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Comprehensive method for treating spartina alterniflora through fresh water submerging

A technology of Spartina alterniflora and a comprehensive method, which is applied in the comprehensive field of freshwater submerged control of Spartina alterniflora, can solve the problems of difficult removal, damage to local soil and ecosystem, reduce the density of Spartina alterniflora, etc., so as to improve the ecological function. , the effect of restoring vegetation habitat

Pending Publication Date: 2021-11-30
江苏盐城国家级珍禽自然保护区管理处
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The growth of Spartina alterniflora treated by a single physical method quickly returns to its original state, and it is difficult to completely remove it; when Spartina alterniflora is treated by a single chemical method, excessive chemical reagents usually cause residual poison, which is easy to cause harm to other animals and plants, destroy Local soil and ecosystem: Although a single biological control method can reduce the density of Spartina alterniflora and help restore the tidal flat ecosystem, it is difficult to completely remove it, and the surviving Spartina alterniflora can still invade new areas through seed propagation

Method used

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  • Comprehensive method for treating spartina alterniflora through fresh water submerging
  • Comprehensive method for treating spartina alterniflora through fresh water submerging
  • Comprehensive method for treating spartina alterniflora through fresh water submerging

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Embodiment 1

[0046] The present invention conducts research on the prevention and control of Spartina alterniflora, uses fresh water submersion, plowing, and covering with permeable bio-mulch to control Spartina alterniflora, which can restore the original ecology while controlling the expansion of Spartina alterniflora. A demonstration base for comprehensive prevention and control of Spartina alterniflora was established in tidal flats.

[0047] The comprehensive method that the fresh water submerged treatment Spartina alterniflora that the embodiment of the present invention provides comprises the following steps:

[0048] 1. Physical control

[0049] (1) Flooded. Flooding stress makes Spartina alterniflora hypoxic, and the efficiency of photosynthesis decreases, and the plant needs to consume more photosynthetic products to obtain the energy necessary for survival, resulting in the continuous consumption of the substances stored in the plant, resulting in a decrease in biomass and the ...

Embodiment 2

[0062] Jiangsu Yancheng National Rare Bird Nature Reserve is located between 119°51′25″--121°5′47″ east diameter and 32°36′51″-34°28′32″ north latitude, belonging to the warm temperate zone and In the northern subtropical transition zone, the protected area is located in a typical coastal tidal muddy tidal wetland. The implementation area to Spartina alterniflora of the present invention is located at the core area (M1) north of Doulonggang in the protected area, and the area of ​​Spartina alterniflora experimental area of ​​control is 1650 mus, and a large amount of Spartina alterniflora is evenly distributed, and is the distance The nearest distribution point of Spartina alterniflora in inland fresh water, the present invention controls and treats Spartina alterniflora in a large area in the facility area through certain physical and biological measures, so as to prevent Spartina alterniflora from eroding the survival of rare birds environment.

[0063] Set up a fixed exper...

Embodiment 3

[0071] Embankment: The treated Spartina alterniflora experimental area (M1) covers an area of ​​1,650 mu, and the construction is carried out in two implementation areas, the east area and the west area. 1,914 meters; 2 diversion and drainage culverts 70-80 meters long, 2 inner diversion culverts; 1,533 meters for the outer dam of the seawater control area in the west area, 660 meters for the inner dam, and 1,230 meters for the inner hidden embankment; 70-80 meters long One water diversion and drainage culvert gate.

[0072] "Fresh water stuffy irrigation" treatment: In the study of the mechanism of the growth and salt demand of Spartina alterniflora, the method of "fresh water stuffy irrigation" was adopted by enclosing the ridge, and the seedlings with a height of 7-10 cm were continuously flooded with 20 cm for 3 months. All seedlings can be killed, and for taller plants (plant height 42cm), water depth > 50cm, inhibiting the regeneration of Spartina alterniflora. After ta...

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Abstract

The invention belongs to the technical field of ecological engineering, and discloses a comprehensive method for treating spartina alterniflora through fresh water submerging. Physical prevention and treatment comprises the steps of water submerging, cutting, ploughing, root smashing, and covering and shading; chemical prevention and treatment comprises the step of preparing a herbicide for spartina alterniflora treatment; biological prevention and treatment comprises the step of reducing the density of the spartina alterniflora to realize the recovery of a mud flat ecological system; and biological substitution comprises the step of according to a plant community succession rule, replacing alien invasive plants with local plants with strong competitiveness. Spartina alterniflora prevention and control research is carried out in the method, the spartina alterniflora is managed in a combined mode of fresh water submerging, ploughing and biological mulching film covering, the original ecology can be restored while expansion of the spartina alterniflora is controlled, a comprehensive spartina alterniflora prevention and control demonstration base is established in the Yellow sea mud flat, and the prevention and control mode of the spartina alterniflora is further popularized; and a wetland vegetation habitat is restored in an implementation area, the wetland ecological function is improved, waterfowl is successfully attracted for inhabitation, and thousands of gray cranes and bean geese are found in an experimental area to find food and inhabit towards the north.

Description

technical field [0001] The invention belongs to the technical field of ecological engineering, and in particular relates to a comprehensive method for treating Spartina alterniflora by flooding with fresh water. Background technique [0002] At present, Spartina alterniflora Loisel. is a perennial herbaceous plant belonging to Poaceae and Spartina. It is suitable for growing in the mid-upper intertidal zone. Because of its salt tolerance, flood tolerance and strong fecundity, it is often used to promote land formation. , Protection of beaches and embankments. In recent years, Spartina alterniflora has rapidly expanded and covered most of the silted coast. On the one hand, it has squeezed the living space of local vegetation and affected the activities of some birds that depend on the habitat of Suaeda salsa; on the other hand, it has encroached on light beaches. , the foraging space of shorebirds is squeezed. However, the comprehensive management method for Spartina altern...

Claims

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Application Information

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IPC IPC(8): A01M21/00A01B79/02
CPCA01M21/00A01B79/02
Inventor 陈浩成海陈亚芹邓丽娜李洪山张亚楠李征浩赵永强
Owner 江苏盐城国家级珍禽自然保护区管理处
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