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Method for building wetland vegetation in hydro-fluctuation belts of Three Gorges reservoir by utilizing lotuses

A wetland vegetation and water-fluctuation zone technology, applied in botany equipment and methods, applications, horticulture, etc., can solve the problems of terrestrial plants that are not resistant to flooding, death, and not applicable to the water-fluctuation zone of the Three Gorges Reservoir, etc., and achieve large-scale Promote, beautify the landscape, and improve the effect of ecological environment quality

Inactive Publication Date: 2011-09-28
WUHAN BOTANICAL GARDEN CHINESE ACAD OF SCI
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AI Technical Summary

Problems solved by technology

Before water storage in the Three Gorges water-fluctuating zone, most of them were high-quality farmland and forest land, or densely populated areas such as towns and docks. After water storage, they became seasonally inundated areas or artificial wetlands due to periodic exposure. Most of the existing terrestrial plants may be due to insufficient water resistant to death
[0008] None of the above vegetation construction techniques are suitable for wetland restoration in the water-fluctuation zone of the Three Gorges Reservoir, so it is necessary to explore new technical methods to construct the wetland ecosystem in the water-fluctuation zone

Method used

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  • Method for building wetland vegetation in hydro-fluctuation belts of Three Gorges reservoir by utilizing lotuses
  • Method for building wetland vegetation in hydro-fluctuation belts of Three Gorges reservoir by utilizing lotuses

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Embodiment Construction

[0031] Below in conjunction with accompanying drawing and embodiment describe in detail:

[0032] 1. If figure 1 , widen the ridge to 55-65cm, and the inner angle of the ridge is 40-50 degrees.

[0033] 2. Test results

[0034] The experiment was carried out in the farmland in the sinking area of ​​Baishiya Village, Shibao Town, Zhongxian County, Chongqing City.

[0035] In the first ten days of April 2008, the farmland was plowed, and measures were taken to widen the ridge and reinforce the inside to level the farmland soil.

[0036] Choose the lotus root with intact terminal buds as the seed lotus root, plant it by division method, keep the water level of 10cm, and gradually increase the water level with the growth of floating leaves and standing leaves.

[0037] According to observations, the lotus begins to bloom in May, the blooming period is from June to August, and the lotus pods are picked from July to September.

[0038] After the Three Gorges Reservoir was floode...

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Abstract

The invention discloses a method for building wetland vegetation in hydro-fluctuation belts of Three Gorges reservoir by utilizing lotuses, which relates to a method for restoring vegetation ecosystems in reservoir hydro-fluctuation belts. The method comprises: 1, selecting two lotus varieties, namely red lotuses and Hunan lotuses as plant materials; 2, selecting the prior farmland in the reservoir hydro-fluctuation belts as a planting base; 3, plowing and leveling the farmland, widening field ridges and reinforcing the inner sides of the field ridges in first ten days of April; 4, selecting lotus roots with intact terminal buds as seed lotus roots, planting the seed lotus roots by a ramet method in middle / last ten days of April, keeping water level at 10 cm and gradually raising the water level to 15 cm in future along with the growth of floating leaves and vertical leaves; and 5, managing by conventional methods. The method builds wetland vegetation ecosystems in the hydro-fluctuation belts by renovating the prior farmland and planting lotuses so as to achieve the effect of beautifying landscapes of the hydro-fluctuation belts and improve the quality of the ecological environment of the hydro-fluctuation belts.

Description

technical field [0001] The invention relates to a method for restoring a vegetation ecosystem in a water-fluctuation zone of a reservoir, in particular to a method for constructing wetland vegetation in the water-fluctuation zone of the Three Gorges Reservoir by using lotus flowers. Background technique [0002] In recent years, the water-fluctuation zone formed by the construction of large-scale reservoirs has seriously affected the health and safety of the river ecosystem. The ecological restoration and management of the water-fluctuation zone of the reservoir is becoming a hot spot at home and abroad. However, comprehensive research work has not yet been carried out at home and abroad on the ecological restoration and control of the water-fluctuating zone of the reservoir. [0003] At present, there are 85,000 large and medium-sized reservoirs in my country, and the vegetation restoration in the hydrofluctuation zone has hardly been systematically studied. It has not rece...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00
Inventor 江明喜黄汉东卢志军李连发
Owner WUHAN BOTANICAL GARDEN CHINESE ACAD OF SCI
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