A seedling pond and domestication method for improving the survival rate of Sargassum seedlings
A technology for nursery ponds and sargassum, which is applied in botanical equipment and methods, seaweed cultivation, horticulture, etc., can solve the problems of dependence, low survival rate, weak seedlings, etc., and achieves strong wind resistance, high survival rate, and seedling growth. quick effect
Active Publication Date: 2019-08-20
GUANGDONG OCEAN UNIVERSITY
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Problems solved by technology
At present, there are mainly two methods for the construction of Sargassum algae farms: one is to collect existing wild Sargassum seedlings and transplant them. It is suitable for large-scale promotion and use; the other is to artificially collect the fertilized eggs of Sargassum, spray the fertilized eggs of Sargassum on the artificial attachment base, and cultivate a large number of seedlings through sexual reproduction, but the seedlings cultivated by this method are relatively weak , can not resist the wind and waves in the intertidal zone, the rate of seedling removal is high, and the survival rate is low
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Embodiment 1
[0031] This example was carried out at the Longhaitian Marine Biological Research Base on Donghai Island, Zhanjiang City, from June to September 2015, and 200 bricks were cultivated as attachment bases.
[0032] A seedling pond for improving the survival rate of Sargassum seedlings, for details, please refer to the appended figure 1 , the vertical partition wall 2 is arranged in the described nursery pond, and four water pumps 1 are arranged in the same direction in the corner of the described nursery pond, and its water outlet direction can form a clockwise circulation, which can be referred to figure 1 A direction in the middle; the length of the nursery pond is 5m, the width is 3m, and the depth is 1.5m, and the length of the vertical partition wall is 3m, the thickness is 0.25m, and the height is 1m.
[0033] A method for domesticating seedling ponds that improves the survival rate of Sargassum seedlings, using the above-mentioned seedling ponds to domesticate and cultivat...
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The invention relates to a nursery pond capable of increasing the survival rate of gulfweed seedlings. The nursery pond is internally provided with a vertical separating wall; the corners of the nursery pond are provided with a plurality water pumps in the same direction; four water pumps are arranged on the four corners of the nursery pond in the same direction. The invention also provides an acclimation method capable of increasing the survival rate of gulfweed seedlings. The method is characterized by using the nursery pond for acclimation and culture of gulfweed seedlings, and acclimating the gulfweed seedlings at intervals with the water flow speed being controlled at different growth stages of the seedlings. With a running water culture mode, water flow is controlled accurately at different growth stages of gulfweed seedlings, so that the seedlings can be fixed more firmly on a substrate and the seedlings grow fast and are healthy and robust; when the substrate is transplanted to a sea area, the seedlings are capable of resisting storms, and the survival rate of the gulfweed seedlings is greatly increased.
Description
technical field [0001] The invention relates to the field of sargassum artificial seedling cultivation and ecological restoration, in particular to a nursery pond and a domestication method for improving the survival rate of sargassum seedlings. Background technique [0002] Sargassum is a large-scale economic algae, which grows rapidly. Large-scale cultivation can reduce eutrophication in sea areas. Sargassum can also absorb heavy metals. In addition, Sargassum has high economic and ecological value. Algae can be eaten or used as natural high-quality bait for economic animals such as abalone and sea cucumber. [0003] In recent years, sea areas have been seriously polluted and the environment has been deteriorating, leading to the depletion of sargassum resources and the decline of a large number of natural algae fields. As the environment of offshore sea areas has been highly valued by all levels of society, the restoration of sargassum algae fields has also attracted incr...
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IPC IPC(8): A01G33/00
Inventor 谢恩义孙立伟刘东超刘丽王艳平粟文贺亮
Owner GUANGDONG OCEAN UNIVERSITY