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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 the fields of botany equipment and methods, climate change adaptation, horticulture, etc., can solve problems such as ecological damage, impact, and impact on ecosystem biodiversity, beautify ecological landscape, prevent invasion Effect

Inactive Publication Date: 2015-04-29
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] Example 1. On the embankment of the intertidal zone in the mixed water area on both sides of the Qiantang River, three layers of stepped stone swamps parallel to the embankment were constructed with stones, and the distance between the upper surfaces of each layer of stone swamps was 30-60 cm. The width of each layer of stone marshes is 30 to 60 cm, and the depth is 20 to 50 cm. The distance between the upper surface of the first layer of stone marshes and the high tide surface is 40 cm, and the distance between the upper surface of the third layer of stone marshes and the high tide surface is 120 cm; soak the 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 with the sediment and stir it evenly to form the plant attachment base. The weight ratio of nylon to sediment based on dry weight is 1:3 to 5, place the plant attachment base in the rocky marsh, and the height of the plant attachmen...

Embodiment 2

[0011] Example 2 is basically the same as Example 1, the only difference is that four layers of stepped stone marshes parallel to the embankment are constructed with stones on the embankment of the intertidal zone 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; the fourth layer of stone marshes is sown with Ulva (Ulva) with a length of 0.2 to 1.5 cm ( Ulva conglobata Kjellm) thallus fragment.

Embodiment 3

[0012] Example 3 is basically the same as Example 2, the only difference is that a five-layer stepped stone swamp parallel to the embankment is constructed with stones on the embankment of the intertidal zone 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; the fifth layer of stone marshes is sown with 0.2 to 1.5 cm in length of E. Ulva Linza ) of thallus fragments. Various aquatic plants grow well within 180 cm of water.

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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 a coastal ecological construction technology, in particular to an ecological construction method on an intertidal embankment in a mixed water area. Background technique [0002] The offshore mixed water area is mainly composed of the estuary of rivers and its adjacent areas, and the intertidal zone is mainly composed of Spartina (Spartina). Spartina anglica ), which has certain functions in the fields of resisting typhoons, protecting banks and dikes, promoting siltation and land formation, and preventing eutrophication of water bodies. Offshore intertidal embankments include natural embankments and artificial embankments. Natural embankments are slopes composed of mud, sand, and stone, and artificial embankments are slopes based on stones and concrete. Aquatic plants such as Spartina on natural embankments survive, while plants on artificial embankments rarely survive. For example, the invention patent with the authorization...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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