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Device and method for temporary culture of kelp seedlings in sea area

A technology for kelp and seedlings, applied in botany equipment and methods, seaweed cultivation, horticulture, etc., can solve the problems of large decrease in the number of kelp seedlings, poor quality of kelp seedlings, large changes in seawater temperature, etc., and achieve low mortality and good growth , high-quality effect

Inactive Publication Date: 2012-08-15
NINGBO UNIV
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  • Abstract
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Problems solved by technology

But at this time, the light on the surface of the seawater in the temporary sea area is more than a hundred times stronger than that in the room, and the temperature of the seawater varies greatly, generally fluctuating at 15-22°C. The quality of kelp seedlings is poor, and the number of kelp seedlings has dropped greatly after temporary cultivation, which directly affects the quality of seedling cultivation and cultivation

Method used

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  • Device and method for temporary culture of kelp seedlings in sea area
  • Device and method for temporary culture of kelp seedlings in sea area

Examples

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Embodiment 1

[0016] Such as figure 1 A device for temporarily raising kelp seedlings in sea areas is shown, which includes a floating raft frame 1, which can be a frame composed of four bamboo poles or a frame composed of two bamboo poles and two ropes. The raft frame 1 can be provided with floats (not shown in the figure) in order to enhance the buoyancy, and the floating raft frame 1 is fixedly connected with the iron anchor (not shown in the figure) on the seabed to prevent drifting away and being overturned by waves. The four corners of the floating raft frame 1 are provided with 4 movable slings 2, the movable sling 2 can be 2-3 meters according to adjustment and fixed length, the movable sling 2 is hoisted with a temporary support frame 3 made of plastic tubes, and the temporary support frame 3 is provided with Kelp seedling rope 4, temporarily supporting frame 3 is hung with fertilizer device 5 (can be fertilizer bag or fertilizer tank etc.) and allows temporarily supporting frame 3...

Embodiment 2

[0018] It is basically the same as embodiment 1, except that the temporary support frame 3 is an iron pipe. Because the gravity of the iron pipe is sufficient, there is no need to hang and drop stones on the temporary support frame 3, except that four corners of the floating raft frame 1 are set. In addition to the active sling, it is also possible to add an active sling on the side to increase the hanging capacity.

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Abstract

The invention discloses a device and a method for temporary culture of kelp seedlings in a sea area. The device comprises a floating raft frame. At least four movable suspending ropes are disposed on the floating raft frame. A temporary culture rack is suspended on the movable suspending ropes. Kelp seedling ropes are disposed on the temporary culture rack. A fertilizer device is suspended on the temporary culture rack. The distance between the temporary culture rack and the floating raft frame can be adjusted through the movable suspending ropes. Temporary culture depth can be adjusted for kelp seedlings in different stages of temporary culture. The kelp seedlings are left 0.5-1.5 meters deep underwater for temporary culture in the early stage, are left 0.3-0.8 meter deep underwater for temporary culture in the middle stage, and are left 0.1-0.3 meter deep underwater in the late stage, so that adaptability of the kelp seedlings to illumination and sea water temperature is gradually improved, poor growth, low quality and high death rate of the kelp seedlings due to severe change of the illumination and sea water temperature are avoided, the kelp seedlings can grow better with high quality and low death rate.

Description

technical field [0001] The invention relates to a technique for temporarily raising kelp seedlings in sea areas, in particular to a device and method for temporarily raising kelp seedlings in sea areas. Background technique [0002] There are two different cultivation periods for kelp seedlings. One is the stage of kelp seedling cultivation carried out indoors: that is, the zoospores collected from kelp—form gametophyte—transform into microspores—attach to the kelp seedling rope and cultivate until Seedlings required for delivery. The second is the temporary raising period between the attached kelp seedlings after the kelp seedling ropes leave the warehouse and the seedlings, generally starting from early November to the end of December, a total of about 45 days. In the latter temporary raising stage, the traditional temporary raising method is currently used, and the kelp seedling rope that is about to leave the warehouse is directly floated on the floating raft to allow t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G33/00
Inventor 骆其君黄显军张美谢贞优严小军周成旭朱艺峰
Owner NINGBO UNIV
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