Method for comprehensive treatment of spartina alterniflora through terrace type flooding surrounding and mowing

A technology for comprehensive treatment of Spartina alterniflora, applied in the fields of botanical equipment and methods, lawn growth, hops/wine cultivation, etc. Stability and water storage performance, easy restoration of the beach ecological environment, the effect of reducing construction costs

Active Publication Date: 2019-09-24
YANTAI INST OF COASTAL ZONE RES CHINESE ACAD OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing method of mowing and flooding to control Spartina alterniflora still has major defects, including dam construction scheme, flooding depth, stubble height after mowing, and treatment cost. High, so the stability of the dam is poor, the construction is difficult and the cost is high; (2) artificial water replenishment, the workload is heavy, and the maintenance ...

Method used

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  • Method for comprehensive treatment of spartina alterniflora through terrace type flooding surrounding and mowing
  • Method for comprehensive treatment of spartina alterniflora through terrace type flooding surrounding and mowing
  • Method for comprehensive treatment of spartina alterniflora through terrace type flooding surrounding and mowing

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Embodiment 1

[0046] In late May, choose 200m in the middle tide beach 2 The Spartina alterniflora community is used as the treatment area. At this time, Spartina alterniflora is the jointing stage, and the canopy height is about 45cm. Two earthen dams perpendicular to the coastline and two parallel to the coastline are built respectively. The dams are connected to each other to connect the treatment area. Enclosed into a closed area, the discharge port is reserved on the dam, and the upper part of the intercropping rice grassland is artificially cut, and the stubble height is 2-5cm. After the cutting is completed, the reserved discharge port of the dam is closed to form a 10m×20m enclosure. In the area, the embankment and mowing took 2 days. In the next 2 days, the embankment intercepted tidal water. Although the overall height of the embankment was about 50cm, it was slightly lower in some places, and the effective flooding depth was about 28cm after low tide. From the mowing and flooding i...

Embodiment 2

[0049] In late May, choose 200m in the middle tide beach 2 The Spartina alterniflora community is used as the treatment area. At this time, Spartina alterniflora is the jointing period, and the canopy height is about 45cm. Two PVC pipeline dams perpendicular to the coastline and two parallel to the coastline are built respectively. The dams are connected to each other to connect the treatment area. Enclose it into a closed area, reserve a PVC pipe gap as a drain, and then manually cut the upper part of the stubble field with a height of 2-5cm. After cutting, install the last PVC pipe to make the PVC pipe The dyke is completely enclosed to form a flooded area of ​​10m×20m. It takes 2 days to build and cut the dyke. In the following 2 days, the dyke intercepts the tide at high tide, and the water storage height is about 30cm after low tide. From the mowing and flooding in May to the beginning of May of the following year, the treatment area was a shallow water surface, and no new ...

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Abstract

The invention belongs to the technical field of ecological environment engineering, and particularly relates to a method for comprehensive treatment of spartina alterniflora through terrace type flooding surrounding and mowing. The method comprises the steps that in a spartina alterniflora treatment area, a dam perpendicular to the coastline and a dam parallel to the coastline are constructed respectively, the dams are connected with each other, the treatment area is enclosed into a closed area, the overground part of the spartina alterniflora in the area is mowed in the late elongation stage, the dams store tide water during flood tide, the stubbles of the mowed spartina alterniflora in the treatment area form terrace type flooding surrounding until no new spartina alterniflora germinates any more, and the dams are removed to restore the natural environment of a beach. The method has the advantages that the method is simple and easy to operate, the water storage performance of the dams is good, the applicability is strong, the method is not only suitable for small-range spartina alterniflora treatment, but also suitable for large-range spartina alterniflora treatment, the treatment effect of the spartina alterniflora is good, the cost is lower, the influence on the environment is small, and the ecological environment of the beach is easy to restore.

Description

Technical field [0001] The invention belongs to the technical field of ecological environment engineering, and specifically is a method for comprehensively preventing and controlling Spartina alterniflora with terraced field flooding and mowing. Background technique [0002] In order to eliminate the waves and protect the dikes and promote siltation of land, my country introduced Spartina alterniflora in 1979. However, due to its strong ability to reproduce and expand, Spartina alterniflora seriously threatens the structure and functions of coastal ecosystems, such as biodiversity and habitat functions. In 2003, the National Environmental Protection Agency listed Spartina alterniflora as my country’s No. A list of invasive alien species. [0003] Scholars at home and abroad have studied various methods to control Spartina alterniflora, including physical control, chemical control and biological control. The effect of comprehensive control methods is generally better than that of a ...

Claims

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Application Information

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IPC IPC(8): A01G13/00A01G20/00E02B3/10
CPCA01G13/00A01G20/00E02B3/10Y02A10/11Y02A40/28
Inventor 谢宝华韩广轩吕卷章周英锋路峰王安东赵亚杰
Owner YANTAI INST OF COASTAL ZONE RES CHINESE ACAD OF SCI
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