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Method for improving ecological suitability of birds in intertidal zone contiguous spartina alterniflora invasion area

A technology of Spartina alterniflora and intertidal zone, which is applied in the field of landscape ecological construction for bird habitation and foraging, and can solve the problems that coastal birds have a great impact on survival and cannot meet the needs of large-scale eradication of Spartina alterniflora.

Pending Publication Date: 2022-05-06
FUDAN UNIV
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Problems solved by technology

Although these technologies have achieved some effects in small-scale engineering practice, they still cannot meet the needs of large-scale eradication of Spartina alterniflora in view of comprehensive factors such as economic cost, ecological consequences, and applicable conditions.
In addition, the invasion of Spartina alterniflora not only has a great impact on the survival of coastal birds, but also has positive effects such as resisting wind and waves, protecting beaches and banks, and promoting siltation. Therefore, eradicating Spartina alterniflora at all costs may not be a meaningful thing

Method used

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  • Method for improving ecological suitability of birds in intertidal zone contiguous spartina alterniflora invasion area

Examples

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Embodiment Construction

[0016] The present invention will be further described below through specific examples.

[0017] see figure 1 As shown, there are Spartina alterniflora in a rectangular continuous distribution in the coastal intertidal area of ​​a certain beach, 600m long from east to west, 300m wide from north to south, with a total area of ​​0.18km 2 . The specific process is as follows:

[0018] (1) Construct 5 circular ponds with diameters ranging from 30-40m suitable for shorebirds to inhabit and forage, as landscape ecological patches suitable for birds to inhabit and forage. At the end of autumn and early winter, after the ebb of the neap tide, all the Spartina alterniflora in all the patches should be mowed. For the 4 small patches, a small excavator was used to dig out the soil with roots inside the circular patches, and built them around to build pond ridges. The newly-built ridge is 50-60cm above the ground, and the bottom width is 3-4m. The inside and outside of the dyke are s...

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Abstract

The invention belongs to the technical field of ecological environmental protection, and particularly relates to a method for improving the ecological suitability of birds in an intertidal zone spartina alterniflora invasion area. According to the method, in a contiguous spartina alterniflora area, through manual local removal of spartina alterniflora and engineering measures, landscape patches and galleries without spartina alterniflora or only with a small number of spartina alterniflora plants distributed are constructed, and a round pond with a spartina alterniflora vegetation coverage area as a background matrix and without spartina alterniflora as the patches is formed. And the ditches are of a landscape ecological structure of a network corridor, so that the ecological suitability of the contiguous spartina alterniflora invasion area for inhabiting and foraging of wader-like waterbirds is greatly improved.

Description

technical field [0001] The invention belongs to the technical field of ecology and environmental protection, and in particular relates to a landscape ecological construction method for transforming a contiguous Spartina alterniflora area into a more suitable habitat and foraging for birds. Background technique [0002] Spartina alterniflora ( Spartina aternifiora ) belongs to the genus Spartina of the family Poaceae, native to the Atlantic coast of America and the Gulf of Mexico. It is a perennial salt marsh herb growing in the intertidal zone. The role of silting land. my country introduced it from the United States in 1979 and is mainly used for beach fixing and embankment protection. However, due to its strong ability to expand and reproduce and lack of effective control, it has flooded in my country's coastal intertidal zone in recent years, which has had a major impact on the structure and function of coastal wetland ecosystems, especially because of its tall, dense,...

Claims

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Application Information

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IPC IPC(8): E02B3/00A01M21/02
CPCE02B3/00A01M21/02
Inventor 王寿兵郑正蔡桢杰姜钇如李果
Owner FUDAN UNIV
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