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Method for artificially cultivating Sargassum thunbergii in intertidal zones

A technology of artificial cultivation and intertidal zone, which is applied in seaweed cultivation, cultivation, plant cultivation, etc., can solve the problems of high cost and low benefit, and achieve the effect of improving adhesion and increasing aquaculture output

Inactive Publication Date: 2013-04-03
MARICULTURE INST OF SHANDONG PROVINCE
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Problems solved by technology

[0005] The purpose of the present invention is to provide a method for the artificial cultivation of Sargassum intertidal zone, which can solve the problems of high cost and low benefit of existing technical means, and realize the large-scale cultivation of Sargassum in the intertidal zone suitable for cultivation. Preserve existing resources and scale up

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Embodiment Construction

[0014] The method of the present invention will be described in detail below in combination with specific embodiments.

[0015] 1) Preparation and pretreatment of attachment substrate: Use concrete to make a cake-shaped or other-shaped attachment substrate, attach scallop shells or sand to the surface of the attachment substrate to form a rough surface; soak the attachment substrate in seawater, and then rinse with fresh water Soaking completes the pretreatment; one size of the attached substrate can be a round cake, with a diameter of 1m and a thickness of 5cm, and the bottom surface is sunken to reduce weight.

[0016] 2) Fully wash the collected sargassum in seawater to remove the miscellaneous algae and other attachments attached to the sargassum. Collect scattered fertilized eggs according to the ratio of male and female planting vegetables at 6:1, and stop picking seedlings when the attachment density of fertilized eggs reaches 30-40 per field of view (10×10).

[0017] ...

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Abstract

The invention relates to a method for artificially cultivating Sargassum thunbergii in intertidal zones. According to the method, fertilized eggs are artificially collected from a seedling collection pool and are attached to appropriate attaching matrixes, Sargassum thunbergii seedlings are fixedly arranged on appropriate cultivating regions of the intertidal zones together with the attached matrixes after the seedlings are cultured to be more than 2 mm in length, and thus, the Sargassum thunbergii is artificially cultivated in the intertidal zones. According to the method provided by the invention, a wild living environment for the Sargassum thunbergii is simulated through the attaching matrixes, and the attaching force of the seedlings is increased through a low-temperature freezing manner; and the space of the attaching matrixes can be fully utilized, so that the Sargassum thunbergii cultured yield in a unit area is increased.

Description

technical field [0001] The invention relates to a method for cultivating sargassum, in particular to a method for artificially cultivating sargassum in the intertidal zone. Background technique [0002] Sargassum thunbergii is a large economical seaweed belonging to the Phaeophyta, Enzophyta, Fucusaceae, Sargassumaceae, and Sargassum genus. It is a common wild species in the coastal areas of my country. Sargassum has a relatively 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. With the deepening of its research in recent years, some important functions of Sargassum have been gradually discovered: in addition to occupying an important position in the marine ecosystem, it also has many potential developments in industries such as medicine, health care, aquaculture and chemical industry. potential, the ...

Claims

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Application Information

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IPC IPC(8): A01G33/00
Inventor 丁刚詹冬梅徐智广李美真刘玮王翔宇
Owner MARICULTURE INST OF SHANDONG PROVINCE
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