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Gulfweed pond culture facility and application method

A technology for sargassum and ponds, applied in the field of seaweed cultivation rafts, can solve the problems of reducing space utilization, easy death of algae, and affecting growth, and achieve the effects of reducing labor intensity, facilitating environmental restoration, and convenient management

Inactive Publication Date: 2011-01-19
SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In nature, Sargassum is attached to hard substrates such as reefs or shells on the seabed with rhizoids. The ordinary pond environment is difficult to meet the conditions for its attachment. Since Sargassum has the structure of air sacs, it can be directly put into the pond. The algae will float on the water surface, reducing the space utilization rate and at the same time, the algae are particularly easy to die and rot. Therefore, there is an urgent need for a sargassum culture facility suitable for the pond environment, so that the related production can be carried out smoothly.
At present, there are few reports on Sargassum cultivation. The method of directly hanging Sargassum on the rope will make Sargassum float on the water surface, reduce the utilization rate of space, and affect its growth.

Method used

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[0023] Starting from January 31, 2010, a breeding facility was constructed according to the above method, and related experiments were carried out in the shrimp pond behind the Daya Bay Marine Biology Comprehensive Experimental Station of the Chinese Academy of Sciences: The Sargasso used is S. halifolia collected from the adjacent sea, and the average individual plant The wet weight is 38.6±10.1g; after the breeding facilities are put into the pond, the sargassum can be evenly suspended in the water body, making full use of the space and providing shelter for the prawns; in order to prevent the pollution of the algae, every 1~ The rope was shaken once every 2 weeks; the relevant water quality indicators during the breeding period were: average water temperature of 22.2℃, salinity of 27.0, pH of 8.3, TN of 12.4μmol / L, and TP of 1.3μmol / L; harvested on March 26, 2010, The wet weight of a single Sargasso plant increased to 91.5±24.0g, and the average growth rate reached 0.95g / d. ...

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Abstract

The invention relates to a gulfweed pond culture facility and an application method, in particular to a simple raft frame for culture of gulfweed, which can solve the problem of being short of pond culture and gulfweed facilities. The facility consists of a cable, floats, a floating rope, a seeding rope and a dropstone, wherein the cable is used for towing the floating rope and keeping the floating rope straight, the floats are connected at two ends of the floating rope for producing buoyancy and indicating the positions, the seeding rope is fastened on the floating rope for fixing gulfweed, the buoyancy of the gulfweed is used for leading the floating rope to be in the floating state, and the length of an extension rope of the dropstone is regulated to leading the floating rope to be in the appropriate water depth. The facility has simple structure and low cost, and can lead a frond to be uniformly distributed in a water body with the help of the buoyancy of the gulfweed, thereby fully utilizing space of the water body, improving the growth efficiency and facilitating the management and the harvesting. The utilization of the facility for the culture of the gulfweed can effectively purify water quality while improving the growth efficiency of the frond, provide shelters for fish and shrimps, and lead the cultured products of the gulfweed to have higher economic value.

Description

Technical field [0001] The invention relates to a sargassum pond culture facility and an application method, in particular to a seaweed culture raft suitable for stabilizing water bodies and an application method. Background technique [0002] With the increasing scale of aquaculture in recent years, some environmental-related problems have become increasingly prominent, among which the environmental pollution of pond aquaculture has attracted more and more attention. Practice has proved that polyculture of macroalgae in ponds is an economical, efficient and environmentally friendly way of environmental regulation. The growth of macroalgae has a certain seasonality. The economic algae that can be used for environmental regulation in the autumn and winter low temperature seasons in the southern seas of my country are more economical, efficient and environmentally friendly. At this time, it coincides with the optimal growth period of Sargassum. Early studies have shown that Sargassu...

Claims

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Application Information

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IPC IPC(8): A01G33/00
Inventor 于宗赫胡超群任春华李海鹏彭鹏飞
Owner SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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