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Cement and coral sand mixed type substratum and manufacturing and application method thereof

A technology of coral sand and attachment base, which is applied in the fields of application, climate change adaptation, fish farming, etc., can solve problems such as inability to spread in a large area, adverse effects on the growth of giant clam spat, damage to the coastal environment of coral reefs, etc., to achieve growth speed And survival rate, reliable technical support, easy to promote the effect

Pending Publication Date: 2022-05-13
SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the disadvantages of using coral stone as its attachment base are very obvious: first, the coral stone is uneven and irregular and has many pores, and the entry of giant clam spats into the pores will cause the death of giant clam seedlings; A large amount of algae will easily cause adverse effects on the growth of giant clam spat attached to it; thirdly, the use of coral stones as attachment bases cannot be widely promoted, and a large amount of coral stones will damage coral reefs or coastal environments

Method used

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  • Cement and coral sand mixed type substratum and manufacturing and application method thereof

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Embodiment 1

[0020] Such as figure 1 As shown, the preparation and application method of the cement coral sand mixed type attachment base of the present embodiment comprises the following steps:

[0021] a. Material preparation: On March 30, 2020, coral bones and coral sand were collected at the beach in front of the Hainan Tropical Marine Biology Experimental Station of the Chinese Academy of Sciences, and washed with clean water for later use. Use the sieve silk net to dry out the coral sand with a particle size of 0.5-0.8mm and the coral bone with a size of 2-4 cm.

[0022] b. Production of the attachment base mold: On April 1, 2020, a rectangular mold with an inner diameter of 40 x 60 cm and a side length of 40 cm x 60 cm is made of silica gel for use, and the middle is separated;

[0023] c. Preparation of attachment base: On April 2, 2020, mix Portland cement and coral sand with a particle size of 0.5-0.8mm in a mass ratio of 1:2, then add an appropriate amount of water and stir eve...

Embodiment 2

[0027] a. Material preparation: On March 20, 2021, coral bones and coral sand were collected from the beach in front of the Hainan Tropical Marine Biology Experimental Station of the Chinese Academy of Sciences, and washed with clean water for later use. Use the sieve silk net to dry out the coral sand with a particle size of 0.5-0.8mm and the coral bone with a size of 2-4 cm.

[0028] b. Production of the attachment base mold: On March 23, 2021, a rectangular mold with an inner diameter of 40 x 60 cm and a side length of 40 cm x 60 cm is made of silica gel for spare use, separated in the middle;

[0029] c. Preparation of attachment base: On March 25, 2021, mix Portland cement and coral sand with a particle size of 0.5-0.8mm in a mass ratio of 1:2, then add an appropriate amount of water and stir evenly, and inject into the silicone base in step b In the mould, 20 adhesive bases with a size of 20×30 cm and a thickness of 2 cm were made. After the cement mortar is poured into...

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Abstract

The invention discloses a cement and coral sand mixed type substratum and a manufacturing and application method thereof. The light and environment-friendly cement and coral sand mixed type substratum is developed through the technical means of material preparation, substratum mold manufacturing, substratum manufacturing, substratum treatment, substratum application and the like. According to the method, the survival rate of the tridacna juvenile mollusks is increased, the growth speed of the juvenile mollusks is increased, and the breeding period is shortened. The method is different from the traditional corallite attachment base which is uneven and destroys coral reefs, and has the advantages of low cost, simplicity and convenience in operation, environment friendliness, easiness in popularization and the like.

Description

Technical field: [0001] The invention belongs to the technical field of shellfish cultivation in marine agriculture, and in particular relates to a cement-coral-sand mixed type attachment base and a production and application method thereof. Background technique: [0002] Tridacna is a large tropical marine bottom-dwelling shellfish, generally referring to 12 species of Tridacnaidae, distributed from the Pacific Ocean to the Indian Ocean, with different sizes. Among the eight species distributed in the South my country Sea, giant clams Kushii and giant clams without scales can exceed half a meter in length. Porcelain giant oyster) is only thirty or forty centimeters in size. Tridacna is the main framework species in the coral reef ecosystem. It plays an active and key role in maintaining coral reef biodiversity and ecosystem stability. It provides habitats, protection areas, breeding and feeding places for many marine organisms, and is of extremely important ecological impor...

Claims

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Application Information

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IPC IPC(8): A01K61/00A01K61/77
CPCA01K61/00A01K61/77Y02A40/81
Inventor 李军张跃环秦艳平马海涛喻子牛
Owner SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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