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Method for increasing elevation of intertidal zone to form suitable land for mangrove forest

A mangrove and elevation technology, applied in forestry, afforestation, water filling and land building, etc., can solve immature problems, achieve the effect of maintaining national security and ecological security, improving the success rate of afforestation, and promoting ecological security and sustainable development

Active Publication Date: 2012-08-01
GUANGXI MANGROVE RES CENT
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AI Technical Summary

Problems solved by technology

However, at present, my country's relevant technologies for raising tidal flat elevations and constructing land suitable for forests are far from mature

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] An example of mangrove afforestation in a tidal flat in Fangchenggang City, Guangxi

[0020] determine the target elevation of the planned afforestation tidal flat by carrying out a series of elevation planting experiments in this tidal flat, and sum up the test results to draw that the target elevation of this mangrove afforestation tidal flat is 220cm (Yellow Sea elevation system in 1956); the bottom of this tidal flat The elevation is 120cm, the highest elevation is 200cm, and the average elevation needs to be 60cm; since the seawall is not allowed to enter and exit large-scale engineering vehicles, the method of ship filling is adopted;

[0021] Determination of the shape of the reclamation boundary The target tidal flat is the tidal flat formed after the construction of a T-shaped dam in the river channel to promote siltation. It is a standard seawall, the east and west boundaries are the original T-shaped dam riprap, the south boundary is the edge of the river, ...

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Abstract

The invention discloses a method for increasing the elevation of an intertidal zone to form a suitable land for mangrove forest. The method mainly includes key steps of determining a target elevation; determining land reclamation boundaries; constructing cofferdams; constructing fences; implementing earth filling; flattening filled earth; constructing artificial tidal creeks; realizing temporary fixing measures; and the like. The inventor aims to increase the elevation of the intertidal zone by the aid of engineering means, requirements of mangrove plants on hydrology, sediment and other conditions can be rapidly met, the suitable land for the mangrove forest is formed and created, accordingly, afforestation success rate is increased, coastal ecological safety and sustainable development of China are promoted, and land safety and ecological safety of coastal zones are effectively maintained.

Description

technical field [0001] The invention relates to mangrove plantation, in particular to a method for raising the tidal flat elevation to form mangrove suitable forest land. Background technique [0002] Mangroves are special coastal wetland forests that grow in the coastal intertidal zone. They have important ecological functions such as maintaining biodiversity, preventing waves and shores, resisting tsunamis and typhoons, degrading pollution, and regulating regional climate. At present, my country's sea-related departments are actively investing a lot of money to build mangroves to restore the ecological functions of coastal wetlands. The most important prerequisite for building mangroves is to find suitable forest land for afforestation. Although mangrove plants can tolerate a certain degree of periodic seawater inundation, it is below the critical line suitable for forestation, and exceeding its physiological limit will inevitably lead to plant death and afforestation fai...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B3/18A01G23/02
CPCY02P60/40Y02A10/00Y02A40/22
Inventor 潘良浩王欣何斌源范航清
Owner GUANGXI MANGROVE RES CENT
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