Construction method of fish habitats in inland waterway engineering

A fish habitat and construction method technology, applied in the field of inland waterways, can solve the problems of inability to construct fish water depth, flow velocity, bottom quality, water temperature, etc., and achieve the effect of improving hydrodynamic structural conditions and rich terrain.

Inactive Publication Date: 2019-09-20
TIANJIN RES INST FOR WATER TRANSPORT ENG M O T
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, structures such as fish nest revetments and artificial fish nests provide sheltered habitats for fish, but the habitats (spawning grounds, feeding grounds, wintering grounds and migration passages) that fish depend on at each st

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  • Construction method of fish habitats in inland waterway engineering
  • Construction method of fish habitats in inland waterway engineering
  • Construction method of fish habitats in inland waterway engineering

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Embodiment Construction

[0020] In order to further understand the invention content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:

[0021] In order to achieve the dual goals of development and utilization of river navigation functions and ecological protection and restoration, the concept of the present invention is to provide a method for constructing fish habitats in inland waterway engineering, using branch side ditches connected with the main navigation channel on the river side beach Or the backwater area of ​​the river bend to create a habitat space suitable for fish habitat, spawning and foraging; within the scope of the main navigation channel regulation line, the improved regulation dam type is used to create a habitat suitable for fish habitat, spawning and foraging space.

[0022] This method includes the layout of the renovation project applicable to different...

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Abstract

The invention discloses a construction method of fish habitats in inland waterway engineering. The construction method comprises the steps that a tributary arm side ditch or a river bend backwater area communicating with a main navigation channel is adopted on a river marginal bank so as to build a habitat space suitable for inhabiting, spawning and foraging of fishes; and the regulated dam body type is adopted within the range of a regulation line of the main navigation channel to build a habitat space suitable for inhabiting, spawning and foraging of the fishes. The diversified habitats suitable for inhabiting of the fishes are constructed correspondingly in different areas in the river marginal bank and the main navigation channel through regulation engineering layout and regulated dam body structural improvement. 1, in space, the construction method can be suitable for the different areas such as the river marginal bank and the main navigation channel, and the construction requirements of the fish habitats in different river forms are met; 2, in function, the function of river ecological protection is met; and 3, ecologically, the hydrodynamic framework conditions in the main navigation channel are improved, and the diversified habitats which are in a flow state and abundant in terrain are built.

Description

technical field [0001] The invention belongs to the technical field of inland waterways and relates to a method for constructing fish habitats in inland waterway engineering. Background technique [0002] As an important way to utilize river water resources, the development of inland shipping, with the goal of building a waterway that satisfies the safety and efficient navigation of ships, is bound to transform the natural shape of natural rivers, which are wide and shallow, through bank protection, damming, dredging and other engineering measures. Narrow, uniform, and convenient water transport channels destroy or occupy the natural habitat space of fish, reduce the morphological diversity of natural rivers, and lead to the loss of biological habitats, the decrease in the number of species, and even the extinction of some species . Under the background that the country is accelerating the reform of the ecological civilization system, building a beautiful China, and promoti...

Claims

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Application Information

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IPC IPC(8): E02B3/00E02B7/00E02B8/08
CPCE02B3/00E02B7/00E02B8/08Y02A40/60
Inventor 邢岩吕彪赵丹禄马殿光
Owner TIANJIN RES INST FOR WATER TRANSPORT ENG M O T
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