Intermediate rearing method for Sargassum thunbergii Kuntze seedlings

A cultivation method and intermediate cultivation technology, applied in seaweed cultivation, botanical equipment and methods, cultivation, etc., can solve problems such as environmental pollution and energy waste, and achieve the goal of protecting the marine environment, reducing environmental impact, and realizing resource utilization Effect

Inactive Publication Date: 2011-10-05
胶南市海洋与渔业局 +4
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Problems solved by technology

At present, aquaculture enterprises generally discharge the aquaculture wastewater directly to the outside, which not only causes a was

Method used

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Embodiment Construction

[0013] The sargassum seedlings that carry out intermediate cultivation of the present invention can be with reference to the Chinese invention patent "The method for cultivating large-scale sargassum seedlings in the northern sea area in advance" (application number is 200810015835.9, and the publication date is September 17, 2008) method developed. Put the cultivated seedlings (size less than or equal to 4cm) into the storage place where the aquaculture wastewater collected from industrial greenhouses is used for intermediate cultivation of sargassum seedlings, and then the sargassum seedlings cultivated to 10cm are put into the sea farming.

[0014] Extracting underground seawater for industrialized greenhouse farming of flounder and flounder is a common farming model in the northern region. The temperature of the underground seawater remains relatively stable all year round, and the temperature of the discharged aquaculture wastewater varies from 14 to 18°C. For example, i...

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Abstract

The invention relates to an intermediate rearing method for Sargassum thunbergii Kuntze seedlings, which is characterized in that: breeding waste water from industrial greenhouse breeding performed by pumping underground seawater is used for the intermediate rearing of the Sargassum thunbergii Kuntze seedlings; and filter-feeding shellfish and/or prawns are cultured in a culture pond. By using breeding waste water from industrial greenhouse breeding performed by pumping underground seawater for culturing Sargassum thunbergii Kuntze seedlings, the invention provides an intermediate rearing method for Sargassum thunbergii Kuntze seedlings in northern China. In the method disclosed by invention, the overwintering and aestivating problems in the propagation process of the Sargassum thunbergii Kuntze seedlings are successfully solved by using the energy of breeding waste water, and the Sargassum thunbergii Kuntze seedlings grow fast constantly; and the Sargassum thunbergii Kuntze can absorb organic waste in the breeding waste water, so that the waste water from the industrial greenhouse breeding is recycled, and ocean environment is protected. Meanwhile, a large amount rearing and management cost is saved by using the inhibition effect of the filter-feeding shellfish and prawns on the enemy organisms of the Sargassum thunbergii Kuntze seedlings in an early growing stage.

Description

technical field [0001] The invention belongs to the technical field of algae seed cultivation, and in particular relates to a method for intermediate cultivation of sargassum seedlings, that is, the intermediate cultivation of sargassum seedlings is carried out by using the culture wastewater in industrial greenhouses. Background technique [0002] Sargassum thunbergii belongs to the Phaeophyta, Enzophyta, Fucusaceae, Sargassumaceae, and Sargassum genus. It is a common wild macroalgae in the coastal areas of my country. Sargassum has a wide distribution range in my country, from the Liaodong Peninsula in the north to the Leizhou Peninsula in the south, and its traces are all over Liaoning, Shandong, Jiangsu, Zhejiang, Fujian, Guangdong and other provinces. As a high-quality bait for sea cucumbers and abalones, with the development of sea cucumber and abalone aquaculture, naturally growing sargassum has been harvested and utilized in large quantities, so that wild sargassum r...

Claims

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Application Information

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IPC IPC(8): A01G33/00
Inventor 吴继法赵艳芳丁刚刘蕾王飞李德军周兴
Owner 胶南市海洋与渔业局
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