Wild harvesting method of Zostera marina L. seeds

A harvesting method and a technology for the algae, which are applied in the field of field harvesting of kelp seeds, can solve the problems of high energy consumption, complicated production methods, not economical and practical, and achieve simple, low-cost and low-cost production. Effect

Inactive Publication Date: 2014-11-05
山东大学(威海)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This device requires a special cultivation device, consumes a lot of energy, and is not economical and practical.
The invention of "a device for collecting eel algae seeds" ha

Method used

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  • Wild harvesting method of Zostera marina L. seeds
  • Wild harvesting method of Zostera marina L. seeds

Examples

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Embodiment 1

[0019] Example 1: The method for harvesting eel algae seeds in Shuangdao Bay, Weihai City, Shandong Province, the specific steps are:

[0020] (1) Determination of the seed harvest time: In the waters of Shuangdao Bay, Weihai, Shandong, the maturity of the flower branches in the sea area where the eelgrass grows was observed every other week from the beginning of July. When the first spathe inflorescences on the side branches of most flower branches When the peel on the top of the fruit cracks, the base of the corresponding flower branch begins to lose green and rot at this time, and the harvest can be started;

[0021] (2) Flower branch collection: The flower branches are harvested at low tide. Since the base of the flower branch stems has begun to rot, it is easy to pull up the whole flower branch manually, and immediately put the collected flower branches into the silk mesh bag. The net bag is sewn with nylon thread, and the stitches are relatively fine (5mm). When sewing...

Embodiment 2

[0028] Example 2: The method for harvesting eel algae seeds from Zhangzidao, Dalian, Liaoning, the specific steps are:

[0029] (1) Determination of the seed harvest time: In the waters of Zhangzidao, Dalian, the maturity of the flower branches in the sea area where the eelgrass grows was observed every other week from mid-August. When the first spathe inflorescence on the side branches of most flower branches When the peel of the fruit is cracked, the base of the corresponding flower branch begins to lose green and rot, and the harvest can begin;

[0030] (2) Flower branch collection: The flower branches are harvested at low tide. Since the base of the flower branch stems has begun to rot, it is easy to pull up the whole flower branch manually, and immediately put the collected flower branches into the silk mesh bag. The net bag is sewn with nylon thread, and the stitches are relatively fine (5mm). When sewing, fold the yarn edge twice and sew it in to prevent damage to the...

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Abstract

The invention relates to a wild harvesting method of Zostera marina L. seeds. The method comprises the following steps: at a low-tide stage when peels on first spathe inflorescences of most flower lateral branches are initially cracked, harvesting flowering branches, putting the harvested flowering branches into 20-mesh bolting silk string bags till each string bag is filled by a half, tightening the mouths of the string bags, connecting the plurality of string bags together, and locally putting the connected string bags back into sea water; 15 days later, taking the string bags out and cleaning substances attached to the surfaces of the string bags; about 30 days later, taking the string bags out, locally pouring the flowering branches in the string bags into a plastic water bucket, adding sea water, stirring vigorously, and picking out residual flowering branches on an upper layer after seeds fall to the bottom of the bucket; adding sea water repeatedly, stirring, and pouring out immature seeds floating on the upper layer; and filtering large shellfishes out by using a 10-mesh mesh sieve in sea water, filtering small shellfishes and residues out by using a 30-mesh mesh sieve, and selecting plump Zostera marina L. seeds. By using the wild harvesting method, a high seed harvesting rate is ensured under the condition of low cost, and damages to populations caused by harvesting of the flowering branches are reduced to the maximum extent. The wild harvesting method can be applied to any Zostera marina L. growing sea area.

Description

technical field [0001] The invention belongs to the field of seaweed seed harvesting, and relates to a field harvesting method of eelgrass seeds. Background technique [0002] Eelweed ( Zostera marina L.) is a marine seed plant that was once widely distributed along the coasts of Shandong, Hebei and Liaoning in my country. However, nearly 80% of the populations of Zeraria spp. in my country have degraded in the past two decades. Therefore, in recent years, the restoration of its population and its ecosystem has been initiated in my country. upsurge. Harvesting seeds and planting them in rehabilitated marine areas is gaining popularity because mass adult transplantation can cause significant damage to already scarce eelgrass provenances. Therefore, efficient harvesting of eelgrass seeds will be the foundational work of this restoration method. [0003] The eelgrass in the sea areas of Shandong, Hebei and Liaoning generally enters the seed maturity stage in July and August. ...

Claims

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Application Information

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IPC IPC(8): A01D91/00
Inventor 郑凤英李乐乐刘雪芹陈玉金艳梅张伟韩晓弟
Owner 山东大学(威海)
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