Plant screening and community construction method suitable for urban landscape water body remediation

A water body restoration and urban landscape technology, applied in chemical instruments and methods, biological water/sewage treatment, water/sludge/sewage treatment, etc. Repair effect, promote stability, improve stability effect

Pending Publication Date: 2022-05-10
HUBEI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Although the species diversity of the community has the potential to improve its absorption of nitrogen and phosphorus, the current application of aquatic plants to purify water mostly

Method used

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Examples

Experimental program
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Embodiment Construction

[0020] The principles and features of the present invention are described below, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0021] A plant screening method suitable for urban landscape water body restoration, characterized in that the propagation materials of ornamental emergent plants water onion, cattail, iris, calamus, canna, and japonica are collected, and are planted and cultivated in the following manner respectively in a container loaded with Inside the storage box of constructed wetland matrix:

[0022] 1) Each plant is planted separately in the storage box;

[0023] 2) Plant the plants with the same growth type in the storage box;

[0024] Include the following steps:

[0025] 1) Add nutrition regularly;

[0026] 2) Monitor plant growth and water quality indicators;

[0027] 3) Judging the competitiveness of different plant species according to the growth status of the ...

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Abstract

The invention relates to a plant screening and community construction method suitable for urban landscape water body remediation, which is characterized in that propagation materials of scirpus tabernaemontani, typha orientalis, iris tectorum, acorus calamus, canna indica and thalia dealbata are collected and planted in a storage box loaded with an artificial wetland substrate in the following mode: 1) each plant is independently planted in the storage box; 2) planting the plants with the same growth type in a storage box in a combined manner; comprising the following steps: 1) regularly adding nutrients; 2) monitoring plant growth and water quality indexes; and 3) judging the competitiveness of different plant species according to the growth condition of the plant and the removal effect of nitrogen and phosphorus elements in the water body so as to perform screening. Six plants are planted in a storage box in a mixed mode, a community is constructed, and by means of ecological niche differences among different plants, inter-species competition is expected to be weakened, and absorption and utilization of the plants to nitrogen and phosphorus in the eutrophic water body are promoted.

Description

technical field [0001] The invention relates to the field of restoration of eutrophic water bodies, in particular to a plant screening and community building method suitable for restoration of urban landscape water bodies. Background technique [0002] As an important part of urban water ecological environment, urban landscape water body can optimize the living environment and is closely related to people's quality of life. Compared with natural water bodies such as lakes and rivers, most urban landscape water bodies are closed water bodies, which have the characteristics of small water area and poor fluidity. With the development of industry and the increase of population density, a large amount of NO and NO contained in automobile exhaust 2 Such gases and surface nutrients enter the urban landscape water body along with rainwater and surface runoff, in addition to the intrusion of domestic garbage. The input of these external nutrients leads to excessive nitrogen and phos...

Claims

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Application Information

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IPC IPC(8): C02F3/32
CPCC02F3/32
Inventor 崔姗姗陈全陈湘戴璨
Owner HUBEI UNIV
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