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Methods of creating mangroves in lagoons

A technology of mangroves and cofferdams, applied in botany equipment and methods, horticulture, agriculture, etc., can solve problems such as undiscovered mangroves, achieve the effects of preventing rotten roots from dying, preventing water accumulation, and raising the planting height

Active Publication Date: 2021-12-17
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

However, there have been no reports of successful establishment of mangroves in lagoons so far

Method used

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  • Methods of creating mangroves in lagoons

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Effect test

Embodiment 1

[0025] An example of mangrove afforestation project in a lagoon in Guangdong

[0026] 1 preliminary preparation

[0027] 1.1 Collect local hydrological data and environmental data

[0028] Collect the tidal level data of the planting area in the past 3 years and calculate the average water surface (the average water surface of the project implementation area is 1m). The planting height needs to be 0.2-0.5m higher than the surface; The annual average wave height determines whether anti-lodging measures need to be taken when planting; the local annual average temperature is 22.5°C, and the seawater salinity is about 6‰. The suitable mangrove varieties for planting include Tonghua, Candela, Mulan, Laguanmu, Bone soil and so on.

[0029] 1.2 Clear the field before land creation

[0030] Before the construction of the cofferdam, remove the boulders, oyster piles, fishing nets and other sundries with excessive diameters in the operation area to expose the original mud surface.

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Abstract

The invention provides a method for building mangroves in lagoons, and relates to the technical field of tree mangroves. The method includes the following steps: collecting data: collecting and summarizing the hydrogeological data and environmental data of the planting area, and calculating the average water level; cofferdam: cofferdam and backfilling the planting soil to form a continuous planting beach, and the water side is low to the shore The side height, the slope is 1:150-1:100, according to the hydrological data, fill the average planting mud surface to 0.2-0.5m above the average water level in the lagoon; trial planting: plant mangrove plants in the planting mud test, adjust and determine the red Forest planting process parameters and planting varieties; planting: arrange seedlings according to the planting process parameters determined by trial planting, and seal the forest for maintenance. The mangrove plant of the invention can successfully build a mangrove forest in a lagoon, and the mangrove plant has a high survival rate and a low root rot rate.

Description

technical field [0001] The invention relates to the technical field of mangrove planting, in particular to a method for building mangroves in lagoons. Background technique [0002] A lagoon is a localized body of salt water separated from the open sea by a sand spit, sand bar or coral. The coast of the lagoon is affected by reclamation and breeding, sun-drying salt, artificial sewage, etc., as well as the construction of mainly hard embankments. The basis for the survival of coastal vegetation and aquatic organisms has changed. The succession of plants and xerophytes and the solidified revetment hinder the water and air circulation of the bay road and the vegetation along the bay, which not only makes many land plants lose their living space, but also makes some aquatic animals lose their living places. The deterioration of the sea water environment and the pollution of the sediment have caused devastating damage to the marine wetland ecosystem. [0003] Mangroves have the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G17/00A01G13/00
CPCA01G17/005A01G13/00
Inventor 魏小辉李世峰张向营程鹏李承柱袁星
Owner 中交广州水运工程设计研究院有限公司