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Fish habitat protection and habitat construction method based on ecological base flow regulation and control

A fish habitat and construction method technology, applied in the field of fish habitat protection and habitat construction based on ecological base flow regulation, can solve problems such as lack of fish habitat needs

Pending Publication Date: 2021-08-10
中电建华东勘测设计研究院(郑州)有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing fish habitat protection measures are based on engineering experience, constructing artificial habitats, and lack of understanding of fish ecological habits and habitat needs

Method used

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  • Fish habitat protection and habitat construction method based on ecological base flow regulation and control
  • Fish habitat protection and habitat construction method based on ecological base flow regulation and control
  • Fish habitat protection and habitat construction method based on ecological base flow regulation and control

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Example 1: Protection and Habitat Construction Method of Tomography 1

[0039] The steps of the habitatic protection method of the fish habitat in this embodiment are as follows:

[0040] (1) Survey and simulation of fish spawning

[0041] Status quo: divided into two 汊 汊, is divided into river shacks, the substrate is pebble and gravel, the water flow is more urgent, suitable for fish production in rapids and tacky ovity, such as rouge fish, white Turtang, southern, 鲇, big solid, etc., the river section is also a small-scale production of drifting ovals, such as long thin, red-eyed, silver, black fin, silver, kiss , Snake, Yichang, plowing, etc.

[0042] In 100m 3Under / s flow conditions, the simulation results of hydraulics and physical habitats in the tall form 1 Image 6 As shown, the restriction of the drain gate in the dummy peter 1 is the best quality of the river section of the river section of the i area, so the proofer 1 will be mainly protected, with moderate pla...

Embodiment 2

[0049] Example 2: Protection and Habitat Construction Method of Tomography 2

[0050] The steps of the habitatic protection method of the fish habitat in this embodiment are as follows:

[0051] (1) Survey and simulation of fish spawning

[0052] Status of tallock 2: The laying outlet is made up of three rivers, and the right side is a large side. After a small river is mixed, the river is formed to form a pebble, gravel shoal, the shoal continues to extend downstream, and constantly raise After a converge with the left bank river, it forms a small island in the heart. The right side of the island is slightly narrow, but the water is gradually deepened. The water flow in the field is more urgent, suitable for lips flower Wheat fish, 鲿 科, 鮡 科, 鲇, southern, yellow squid, Wanzhuang fish, etc., the beach is a deep pool area, suitable for fish in front and reassessing, or Winter.

[0053] In 100m 3 Under / s flow conditions, the hydraulics and physical habitat simulation results Figu...

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Abstract

The invention belongs to the technical field of river network ecological research, and particularly relates to a fish habitat protection and habitat construction method based on ecological base flow regulation and control. Habitat protection is carried out on the most important and sensitive fish spawning site in the fish habitat; By ecological flow regulation and control, blocking influence of water retaining buildings and immigrant land reclamation projects on the longitudinal and transverse connectivity of the main river is reduced to ensure the river network has enough fish habitat area; according to the requirement for the applicability of the roe habitat, the required diversified aquatic habitat is provided for fish oviposition, overwintering and bait rearing by arranging the roe gravel marginal beach, the permeable weir, the deep pool area, the log matrix and the aquatic plants.

Description

Technical field [0001] The present invention belongs to the field of river network ecological research, and in particular, the present invention relates to a method of protecting and housing construction methods based on eco-flow-regulated fish habitat. Background technique [0002] The construction of water conservancy and hydropower projects has also changed the hydrological conditions of the original river wetland ecosystem, and the construction dam blocks the river, causing the crushing of habitats. A significant impact on aquatic organism especially fish. [0003] How to protect in development, developing in protection is a key issue that hydropower engineering construction must face and solve. The development of water conservancy and hydropower projects makes a major change in the seasonality of river network, and has changed the fish habitat, thereby existed problems such as river net fish habitat. Conventional measures for fish resource protection include proliferation an...

Claims

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Application Information

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IPC IPC(8): G06Q10/06G06Q50/26
CPCG06Q10/06393G06Q50/26
Inventor 盛晟周国旺施家月白福青关永发高荣郭雪琪刘润汀
Owner 中电建华东勘测设计研究院(郑州)有限公司
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