Arid desert region flood plain tamarix chinensis recovery method
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A restoration method and floodplain technology, applied in the field of building flood-damping dams to restore Tamarix, can solve problems such as analysis of less impact on update, and achieve strong practicability and operability, quick effect and good effect.
Inactive Publication Date: 2013-10-02
INST OF AFFORESTATION & DESERTIFICATION PREVENTION & CONTROL XINJIANG ACADEMY OF FOREST SCI
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Problems solved by technology
In inland river basins in arid regions, the occurrence and development of desert riparian tamarisk forests are closely related to changes in river flooding and river channel changes. In the past 10 years, my country has made great progress in the research on flood and riparian vegetation. However, most of these studies are preliminary studies on the impact of flooding on plant community distribution, community structure, species diversity, and soil seed bank, and rarely involve the analysis of the impact of flooding on seedling regeneration of riparian Tamarix forests.
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Embodiment 1
[0018] It was carried out on the floodplain of the Yulongkashi River in Smarwati Township, Hotan County, Hotan Prefecture (N37°51′19.8″, E80°26′27.2″), close to the Tamarix grove. The demonstration area is located in the southwestern margin of the Tarim Basin. It has typical dry continental climate characteristics. The climate is dry and rainless, with large evaporation. The temperature difference is large and the frost-free period is long. The specific steps are as follows:
[0019] Selection of floodplain restoration site for Tamarix: In the floodplain close to the Tamarix forest, select the flooded area as the site for Tamarix regeneration;
[0020] Natural and artificial measures of Tamarix seed drop: Taking advantage of the fact that the maturity of Tamarix seeds is synchronized with the flood, in June, July, and August, the seeds of Tamarix will fall on the floodplain with the wind, and will germinate, take root, and develop into seedlings in case of floods, and will not...
Embodiment 2
[0024] It was carried out on the floodplain of the Kashgara River in Smarwati Township, Hotan County, Hotan Prefecture (N37°45′26.27″, E80°11′23.75″). There are Tamarix trees in this area. This demonstration area is located in the southwest margin of the Tarim Basin, with typical The dry continental climate is characterized by drought and lack of rain, large evaporation, hot summer, cold but not cold winter, rapid and unstable temperature rise in spring, rapid and short fall in autumn, large temperature difference between day and night, and a long frost-free period. The specific steps are as follows:
[0025] Selection of restoration sites for Tamarix tamarisk in floodplain: In the floodplain with Tamarix groves, select the flooded area as the site for restoration of Tamarix tamarisk;
[0026] Natural and artificial measures of Tamarix seed drop: Taking advantage of the fact that the maturity of Tamarix seeds is synchronized with the flood, in June, July, and August, the seeds ...
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Abstract
The invention relates to an arid desert region flood plain tamarix chinensis recovery method. According to the method, at a flood plain which is provided with or close to a tamarix chinensis seed production stand, a flood overflowing area is selected as a tamarix chinensis renewed place. Through the utilization of the characteristic of synchrony of tamarix chinensis seed maturation and flood, conventional flood plain tamarix chinensis renewed recovery or auxiliary manual seed sowing is carried out, a simple flood-control dam is set up next year in the direction of a river channel, the flood-control dam is used for stopping flood out of the seedling renewing area the flood plain tamarix chinensis, so that the tamarix chinensis seedlings can not be washed and soaked by the flood, the seedlings grow normally, a large area of tamarix chinensis community is recovered, and river banks are protected. The method also is suitable for vegetation restoration and reconstruction, ecological environment improvement, desertification prevention and control and other aspects which are carried out taking the tamarix chinensis as constructive species on flood plains which have or are close to a tamarix chinensis seed production stand. The result of a test in the Hotan prefecture shows that through the method, the tamarix chinensis can be recovered up to 2.4-2.6 plants per square meter, and compared with other methods, the rate of increase is 180-210%.
Description
technical field [0001] The invention relates to a method for restoring Tamarix tamarisk on floodplains in arid desert areas of Xinjiang, in particular to a method for restoring Tamarix tamarisks by building flood dams by using seasonal floods, bare land on floodplains in flooded areas, natural seed fall of tamarisks. Background technique [0002] Tamarix spp. L., also known as Tamarix spp. L., belongs to Tamarix family. Tamarix ramosissima, Tamarix hispida and Tamafx Leptostachys are the main species of tamarix distributed in the Hotan River Basin. River beach tamarisks are mainly distributed in floodplains and terraces of various branch channels. In the case of water shortage, many associated species disappeared, a large number of Tamarix withered, and the community declined. Tamarix sandy land is mainly distributed in the outer edge of the oasis and around the river, which can block the wind and sand, and fix the sand dunes, forming a "red willow bag". Tamarix is an i...
Claims
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Application Information
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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00E02B3/10
CPCY02A10/30
Inventor 朱玉伟刘康陈启民桑巴叶褚奋飞王永红
Owner INST OF AFFORESTATION & DESERTIFICATION PREVENTION & CONTROL XINJIANG ACADEMY OF FOREST SCI
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