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Construction and creation method of indigenous mangrove protection forest on foreshore unsuitable for afforestation

A technology of mangroves and shelterbelts, applied in forestry, afforestation, climate change adaptation, etc., can solve problems such as ecological risks, and achieve good ecological functions, rich biodiversity, and good wind and wave resistance

Active Publication Date: 2014-07-02
SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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AI Technical Summary

Problems solved by technology

Due to the particularly strong adaptability and fecundity of Sonneratia apetalum, it has stronger competition and dispersal ability compared with native tree species that grow slowly and have higher requirements on tidal flat conditions, but it has ecological risks

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0018] In Shaoshan Village, Township, Zhanjiang Prefecture, the wind and waves are not suitable for forests, and the low beach belt is light. Select a range of 1500m long and 30m wide along the coastline. First, plant 20,000 one-year-old sea mulberry seedlings 15-20m offshore in this area. The seedlings are 40-70cm high, and the seedlings are tied to the bamboo poles (60-70cm deep into the soil) with ropes. ~2m), wait for the saplings (survival) to be planted 2 years later. Within 15-20 meters from the shore, that is, in the open space planted with Sonneratia apetalum, a total of 36,000 seedlings of two-year-old candela and olive tree seedlings are planted in the open space, and the plant and row spacing is about 0.75m×0.75m (that is, the control plant spacing is 0.5-1m. , row spacing is within 0.5 ~ 1m), manual maintenance for one year. After the maintenance period, 30,679 native mangrove plants survived on the forest land, with a survival rate of 85.22%. Seedlings can also ...

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Abstract

The invention discloses a construction and creation method of an indigenous mangrove protection forest on a foreshore unsuitable for afforestation. The method includes the steps: a, planting an annual seedling forest of sonneratia apetala on the heavy-wind-wave foreshore, unsuitable for afforestation, 15-20 meters from a coast to construct a mangrove protection wall resisting wind waves, wherein planting distance of the sonneratia apetala is 1-2m, and line spacing is 1-2m; b, after the sonneratia apetala forest is planted for 2-3 years, planting biennial indigenous mangrove species on a vacant lot of a sonneratia apetala planting field, wherein planting distance of the indigenous mangrove species is 0.5-1m, and the line spacing is 0.5-1m. Exotic species and the indigenous species of mangroves are created on the heavy-wind-wave foreshore unsuitable for afforestation, restored mangrove wetland has rich biologic diversity and a good ecological function, coastal landscape is improved significantly as compared with that of a traditional forestation method, respective benign growing environment of the exotic species and the indigenous species is maintained, and normal growth of the indigenous species is unaffected; meanwhile, the indigenous mangrove protection forest has good wind wave resistance and functions of dam protection, siltation promotion and the like.

Description

Technical field: [0001] The invention belongs to the technical field of afforestation on tidal flats that are not suitable for forests due to strong wind and waves, and specifically relates to a method for building native species of mangroves on tidal flats in middle and low tidal zones that are not suitable for forests where native mangrove plants cannot grow naturally. Background technique: [0002] Mangrove wetlands are generally located in the sea-land transition zone, mainly concentrated on the coastal intertidal tidal flats that are periodically flooded by seawater. It is a wetland ecosystem at the edge of the sea and land formed by the joint action of the atmospheric system, land system and water system. Unique hydrological, biogeochemical and ecological functions. Mangroves are one of the four most productive marine ecosystems in the world and play an irreplaceable and important role in the global ecological balance. In recent years, due to population pressure and e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G23/00
CPCY02A40/22Y02P60/40
Inventor 王友绍程皓王玉图许方宏陈粤超吴晓东
Owner SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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