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Living environment recovery method suitable for aquatic organisms in riparian zone of high-fall high-slope river

A technology of aquatic organisms and restoration methods, applied in the direction of botanical equipment and methods, bank walls, and piers, can solve the problems of difficult habitat restoration and poor traffic conditions for aquatic organisms and fish in the riparian zone, and achieve species enrichment and shortened germination Time, Adaptive Effects

Pending Publication Date: 2022-04-26
HUANENG YARLUNG TSANGPO RIVER HYDROPOWER DEV INVESTMENT CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Rivers with high drop and high slope are generally located in alpine valleys, with high mountains and deep valleys, twists and turns, and poor traffic conditions, which bring many difficulties and challenges to the restoration of aquatic organisms and fish habitats in the riparian zone.
At present, there is no report on a habitat restoration method suitable for aquatic organisms in the riparian zone of rivers with high drop and high slope

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] This example provides a water-soluble ecological restoration bag, which includes: 1 mass part of aquatic plant species and 20 mass parts of aquatic plant growth composite matrix; Flower; Aquatic plant growth composite matrix comprises the following components by mass: 22 parts of decomposed seaweed, 18 parts of bagasse, 6 parts of mushroom residue, 6 parts of humic acid soil, 20 parts of vermicompost and 0.2 part of mixed bacteria liquid (mixed bacteria The active ingredient of the solution is composed of photosynthetic bacteria, nitrifying bacteria and denitrifying bacteria with a colony-forming unit ratio of 1:2:1).

[0025] In this example, the above-mentioned components can be commercially available unless otherwise specified; the average germination time of the seeds in this example is 11 days, and the survival rate of seedlings is 99.2%.

Embodiment 2

[0027] This example provides a water-soluble ecological restoration bag, which includes: 1 mass part of aquatic plant species and 20 mass parts of aquatic plant growth composite matrix; Flower; Aquatic plant growth composite substrate comprises the component of following mass parts: 25 parts of decomposed seaweed, 15 parts of bagasse, 6 parts of mushroom dregs, 6 parts of humic acid soil, 25 parts of vermicompost and 0.2 part of mixed bacteria liquid (mixed bacteria The active ingredient of the solution is composed of photosynthetic bacteria, nitrifying bacteria and denitrifying bacteria with a colony-forming unit ratio of 1:2:1).

[0028] In this example, if there is no special limitation, the above-mentioned components can adopt the commercially available products of Example 1; the average germination time of seeds in this example is 13 days, and the survival rate of seedlings is 98.5%.

Embodiment 3

[0030] This example provides a water-soluble ecological restoration bag, which includes: 1 mass part of aquatic plant species and 20 mass parts of aquatic plant growth composite matrix; Flower; Aquatic plant growth composite matrix comprises the following components by mass: 25 parts of decomposed straw, 15 parts of bagasse, 6 parts of mushroom residue, 6 parts of humic acid soil, 25 parts of cow dung and 0.2 part of mixed bacteria liquid (mixed bacteria The active ingredient of the solution is composed of photosynthetic bacteria, nitrifying bacteria and denitrifying bacteria with a colony-forming unit ratio of 1:2:1).

[0031] In this example, if there is no special limitation, the above-mentioned components can adopt the commercially available products of Example 1; the average germination time of seeds in this example is 17 days, and the survival rate of seedlings is 90.5%.

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PUM

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Abstract

The invention discloses a habitat restoration method suitable for aquatic organisms in a riparian zone of a high-fall high-slope river, and belongs to the technical field of ecological restoration, the habitat restoration method comprises the following steps: step (1), arranging ecological gabions on two sides of the riparian zone to form ecological gabion revetments; step (2), arranging stepped ecological gabions in the river channel along the water flow direction to form an ecological gabion bottom slope; (3) habitat block stones and herbaceous plants or shrubs are stacked among the stepped ecological gabions in the step (2), and an aquatic organism inhabitation area is constructed; and (4) cutting live shrub branches in the side slope area of the riparian zone to construct a habitat system. The method has the effects of stabilizing the riparian and providing a porous habitat for microorganisms and aquatic organisms, meanwhile, an emergent water-floating-submerged vegetation community is constructed by creating a suitable growth environment for riparian zone plants, and a guarantee is provided for habitat recovery and reconstruction of the aquatic organisms in the riparian zone of the high-fall high-slope river.

Description

technical field [0001] The invention relates to the technical field of ecological restoration, in particular to a habitat restoration method suitable for aquatic organisms in the riparian zone of rivers with high drop and high gradient. Background technique [0002] China is one of the countries with many rivers in the world. There are 35 independent water systems and 16 major river basins. Each main river has hundreds of tributaries, which run through cities, farmland and reservoirs from the main stream to the tributaries. , lakes, and the pollution of each river will lead to point, non-point source pollution, estuary pollution and pollution, and ultimately lead to the risk that aquatic organisms and fish provincial bases will be threatened. In recent years, with the rapid development of social and economic construction, the demand for power energy and water resources is also increasing. In order to meet these needs, many countries in the world have built many water conserv...

Claims

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Application Information

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IPC IPC(8): E02B1/00E02B3/00E02B3/06E02B3/12A01G2/10A01G24/22A01G24/27A01G24/20A01G24/30
CPCE02B1/00E02B3/00E02B3/06E02B3/12E02B3/123A01G2/10A01G24/22A01G24/27A01G24/20A01G24/30
Inventor 杨佐斌亢庆严冬黄伟杰刘跃峰王建国唐建明郭伟周正权姜学兵刘松明黄俊赵晋兵刘敏涛秦沛源
Owner HUANENG YARLUNG TSANGPO RIVER HYDROPOWER DEV INVESTMENT CO LTD