Ecological effective technology for making spartina alterniflora naturally die

Abstract

The invention discloses an ecological effective technology for making spartina alterniflora naturally die. The technology comprises the steps that seedlings of kandelia candel, avicennia marina and aegiceras corniculatum are selected from two ways; for the first way, protogenesis fruits of kandelia candel, avicennia marina and aegiceras corniculatum in the south of the area at the northern latitude of 20 degrees are collected, and seed cultivation is conducted at the line spacing of 20 cm*20 cm at the coastal beach in the south of the area at the northern latitude of 40 degrees; for the secondway, kandelia candel, avicennia marina and aegiceras corniculatum saplings cultivated by farmers at the coastal beach area in the south of Wenzhou in Zhejiang are planted at the beaches of all areasfrom Nantong to Lianyungang in Jiangsu at the line spacing of 1 m*1 m, survival fruit protogenesis seedlings are used for replenishment, and a blocking fence is used at the periphery for preventing various floats in seawater from flooding the saplings. According to the ecological effective technology, a large number of three kinds of plants, namely kandelia candel, avicennia marina and aegiceras corniculatum, in mangrove forest are planted, and spartina alterniflora rhizomes cannot survive but natural die by using root system extension of the three kinds of trees; spartina alterniflora is treated, the balance of the beach ecological environment is restored, and the ecological environment free of pesticide and capable of killing spartina alterniflora is truly provided for the sea.

Description

technical field [0001] The invention relates to the technical field of ecological environment, in particular to an ecologically effective technology for causing Spartina to die naturally. Background technique [0002] Spartina is the most serious invasive alien plant in coastal salt marshes in my country. It belongs to Poaceae and Spartina is a perennial herb that grows in the intertidal zone. Plants are resistant to salt and flooding, wind and waves, and seeds can spread with wind and waves. In the beach soil where the root system is distributed as deep as 60cm, a single plant can reproduce dozens or even hundreds of plants within a year. The underground part of Spartina alterniflora includes underground stems and fibrous roots. According to field observations, the underground stems are mostly distributed horizontally, and the root distribution depth can reach 1-2m. The expansion of Spartina alterniflora includes stem spreading and seed dispersal. [0003] Because the st...

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Problems solved by technology

[0005] So far, none of the above methods to eliminate Spartina is physical, biological, artificial, or pesticides. Moreover, these methods are expensive and laborious, and the results prove that they are in use All failed, and Spartina still grows on coastal beaches