A method for rapid construction of ecological oyster reefs

An oyster reef and eco-type technology, which is applied in the field of rapid construction of eco-type oyster reefs, can solve problems such as poor ecological environmental protection, low survival and reproduction efficiency, and difficulty in building oyster reefs, achieving high temperature, improving synchronization and attachment efficiency, The effect of increasing the probability of oyster attachment

Active Publication Date: 2021-06-01
INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims at the problems of poor eco-environmental protection of current oyster reef materials, low seedling collection efficiency, growth, survival and reproduction efficiency of reef bodies, and difficulty in building oyster reefs in areas where oyster resources are scarce. Reef construction, seed ecological quantitative collection, reef floating rapid growth and fixed-point delivery technology provide a method for rapid construction of ecological oyster reefs. The steps include:

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] (1) The production of the oyster reef ecological reef body: fix the scallop shell with a shell height of 5-8cm on a brown rope with a diameter of 0.3cm and a length of 2m. The distance between them is kept at about 8cm, and each brown rope fixes 15-20 shells to form a subunit of the oyster reef; arrange 30 subunits in parallel, and use a brown rope with a diameter of 0.5cm and a length of 10m at a distance of 60cm from one end of the brown rope. 30 sub-units are bundled, and 30 sub-units are bundled with a brown rope with a diameter of 0.3 cm at a distance of 140 cm from the same end to form an oyster reef;

[0019] (2) Seed ecological quantitative collection of oyster reefs: place the oyster reefs in a sea area with floating rafts during the concentrated oyster attachment period at the end of July, and fix the reefs at a position 50 cm from the top of the water surface with ropes. The amount of oyster attachment on the shell was counted, and the seed collection was com...

Embodiment 2

[0023] (1) Production of the oyster reef ecological reef body: take oyster shells with a shell height of 5-10 cm that have been washed and exposed to the sun, drill a hole with a diameter of 0.5 cm at a position close to the top of the shell 2-3 cm, and use a 0.5 cm diameter and a length of 3 m. Knot the shells and fix them after passing through the shell. The distance between the shells is kept at about 10cm. Each brown rope fixes 20-30 shells to form the sub-units of the oyster reef; arrange 30 sub-units in parallel and use them at a distance of 60cm from one end of the brown rope. A brown rope with a diameter of 0.5cm and a length of 10m binds 30 subunits, and every 30 subunits are tied with a brown rope with a diameter of 0.3cm at a distance of 200cm from the same end to form an oyster reef;

[0024] (2) Quantitative collection of seed ecology of oyster reefs: place oyster reefs in the sea area with floating rafts in Shentanggou, Jimo during the concentrated oyster attachme...

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Abstract

The invention discloses a method for rapid construction of an ecological oyster reef. The method comprises the steps of making an oyster reef ecological reef body, ecological quantitative collection of seedlings, rapid floating growth, and regular and fixed-point feeding. The method of the present invention is designed based on the biological and ecological principles of the oyster, utilizing its characteristics in the stages of attachment metamorphosis, growth and reproduction. The oyster reefs of the present invention are all natural materials, which can be harmlessly degraded; the reef materials have light weight, which reduces the risk of subsidence, and the efficiency of seedling attachment is high; the method of stage floating reefs significantly improves the biomass of oyster reefs and Fecundity, significantly increased the abundance of seedlings during the breeding period and the expansion speed of the reef. In a word, the oyster reef of this method has the characteristics of good environmental protection and ecology, high seedling picking efficiency, high survival rate, and fast growth rate, which overcomes the poor ecological environmental protection of current oyster reef materials and the efficiency of seedling picking, growth, survival and health of the reef body. Low reproductive efficiency and difficulties in building oyster reefs in areas where oyster resources are scarce.

Description

technical field [0001] The invention relates to an artificial reef construction technology, in particular to a method for rapid construction of an ecological oyster reef. Background technique [0002] Oyster reefs are an important component of the marine ecosystem in the estuary area, which can limit the bloom of planktonic algae and the process of water eutrophication, provide refuge, feeding or breeding places for many important economic animals, and have important fishery value. In addition, oyster reefs have important functions in purifying water bodies, green governance, providing habitats, promoting fishery production, and enriching biodiversity. Its role is comparable to that of coral reefs in tropical areas. More than 85% of the world's oyster reefs have been lost in recent centuries due to overharvesting, pollution and climate change. Since the mid-20th century, oyster reef reconstruction projects have been carried out in Maryland, Virginia, and Australia. In rece...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/75A01K61/70A01K61/54
CPCA01K61/54A01K61/70A01K61/75Y02A40/81
Inventor 丛日浩王威李莉张国范阙华勇
Owner INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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