Ecological restoration method for natural community of scirpus mariqueter in intertidal zone

A technology for ecological restoration and intertidal zones, applied in botany equipment and methods, seed coating/seed dressing, horticulture, etc., can solve the high cost, difficulty in sowing and transplanting of sea clump seeds and surviving soil and other issues, to achieve the effect of low cost, overcome the interference of tidal flat hydrodynamic conditions, and promote rapid emergence and settlement

Active Publication Date: 2018-12-18
EAST CHINA NORMAL UNIV
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Problems solved by technology

The present invention overcomes the problems of strong intertidal zone hydrological dynamics affecting the sowing an...

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  • Ecological restoration method for natural community of scirpus mariqueter in intertidal zone

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Embodiment

[0026] Chongming Dongtan Bird National Nature Reserve is the largest and most well-developed estuary-type tidal flat wetland in the Yangtze Estuary. High-intensity human activities and global changes have had a great impact on Chongming Dongtan Wetland, which is mainly manifested in the drastic reduction of suitable habitats for protected organisms (including the native species Spartina alterniflora) due to the invasion of alien species Spartina alterniflora. In the ecological restoration project of "Intertidal Seastris trigonum population reconstruction and rejuvenation technology" in Dongtan, Chongming, the present invention is adopted in the natural tidal flats (31 ° 30' 25 "N~31 °) outside the seawall in the middle of the nature reserve. 30′51″N, 121°59′7″E~121°59′28″E) (attached figure 1 ) successfully carried out the experiment and demonstration of the method of ecological restoration of the intertidal sea three-edge grass community based on the "opportunity window" and ...

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Abstract

The invention discloses an ecological restoration method for the natural community of scirpus mariqueter in the intertidal zone. According to the method, the scirpus mariqueter community is restored quickly and at low cost in the intertidal zone through the collection and pretreatment of scirpus mariqueter seeds and accurate selection of the opportunity window suitable for habitat and time and bythe jute bag-assisted seed sowing method. The problem that strong hydrological dynamics of the intertidal zone affect seeding and survival of the scirpus mariqueter seeds and the traditional scirpus mariqueter transplantation is difficult and has high cost is solved. By combining the simple, effective, easy-to-operate and low-cost ecological restoration method for the natural community of scirpusmariqueter in the intertidal zone, large-scale restoration and reconstruction of the natural community of scirpus mariqueter in the intertidal zone of the Yangtze River estuary and the Hangzhou Bay can be realized, and the restoration of the structure and function of a salt marsh ecosystem is achieved.

Description

technical field [0001] The invention belongs to the technical field of ecological engineering, and relates to a new method for restoring the ecology of the natural community of S. trigonum in the intertidal zone based on "opportunity window" and seeds. Background technique [0002] Scirpus mariqueter is a herbaceous plant of the genus Scirpus marique in the family Cyperaceae. In my country, it is mainly distributed in the coastal areas of the Yangtze River Estuary (Nanhui, Fengxian, Jinshan, Chongming, Changsha Island, Hengsha Island and Jiuduansha) and the intertidal zone of the coastal wetlands along the Hangzhou Bay. The key species and pioneer species that settle and spread in the light beach front of beach wetland. It is one of the most important building species in the wetland ecosystem of the Yangtze River estuary. It has important ecological service functions such as reducing waves, promoting siltation and beach consolidation, and plays a very important role in the w...

Claims

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Application Information

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IPC IPC(8): A01C1/06A01G22/00
CPCA01C1/06A01G22/00
Inventor 袁琳陈雅慧田波汤臣栋马强曹浩冰赵志远王恒张利权
Owner EAST CHINA NORMAL UNIV
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