Method for controlling spartina alterniflora instruction with non-petal sonneratia and recovering mangrove forest ecological

A technology of Spartina alterniflora, non-petal sea mulberry, applied in the fields of weed elimination equipment, forestry, application, etc., can solve the problems of difficulty in eradication, environmental pollution, ecological risks, etc., and achieves low cost, good control effect, anti- Reverse effect

Inactive Publication Date: 2008-09-03
RES INST OF TROPICAL FORESTRY CHINESE ACAD OF FORESTRY
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Problems solved by technology

[0007] In summary, the existing prevention and control methods for the invasion of Spartina alterniflora have relatively large defects: controlling Spartina alterniflora with physical methods has low ...

Method used

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specific Embodiment approach

[0029] Using Sonnensis apetalum to control the invasion of Spartina alterniflora, the method is as follows:

[0030] 1) Pretreatment of tidal flats invaded by Spartina alterniflora: For tidal flats with Spartina alterniflora coverage greater than or equal to 50%, every 1.0m to 1.5m, cut or bundle to form 0.1m to 1.0m For a wide channel, cut and remove Spartina alterniflora in the channel or bind Spartina alterniflora to both sides along the planting belt to form a gap zone; if the coverage is less than 50%, it is not used for pretreatment.

[0031] 2) Prepare sea mulberry seedlings: choose sea mulberry bag seedlings, the seedling height of bag seedlings is 60-100cm, the seedlings are strong and free from diseases and insect pests; plastic film bags or paper bags can be used to load seedlings, and the size of plastic film bags can be 20cm ×18cm.

[0032] 3) Planting Sangria apetalum seedlings: planting Sangria apetalum seedlings in the channel formed in 1), according to the si...

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Abstract

The invention relates to a method of controlling the invasion of spartina alterniflora and restoring the ecological environment of mangrove by adopting the sonneratia apetala. The method is characterized by the steps: (1) pretreating the tidal flat of the spartina alterniflora invasion according to the requirement; (2) preparing the nursery stock of the sonneratia apetala; (3) planting the nursery stock of the sonneratia apetala according to the site condition and the thickness of the spartina alterniflora; (4) supporting and fixing the planted nursery stock; (5) pruning the undergrowth spartina alterniflora and planting the native mangrove after the crown closure and the fade-away or the complete fade-away of the spartina alterniflora. The spartina alterniflora starts the crown closure after a plantation of 1-1.5 years, the native mangrove including bruguiera gymnorrhiza and kandelia candel in the undergrowth of the spartina alterniflora can be planted after the sonneratia apetala gradually recesses to promote the formation of the community of rich biodiversity. The method adopts the fast-growing pioneer species of the sonneratia apetala to compete with the spartina alterniflora for fertilizer, water and sunlight, so as to cause the spartina alterniflora decline or death. The adopted sonneratia apetala has long growth period, large biomass, high stress resistance, easy plantation and good weed-suppressive effect.

Description

technical field [0001] The invention relates to a method for controlling the invasion of Spartina alterniflora and restoring the ecology of mangroves by using Spartina apetalum, which is suitable for controlling the invasion of Spartina alterniflora in coastal tidal flats and other wetlands, and restoring tidal flat mangroves infested by Spartina alterniflora ecosystem. It belongs to the technical field of environmental protection. Background technique [0002] Spartina altermiflora (Spartina altermiflora) is native to the Atlantic coast of North America, and it is a perennial grass growing on the tidal flats of the intertidal zone. In 1979, Nanjing University introduced it from the United States (used as a plant for beach protection and dike protection). It was first successfully planted in Jiangsu, and then introduced into Fujian in 1980. In 1982, it was expanded to Jiangsu, Guangdong, Guangxi, Zhejiang and Shandong. Due to its wide adaptability, strong stress resistance...

Claims

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Application Information

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IPC IPC(8): A01M21/00A01G23/04A01G23/00
Inventor 廖宝文郑松发陈玉军李玫管伟苏润鸿杨雄邦
Owner RES INST OF TROPICAL FORESTRY CHINESE ACAD OF FORESTRY
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