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Construction method for ecology on embankment of intertidal zone in turbid water area

A construction method and intertidal zone technology, applied in botany equipment and methods, climate change adaptation, horticulture, etc., can solve problems such as ecological damage, impact, and impact on ecosystem biodiversity, so as to beautify the ecological landscape and prevent invasion Effect

Inactive Publication Date: 2013-05-22
NINGBO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, Spartina has great reproductive capacity, adaptability and stress resistance. It forms a dominant population in the intertidal zone, affects the biodiversity of the local ecosystem, causes ecological damage to the world area, and has a serious impact on tidal flat farming.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] Embodiment 1, on the intertidal zone embankment in the mixed water area on both banks of the Qiantang River, use stones to build a three-layer stepped rock marsh parallel to the embankment, and the distance between the upper surfaces of each layer of rock marsh is 30 to 60 centimeters. The width of each stone marsh is 30-60 cm, and the depth is 20-50 cm. The distance between the upper surface of the first layer of stone marsh and the high tide surface is 40 cm, and the distance between the upper surface of the third layer of stone marsh and the high tide surface is 120 cm; soak nylon in fresh water for 7 days and then boil it. When soaking in fresh water, it is best to change the water every two days, then mix it with sediment and stir evenly to form a plant attachment base. The weight ratio of nylon to sediment in terms of dry weight is 1:3~5, place the plant attachment base in the rock marsh, the height of the plant attachment base in the rock marsh is 1-2 cm; spread s...

Embodiment 2

[0011] Embodiment 2 is basically the same as Embodiment 1, except that stones are used to build a four-layer stepped stone marsh parallel to the embankment on the intertidal zone embankment in the mixed water area on both sides of the Yongjiang River. The distance between the surface and the high tide surface is 30 cm, and the distance between the upper surface of the fourth layer of stone marshes and the high tide surface is 150 cm; Ulva conglobata Kjellm) frond fragments.

Embodiment 3

[0012] Embodiment 3 is basically the same as Embodiment 2, except that stones are used to build a five-layer stepped rock marsh parallel to the embankment on the intertidal zone embankment in the mixed water area on both sides of the Yangtze River. The distance between the surface and the high-tide surface is 20 cm, and the distance between the upper surface of the fifth layer of stone marshes and the high-tide surface is 180 cm; Ulva Linza ) of the frond fragments. Various aquatic plants grow well within 180 cm underwater.

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Abstract

The invention discloses a construction method for ecology on an embankment of an intertidal zone in a turbid water area. A stepped stone natural pond which is parallel to the embankment is constructed. The distance between two adjacent stone natural ponds which are an upper stone natural pond layer and a lower stone natural pond layer is 30 cm to 60 cm, the distance between the upper surface of the upmost stone natural pond layer and a high tide surface is not less than 20 cm, and the distance between the upper surface of the lowest stone natural pond and the high tide surface is not larger than 180 cm. Plant adhesion bases which are made of mixture of nylon and sediment are placed in the stone natural pond, and thallus sections of agar weeds or stem thorn algae or floral ulva or ishigeokamurae or ulvalinza are sowed in the plant adhesion bases in the same layer. Each aquatic plant can grow well, and after two-year cultivation, a large amount of spores of the aquatic plants swim naturally in a spawning mode and grow adhering to inner sides of the stone natural pond and the embankment of the intertidal zone, so that the embankment of the intertidal zone has an ecology landscape which is formed of various plants, and invasion of common cordgrass is prevented. Ecological diversity of the intertidal zone is formed, the ecology landscape of the intertidal zone on the embankment is beautified, and cultivation on a mud flat of intertidal zone is benefitted.

Description

technical field [0001] The invention relates to the ecological construction technology of the coast, in particular to the ecological construction method on the embankment of the intertidal zone in the mixed water area. Background technique [0002] The coastal muddy water area is mainly composed of river estuaries and its adjacent areas, and the intertidal zone is mainly composed of Spartina ( Spartina anglica ) as the main ecological zone, which has certain functions in the fields of resisting typhoons, protecting banks and dikes, promoting siltation and land reclamation, and preventing eutrophication of water bodies. Offshore intertidal zone embankment has natural embankment and man-made embankment, natural embankment is a slope composed of mud, sand, and stone, and man-made embankment is a slope based on stone and concrete. Aquatic plants such as Spartina survive on natural embankments, but few plants survive on artificial embankments. Be the patent of invention of CN10...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G33/00
CPCY02A40/80
Inventor 骆其君徐佳丽严小军周成旭谢贞优黄显军朱艺峰
Owner NINGBO UNIV
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