Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Method of restoring nutrition enriched shallow lake aquatic vegetation

A technology for aquatic vegetation and eutrophication, applied in chemical instruments and methods, water/sewage treatment, biological water/sewage treatment, etc., can solve problems that cannot be realized, unsatisfactory results, manpower and material resources, etc., and achieve remarkable results , Restoring biodiversity, the effect of less investment

Inactive Publication Date: 2004-08-18
中国科学院武汉植物研究所
View PDF0 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] To sum up, restoring the water quality of eutrophic water bodies can be partly solved by engineering methods. The disadvantage is that it needs long-term and continuous investment of manpower, material resources and huge financial resources, and the effect is not ideal.
Restoring stable aquatic vegetation is an effective way to restore water quality in eutrophic water bodies, but is not yet possible with existing technologies

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] 1. Carry out a comprehensive survey on the water body where the vegetation restoration is carried out, select the area with a relatively low eutrophication degree as the leading area for vegetation restoration, and divide this area into several basic restoration units with an area of ​​5 to 10 mu;

[0028] 2. Establish a plant-based biological fence along the edge of the restoration unit, using wild rice as the skeleton plant of the biological fence;

[0029] 3. In the recovery unit, sow the dormant buds of A. chinensis and the winter buds of Erythrina chinensis in autumn. The sowing site is selected in a shallow water area with a water depth of 0.5-1.50 meters, and the density is 5-15 pieces / square meter;

[0030] 4. At the end of spring of the second year, when the dormant buds start to enter the decline period, supplement the propagules or seedlings of Erythrina fragrans, and at the same time introduce the seedlings of hornwort and P. spicaculata, so that the recovery...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

A method for restoring aquatic vegetation in eutrophicated shellow lake features that the hygrophyte, emergent aquatic plant and flootingleaf and floating plants are used to create a biologic fence for improving the local environment of outrophicated water, and the pilot nursing spermatophyte, following equatic and target plants are gradually introduced into the said fence to form a stable cycle of different aquatic plants in the year round.

Description

Technical field: [0001] The invention relates to environmental control by biological methods, in particular to the use of aquatic plants to control the water body environment, and more specifically to a method for restoring stable aquatic vegetation in eutrophic shallow lakes. Background technique: [0002] The eutrophication standard of water bodies is mainly determined based on the concentration of nutrients such as nitrogen and phosphorus and related physical and chemical indicators. The so-called eutrophication in the present invention refers to: the total nitrogen concentration in the water body is 0.3~1 mg / liter, the total phosphorus concentration is 0.01~0.05 mg / liter, and the biological oxygen consumption (BOD) is 5~8 mg / liter, The chemical oxygen demand (COD) is 7-10 mg / L, and the transparency is 1-0.5 meters. The shallow water lake referred to in the present invention refers to a lake with a water depth of less than 6 meters or a water area within a lake with a wa...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/00C02F3/32
CPCY02W10/10Y02W10/37
Inventor 李伟
Owner 中国科学院武汉植物研究所
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com