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Shrimp-pool marine macroalgae grass composite space cultivation method

A technique for shrimp ponds and seaweeds, applied in the field of aquaculture systems, to achieve the effect of increased economic benefits and significant economic benefits

Inactive Publication Date: 2010-09-29
YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Shrimp ponds are one of the important marine aquaculture sites in my country, and they are in a relatively special environment: first, the water body is small, and the general shrimp ponds have a water surface of about 100 mu; The second is that the water layer is shallow, the temperature drops quickly in winter and the temperature rises quickly in summer; the third is that the exchange of water bodies is not good, and the pollution is relatively serious

Method used

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  • Shrimp-pool marine macroalgae grass composite space cultivation method
  • Shrimp-pool marine macroalgae grass composite space cultivation method

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Experimental program
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Effect test

Embodiment

[0046] The experiment was carried out at the end of February 2006 in the shrimp pond in Hongdao sea area of ​​Qingdao City, and ended in mid-June of that year; in autumn, it started at the end of August and ended at the end of October. The species cultivated on the surface is Sargassum (3cm long seedlings, 35-50 trees per square meter), the middle layer is asparagus (1 bunch of 40-80g, 12-17 bunches per square meter), and the bottom layer is transplanted eelgrass (2-3 bundles per square meter). The breeding area is 100 mu (2 shrimp ponds of 50 mu), and two shrimp ponds with the same area are arranged as contrasts.

[0047] The breeding method is as shown in the schematic diagram.

[0048] The test results showed that the growth conditions of sargassum, asparagus and eelweed were good, and the survival rate reached 92.34%, 88.56% and 79.31% respectively; random inspection of water samples showed that the water quality in the shrimp pond was significantly improved, and the N an...

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Abstract

The invention relates to a compound culturing system in a shrimp pool, in particular to a compound space culturing method for large varech in the shrimp pool; Sargassum thunbergii is cultured on the surface layer of the water body of the shrimp pool; gardon asparagus and / or gulfweed are cultured in the middle layer of the water body; Zosteraceae is transplanted in the bottom layer of the water body; and the surface layer of water body refers to the location of 0 to 30cm under water surface and the bottom layer of water body refers to the location of 50 to 150cm below the water surface. The method fully utilizes the limited space in the shrimp pool, not only has remarkable economic benefits, but also plays remarkable role of improvement on the environment of the shrimp pool.

Description

technical field [0001] The invention relates to a compound culture system in a shrimp pond, in particular to a compound space cultivation method for large seaweed (grass) in a shrimp pond. Background technique [0002] The rapid development of the aquaculture industry provides 1 / 3 of the world's total seafood, but it also brings huge environmental pressure, such as the deterioration of the aquaculture water body and bottom, the massive proliferation of phytoplankton, the excessive nutrient salt, and the red tide organisms. The occurrence of aquaculture causes frequent occurrence of diseases of aquaculture organisms, the quality of aquaculture organisms declines, and it is difficult for the aquaculture industry to develop sustainably and healthily. Therefore, the purification of aquaculture environment has become a hot spot in the study of sustainable development of aquaculture. [0003] Only by selecting the appropriate cultured species and adopting corresponding farming t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G33/00A01K61/00C02F3/32
CPCY02A40/80Y02A40/81
Inventor 叶乃好邹健于守团毛玉泽蒋增杰
Owner YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
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