland ecosystem is arduous. Domestically, a lot has been done on the simple ecological restoration of river networks and lakes, mainly f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F3/32C02F103/00
CPCC02F3/327C02F2103/007
Inventor 王书航王鹏飞张博姜霞郭云艳周康
Owner CHINESE RES ACAD OF ENVIRONMENTAL SCI
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