CN103004576A - Method for artificially cultivating Sargassum thunbergii in intertidal zones - Google Patents
Method for artificially cultivating Sargassum thunbergii in intertidal zones Download PDFInfo
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- CN103004576A CN103004576A CN2012105568587A CN201210556858A CN103004576A CN 103004576 A CN103004576 A CN 103004576A CN 2012105568587 A CN2012105568587 A CN 2012105568587A CN 201210556858 A CN201210556858 A CN 201210556858A CN 103004576 A CN103004576 A CN 103004576A
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Abstract
The invention relates to a method for artificially cultivating Sargassum thunbergii in intertidal zones. According to the method, fertilized eggs are artificially collected from a seedling collection pool and are attached to appropriate attaching matrixes, Sargassum thunbergii seedlings are fixedly arranged on appropriate cultivating regions of the intertidal zones together with the attached matrixes after the seedlings are cultured to be more than 2 mm in length, and thus, the Sargassum thunbergii is artificially cultivated in the intertidal zones. According to the method provided by the invention, a wild living environment for the Sargassum thunbergii is simulated through the attaching matrixes, and the attaching force of the seedlings is increased through a low-temperature freezing manner; and the space of the attaching matrixes can be fully utilized, so that the Sargassum thunbergii cultured yield in a unit area is increased.
Description
Technical field
The present invention relates to a kind of cultivation method of sargassum thunbergii, relate in particular to the tame method in a kind of sargassum thunbergii intertidal zone.
Background technology
Sargassum thunbergii (Sargassum thunbergii) is large-scale economical alga, belongs to Phaeophyta, dumpling made of glutinous rice flour guiding principle, Fucales, Sargassaceae, Sargassum, is the common wild species of China coast.Sargassum thunbergii is wider in China's distribution, and North gets Liaodong Peninsula, reaching the Lezhou Peninsula in the south all has distribution, and its trace spreads all over the provinces such as Liaoning, Shandong, Jiangsu, Zhejiang, Fujian, Guangdong.Along with going deep into its research in recent years, some important function of sargassum thunbergii are found gradually: except occupying in marine ecosystems the critical role, also have many developable potentiality in the industries such as medicine, health care, aquaculture and chemical industry, the sargassum thunbergii Study on Seedling Cultivation Technique has become the focus of attention of researcher at present.
At present, China coast various places scholar has carried out a large amount of research in sargassum thunbergii artificial breeding field, and Wang Fei waits so long and substantially found out the reproductive habit of sargassum thunbergii, and they have carried out the Sargassum thunbergii offspring culture experiment on this basis; Zhan Dongmei etc. have studied the condition of culture in sargassum thunbergii reproduction and the artificial breeding; Zhang Zeyus etc. have been studied the sargassum thunbergii artificial breeding technique that shell is done matrix; The kind algae that Li Meizhen etc. utilize Zhejiang to propagate sargassum thunbergii and Shandong artificial ripening artificially has carried out northern sea area Sargassum thunbergii large size seedling seed and has bred in advance research, successfully cultivate more than 3,000 ten thousand strain sargassum thunbergii large size seedling seeds (more than the 4cm), but the research aspect the artificial cultivation of sargassum thunbergii is less.
Mostly be raft culture before the artificial cultivation type order of sargassum thunbergii, (2006) such as former forever parties utilize the major branch split to carry out the mode of vegetative reproduction, have carried out sargassum thunbergii split raft culture test; Zou Ji newly waits (2005) to adopt to grow in the seedling that grows on the nature reef and carries out raft culture, can obtain the output of per mu yield 1680kg.The raft culture pattern of sea-tangle is used for reference in the experience explanation of actual production, can realize the cultivation of sargassum thunbergii.But the culturing time of sargassum thunbergii concentrates on spring and early summer, with the large-scale farming time conflict of sea-tangle; The nutritional need of sargassum thunbergii and tang seemingly are in close ecological niche; Utilize the raft culture pattern to carry out the sargassum thunbergii cultivation, current production rate is lower, and cost is higher, is difficult to realize preferably economic benefit.
Summary of the invention
The purpose of this invention is to provide the tame method in a kind of sargassum thunbergii intertidal zone, can solve the problem that prior art means cost is high, benefit is low, realize the large-scale farming in sargassum thunbergii suitable foster district in the intertidal zone, both protected existing resource, enlarged again scale.
Method of the present invention, be in the pond of collecting seedling, to gather fertilized egg by artificial, it is attached on the suitable attaching substratum, grow seedlings after more than the 2mm, again the sargassum thunbergii seedling is fixed in the suitable district of supporting, intertidal zone together with attaching substratum, realizes that sargassum thunbergii is at the artificial cultivation of intertidal zone.
Method of the present invention comprises following step:
1) attaching substratum is made and preliminary treatment: make the attaching substratum of pie with concrete, be accompanied by scallop shell or be accompanied by sand on the surface of attaching substratum and form exasperate; With the attaching substratum sea water immersion, then finish preliminary treatment with freshwater soaking;
2) seedling culture: the attaching substratum of handling well is laid in the pond of collecting seedling, with the fertilized egg that artificially collects, splashes on attaching substratum, flowing water was cultivated after hydrostatic was collected seedling 2 days; Reach the artificial cultivation that carries out the intertidal zone more than the 2mm when seedling;
3) attaching substratum is fixed: the attaching substratum that will adhere to seedling is transported to mariculture area, be fixed on the cay of intertidal zone, and after the 20-30min, the seawater 3 times of splashing, every minor tick 5min;
4) Mesolittoral zone culturing: adhere to the attaching substratum of seedling and cultivate after fixing and the gathering of sargassum thunbergii.
Wherein will adhere to the adherance of seedling and at first after 4 degree are placed 1-3 days, transport to again mariculture area.
Method of the present invention is imitated the outdoor life environment of sargassum thunbergii by attaching substratum, and, improved the adhesive force of seedling by the cryogenic freezing mode.Can utilize fully the space of attaching substratum, improve the cultured output of sargassum thunbergii in the unit are.
Embodiment
Come method of the present invention is described in detail below in conjunction with embodiment.
1) attaching substratum is made and preliminary treatment: make the attaching substratum of pie or other shape with concrete, be accompanied by scallop shell or be accompanied by sand on the surface of attaching substratum and form coarse surface; With the attaching substratum sea water immersion, then finish preliminary treatment with freshwater soaking; Wherein a kind of size of attaching substratum can be round pie, and diameter is 1m, thickness 5cm, and weight reduction is caved in the bottom surface.
2) sargassum thunbergii that gathers is planted vegetables in seawater, fully clean, remove assorted algae and other attachments of adhering on the sargassum thunbergii frond.Concentrate according to the male and female ratio 6:1 that plants vegetables, gather the fertilized egg of diffusing, fertilized egg adhere to density reach 30-40/visual field (10 * 10), can stop to collect seedling.
3) seedling culture: the attaching substratum of handling well is laid in the pond of collecting seedling, with the fertilized egg that artificially collects, splashes on attaching substratum, after hydrostatic was collected seedling 2 days attaching substratum is carried out flowing water and cultivate; Controlled light intensity is at 4000-15000lx, and N concentration is 4ppm in the maintenance cultivation water body, and P concentration is 0.4ppm; Reach the artificial cultivation that carries out the intertidal zone more than the 2mm when seedling; Wherein will adhere to the adherance of seedling and at first after 4 degree are placed 1-3 days, transport to again mariculture area, and can effectively improve the adhesive rate of seedling like this.
4) attaching substratum is fixed: the attaching substratum that will adhere to seedling is transported to mariculture area, be fixed on the cay of intertidal zone, and after the 20-30min, the seawater 3 times of splashing, every minor tick 5min;
5) Mesolittoral zone culturing: the cement that adheres to seedling cultivates after sticking together and fixing, and makes regular check on and clear up harmful organisms; The collecting time of sargassum thunbergii and wild sargassum thunbergii get final product the same period, keep base portion when gathering, and are beneficial to nourish and generate, and have namely gathered in the crops sargassum thunbergii, have realized again the increase of stock number.
Collect ripe sargassum thunbergii after 4 months in cultivation, the cultivation result shows that the mode by attaching substratum cultivates sargassum thunbergii, can improve 5-6%, the output of the unit's of effectively raising cultured area than the spatfall rate of existing method.And method of the present invention can take full advantage of the intertidal zone, and need not consider the restriction of landform to have good application value.
Claims (3)
1. tame method in sargassum thunbergii intertidal zone, it is characterized in that, described cultural method is by artificial collection fertilized egg in the pond of collecting seedling, it is attached on the suitable attaching substratum, grow seedlings after more than the 2mm, again the sargassum thunbergii seedling is fixed in the suitable district of supporting, intertidal zone together with attaching substratum, realizes that sargassum thunbergii is at the artificial cultivation of intertidal zone.
2. method claimed in claim 1 comprises following step:
1) attaching substratum is made and preliminary treatment: make the attaching substratum of pie with concrete, be accompanied by scallop shell or be accompanied by sand on the surface of attaching substratum and form exasperate; With the attaching substratum sea water immersion, then finish preliminary treatment with freshwater soaking;
2) seedling culture: the attaching substratum of handling well is laid in the pond of collecting seedling, with the fertilized egg that artificially collects, splashes on attaching substratum, flowing water was cultivated after hydrostatic was collected seedling 2 days; Reach the artificial cultivation that carries out the intertidal zone more than the 2mm when seedling;
3) attaching substratum is fixed: the attaching substratum that will adhere to seedling is transported to mariculture area, be fixed on the cay of intertidal zone, and after the 20-30min, the seawater 3 times of splashing, every minor tick 5min;
4) Mesolittoral zone culturing: adhere to the attaching substratum of seedling and cultivate after fixing and the gathering of sargassum thunbergii.
3. method as claimed in claim 2 is characterized in that described step 2) in, adhere to the adherance of seedling and at first after 4 degree are placed 1-3 days, transport to again mariculture area.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103444505A (en) * | 2013-09-05 | 2013-12-18 | 山东省海水养殖研究所 | Method for propagating sargassum thunbergii in intertidal zones |
| CN103688843A (en) * | 2013-12-12 | 2014-04-02 | 山东省海水养殖研究所 | Alternate culture method of sargassum thunbergii and kelp |
| CN103843653A (en) * | 2014-03-14 | 2014-06-11 | 曾建 | High-quality high-yield seedling culture method of undaria pinnatifida |
| CN104839006A (en) * | 2015-06-02 | 2015-08-19 | 山东省海洋生物研究院 | Cofferdam multiplication method of sargassum thunbergii |
| CN107750937A (en) * | 2017-10-24 | 2018-03-06 | 山东省海洋生物研究院 | A kind of attachment base suitable for Porphyra yezoensis conchocelis breeding prepares and its application method |
| CN113179937A (en) * | 2021-05-10 | 2021-07-30 | 深圳市蓝汀鼎执生物科技有限公司 | Method for constructing artificial bracken algae field near shore |
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| CN1736176A (en) * | 2005-09-01 | 2006-02-22 | 烟台大学 | Technique for producing sargassum thunbeergii kuntze offspring |
| CN101120649A (en) * | 2007-09-07 | 2008-02-13 | 山东省海水养殖研究所 | Sargassum thunbergii seed artificial ripening condition controlling method |
| CN101263780A (en) * | 2008-04-24 | 2008-09-17 | 山东省海水养殖研究所 | Northern sea area Sargassum thunbergii large size seedling seed breeding method ahead of time |
| CN201182123Y (en) * | 2008-03-20 | 2009-01-21 | 中国水产科学研究院黄海水产研究所 | Novel adhering substance for seedling cultivation of Sargassum thunbergii |
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| CN102524041A (en) * | 2012-03-21 | 2012-07-04 | 中国水产科学研究院黄海水产研究所 | Method for planting salvia officinalis in hardness adherance |
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Patent Citations (6)
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| CN1736176A (en) * | 2005-09-01 | 2006-02-22 | 烟台大学 | Technique for producing sargassum thunbeergii kuntze offspring |
| CN101120649A (en) * | 2007-09-07 | 2008-02-13 | 山东省海水养殖研究所 | Sargassum thunbergii seed artificial ripening condition controlling method |
| CN201182123Y (en) * | 2008-03-20 | 2009-01-21 | 中国水产科学研究院黄海水产研究所 | Novel adhering substance for seedling cultivation of Sargassum thunbergii |
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| CN102524041A (en) * | 2012-03-21 | 2012-07-04 | 中国水产科学研究院黄海水产研究所 | Method for planting salvia officinalis in hardness adherance |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103444505A (en) * | 2013-09-05 | 2013-12-18 | 山东省海水养殖研究所 | Method for propagating sargassum thunbergii in intertidal zones |
| CN103444505B (en) * | 2013-09-05 | 2015-12-02 | 山东省海水养殖研究所 | The method of a kind of sargassum thunbergii intertidal zone propagation |
| CN103688843A (en) * | 2013-12-12 | 2014-04-02 | 山东省海水养殖研究所 | Alternate culture method of sargassum thunbergii and kelp |
| CN103843653A (en) * | 2014-03-14 | 2014-06-11 | 曾建 | High-quality high-yield seedling culture method of undaria pinnatifida |
| CN104839006A (en) * | 2015-06-02 | 2015-08-19 | 山东省海洋生物研究院 | Cofferdam multiplication method of sargassum thunbergii |
| CN104839006B (en) * | 2015-06-02 | 2017-05-03 | 山东省海洋生物研究院 | Cofferdam multiplication method of sargassum thunbergii |
| CN107750937A (en) * | 2017-10-24 | 2018-03-06 | 山东省海洋生物研究院 | A kind of attachment base suitable for Porphyra yezoensis conchocelis breeding prepares and its application method |
| CN113179937A (en) * | 2021-05-10 | 2021-07-30 | 深圳市蓝汀鼎执生物科技有限公司 | Method for constructing artificial bracken algae field near shore |
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Application publication date: 20130403 |