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Collecting apparatus for coral sperms and eggs in natural sea area and using method thereof

A collection device, coral essence technology, applied in the field of coral sperm egg collection devices in natural sea areas, can solve the problems of less understanding of coral sexual reproduction, increased death probability in the growing stage, low gamete survival rate and attachment rate, etc., to achieve improvement Survival efficiency, improved survival rate, and simple structure

Pending Publication Date: 2019-11-15
SHENZHEN INST OF GUANGDONG OCEAN UNIV +2
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, little is known about the sexual reproduction of corals
In addition, corals have a strong seasonality in sexual reproduction, and sperm eggs are only released at a specific time once a year, and then coral gametes are fertilized and attached in a natural environment; however, due to the complex environment of natural sea areas, the survival rate and attachment of gametes The low rate makes the coral survival rate low
Furthermore, it takes considerable time for larvae to grow into ornamental coral colonies, thus affecting coral yields and increasing mortality during the grow-out phase
These unfavorable factors limit the reproduction and development of corals, and unless effective measures are taken, coral reefs may disappear in the next few decades

Method used

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  • Collecting apparatus for coral sperms and eggs in natural sea area and using method thereof
  • Collecting apparatus for coral sperms and eggs in natural sea area and using method thereof
  • Collecting apparatus for coral sperms and eggs in natural sea area and using method thereof

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Embodiment 1

[0054] A device for collecting coral sperm eggs in a natural sea area, characterized in that it comprises a bottom collecting and fixing device 1, a middle buoyancy enrichment device 2, an upper collecting device 3 and a top positioning device 4 that are connected together from bottom to top in sequence;

[0055] The bottom collecting and fixing device 1 includes a No. 1 conical net 5 with openings at both ends, a fixing ring 6 is connected to the lower end of the No. 1 conical net 5, and a plurality of fixing blocks 7 are fixedly connected to the fixing ring 6, and the fixing blocks 7 are lead blocks. The circle 6 is a stainless steel circle, which is used to firmly fix the present invention on the coral;

[0056] The intermediate buoyancy enrichment device 2 includes a No. 2 conical net 8 which is open at both ends and has a truncated shape. There is a buoyancy cylinder 9, the outer side of the buoyancy cylinder 9 is provided with a foam layer 10, the foam layer 10 is a pp f...

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Abstract

The invention relates to a collecting apparatus for coral sperms and eggs in a natural sea area and a using method thereof. The collecting apparatus comprises a bottom collecting and fixing device, amiddle buoyancy enriching device, an upper collecting device and a top locating device which are sequentially connected from bottom to top. The apparatus has the advantages of being simple in structure, convenient to install, low in construction cost, friendly to the marine environment and free of pollution. A round steel ring structure is adopted at the bottom of the collecting apparatus, and lead blocks with certain weight are bound to the collecting apparatus, so that the collecting apparatus is stable in a coral gamete collecting area, firm, durable and capable of resisting large wind waves. The upper collecting device and the middle buoyancy enriching device can well enrich and collect coral gametes to achieve the purposes of collecting the coral gametes and increasing the survival rate. The top locating device provides convenience for locating the specific position of the collecting apparatus in the vast sea area. The whole apparatus is easy to operate and high in practicability.By using the collecting apparatus for the coral gametes, the survival efficiency of the gametes is greatly improved, and the work of repairing coral reefs in natural sea areas is promoted.

Description

technical field [0001] The invention relates to the technical field of sexual reproduction of corals, in particular to a collection device for coral sperm and eggs in natural sea areas and a method for using the same. Background technique [0002] Coral reef ecosystem is one of the most species-rich and biodiversity-rich ecosystems on earth. A large number of marine organisms gather in this ecosystem, and at the same time, it stores huge marine resource productivity. It is known as the "tropical rainforest in the ocean". ". Coral reefs are mainly formed by the accumulation of reef-building stony corals in the stony coral order. Coral is a lower marine coelenterate. In zoological classification, they belong to Cnidaria or Coelenterata, Anthozoa, which mainly prey on plankton in the ocean. plants to maintain their life activities. Corals reproduce in two ways: sexually and asexually. Compared with asexual reproduction, sexual reproduction of corals has the advantages of st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00
CPCA01K61/00Y02A40/81Y02A10/26
Inventor 肖宝华廖宝林杨小东谢子强王云祥蔡林谢勇琪欧小清
Owner SHENZHEN INST OF GUANGDONG OCEAN UNIV
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