CN104488788A - Method for increasing supply quantities of baits for natural shellfishes in aquaculture areas on open seas - Google Patents
Method for increasing supply quantities of baits for natural shellfishes in aquaculture areas on open seas Download PDFInfo
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- CN104488788A CN104488788A CN201410796940.6A CN201410796940A CN104488788A CN 104488788 A CN104488788 A CN 104488788A CN 201410796940 A CN201410796940 A CN 201410796940A CN 104488788 A CN104488788 A CN 104488788A
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/12—Unicellular algae; Culture media therefor
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G33/00—Cultivation of seaweed or algae
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Marine Sciences & Fisheries (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a method for increasing the supply quantities of baits for natural shellfishes in aquaculture areas on open seas. The method includes a preparation step 1, filling nutrient salt supply machines of micro-algae generator devices with algae nutrient salt containing N and P; an arranging step 2, arranging the micro-algae generator devices processed in the step 1 at upstream positions of to-be-tested sea areas; an adding step 3, regularly checking the nutrient salt supply machines of the micro-algae generator devices arranged in the step 2, and adding algae nutrient salt to the nutrient salt supply machines as needed. The method has the advantages that growth of internal micro-alga can be promoted by low-flow-rate and high-nutrient-salt environments inside the micro-algae generator devices, the internal micro-alga can be continuously scattered into the release sea areas, and accordingly the purpose of controlling the micro-alga can be achieved; the method is convenient to implement, the quantities of the specific local micro-alga in the sea areas can be quickly and effectively increased, and the ecology of the sea areas can be effectively controlled.
Description
Technical field
The present invention relates to a kind of sea area Algal Ecology regulate and control method, particularly relate to the method improving off-lying sea culturing area natural shellfish bait supply.
Background technology
Mariculture is the important fishing agricultural production industry of China, and for people provide important healthy dietary protein origin, at present, shellfish culture accounts for critical role in China's mariculture general structure.Because shellfish culture mainly relies on the micro-algae resource in natural waters to provide bait, therefore, in sea area, micro-algae output directly affects the production efficiency of cultivated shellfish.In the open cultivation of tradition shellfish, seldom carry out micro-algae and manually cultivate to fill shellfish bait, this just cannot ensure shellfish culture productivity effect.Adapt to the concrete hydrologic regime of the open aquaculture sea area of shellfish if had, there is micro-algae generator of good production capacity, so at culturing area effective supply shellfish bait, its productivity effect will be improved.
Summary of the invention
The object of the invention is to provide a kind of for prior art and implement facility, can effectively improve fast the method for raising off-lying sea culturing area natural shellfish bait supply of the specific micro-algae quantity in local, sea area, Effective Regulation sea area ecology.
The present invention solves the problems of the technologies described above adopted technical scheme: the method improving off-lying sea culturing area natural shellfish bait supply, has following steps:
1. preparation process: by the algae nutritive salt of filling containing N, P in the nutritive salt supply of micro-algae generating apparatus;
2. setting steps: the micro-algae generating apparatus after 1. processing through step is arranged on the upstream position waiting to try sea area;
3. add step: make regular check on the nutritive salt supply that 2. the micro-algae generating apparatus laid is set through step, add algae nutritive salt as required.The environment of the inner low flow velocity of micro-algae generating apparatus, high nutritive salt can promote inner micro algae growth, and continues to be distributed to input sea area, reaches the object of regulation and control.
For optimizing technique scheme, the measure taked also comprises: micro-algae generating apparatus comprises the transparent incubator housing that side has inlet opening; Incubator housing has apopore relative to the side surface upper part of inlet opening; Incubator housing is provided with directed rudder near the bottom surface of apopore side; Incubator housing is provided with mark float; Near inlet opening, nutritive salt supply is provided with in incubator housing.Through overnutrition salt supply after current flow into from the inlet opening of incubator housing, in conjunction with nutritive salt supply, the current slowly flowed across can keep the continuation of the circulation of incubator maritime interior waters and micro-algae to discharge.Mark float can keep incubator to be positioned at seawater surface position, ensures that having sufficient sunlight in incubator enters.Nutritive salt supply, by nutritive salt sustained release fashion such as N, P, keeps the debita spissitudo of nutritive salt in incubator, improves micro algae growth efficiency.Directed rudder is arranged along the symmetry axis of inlet opening and apopore.Directed rudder can make whole incubator shell space position comparatively stable, and inlet opening faces water (flow) direction, is conducive to generation and the distribution of micro-algae.Apopore is provided with spiral cover.The use of spiral cover, can adjust effective apopore quantity according to working condition, is convenient to the current in incubator housing and micro-algae distribution speed.Incubator case top offers capable of opening and closing gathering hole near nutritive salt supply.Nutritive salt supply includes nutritious salt.The micro-algae generating apparatus of the open aquaculture sea area of shellfish is made up of assemblies such as marking float, incubator, nutritive salt supply, gathering hole, inlet opening, apopore, directed rudder.Mark float has rope with incubator upper surface center place and is connected, and can be fixed on cultivation rope, and design the mark float of different size according to hydrologic regimes such as investigated marine site current, float can select foam ball float, more than buoyancy 50kg.Incubator is generally cylindrical, and in flat, cylinder height is generally no more than 2m, and upper and lower rounded bottom surface diameter is not less than height 1.5 times; Incubator material therefor has good corrosion resistance, non-deformability and light transmission, and the different plastic material such as polyethylene, polyvinyl chloride and ternary polymerization plastics can be adopted to make; Incubator upper surface leaves gathering hole, and bore is not less than 15cm, and is provided with the locking devices such as screw thread spiral cover; The mouth hanging of fixing nutritive salt supply is installed near inside gathering hole; Incubator side and gathering hole same lateral position, arrange inlet opening, and aperture can be carried out adjustment according to marine site hydrological characteristics and be arranged, but general distance incubator top one, inlet opening segment distance, fluctuate to prevent wave and cause air to flow into from inlet opening; Incubator side and inlet opening symmetric position leave apopore, apopore can design multiple and be provided with screw thread spiral cover, to open the apopore of some according to actual needs, apopore same distance incubator top one segment distance, fluctuates to prevent wave and causes air to flow into from apopore; Be provided with directed rudder with apopore homonymy direction bottom incubator, be generally laminated structure, detachable installation operates so that incubator is carried.Embodiment is that the open aquaculture sea area of the shellfish micro-algae generating apparatus made for 2014 is a set of, and design parameter is: adopt the PE material of thickness 4mm to make the incubator one of upper and lower diameter 150m, high 60cm; What top left that rope fixes buckles one, one, 20cm aperture operation mouth, the gathering hole center of circle install to 10cm place, position be used for fixing nutritive salt supply buckle one; Incubator side gathering hole is equidirectional leaves one, the inlet opening that aperture is 8cm, apart from incubator top 20cm; Incubator lateral inflow hole symmetry direction leaves 3cm aperture apopore 3, and is threaded spiral cover, apart from incubator top 20cm; Bottom incubator, apopore direction is provided with directed rudder and fixes buckle, installs the directed rudder of isosceles right triangle that the right angle length of side is 40cm, is fixed on bottom incubator by Fig. 1 mode; Bottom incubator, center is provided with one piece of 5kg plummet.Micro-algae generating apparatus is invested in 20m depth of water clear water marine site, Zhoushan, during input, is full of seawater by incubator; All accessories are installed and be fixed on cultivation rope after, opening operation mouth, puts into marine chlorella algae kind and nutritive salt supply; Observe micro algae growth situation in incubator two days later, and open an apopore; Open three apopores after one week and safeguard that nutritive salt supply is to keep nutritive salt supply.In this test operation, this micro-algae generator successful, has good practicality.Nutritive salt supply is preferably laid with the container of the band micropore of sponge, foster salt block of inside anchoring a tent.
Owing to present invention employs 1. preparation process: by the algae nutritive salt of filling containing N, P in the nutritive salt supply of micro-algae generating apparatus;
2. setting steps: the micro-algae generating apparatus after 1. processing through step is arranged on the upstream position waiting to try sea area;
3. add step: make regular check on the nutritive salt supply that 2. the micro-algae generating apparatus laid is set through step, add algae nutritive salt as required.The environment of the inner low flow velocity of micro-algae generating apparatus, high nutritive salt can promote inner micro algae growth, and continues to be distributed to input sea area, reaches the object of regulation and control.Thus the present invention has the advantage implemented facility, effectively can improve the specific micro-algae quantity in local, sea area, Effective Regulation sea area ecology fast.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention flow chart;
Fig. 2 is embodiment of the present invention structural representation.
Embodiment
Below in conjunction with attached embodiment, the present invention is described in further detail.
Drawing reference numeral illustrates: mark float 1, incubator 2, nutritive salt supply 3, gathering hole 4, inlet opening 5, apopore 6, directed rudder 7.
Embodiment: referring to figs. 1 through Fig. 2, improves the method for off-lying sea culturing area natural shellfish bait supply, comprises, wherein: 1. preparation process: by the algae nutritive salt of filling containing N, P in the nutritive salt supply 3 of micro-algae generating apparatus;
2. setting steps: the micro-algae generating apparatus after 1. processing through step is arranged on the upstream position waiting to try sea area;
3. add step: make regular check on the nutritive salt supply 3 that 2. the micro-algae generating apparatus laid is set through step, add algae nutritive salt as required.The environment of the inner low flow velocity of micro-algae generating apparatus, high nutritive salt can promote inner micro algae growth, and continues to be distributed to input sea area, reaches the object of regulation and control.Micro-algae generating apparatus comprises the transparent incubator housing that side has inlet opening 5; Incubator housing has apopore 6 relative to the side surface upper part of inlet opening 5; Incubator housing is provided with directed rudder 7 near the bottom surface of apopore 6 side; Incubator housing is provided with mark float 1; Near inlet opening 5, nutritive salt supply 3 is provided with in incubator housing.Through overnutrition salt supply 3 after current flow into from the inlet opening 5 of incubator housing, in conjunction with nutritive salt supply 3, the current slowly flowed across can keep the continuation of the circulation of incubator maritime interior waters and micro-algae to discharge.Mark float 1 can keep incubator to be positioned at seawater surface position, ensures that having sufficient sunlight in incubator enters.Nutritive salt supply 3, by nutritive salt sustained release fashion such as N, P, keeps the debita spissitudo of nutritive salt in incubator, improves micro algae growth efficiency.Directed rudder 7 is arranged along the symmetry axis of inlet opening 5 and apopore 6.Directed rudder 7 can make whole incubator shell space position comparatively stable, and inlet opening 5 faces water (flow) direction, is conducive to generation and the distribution of micro-algae.Apopore 6 is provided with spiral cover.The use of spiral cover, can adjust effective apopore 6 quantity according to working condition, is convenient to the current in incubator housing and micro-algae distribution speed.Incubator case top offers capable of opening and closing gathering hole 4 near nutritive salt supply 3.Nutritive salt supply 3 includes nutritious salt.The open aquaculture sea area of shellfish micro-algae generating apparatus is made up of assemblies such as marking float 1, incubator 2, nutritive salt supply 3, gathering hole 4, inlet opening 5, apopore 6, directed rudder 7.Mark float has rope with incubator upper surface center place and is connected, and can be fixed on cultivation rope, and design the mark float of different size according to hydrologic regimes such as investigated marine site current, float can select foam ball float, more than buoyancy 50kg.Incubator is generally cylindrical, and in flat, cylinder height is generally no more than 2m, and upper and lower rounded bottom surface diameter is not less than height 1.5 times; Incubator material therefor has good corrosion resistance, non-deformability and light transmission, and the different plastic material such as polythene PE, polyvinylchloride and ternary polymerization plastics ABS can be adopted to make; Incubator upper surface leaves gathering hole, and bore is not less than 15cm, and is provided with the locking devices such as screw thread spiral cover; The mouth hanging of fixing nutritive salt supply is installed near inside gathering hole; Incubator side and gathering hole same lateral position, arrange inlet opening, and aperture can be carried out adjustment according to marine site hydrological characteristics and be arranged, but general distance incubator top one, inlet opening segment distance, fluctuate to prevent wave and cause air to flow into from inlet opening; Incubator side and inlet opening symmetric position leave apopore, apopore can design multiple and be provided with screw thread spiral cover, to open the apopore of some according to actual needs, apopore same distance incubator top one segment distance, fluctuates to prevent wave and causes air to flow into from apopore; Be provided with directed rudder with apopore homonymy direction bottom incubator, be generally laminated structure, detachable installation operates so that incubator is carried.Embodiment is that the open aquaculture sea area of the shellfish micro-algae generating apparatus made for 2014 is a set of, and design parameter is: adopt the PE material of thickness 4mm to make the incubator one of upper and lower diameter 150m, high 60cm; What top left that rope fixes buckles one, one, 20cm aperture operation mouth distance top perimeter 15cm, the gathering hole center of circle install to 10cm place, position be used for fixing nutritive salt supply buckle one; Incubator side gathering hole is equidirectional leaves one, the inlet opening that aperture is 8cm, apart from incubator top 20cm; Incubator lateral inflow hole symmetry direction leaves 3cm aperture apopore 3, and is threaded spiral cover, apart from incubator top 20cm; Bottom incubator, apopore direction is provided with directed rudder and fixes buckle, installs the directed rudder of isosceles right triangle that the right angle length of side is 40cm, is fixed on bottom incubator by Fig. 1 mode; Bottom incubator, center is provided with one piece of 5kg plummet.Micro-algae generating apparatus is invested in 20m depth of water clear water marine site, Zhoushan, during input, is full of seawater by incubator; All accessories are installed and be fixed on cultivation rope after, opening operation mouth, puts into marine chlorella algae kind and nutritive salt supply; Observe micro algae growth situation in incubator two days later, and open an apopore; Open three apopores after one week and safeguard that nutritive salt supply is to keep nutritive salt supply.In this test operation, this micro-algae generator successful, has good practicality.Nutritive salt supply is preferably laid with the container of the band micropore of sponge, foster salt block of inside anchoring a tent.
Although describe the present invention in conjunction with preferred embodiment; so itself and be not used to limit the present invention; any those skilled in the art; without departing from the spirit and scope of the present invention; can implement various change, the displacement of coordinate and amendment here to the theme listed, therefore protection scope of the present invention be as the criterion when the scope limited depending on proposed claim.
Claims (6)
1. improve the method for off-lying sea culturing area natural shellfish bait supply, it is characterized in that: 1. preparation process: by the algae nutritive salt of filling containing N, P in the nutritive salt supply (3) of micro-algae generating apparatus;
2. setting steps: the micro-algae generating apparatus after 1. processing through step is arranged on the upstream position waiting to try sea area;
3. add step: make regular check on the nutritive salt supply (3) that 2. the micro-algae generating apparatus laid is set through step, add algae nutritive salt as required.
2. the method for raising off-lying sea culturing area according to claim 1 natural shellfish bait supply, is characterized in that: described micro-algae generating apparatus comprises the transparent incubator housing that side has inlet opening (5); Described incubator housing has apopore (6) relative to the side surface upper part of described inlet opening (5); Described incubator housing is provided with directed rudder (7) near the bottom surface of described apopore (6) side; Described incubator housing is provided with mark float (1); Near described inlet opening (5), nutritive salt supply (3) is provided with in described incubator housing.
3. the method for raising off-lying sea culturing area according to claim 2 natural shellfish bait supply, is characterized in that: described directed rudder (7) is arranged along the symmetry axis of described inlet opening (5) and apopore (6).
4. the method for raising off-lying sea culturing area according to claim 2 natural shellfish bait supply, is characterized in that: described apopore (6) is provided with spiral cover.
5. the method for raising off-lying sea culturing area according to claim 2 natural shellfish bait supply, is characterized in that: described incubator case top offers capable of opening and closing gathering hole (4) near described nutritive salt supply (3).
6. the method for raising off-lying sea culturing area according to claim 2 natural shellfish bait supply, is characterized in that: described nutritive salt supply (3) includes nutritious salt.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410796940.6A CN104488788A (en) | 2014-12-22 | 2014-12-22 | Method for increasing supply quantities of baits for natural shellfishes in aquaculture areas on open seas |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410796940.6A CN104488788A (en) | 2014-12-22 | 2014-12-22 | Method for increasing supply quantities of baits for natural shellfishes in aquaculture areas on open seas |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108925475A (en) * | 2017-05-27 | 2018-12-04 | 苑春亭 | In the bivalve raft cultivation method of remote bank sea area autumn supply biological feed |
| CN110499245A (en) * | 2019-08-08 | 2019-11-26 | 浙江万里学院 | A kind of shellfish culture pond is spread cultivation system and its application method in situ with microalgae |
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| CN101363004A (en) * | 2008-09-04 | 2009-02-11 | 中国水产科学研究院南海水产研究所 | Method for constructing algal phase in prawn culturing pool |
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| CN102960269A (en) * | 2012-10-31 | 2013-03-13 | 象山红升水产养殖有限公司 | Method for cultivating shellfish offspring seeds by culture water |
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| CN204022814U (en) * | 2014-08-05 | 2014-12-17 | 中国水产科学研究院南海水产研究所 | A kind of full-automatic algatron |
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2014
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1831105A (en) * | 2006-03-21 | 2006-09-13 | 中盐制盐工程技术研究院 | Method for culturing 'Yuanshizao' alga in large scale outdoor, and its processing method |
| CN101363004A (en) * | 2008-09-04 | 2009-02-11 | 中国水产科学研究院南海水产研究所 | Method for constructing algal phase in prawn culturing pool |
| CN202143383U (en) * | 2011-07-11 | 2012-02-15 | 重庆大学 | In-situ cultivation barrel for phytoplankton |
| CN102960269A (en) * | 2012-10-31 | 2013-03-13 | 象山红升水产养殖有限公司 | Method for cultivating shellfish offspring seeds by culture water |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108925475A (en) * | 2017-05-27 | 2018-12-04 | 苑春亭 | In the bivalve raft cultivation method of remote bank sea area autumn supply biological feed |
| CN108925475B (en) * | 2017-05-27 | 2020-11-06 | 苑春亭 | Raft type shellfish culture method for supplying biological bait in autumn of offshore area |
| CN110499245A (en) * | 2019-08-08 | 2019-11-26 | 浙江万里学院 | A kind of shellfish culture pond is spread cultivation system and its application method in situ with microalgae |
| CN110499245B (en) * | 2019-08-08 | 2023-06-23 | 浙江万里学院 | Microalgae in-situ expansion culture system for shellfish culture pond and use method thereof |
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Application publication date: 20150408 |