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Eelgrass sowing proliferation method

A technology for eel grass and seeds is applied in the field of eel grass sowing and multiplication, which can solve the problems of low seed retention rate and the like, and achieve the effects of improving the retention rate, improving the utilization rate, and promoting propagation.

Active Publication Date: 2016-04-20
OCEAN UNIV OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The multiplication method provided by the invention includes seed protection measures and a sowing method during sowing and multiplication, which can not only ensure a substantial increase in the retention rate of sowing eelgrass seeds, but also significantly improve the germination and plant growth effects of eelgrass seeds, and can overcome the existing seaweed The problem of low seed retention rate in the method of sowing and multiplying seeds in natural sea areas

Method used

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Examples

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preparation example Construction

[0031] In the present invention, the preparation method of mud block preferably comprises the following steps:

[0032] Mix soil, fine sand and water to obtain mud;

[0033] Put the mud in the mold, and spread the eelgrass seeds on the surface of the mud;

[0034] Then cover the surface of the mud material after the eelgrass seeds are sown, and compact it to obtain a mud block.

[0035] Before the application mixes the soil and fine sand with water, the soil and fine sand are sieved, so that the particle size of the obtained soil and fine sand is consistent with that described in the above-mentioned technical solution; in an embodiment of the present invention, To sieve soil and fine sand, use standard sieves with different meshes;

[0036] After obtaining the mud, the present invention puts the mud into the mold. In the present invention, the material of the mold is preferably PVC material; the present invention has no special requirements on the shape of the mold, and tho...

Embodiment 1

[0050] The production method of the seeding unit is as follows: figure 1 As shown, among them, the soil with particle size less than 63 μm and fine sand with particle size between 63 μm and 250 μm (such as figure 1 ~a), earth and fine sand are mixed according to the composition ratio of 3:1 by weight, then the mixture of earth and fine sand and water are mixed according to the ratio of 5:1, stir evenly, make it be the mud mass (such as figure 1 -b), followed by making a high 3cm, a PVC pipe sleeve with a diameter of 7cm as a mold (such as figure 1 -c), the prepared mud material is packed into the mould, compacted, and the thickness is 2cm, and then 20 eelgrass seeds are evenly spread on the mud surface (such as figure 1 ~d), and then put the prepared mud into it, compact it, with a thickness of 1cm (such as figure 1 -e), finally the mold is removed, and the formed mud block is placed in the air for 2d to form a sowing unit;

[0051] When sowing and proliferating eelgrass, s...

Embodiment 2

[0054] The production method of the seeding unit: use standard sieves with different meshes to take soil with a particle size of less than 63 μm and fine sand with a particle size between 63 μm and 250 μm, mix the soil and fine sand according to the composition ratio of 5:1 by weight, and then Mix the mixture of soil and fine sand with water in a ratio of 4.5:1, stir evenly to make it into a mud ball, then make a PVC pipe sleeve with a height of 3cm and a diameter of 7cm as a mold, and put the prepared mud into the mold , compacted to a thickness of 2.4cm, and then 10 grains of eelgrass seeds were evenly spread on the surface of the mud, and then filled with the prepared mud, compacted to a thickness of 0.6cm, and finally the mold was removed, and the formed mud was in the air Place 2d in it to form a seeding unit;

[0055] When sowing and proliferating eelgrass, select a subtidal sedimentary substrate with an average water depth of no more than 1m at low tide for sowing and p...

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Abstract

The invention relates to an eelgrass sowing proliferation method, and belongs to the technical field of marine resource repairing. The method comprises the steps that eelgrass seeds are put into clods, the clods form sowing units after being placed in air, and the height of the clods is not larger than 3 cm; the eelgrass seeds are sown into a subtidal zone silt substrate sowing proliferation water area by taking the sowing units as units to cover a substrate, and in the sowing proliferation water area of the eelgrass seeds, the sowing depth from the silt substrate in the sowing water area to the sea surface is not larger than 1 m at low tide. According to the sowing proliferation method, the retention rate of the eelgrass seeds is significantly increased, the average germination rate and the average seedling tree establishment rate are both increased, and the problems of seaweed proliferation and damaged seaweed bed recovery can be effectively solved.

Description

technical field [0001] The invention relates to the technical field of marine resource restoration, and in particular designs a method for sowing and multiplying eelgrass. Background technique [0002] Seagrass is a marine monocotyledonous higher plant adapted to life in the marine environment. It can be cloned asexually through rhizomes, and can also produce seeds for sexual reproduction. Seagrass beds are one of the three typical offshore ecosystems. They have important ecological functions and economic value. They can not only provide food and diverse habitats for many marine organisms, but also capture sediments, stabilize bottom mud, prevent wind and strengthen dikes, and purify water bodies. , nutrient cycling, carbon sequestration and other aspects play a vital role, and are often used as biological indicators of water quality and ecosystem health. [0003] Almost all seagrass beds worldwide are in constant decline due to changes in the natural environment and human ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G33/00
CPCA01G33/00Y02A40/80
Inventor 张沛东赵建生刘燕山王喜涛张秀梅李文涛
Owner OCEAN UNIV OF CHINA
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