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Moss prevention method for sea cucumber pond based on construction of alga floating bed

A seaweed and floating bed technology, applied in seaweed cultivation, botanical equipment and methods, climate change adaptation, etc., can solve the problems of low efficiency, long time, high drug residue concentration, etc., to improve the water quality environment, the method is simple, and the solution is prosperous Effect

Pending Publication Date: 2019-01-15
DALIAN MARITIME UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The former uses tools such as nails and rakes to salvage manually or mechanically. The efficiency is low and the cost of salvage is high; High residual concentration and long time will affect food safety

Method used

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  • Moss prevention method for sea cucumber pond based on construction of alga floating bed

Examples

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Comparison scheme
Effect test

Embodiment 1

[0020] The present example is based on building an Enteromorpha floating bed in a sea cucumber culture pond to suppress the flourishing of moss as a material, and further describes the present invention in detail.

[0021] 1. The substrate used in the floating bed is a vinylon net curtain commonly used in seaweed cultivation (the specification of the net curtain is 9 meters (length) * 1.8 meters (width)). See the inventor's authorized patent (ZL200910011689.7) for the seedling cultivation method. In the algae seedling cultivation room The time for raising seedlings is from mid-March to the end of March. Seedlings are visible to the naked eye on the net curtain (the seedlings grow to a height of 0.5mm), and the seedling nets are moved from the nursery room to the sea cucumber pool.

[0022] 2. Laying of seaweed floating beds in sea cucumber ponds: the laid sea cucumber reefs in sea cucumber ponds are 50 meters (length)*1 meters (width), refer to figure 1 , At the two ends of th...

Embodiment 2

[0025] This example is based on building Ulva floating beds in sea cucumber culture ponds to suppress the flourishing of moss as material, and further describes the present invention in detail.

[0026] 1. The substrate used in the floating bed is a vinylon net curtain commonly used in seaweed cultivation (the specification of the net curtain is 9 meters (length) * 1.8 meters (width)). See the inventor's authorized patent (ZL200910011689.7) for the seedling cultivation method. In the algae seedling cultivation room The time for raising seedlings is from mid-March to the end of March. Seedlings are visible to the naked eye on the net curtain (the seedlings grow to a height of 0.5mm), and the seedling nets are moved from the nursery room to the sea cucumber pool.

[0027] 2. Laying of seaweed floating beds in sea cucumber ponds: the laid sea cucumber reefs in sea cucumber ponds are 60 meters (length)*1 meters (width), refer to figure 1 , At the two ends of the sea cucumber reef ...

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Abstract

The invention discloses a moss prevention method for a sea cucumber pond based on a construction of alga floating bed. According to characteristics of the living history of moss in the pond, the algafloating bed with a vinylon net screen as a matrix and green alga in the ulva family is constructed in the surface layer of a water body of the sea cucumber pond in the larva phase of moss in the midmonth of March to the midmonth of April, a natural sunlight barrier layer is established with growth of alga, the intensity of incident light to the pond bottom is reduced, growth of moss is inhibited,and biological prevention against moss in the sea cucumber pond is realized.

Description

technical field [0001] The invention relates to a method of establishing a large-scale seaweed floating bed for moss biological control in sea cucumber culture ponds. Background technique [0002] Sea cucumber cultivation in ponds is a common sea cucumber cultivation model in coastal areas such as Hebei, Shandong, and Liaoning in my country. Due to the shallow water depth, high transparency and rich nutrition, moss and other algae flourish frequently in sea cucumber ponds. Too much moss, on the one hand, will bind the ginseng seedlings, causing sea cucumbers to swell and become hard, and on the other hand, cause the dissolved oxygen in the water to be oversaturated or the solubility is unstable, and the sea cucumbers are prone to air bubble disease. In addition, the moss rots during the summer high temperature period, It will destroy the water quality at the bottom of the pond and cause a serious threat to sea cucumber cultivation. Therefore, the moss problem is a major pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/30A01G33/00
CPCA01G33/00A01K61/30Y02A40/80
Inventor 巩宁邵魁双
Owner DALIAN MARITIME UNIVERSITY
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