Mangrove forest afforestation method for intensively weathered tuff geology and intertidal zones with high elevations

A tuff and strong weathering technology, applied in land preparation methods, afforestation, planting substrates, etc., can solve problems such as low survival rate of mangrove plants and failure of afforestation, and achieve benefits for biodiversity conservation and restoration, maintenance of carbon sinks, maintenance of The effect of species diversity

Inactive Publication Date: 2020-10-16
中交广州水运工程设计研究院有限公司 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to solve the problems of afforestation failure and low survival rate of mangroves in the geological afforestation of strong weathered tuff with higher elevation, an

Method used

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  • Mangrove forest afforestation method for intensively weathered tuff geology and intertidal zones with high elevations
  • Mangrove forest afforestation method for intensively weathered tuff geology and intertidal zones with high elevations
  • Mangrove forest afforestation method for intensively weathered tuff geology and intertidal zones with high elevations

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Embodiment 1

[0029] combine figure 1 and figure 2 , the specific embodiment of the present invention is described as follows:

[0030] 1. Site arrangement

[0031] Before the planting starts, the site is prepared, and the strongly weathered tuff in the higher elevation area is broken and excavated by machinery, and the excavation is carried out to the local average sea level.

[0032] For the tuff below the mean sea level elevation, mechanical (or manual vibration) crushing is carried out, the crushing depth is not less than 30cm, and the diameter of the crushed stone is ≤10cm, so as to facilitate the growth of plant roots to the bottom. Broken stones are placed on site to reduce the generation of construction solid waste.

[0033] 2. Planting soil backfill

[0034] After finishing the site arrangement, because the planting area is tuff rock and the silt layer is relatively thin, in order to ensure the growth of mangroves, after the planting area is broken or excavated, a certain thic...

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Abstract

The invention discloses a mangrove forest afforestation method for intensively weathered tuff geology and intertidal zones with high elevations. The method comprises the steps of a, site preparation,b, planting soil backfilling, c, water channel excavation and d, mangrove plant planting. One year after afforestation is completed, various mangrove nursery stocks grow well, the survival rate of avicennia marina, kandelia candel and Bruguiera gymnorrhiza is not lower than 60%, the survival rate of Rhizophora stylosa and aegiceras corniculatum is not lower than 70%, and the height of the nurserystocks is increased by 10-30 cm. By means of the method, the area of the mangrove forest in coastal areas in southeast and south China can be enlarged, and the important functions of the mangrove forest in the aspects of food supply, germplasm resource preservation, species diversity maintenance, wind prevention, wave dissipation, marine environment purification, ecological balance maintenance, carbon sink maintenance and the like are better played; meanwhile, the created water channel and mangrove forest coexist, diversified habitats are provided, and biodiversity conservation and recovery are better facilitated.

Description

technical field [0001] The invention belongs to the technical field of afforestation, and in particular relates to a mangrove afforestation method in the intertidal zone with strong weathered tuff geology and higher elevation. Background technique [0002] The mangrove ecosystem is an ecosystem transitioning from land to sea. It plays an important role in supplying food, preserving germplasm resources, maintaining species diversity, preventing wind and waves, purifying the marine environment, maintaining ecological balance and carbon sinks. With the development of economy and society, reclamation, urban construction, infrastructure construction such as ports and wharfs, breeding ponds, seawalls, etc. have caused the occupation of coastlines and tidal flats, as well as the impact of biological invasion and sewage discharge, resulting in a significant reduction in the area of ​​mangrove wetlands. The remaining mangrove forests are also fragmented and patchy, and the ecosystem ...

Claims

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Application Information

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IPC IPC(8): A01G17/00A01G24/10A01G24/20A01G24/30A01B79/00
CPCA01B79/00A01G17/005A01G24/10A01G24/20A01G24/30Y02P60/40Y02A40/22
Inventor 李博文张向营熊红李承柱黄明康谢志豪
Owner 中交广州水运工程设计研究院有限公司
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