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Methods of Vegetation Restoration of Silt and Silt Coastal Tidal Flats

A technique of vegetation restoration and silt, which is applied in the fields of land preparation, climate change adaptation, agricultural machinery and implements, etc., can solve the problems of low vegetation coverage, bad substrate environment, and bad ecological environment, and achieve the goal of saving fresh water resources and restoring Vegetation community, the effect of reducing soil salinity

Active Publication Date: 2017-12-15
COASTAL AGRI RES INST HEBEI ACAD OF AGRI & FORESTRY SCI
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Problems solved by technology

[0011] The present invention aims at the problems that coastal silty tidal flats are subject to strong tidal action, poor substrate environment, high soil salinity, low vegetation coverage, and poor ecological environment, and provides a silty silty coastal beach suitable for high tide areas in coastal intertidal zones. Methods of Tidal Flat Vegetation Restoration

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  • Methods of Vegetation Restoration of Silt and Silt Coastal Tidal Flats
  • Methods of Vegetation Restoration of Silt and Silt Coastal Tidal Flats
  • Methods of Vegetation Restoration of Silt and Silt Coastal Tidal Flats

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[0052] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments, but the present embodiments do not constitute any limitation to the present invention.

[0053] The method for this silty muddy coastal tidal flat vegetation restoration described in the present embodiment is implemented in the southern tidal flat of the Yellow River Delta Nature Reserve, on the east side of the tidal embankment, and the vegetation restoration area is 100 mu. Tidal flats are distributed in tidal trenches, with sporadic growth of Suaeda salsa. The tidal action in this area is relatively weak, and the seawater floods the project area 1-2 times a month on average.

[0054] In view of the reasons for the degradation of wetlands in the Yellow River Delta and the status quo of environmental resources, through the optimization of hydrology and substrate environment, good water and soil conditions are created for plant growth; Soil improvement...

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Abstract

The invention relates to a silty coastal tidal flat vegetation restoration method. The method is characterized by selecting supratidal zones with weaker tidal effects and high tidal zones not subjected to flood irrigation by the middle tide level as vegetation construction zones, firstly building tide barriers and water channels running through vegetation restoration zones, optimizing hydrology and the sediment environment of a project zone, then constructing a water-salt control mode of high platform fields+field drainage and irrigation system+micro-furrow planting or high platform fields+drains+high ridge deep furrow planting, introducing freshwater, carrying out water-saving irrigation and high-efficiency salt leaching, creating a low-salt freshwater environment suitable for vegetation growth, meanwhile, paying attention to pumping tidewater and supplementing freshwater after high tide invasion, then selecting salt resistant pioneer vegetation to carry out the vegetation restoration cultivation technique comprising micro-furrow seeding and salt-avoiding seeding of suaeda salsa, reed rhizome transplanting and tamarix chinensis seedling raising and transplanting, and carrying out management and protection. The problems of stronger tidal effects on silty coastal tidal flats, bad sediment environment and low vegetation coverage caused by high soil salinity can be effectively solved by adopting the method.

Description

technical field [0001] The invention relates to a method for restoring vegetation on silty muddy coastal tidal flats, and belongs to the technical field of ecological environment management and utilization. Background technique [0002] Because the coastal tidal flats are close to the sea, the tidal action is frequent, and the soil salinity is high, most of which are above 2%, and most of them are barren and barren lands. With the rapid development of coastal economy, the rapid expansion of cities and the increasingly prominent demand for ecological environment improvement, the improvement of regional ecological environment has become particularly important. Its rational development and utilization not only improves the ecological environment of coastal tidal flats, but also has important theoretical and practical significance for the increase of cultivated land resources. [0003] Publication No. CN101715664A discloses a method for comprehensive and rapid treatment of sali...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01B79/02
CPCA01B79/02Y02A40/10Y02A40/22
Inventor 王秀萍刘艳芬张国新鲁雪林刘雅辉孙昌岩张晓东孙琦
Owner COASTAL AGRI RES INST HEBEI ACAD OF AGRI & FORESTRY SCI
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