Mangrove constructed wetland typhoon preventing method

A technology of artificial wetlands and mangroves, applied in botany equipment and methods, photovoltaic modules, sustainable buildings, etc., can solve problems such as general fixation effect, unfavorable survival rate of mangrove ecological benefits, single species of mangroves, etc., to achieve Avoid the erosion or lodging of waves, improve the windproof ability of artificial forests, and satisfy the effect of planting effect

Pending Publication Date: 2020-01-21
LINGNAN LANDSCAPE
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  • Application Information

AI Technical Summary

Problems solved by technology

Restricted by the growth characteristics of mangrove plants, the growth rate of mangroves is slow, and the seedlings are prone to lodging and being washed away by typhoons, resulting in low survival rate and slow growth rate of mangroves
[0006] At present, there are few technical inventions on planting mangroves in coastal intertidal tidal flats, and there are still some problems in the application of technologies: bamboo or wooden poles are often used to fix mangrove seedlings, and the service life is not long and the fixation effect is average; mangrov

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  • Mangrove constructed wetland typhoon preventing method
  • Mangrove constructed wetland typhoon preventing method

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Embodiment 1

[0058] The project is located at the estuary of the Maozhou River Basin in Dongguan. The length of the coastline is about 1km. The wind and waves are small, and the tide can be submerged normally. The salinity of the seawater is 3‰-15‰, and the soil texture is muddy soil.

[0059] First of all, clean up the fishing nets, floating debris, weeds and hard debris of marine animals in the site. Then, in the direction parallel to the coastline at 50m from the outer edge of the tidal flat, bagged gravel with a particle size greater than 50mm is used for cofferdam consolidation. The width of the cofferdam is 5m, and the height of the sand-pile cofferdam is 70cm higher than the average sea level.

[0060] The selected mangrove seedlings require well-developed root system, strong growth, complete terminal buds, no pests, and no mechanical damage. Choose container seedlings with a size of more than 20cm x 20cm, a seedling height of more than 1m, and a seedling age of more than one year. ...

Embodiment 2

[0064] The project is located at the intersection of the river bay area of ​​Guiwan Park in Qianhai, Shenzhen. The wind and waves are small, the tide can be submerged normally, the salinity of the seawater is 3‰-8‰, the soil texture is sandy muddy silt soil, and the beach of the planting site is located near the coast above sea level.

[0065] Clean up the fishing nets, floating debris, weeds and hard debris of marine animals in the site. Lay a layer of vetch at the bottom of the tidal flat to increase the stress of the silt. The surface of the planting site retains an appropriate ecological pattern of interlaced distribution of bare beaches, mudflats and water channels and tidal channels. The ridges are formed by filling and excavating in strips, with a width of 5m, and each ridge is 5m apart, and each ridge is 10m long. Set the channel tidal ditch perpendicular to the ridge belt, the width of the channel is 5m.

[0066] Choose mangrove bag seedlings, the root diameter is t...

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Abstract

The invention provides a mangrove constructed wetland typhoon preventing method. The method includes the steps of firstly, selecting a bay area near shore which can be normally submerged by tide wateras a planting site, building a cofferdam on the outer edge of the planting site to fix the beach, and filling muddy soil around the planting site into the cofferdam, wherein a fixing layer is laid atthe bottom of the cofferdam, and the seawater salinity of the planting site is not larger than 25%.; secondly, ridging in the planting site inside the cofferdam, arranging tidal furrows vertical to the ridges, and fertilizing and sterilizing the ridges; thirdly, planting mangrove seedlings from ridges above the mean sea level to the ridges on the high tidal flat, and arranging wave-preventing seedling supporting devices on one sides of the mangrove seedlings. By the method, the problems of mangrove lodging and low mangrove survival rate caused by bad mud flat conditions, head-on typhoon impact and the like can be solved.

Description

technical field [0001] The invention belongs to the field of mangrove wetland construction, and in particular relates to a typhoon prevention method for mangrove artificial wetlands. Background technique [0002] Mangroves mainly grow between the average sea level (or slightly above) of the tropical and subtropical low-energy coast and the average high tide of the regressive tide (the average high tide level of the spring tide). Long-lived woody plant communities. [0003] Every summer and autumn, coastal areas such as Guangdong, Guangxi, Hainan, Fujian, and Taiwan are often hit by tropical storms or typhoons. Standing on the beach, mangroves can protect embankments, prevent waves from impacting, and promote silting and land-building. The best way and the most economical means of typhoon damage. Mangroves are one of the important primary producers of the bay estuary ecosystem, an ideal place for marine organisms to multiply and inhabit, and an important factor to regulate ...

Claims

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Application Information

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IPC IPC(8): A01G17/14A01G17/00A01G22/00H02S40/30H02J7/35
CPCA01G17/005A01G17/14A01G22/00H02J7/35H02S40/30Y02B10/10Y02E10/50Y02P60/12
Inventor 王佳赵秀芳秦国权谭拔非阳彬谢志远李春辉林艺林李昂
Owner LINGNAN LANDSCAPE
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