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Setting method for hydro-fluctuation belt plants of ecological bank protection

A technology of ecological bank protection and ebb and flow zone, applied in the fields of botanical equipment and methods, coastline protection, climate change adaptation, etc. , Wide application range and fast re-greening speed

Active Publication Date: 2014-04-09
WUXI MISHO ECOLOGY LANDSCAPE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] There are many difficulties in applying the concept of ecological bank revetment to the ecological restoration of the bank slope in the water-fluctuation zone of the reservoir area: First, due to the long flood season (>180d) and the vertical distance of the water-fluctuation zone is too high (>10m), the use of plants in the ecological bank revetment Affected by long-term flooding stress, most plants are not suitable for this application. The exposed area of ​​the bank slope area is large and lasts for a long time, which seriously affects the bank slope landscape.
Moreover, the flooding period is concentrated in summer, and the ability of plants to withstand flooding in summer is far inferior to that in winter. Secondly, there are also problems such as temperature stress and poor soil, so it is difficult to choose plants in the water-fluctuation zone; the soil in the water-fluctuation zone is easily washed by water bodies The basic conditions for plant growth will be continuously destroyed, especially in some areas where rocks are the main area, and soil erosion is serious; the storage and regulation cycle of the reservoir has a great impact on the growth of plants, and the high water season of the reservoir is from March to August. The flowering and fruiting of some plants is concentrated in this cycle, and the high water period is the same as the plant physiological cycle, which seriously affects the normal physiological process of plants and is unfavorable to plant growth.
[0005] At present, there are few ecological revetment technologies that can be directly applied to the ecological restoration of bank revetments in the water-fluctuating zone with the flooding pattern of "summer abundant and winter dry". Controlling the water-fluctuation zone of Shuifumiao by technology

Method used

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  • Setting method for hydro-fluctuation belt plants of ecological bank protection
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  • Setting method for hydro-fluctuation belt plants of ecological bank protection

Examples

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Effect test

Embodiment 1

[0034] A method for setting plants in an ecological revetment water-fluctuation zone, the steps are as follows:

[0035] The bank slope in the area is >60°, and one or more of Bermudagrass, Bahia Grass and Verbena are selected as the restoration plants that are resistant to deep submergence, have the longest submergence period and are resistant to barrenness, and adopt the common ecological revetment technology Zhongshi Cage water purification compound bank revetment and riprap bank revetment technology use natural stones to stack and decorate areas that are not suitable for planting plants. Put the matrix bag in the gabion, mix Bahia grass and Bermudagrass seeds into the matrix, and after the matrix bag is laid and filled neatly, use engineering measures such as three-dimensional geonet or geogrid to pull and fix it to prevent it from being washed away due to large waves. Verbena uses point-shaped and planar cuttings as landscape embellishment and decoration.

Embodiment 2

[0037] A method for setting plants in an ecological revetment water-fluctuation zone, the steps are as follows:

[0038](1) Division: 35°<regional bank slope slope<60°, divide the water-fluctuation zone from low to high in the vertical direction and sort it into the first zone, the second zone, and the third zone; the lowest water level to the constant water level It is a zone; between the normal water level and the normal water storage level is a zone; the normal water level is upwards is a zone; the first zone is 85m ~ 88m; the second zone is 88m ~ 94m; the third zone is 94m or more sparsely vegetated areas;

[0039] (2) Planting in the first area: In the divided first area, perennial herbaceous plants that are resistant to deep submergence, have the longest flood tolerance period, and are resistant to barrenness are selected as restoration plants in this area to form a perennial grass vegetation community. Use spray sowing, the sowing rate is 20-25 kg / mu; or directly cover...

Embodiment 3

[0044] A method for setting plants in an ecological revetment water-fluctuation zone, the steps are as follows:

[0045] (1) Division: 35°<regional bank slope slope<60°, divide the water-fluctuation zone from low to high in the vertical direction and sort it into the first zone, the second zone, and the third zone; the lowest water level to the constant water level It is a zone; between the normal water level and the normal water storage level is a zone; the normal water level is upwards is a zone; the first zone is 85m ~ 88m; the second zone is 88m ~ 94m; the third zone is 94m or more sparsely vegetated areas;

[0046] (2) Planting in the first area: In the divided first area, perennial herbaceous plants that are resistant to deep submergence, have the longest flood tolerance period, and are resistant to barrenness are selected as restoration plants in this area to form a perennial grass vegetation community. In areas where the surface soil is severely damaged and it is not ...

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Abstract

The invention relates to a setting method for hydro-fluctuation belt plants of ecological bank protection, and belongs to the technical field of ecological bank protection and greening. According to the setting method for the hydro-fluctuation belt plants of the ecological bank protection, existing ecological bank protection technologies are synthesized, plants which are frequently used, spread widely and are strong in flood resistance ability are screened out through experiments, ecological remediation is carried out on hydro-fluctuation belt bank slopes which are luxuriant in summer, withered in winter, high in water level difference and long in flooding stress by analyzing the growth rhythm, the growth characteristic and the tolerance of the plants and combining the engineering technology, the purposes of recovering the ecology of a hydro-fluctuation belt, beautifying landscapes and reducing water and soil loss are achieved, the ecological remediation effect is good, green recovering speed is high, and the application range is wide.

Description

technical field [0001] The invention relates to a method for arranging plants in a water-fluctuation zone of an ecological revetment, and belongs to the fields of ecological revetment technology and greening technology. Background technique [0002] Shuifumiao Reservoir is located at the junction of Shuangfeng, Xiangxiang and Louxing counties, 0.5 kilometers downstream of Xikou, Xingzipu Town, Shuangfeng County, in the upper reaches of Lianshui, a first-class tributary of Xiangshui River, and is the source of Shaoshan irrigation area. The controlled rain collection area is 3160 square kilometers, accounting for 44% of the Lianshui River Basin area. The annual average rainfall in the basin is 1367.6 mm, which is generally concentrated in April to June, accounting for 44.3% of the annual rainfall. The total storage capacity of the reservoir is 560 million cubic meters, the normal storage level is 94 meters, the corresponding storage capacity is 370 million cubic meters, the d...

Claims

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Application Information

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IPC IPC(8): E02B3/12A01G1/00
CPCY02A10/11
Inventor 周丽惠峰
Owner WUXI MISHO ECOLOGY LANDSCAPE
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