CN104872023A - Device and method for double-harvest hanging cultivation of oysters by double-layer raft frames in open sea area - Google Patents
Device and method for double-harvest hanging cultivation of oysters by double-layer raft frames in open sea area Download PDFInfo
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- CN104872023A CN104872023A CN201510304420.3A CN201510304420A CN104872023A CN 104872023 A CN104872023 A CN 104872023A CN 201510304420 A CN201510304420 A CN 201510304420A CN 104872023 A CN104872023 A CN 104872023A
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- 241000237502 Ostreidae Species 0.000 title claims abstract description 67
- 235000020636 oyster Nutrition 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000003306 harvesting Methods 0.000 title abstract 2
- 241000548230 Crassostrea angulata Species 0.000 claims description 40
- 239000004575 stone Substances 0.000 claims description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
- 241001504664 Crossocheilus latius Species 0.000 claims description 20
- 241000209094 Oryza Species 0.000 claims description 15
- 235000007164 Oryza sativa Nutrition 0.000 claims description 15
- 235000009566 rice Nutrition 0.000 claims description 15
- 229910001651 emery Inorganic materials 0.000 claims description 12
- 239000010977 jade Substances 0.000 claims description 12
- 239000013535 sea water Substances 0.000 claims description 7
- 241000879952 Campostoma Species 0.000 claims description 6
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 7
- 238000009395 breeding Methods 0.000 description 7
- 230000001488 breeding effect Effects 0.000 description 7
- 230000001066 destructive effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000006260 foam Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 241000238586 Cirripedia Species 0.000 description 3
- 235000015170 shellfish Nutrition 0.000 description 3
- 239000003643 water by type Substances 0.000 description 3
- 235000013339 cereals Nutrition 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000032696 parturition Effects 0.000 description 2
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/50—Culture of aquatic animals of shellfish
- A01K61/54—Culture of aquatic animals of shellfish of bivalves, e.g. oysters or mussels
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention relates to a device and a method for double-harvest hanging cultivation of oysters by double-layer raft frames in an open sea area. The device comprises an upper raft frame, a lower raft frame and a plurality of first ropes. The upper raft frame comprises a plurality of first float balls and a plurality of first float lines, the first float lines are connected to form a frame structure, and the first float balls are connected to the first float lines. The lower raft frame comprises a plurality of second float lines connected to form a frame structure and is connected with the upper raft frame through the first ropes. The device provided with the upper raft frame and the lower raft frame is adopted in typhoon seasons from June to November, and the lower raft frame sinking into the sea has high capability of resisting stormy waves, so that probability that baby oysters are separated from adherance is decreased and loss of cultivators is reduced.
Description
Technical field
The present invention relates to a kind of device and method, particularly a kind of opening sea area double-deck raft frame two season hanging culture oyster device and method.
Background technology
China's major part waters, coastal area, stormy waves is large and the normal shallow sea water surface resource of typhoon that suffers is very wide, a small amount of tranquiler inner bay aquaculture is saturated, and opening up the breeding production of the high stormy waves shallow water along the coast, is the basic future problem that Fisheries Development must solve.Oyster culture adopts individual layer raft frame to carry out hanging culture usually.Existing individual layer raft frame hanging culture convenient management.But, the cultivation depth of water is generally leaning on inshore more shallow position, and when running into exceedingly odious weather, the impact that the raft frame on the water surface will be subject to stormy waves is acutely rocked, acutely rocking of raft frame will cause the spat of oyster to depart from adherance, thus causes damage to raiser.
Summary of the invention
The object of the invention is to provide the device and method of hanging culture oyster of a kind of opening sea area double-deck raft frame two season, weak to overcome the existing raft erection ability to fight a storm existed in prior art, easily causes the spat of oyster to depart from the problem of adherance.
The present invention adopts following technical scheme: a kind of opening sea area double-deck raft frame two season hanging culture oyster device, this device comprises upper strata raft frame, lower floor's raft frame and a plurality of the first ropes, this upper strata raft frame comprises a plurality of first ball float and a plurality of first buoyant ropes, these a plurality of the first buoyant rope connects into frame structure, this a plurality of first ball float is connected on described first buoyant rope, described lower floor raft frame comprises a plurality of the second buoyant ropes, these a plurality of the second buoyant rope connects into frame structure, is connected between described upper strata raft frame and described lower floor raft frame by the first rope described in a plurality of.
Preferably, the length of described first rope is 2-6 rice.
Preferably, described upper strata raft frame is also connected with a plurality of second ropes and sinks to a plurality of first stone stone rollers in seabed, and one end of described second rope is cut or polish jade with an emery wheel with described first stone and is connected, and the other end of described second rope is connected with described upper strata raft frame.
Preferably, described lower floor raft frame is also connected with a plurality of the 3rd ropes and sinks to a plurality of second stones stone rollers in seabed, and one end of described 3rd rope is cut or polish jade with an emery wheel with described second stone and is connected, and the other end of the 3rd rope is connected with described lower floor raft frame.
Opening sea area double-deck raft frame two season hanging culture oyster a method, the method comprises the following steps:
A. choosing the adherance for adhering to the spat of oyster, adopting messenger to wear the adherance being used for adhering to the spat of oyster and forming shell string;
B. described shell string is collected seedling, make each adherance is attached with the spat of oyster;
C. being the level of state by the described shell string being attached with the spat of oyster in the middle ten days in June is then connected on described lower floor raft frame;
D. being put into by described device by the seashore limit time of low water depth of water is the sea area of 5-20 rice, and described upper strata raft frame floats on sea, described lower floor raft frame submerged.
E. by described device pull-up, oyster is being gathered in the crops the last ten-days period in November then.
Preferably, during oyster culture, when the ball float of upper strata raft frame submerges in seawater completely, increase the number of ball float, upper strata raft frame is floated on sea.
Preferably, the method is also included in late December then and is the level of state by the shell string with the spat of oyster and is connected on an individual layer raft frame, and this individual layer raft frame comprises a plurality of second ball float and a plurality of the 3rd buoyant ropes; These a plurality of the 3rd buoyant rope connects into frame structure, and described second ball float is installed on described 3rd buoyant rope; Described individual layer raft frame is also connected with a plurality of the 4th ropes, a plurality of 3rd stone stone roller, and described 3rd stone stone roller sinks to seabed, and one end of described 4th rope is cut or polish jade with an emery wheel with described 3rd stone and is connected, and the framework that the other end and the 3rd buoyant rope of described 4th rope are formed is connected; Putting into described individual layer raft frame by the seashore limit time of low water depth of water is the sea area of 5-20 rice, and described individual layer raft frame floats on sea, in last ten-days period May next year by the pull-up of described individual layer raft frame, and results oysters.
Preferably, be Portuguese oyster the spat of oyster then accompanying by the middle ten days in June, the shell of this Portuguese oyster seedling is long is 0.6-1.4 centimetre.
Preferably, be Pacific oyster seedling the spat of oyster then accompanying by late December, the shell of this Pacific oyster seedling is long is 0.3-0.7 centimetre.
The above-mentioned description to structure of the present invention and method is known, compared to the prior art, tool of the present invention has the following advantages: one, the present invention adopts in the typhoon season in June-November the device being provided with upper strata raft frame and lower floor's raft frame, lower floor's raft frame sinks to marine, thus lower floor's raft frame is had stronger support capacity of anti-storm, thus reduce the probability that the spat of oyster departs from adherance, reduce the loss of raiser.Its two, it is in the sea area of 5-20 rice that device is rendered to by the seashore limit time of low water depth of water by the present invention, thus reduces the adhesion amount of barnacle shellfish, and spat of oyster growth is fast.Its three, the length that the present invention connects the first rope of upper strata raft frame and lower floor's raft frame is arranged to 2-6 rice, thus makes the destructive power of wave to the destructive power relative upper strata raft frame of lower floor's raft frame be reduced to below half.Its four, after apparatus design of the present invention becomes the structure of double-deck raft frame, strong to capacity of anti-storm, can typhoon season be resisted, thus make raiser can enter rows in two seasons cultivation, greatly improve the economic benefit of raiser.Its five, the method for oyster culture of the present invention, cultivates different oyster kinds according to different Season selects, greatly improves production output and economic benefit.Its six, shell string is the level of state and is connected on lower floor's raft frame (namely flat be hung on lower floor's raft frame), thus reduces stormy waves to the pulling force of the messenger on shell string.Its seven, it is in the sea area of 5-20 rice that device is rendered to by the seashore limit time of low water depth of water by the present invention, has greatly expanded breeding spaces, solves the problem that region, shoal breeding spaces is too crowded.They are eight years old, the present invention selects double-deck raft frame in the typhoon season in June-November, and select individual layer raft frame in the non-typhoon season in May December to next year then, thus (during June to November then then, stormy waves is large to adapt to pair change of season cultivation weather, typhoon is many, sunlight is comparatively sufficient, and oyster still can be exposed to sunlight at lower floor's raft frame, grows.And stormy waves is less during May December to next year then, there is no typhoon, sunlight is comparatively not enough, therefore will adopt individual layer raft frame, floating cultivate across the sea comparatively suitable).
Accompanying drawing explanation
Fig. 1 is the structural representation of the device of double-deck raft frame of the present invention.
Fig. 2 is the structural representation of individual layer raft frame of the present invention.
Embodiment
With reference to the accompanying drawings the specific embodiment of the present invention is described.
Embodiment one:
With reference to Fig. 1, a kind of opening sea area double-deck raft frame two season hanging culture oyster device, this device comprises upper strata raft frame 10, lower floor's raft frame 11 and a plurality of the first ropes 12.This upper strata raft frame 10 comprises a plurality of first ball float 101 and a plurality of first buoyant ropes 102.First ball float 101 can be the spheroid with larger buoyancy that the materials such as foam are made.These a plurality of the first buoyant rope 102 connects into frame structure.This plurality of first ball float 101 is connected on the first buoyant rope 102.Lower floor's raft frame 11 comprises a plurality of the second buoyant ropes 13, and these a plurality of the second buoyant rope 13 connects into frame structure.Connected by the first rope 12 described in a plurality of between upper strata raft frame 10 and lower floor's raft frame 11.
With reference to Fig. 1, the length of the first rope 12 is 2-6 rice.The destructive power of the water surface less than 2 meters waves to the destructive power relative upper strata raft frame 10 of lower floor's raft frame 11 is reduced to below half.
With reference to Fig. 1, upper strata raft frame 10 is also connected with a plurality of second ropes 14 and sinks to a plurality of first stone stone rollers 15 in seabed.The number of the number of this second rope 14 and the first stone stone roller 15 can adjust as required.The preferred scheme of number of the second rope 14 is the twice of the number of the first buoyant rope 102.One end and first stone of the second rope 14 are cut or polish jade with an emery wheel 15 and are connected, and the other end of this second rope 14 is connected with upper strata raft frame 10.This second rope 14 and the first stone stone roller 15 are connected to each angle of upper strata raft frame 10, thus fix upper strata raft frame 10.Above first rope 12, first buoyant rope 102, second buoyant rope 13 and the second rope 14 are common rope and can realize the present invention.
With reference to Fig. 1, one end of a plurality of second stones stone roller the 21, three ropes 20 that lower floor's raft frame 11 is also connected with a plurality of the 3rd ropes 20 and sinks to seabed is cut or polish jade with an emery wheel 21 with the second stone and is connected, and the other end of the 3rd rope 20 is connected with lower floor raft frame 11.3rd rope 20 and the second stone stone roller 21 are connected to each angle of lower floor's raft frame 11, thus fix lower floor's raft frame 11, thus increase the stability of lower floor's raft frame 11.
With reference to Fig. 1, a kind of opening sea area double-deck raft frame two season hanging culture oyster method, the method comprises the following steps:
A. choosing the adherance 16 for adhering to the spat of oyster, adopting messenger 17 to wear the adherance 16 being used for adhering to oyster and forming shell string 18.The length of messenger 17 is 2.5 meters, and the adherance 16 on every bar shell string 18 is 24, these 24 adherances 16 spaced set on messenger 17.
B. (when collect seedling as the common practise of those skilled in the art when being applicable to collecting seedling, just do not describe in detail at this), described shell string 18 dropped into Portuguese oyster nursery pond or collects seedling in the natural waters of giving birth to Portuguese oyster seedling, making each adherance 16 is attached with Portuguese oyster seedling; General each adherance 16 is attached with 10-20 grain Portuguese oyster seedling and just can carries out production cultivation.The shell of Portuguese oyster seedling is now long is generally 0.6-1.4 centimetre.
C. the described shell string being attached with Portuguese oyster seedling is the level of state is connected on lower floor's raft frame 11 in the middle ten days in June then (namely flat be hung on described lower floor raft frame 11), thus reduce stormy waves to the pulling force of the messenger 17 on shell string 18.
D. being put into by described device by the seashore limit time of low water depth of water is the sea area of 5-20 rice, upper strata raft frame 10 floats on sea under the buoyancy of the first ball float 101, and lower floor's raft frame 11 is lowered in water at the gravity of self gravitation, shell string 18 and the effect of the second stone stone roller.
E. Portuguese oyster seedling is cultivated, in last ten-days period in November then by described device pull-up, vendage tooth oyster.The shell length of Portuguese oyster now can reach 5-7 centimetre.
With reference to Fig. 1, during Portuguese oyster cultivation, when the first ball float 101 of upper strata raft frame 10 submerges in seawater completely, according to buoyancy situation, increase the number of the first ball float 101, upper strata raft frame 10 is floated on sea.
With reference to Fig. 2, the method is also included in late December then and separately gets shell string 18 with Pacific oyster seedling, and is the level of state by this shell string 18 with Pacific oyster seedling and is connected on an individual layer raft frame 30.This individual layer raft frame 30 comprises a plurality of second ball float 31 and a plurality of the 3rd buoyant ropes 32.These a plurality of the 3rd buoyant rope 32 connects into frame structure, puts down being hung on framework that the 3rd buoyant rope 32 formed with the shell string of Pacific oyster seedling.Second ball float 31 is installed on the 3rd buoyant rope 32.Individual layer raft frame 30 is also connected with a plurality of the 4th ropes 33, a plurality of 3rd stone stone roller 34.3rd stone stone roller 34 sinks to seabed, and one end of the 4th rope 33 is cut or polish jade with an emery wheel 34 with the 3rd stone and is connected, and the framework that the other end and the 3rd buoyant rope 32 of the 4th rope 33 are formed is connected.4th rope 33 and the 3rd stone stone roller 34 are connected to each angle of individual layer raft frame 30, thus fix individual layer raft frame 30.Being put into by individual layer raft frame 30 by the seashore limit time of low water depth of water is the sea area of 5-20 rice, and individual layer raft frame 30 floats on sea under the effect of the buoyancy of the second ball float 31.The cultivation several months is carried out to Pacific oyster seedling, in last ten-days period May next year by the pull-up of described individual layer raft frame 30, results Pacific oyster.The shell length of Pacific oyster now can reach 8-12 centimetre.Second ball float 31 can be the spheroid with larger buoyancy that the materials such as foam are made, and the 3rd buoyant rope 32, the 4th rope 33 can be common rope.
With reference to Fig. 2, during the cultivation of Pacific oyster seedling, when the second ball float of individual layer raft frame 30 submerges in seawater completely, according to buoyancy situation, increase the number of the second ball float, individual layer raft frame 30 is floated on sea.
See figures.1.and.2, the present invention is provided with upper strata raft frame 10 and lower floor's raft frame 11, and lower floor's raft frame 11 sinks to marine, thus lower floor's raft frame 11 is had stronger support capacity of anti-storm, thus reduces the probability that the spat of oyster departs from adherance, reduces the loss of raiser.It is in the sea area of 5-20 rice that device is rendered to by the seashore limit time of low water depth of water by the present invention, thus reduces the adhesion amount of barnacle shellfish, and spat of oyster growth is fast.After apparatus design of the present invention becomes the structure of double-deck raft frame, strong to capacity of anti-storm, can typhoon season be resisted, be applicable to two season cultivation in a year, greatly improve the economic benefit of raiser.The method of oyster culture of the present invention, cultivates different oyster kinds according to different Season selects, greatly improves production output and economic benefit.It is in the sea area of 5-20 rice that device is rendered to by the seashore limit time of low water depth of water by the present invention, has greatly expanded breeding spaces, solves the problem that region, shoal breeding spaces is too crowded.The present invention selects double-deck raft frame in the typhoon season in June-November, and select individual layer raft frame 30 in the non-typhoon season in May December to next year then, thus (during June to November then then, stormy waves is large to adapt to pair change of season cultivation weather, typhoon is many, sunlight is comparatively sufficient, oyster still can be exposed to sunlight at lower floor's raft frame, grows.And stormy waves is less during May December to next year then, there is no typhoon, sunlight is comparatively not enough, therefore will adopt individual layer raft frame 30, floating cultivate across the sea comparatively suitable).
Embodiment two:
With reference to Fig. 1, a kind of opening sea area double-deck raft frame two season hanging culture oyster device, this device comprises upper strata raft frame 10, lower floor's raft frame 11 and a plurality of the first ropes 12.This upper strata raft frame 10 comprises a plurality of first ball float 101 and a plurality of first buoyant ropes 102.First ball float 101 can be the spheroid with larger buoyancy that the materials such as foam are made.These a plurality of the first buoyant rope 102 connects into frame structure.This plurality of first ball float 101 is connected on the first buoyant rope 102.Lower floor's raft frame 11 comprises a plurality of the second buoyant ropes 13, and these a plurality of the second buoyant rope 13 connects into frame structure.Connected by the first rope 12 described in a plurality of between upper strata raft frame 10 and lower floor's raft frame 11.
With reference to Fig. 1, the length of the first rope 12 is 2-6 rice.The destructive power of the water surface less than 2 meters waves to the destructive power relative upper strata raft frame 10 of lower floor's raft frame 11 is reduced to below half.
With reference to Fig. 1, upper strata raft frame 10 is also connected with a plurality of second ropes 14 and sinks to a plurality of first stone stone rollers 15 in seabed.The number of the number of this second rope 14 and the first stone stone roller 15 can adjust as required.The preferred scheme of number of the second rope 14 is the twice of the number of the first buoyant rope 102.One end and first stone of the second rope 14 are cut or polish jade with an emery wheel 15 and are connected, and the other end of this second rope 14 is connected with upper strata raft frame 10.This second rope 14 and the first stone stone roller 15 are connected to each angle of upper strata raft frame 10, thus fix upper strata raft frame 10.Above first rope 12, first buoyant rope 102, second buoyant rope 13 and the second rope 14 are common rope and can realize the present invention.
With reference to Fig. 1, one end of a plurality of second stones stone roller the 21, three ropes 20 that lower floor's raft frame 11 is also connected with a plurality of the 3rd ropes 20 and sinks to seabed is cut or polish jade with an emery wheel 21 with the second stone and is connected, and the other end of the 3rd rope 20 is connected with lower floor raft frame 11.3rd rope 20 and the second stone stone roller 21 are connected to each angle of lower floor's raft frame 11, thus fix lower floor's raft frame 11, thus increase the stability of lower floor's raft frame 11.
With reference to Fig. 1, a kind of opening sea area double-deck raft frame two season hanging culture oyster method, the method comprises the following steps:
A. choosing the adherance 16 for adhering to the spat of oyster, adopting messenger 17 to wear the adherance 16 being used for adhering to oyster and forming shell string 18.The length of messenger 17 is 2.5 meters, and the adherance 16 on every bar shell string 18 is 24, these 24 adherances 16 spaced set on messenger 17.
B. (when collect seedling as the common practise of those skilled in the art when being applicable to collecting seedling, just do not describe in detail at this), described shell string 18 dropped into Portuguese oyster nursery pond or collects seedling in the natural waters of giving birth to Portuguese oyster seedling, making each adherance 16 is attached with Portuguese oyster seedling; General each adherance 16 is attached with 10-20 grain Portuguese oyster seedling and just can carries out production cultivation.The shell of Portuguese oyster seedling is now long is generally 0.6-1.4 centimetre.
C. the described shell string being attached with Portuguese oyster seedling is the level of state is connected on lower floor's raft frame 11 in the middle ten days in June then (namely flat be hung on described lower floor raft frame 11), thus reduce stormy waves to the pulling force of the messenger 17 on shell string 18.
D. being put into by described device by the seashore limit time of low water depth of water is the sea area of 12 meters, and upper strata raft frame 10 floats on sea under the buoyancy of the first ball float 101, and lower floor's raft frame 11 is lowered in water at the gravity of self gravitation, shell string 18 and the effect of the second stone stone roller.
E. Portuguese oyster seedling is cultivated, in last ten-days period in November then by described device pull-up, vendage tooth oyster.The shell length of Portuguese oyster now can reach 5-7 centimetre.
With reference to Fig. 1, during Portuguese oyster cultivation, when the first ball float 101 of upper strata raft frame 10 submerges in seawater completely, according to buoyancy situation, increase the number of the first ball float 101, upper strata raft frame 10 is floated on sea.
With reference to Fig. 2, the method is also included in late December then and separately gets shell string with Pacific oyster seedling, and is the level of state by this shell string with Pacific oyster seedling and is connected on an individual layer raft frame 30.This individual layer raft frame 30 comprises a plurality of second ball float 31 and a plurality of the 3rd buoyant ropes 32.These a plurality of the 3rd buoyant rope 32 connects into frame structure, puts down being hung on framework that the 3rd buoyant rope 32 formed with the shell string of Pacific oyster seedling.Second ball float 31 is installed on the 3rd buoyant rope 32.Individual layer raft frame 30 is also connected with a plurality of the 4th ropes 33, a plurality of 3rd stone stone roller 34.3rd stone stone roller 34 sinks to seabed, and one end of the 4th rope 33 is cut or polish jade with an emery wheel 34 with the 3rd stone and is connected, and the framework that the other end and the 3rd buoyant rope 32 of the 4th rope 33 are formed is connected.4th rope 33 and the 3rd stone stone roller 34 are connected to each angle of individual layer raft frame 30, thus fix individual layer raft frame 30.Being put into by individual layer raft frame 30 by the seashore limit time of low water depth of water is the sea area of 12 meters, and individual layer raft frame 30 floats on sea under the effect of the buoyancy of the second ball float 31.The cultivation several months is carried out to Pacific oyster seedling, in last ten-days period May next year by the pull-up of described individual layer raft frame 30, results Pacific oyster.The shell length of Pacific oyster now can reach 8-12 centimetre.Second ball float 31 can be the spheroid with larger buoyancy that the materials such as foam are made, and the 3rd buoyant rope 32, the 4th rope 33 can be common rope.
With reference to Fig. 2, during the cultivation of Pacific oyster seedling, when the second ball float of individual layer raft frame 30 submerges in seawater completely, according to buoyancy situation, increase the number of the second ball float, individual layer raft frame 30 is floated on sea.
See figures.1.and.2, the present invention is provided with upper strata raft frame 10 and lower floor's raft frame 11, and lower floor's raft frame 11 sinks to marine, thus lower floor's raft frame 11 is had stronger support capacity of anti-storm, thus reduces the probability that the spat of oyster departs from adherance, reduces the loss of raiser.It is in the sea area of 12 meters that device is rendered to by the seashore limit time of low water depth of water by the present invention, thus reduces the adhesion amount of barnacle shellfish, and spat of oyster growth is fast.After apparatus design of the present invention becomes the structure of double-deck raft frame, strong to capacity of anti-storm, can typhoon season be resisted, be applicable to two season cultivation in a year, greatly improve the economic benefit of raiser.The method of oyster culture of the present invention, cultivates different oyster kinds according to different Season selects, greatly improves production output and economic benefit.It is in the sea area of 12 meters that device is rendered to by the seashore limit time of low water depth of water by the present invention, has greatly expanded breeding spaces, solves the problem that region, shoal breeding spaces is too crowded.The present invention selects double-deck raft frame in the typhoon season in June-November, and select individual layer raft frame 30 in the non-typhoon season in May December to next year then, thus (during June to November then then, stormy waves is large to adapt to pair change of season cultivation weather, typhoon is many, sunlight is comparatively sufficient, oyster still can be exposed to sunlight at lower floor's raft frame, grows.And stormy waves is less during May December to next year then, there is no typhoon, sunlight is comparatively not enough, therefore will adopt individual layer raft frame 30, floating cultivate across the sea comparatively suitable).
Above are only the specific embodiment of the present invention, but design concept of the present invention is not limited thereto, all changes utilizing this design the present invention to be carried out to unsubstantiality, all should belong to the behavior of invading scope.
Claims (9)
1. one kind opening sea area double-deck raft frame two season hanging culture oyster device, it is characterized in that: this device comprises upper strata raft frame, lower floor's raft frame and a plurality of the first ropes, this upper strata raft frame comprises a plurality of first ball float and a plurality of first buoyant ropes, these a plurality of the first buoyant rope connects into frame structure, this a plurality of first ball float is connected on described first buoyant rope, described lower floor raft frame comprises a plurality of the second buoyant ropes, these a plurality of the second buoyant rope connects into frame structure, is connected between described upper strata raft frame and described lower floor raft frame by the first rope described in a plurality of.
2., according to the device of hanging culture oyster of a kind of opening sea area according to claim 1 double-deck raft frame two season, it is characterized in that: the length of described first rope is 2-6 rice.
3. according to the device of hanging culture oyster of a kind of opening sea area according to claim 1 double-deck raft frame two season, it is characterized in that: described upper strata raft frame is connected with a plurality of second ropes and sinks to a plurality of first stone stone rollers in seabed, one end of described second rope is cut or polish jade with an emery wheel with described first stone and is connected, and the other end of described second rope is connected with described upper strata raft frame.
4. according to the device of hanging culture oyster of a kind of opening sea area according to claim 1 double-deck raft frame two season, it is characterized in that: described lower floor raft frame is also connected with a plurality of the 3rd ropes and sinks to a plurality of second stone stone rollers in seabed, one end of described 3rd rope is cut or polish jade with an emery wheel with described second stone and is connected, and the other end of the 3rd rope is connected with described lower floor raft frame.
5., according to the method for hanging culture oyster of a kind of opening sea area according to claim 1 double-deck raft frame two season, it is characterized in that: the method comprises the following steps:
A. choosing the adherance for adhering to the spat of oyster, adopting messenger to wear the adherance being used for adhering to the spat of oyster and forming shell string;
B. described shell string is dropped in oyster nursery pond and collect seedling, make each adherance is attached with the spat of oyster;
C. being the level of state by the described shell string being attached with the spat of oyster in the middle ten days in June is then connected on described lower floor raft frame;
D. being put into by described device by the seashore limit time of low water depth of water is the sea area of 5-20 rice, and described upper strata raft frame floats on sea, described lower floor raft frame submerged.
E. by described device pull-up, oyster is being gathered in the crops the last ten-days period in November then.
6. according to the method for hanging culture oyster of a kind of opening sea area according to claim 5 double-deck raft frame two season, it is characterized in that: during oyster culture, when the first ball float of upper strata raft frame submerges in seawater completely, increase the number of the first ball float, upper strata raft frame is floated on sea.
7. according to the method for hanging culture oyster of a kind of opening sea area according to claim 5 double-deck raft frame two season, it is characterized in that: the method is also included in late December then and separately gets shell string with the spat of oyster, and this is the level of state with shell string of the spat of oyster is connected on an individual layer raft frame, this individual layer raft frame comprises a plurality of second ball float and a plurality of the 3rd buoyant ropes; These a plurality of the 3rd buoyant rope connects into frame structure, and described second ball float is installed on described 3rd buoyant rope; Described individual layer raft frame is also connected with a plurality of the 4th ropes, a plurality of 3rd stone stone roller, and described 3rd stone stone roller sinks to seabed, and one end of described 4th rope is cut or polish jade with an emery wheel with described 3rd stone and is connected, and the framework that the other end and the 3rd buoyant rope of described 4th rope are formed is connected; Putting into described individual layer raft frame by the seashore limit time of low water depth of water is the sea area of 5-20 rice, and described individual layer raft frame floats on sea, in last ten-days period May next year by the pull-up of described individual layer raft frame, and results oysters.
8. according to the method for hanging culture oyster of a kind of opening sea area according to claim 5 double-deck raft frame two season, it is characterized in that: be Portuguese oyster the spat of oyster then accompanying by the middle ten days in June, the shell of this Portuguese oyster seedling is long is 0.6-1.4 centimetre.
9. according to the method for hanging culture oyster of a kind of opening sea area according to claim 7 double-deck raft frame two season, it is characterized in that: be Pacific oyster seedling the spat of oyster then accompanying by late December, the shell of this Pacific oyster seedling is long is 0.3-0.7 centimetre.
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| CN107581116A (en) * | 2017-10-26 | 2018-01-16 | 浦北县德海种养农产品加工专业合作社 | Utilize the method for the big oyster of suspended longline farming |
| CN108124800A (en) * | 2017-12-27 | 2018-06-08 | 广西正五海洋产业股份有限公司 | Oyster floatable hangs raft cultural method |
| CN108157256A (en) * | 2018-02-07 | 2018-06-15 | 广西爱国投资有限公司 | The Anti-Typhoon floating mat building method and cultural method of a kind of big oyster |
| CN108684588A (en) * | 2018-05-12 | 2018-10-23 | 苑春亭 | A method of with hard attachment base marine raft culture oyster |
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| CN104872023B (en) | 2017-08-29 |
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