Method for repairing hydro-fluctuation belt by means of vegetation

A technology of vegetation restoration and water-fluctuation zone, applied in the direction of botanical equipment and methods, applications, and river regulation, etc., can solve the problems of soil being easily eroded by water bodies, planting methods that have not been standardized and efficiently managed, and soil erosion planting The problem of plants being washed into the seawater can achieve the effect of improving biodiversity and ecosystem structure stability, improving plant survival rate, and enhancing ornamental value

Inactive Publication Date: 2015-10-07
CHANGZHOU RONGSHUN ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to reservoir adjustment and storage operation and natural conditions, the water level of the reservoir frequently fluctuates greatly and the submersion time is too long, and the vegetation on the edge of the reservoir is easily damaged, especially in some areas with steep slopes, rapid water flow and poor soil. Vegetation may be submerged and disappeared, which means that the reservoir area has lost an ecological barrier, and various ecological and environmental problems such as increased pollution, increased soil erosion, and frequent geological disasters will appear in the water-fluctuation zone, which threatens the safety of the water quality of the reservoir and the reservoir area. Virtuous circle of ecosystem
[0003] At present, there is such a problem that the soil in the water-fluctuating zone is vulnerable to water erosion, the basic conditions for plant growth are constantly being destroyed, and it is difficult to

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0027] Example 1

[0028] A method of using vegetation to restore the hydro-fluid zone, including:

[0029] (1) When the water level is the lowest, repair, level, clean, and compact the water-facing slope of the drawdown zone; set up temporary intercepting ditches at the top of the slope after the slope is repaired;

[0030] (2) Construct a drainage channel every 10m on the outer slope of the drawdown zone; the drainage channel is 0.5m wide, and the drainage channel is paved with bricks and then built with cement; the temporary intercepting ditch is connected to the drainage channel to reduce heavy rain The erosion of the slope when it comes;

[0031] (3) Plant palm trees on the top of the slope outside the water-level fluctuation zone to form a shelter belt and ornamental belt;

[0032] (4) Plant Alternanthera philoxeroides in the area where the water-inward slope drawdown depth of the drawdown zone is less than 2.0m;

[0033] (5) Phalaris arundinacea is planted in the area where the d...

Example Embodiment

[0037] Example 2

[0038] A method for using vegetation to restore the hydro-fluid zone, which is characterized in that it includes:

[0039] (1) When the water level is the lowest, repair, level, clean, and compact the water-facing slope of the drawdown zone; set up temporary intercepting ditches at the top of the slope after the slope is repaired;

[0040] (2) Construct a drainage channel every 12m on the outer slope of the drawdown zone; the drainage channel is 0.8m wide, and the drainage channel is paved with bricks and then built with cement; the temporary intercepting ditch is connected to the drainage channel to reduce heavy rain The erosion of the slope when it comes;

[0041] (3) Planting maple poplar on the top of the slope outside the water-leveling zone to form a protection forest belt and ornamental belt;

[0042] (4) Plant Alternanthera philoxeroides in the area where the water-inward slope drawdown depth of the drawdown zone is less than 2.0m;

[0043] (5) Planting bermud...

Example Embodiment

[0047] Example 3

[0048] A method for using vegetation to restore the hydro-fluid zone, which is characterized in that it includes:

[0049] (1) When the water level is the lowest, repair, level, clean, and compact the water-facing slope of the drawdown zone; set up temporary intercepting ditches at the top of the slope after the slope is repaired;

[0050] (2) Construct a drainage channel every 15m on the outer slope of the drawdown zone; the drainage channel is 1m wide, and the drainage channel is paved with bricks and then built with cement; the temporary intercepting ditch is connected with the drainage channel to reduce the arrival of heavy rain Scouring of the slope at time;

[0051] (3) Plant palm trees or maple poplars on the top of the slope outside the water-level fluctuation zone to form a shelter belt and ornamental belt;

[0052] (4) Plant Alternanthera philoxeroides in the area where the water-inward slope drawdown depth of the drawdown zone is less than 2.0m;

[0053] (5...

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Abstract

The invention discloses a method for repairing a hydro-fluctuation belt by means of vegetation, wherein a temporary intercepting ditch is formed in the top of a slope to prevent water from gathering to impact a slope body when it rains. The temporary intercepting ditch is formed in the slope surface, and therefore impact of heavy rainfall on the slope body can be reduced. According to the method, the influences of water level fluctuating on different vegetation types are fully taken into account, and therefore the plant survival rate is improved. The wetland plant species is enriched, and the wetland biodiversity and the structural stability of an ecological system are improved. A degradable plant fibermesh is laid on the slope body of the riverside slope surface, therefore, washing of rain to the slope body can be effectively buffered, and water and soil and vegetation loss of the slope body can be decreased. After the vegetation grows up to form a stronger root system, the plant fibermesh can be degraded automatically, no pollution can be caused to the environment, and needed organic fertilizer can be provided for plant growth. After the hydro-fluctuation belt is repaired for several years, it is observed that the vegetation grows well, and the water and soil loss and environmental pollution are effectively controlled.

Description

technical field [0001] The invention belongs to the field of water body protection, and in particular relates to a method for artificially repairing a water-fluctuation zone. Background technique [0002] The quality of the vegetation in the water-fluctuation zone is an important indicator of the healthy operation of the reservoir and plays an important role in the reservoir ecosystem. However, due to reservoir adjustment and storage operation and natural conditions, the water level of the reservoir frequently fluctuates greatly and the submersion time is too long, and the vegetation on the edge of the reservoir is easily damaged, especially in some areas with steep slopes, rapid water flow and poor soil. Vegetation may be submerged and disappeared, which means that the reservoir area has lost an ecological barrier, and various ecological and environmental problems such as increased pollution, increased soil erosion, and frequent geological disasters will appear in the wate...

Claims

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Application Information

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IPC IPC(8): E02B3/02E02B3/12A01G1/00
Inventor 莫显荣
Owner CHANGZHOU RONGSHUN ELECTRONICS
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