Estuary wetland vegetation habitat restoration method

A technology of wetland vegetation and restoration method, which is applied to the restoration of estuary wetland vegetation habitat, hydrological restoration of intertidal wetland vegetation community habitat, and restoration of Suaeda salsa vegetation habitat in saline land. It can solve the problems of comprehensiveness and timeliness that need to be further improved. Achieve the effect of improving seed germination and seedling survival environment, and promoting plant colonization

Pending Publication Date: 2021-02-02
DALIAN OCEAN UNIV
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  • Claims
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Problems solved by technology

[0005] However, the above methods have shortcomings: comprehensiveness and timeliness need to be further improved

Method used

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  • Estuary wetland vegetation habitat restoration method
  • Estuary wetland vegetation habitat restoration method
  • Estuary wetland vegetation habitat restoration method

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Embodiment 1

[0068] This method has been applied in Liaohe Estuary. The Liaohe Estuary is affected by the runoff of the Liaohe River and the tidal currents of the open sea, forming a complex landform in which many tidal trenches and tidal flats are alternately distributed. Among them, about 400 species of organisms are distributed on the tidal flat wetlands on the west side of the Liaohe Estuary. It is an important place of origin for creatures such as thick crabs, and it is also an important habitat for many birds such as red-crowned cranes and saunders. In order to achieve the purpose of joint restoration and related technical requirements, combined with the actual situation of the Liaohe Estuary, the present invention comprehensively uses the hydrodynamic model and the sediment transport model to carry out the numerical simulation of the tidal current field and sediment transport in the wetland sea area, and scientifically designs the According to the morphological characteristics of th...

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Abstract

The invention discloses an estuary wetland vegetation habitat restoration method which comprises the following steps: firstly, calculating tidal flat fluctuation tidal power and topographic evolutionprocess by utilizing a hydrodynamic model and a sediment transport model, and designing the length, width, depth, shape and the like in a targeted manner by scientifically designing tidal flat and tidal creek characteristics, so that the functional communication of the tidal flat is enhanced, and tidal water is reasonably guided to enter and exit the suaeda salsa vegetation area; secondly, throughthe constructed tidal flat hydrological communication ecological effect model, reducing erosion of tidal ditches and sediment deposition of vegetation areas, adjusting the internal water flow condition, realizing the effective field planting effect on vegetation seeds, prolonging the wetland water retention time, obtaining the optimal suaeda salsa vegetation suitable habitat, and promoting fieldplanting and natural growth of salt marsh plant seeds; and finally, changing vegetation growth habitat conditions including salt, moisture and nutrition by flooding frequency, tidal creek form, topographic and geomorphic characteristics and the like on the tidal flat, so as to influence the growth of suaeda salsa vegetation communities.

Description

technical field [0001] The invention relates to the technical fields of marine environmental protection and ecological engineering, in particular to a method for restoration of estuary wetland vegetation habitat, which is a method for hydrological restoration of intertidal wetland vegetation habitat, specifically a method suitable for estuary tidal flat wetland A method for restoring the vegetation habitat of Suaeda salsa in salt land by "connecting the water system". Background technique [0002] Wetland enjoys the reputation of "the kidney of the earth". It has many functions such as protecting biodiversity, regulating runoff, improving water quality, providing food and industrial raw materials, and providing tourism resources. It has a huge impact on human life. Among them, wetland plants play an important role in maintaining the balance of the entire wetland ecosystem. When restoring a degraded wetland ecosystem, it is necessary to focus on the composition and structure ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/13G06F30/10G06F30/20G06Q50/26A01G22/00G06F111/10G06F119/02G06F119/14G06F113/08
CPCA01G22/00G06F17/13G06Q50/26G06F30/10G06F30/20G06F2111/10G06F2113/08G06F2119/02G06F2119/14Y02A40/22
Inventor 张明亮康亚茹陈旭郭聪聪刘苏萱
Owner DALIAN OCEAN UNIV
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