CN110313448A - A kind of two-way set net for distinguishing fish swimming direction - Google Patents
A kind of two-way set net for distinguishing fish swimming direction Download PDFInfo
- Publication number
- CN110313448A CN110313448A CN201910672586.9A CN201910672586A CN110313448A CN 110313448 A CN110313448 A CN 110313448A CN 201910672586 A CN201910672586 A CN 201910672586A CN 110313448 A CN110313448 A CN 110313448A
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- Prior art keywords
- floating ball
- cage frame
- nylon rope
- taper outer
- connecting rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 241000251468 Actinopterygii Species 0.000 title claims abstract description 63
- 230000009182 swimming Effects 0.000 title claims abstract description 24
- 239000004677 Nylon Substances 0.000 claims abstract description 53
- 229920001778 nylon Polymers 0.000 claims abstract description 53
- 239000007787 solid Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 24
- 230000000366 juvenile effect Effects 0.000 description 15
- 230000005012 migration Effects 0.000 description 12
- 238000013508 migration Methods 0.000 description 12
- 239000010410 layer Substances 0.000 description 11
- 238000011160 research Methods 0.000 description 11
- 238000011835 investigation Methods 0.000 description 5
- 239000006260 foam Substances 0.000 description 4
- 229920000915 polyvinyl chloride Polymers 0.000 description 4
- 239000004800 polyvinyl chloride Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 241001519451 Abramis brama Species 0.000 description 2
- 241000252234 Hypophthalmichthys nobilis Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241001609213 Carassius carassius Species 0.000 description 1
- 241000703769 Culter Species 0.000 description 1
- 241000252233 Cyprinus carpio Species 0.000 description 1
- 241000982634 Tragelaphus eurycerus Species 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 239000004459 forage Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Classifications
-
- 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
- A01K69/00—Stationary catching devices
- A01K69/04—Fixed nets with traps
-
- 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
- A01K75/00—Accessories for fishing nets; Details of fishing nets, e.g. structure
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Marine Sciences & Fisheries (AREA)
Abstract
The invention discloses the two-way set nets that one kind can distinguish fish swimming direction, the network interface of two taper outer nets is fixed on cage frame left and right ends, the tail end of two taper outer nets is connected, funnel Intranet is fixed in the taper outer net, floating ball is connected by nylon rope positioned at cage frame upper surface quadrangle, the side of cage frame is connected and fixed anchor by nylon rope, cage frame is length by the connecting rod of four 2m long, the connecting rod of four 0.5m long is width, the connecting rod of four 0.5m long is height, it is assembled by being inserted into eight three hole interfaces, the network interface of two taper outer nets is separately fixed at cage frame left and right ends, the tail end of two taper outer nets is fixed together, funnel Intranet is fixed on taper outer net middle position, cage frame upper end quadrangle is connect by nylon rope with floating ball.Structure is simple, easy to use, accurately distinguishes the direction of motion for the fish caught, and the accurate fishing water layer for controlling netting gear, netting gear distinguishes swimming direction when fish are caught, and solves the problems, such as to distinguish river Mesichthyes swimming direction difficulty.
Description
Technical field
The present invention relates to the technical fields about catching net in fish scientific research investigation, and fish can be distinguished by being more particularly to one kind
The two-way set net of class swimming direction is suitable as the investigation scientific research netting gear of research river Mesichthyes migration rule.
Background technique
Migration be fish in order to improve to greatest extent population survival rate, improve ingest with Reproduction Conditions, avoid poor environment
And a kind of campaign-styled type carried out.The characteristics of motion of the larva and juvenile in river is investigated to not only facilitate in protection and management river
Fishery resources can also enrich the relevant knowledge of river ecosystem Mesichthyes migration.
Carrying out selective fishing to fish by the investigation netting gear of science is to carry out the premise of fish migration research.To young young
The acquisition of fish is usually using fishing gears such as macroplankton net, Bongo net, fixation Jianggang nets.But above-mentioned fishing gear is used, cannot distinguish between
The swimming direction for the larva and juvenile caught, and these netting gears can only guarantee to catch the larva and juvenile in a direction, need simultaneously
Catch it is different swim to fish when have biggish limitation, it cannot be guaranteed that the consistency of the variables such as environment；Meanwhile above-mentioned fishing gear is general
Also it is difficult to control accurately the water layer of fishing.This leads to not the migration rule using these netting gears further investigation fish；Therefore urgently
A kind of scientific research tune that can distinguish direction of motion when fish are caught and can accurately control netting gear fishing water layer need to be developed
Look into device.
It about the finishing device of larva and juvenile, arranges such as, " a kind of larva and juvenile acquisition netting gear (ZL07428246U) ", a kind of " rivers
Fish-egg, larva and juvenile quantitative collection device (ZL205106021U) ", " river multi-water-layer fish larvae collecting device
Etc. (Zl202310914U) " have the characteristics that easy to operate, capture rate is high, but their answering in terms of researching fish migration
It is had the following problems in: 1) cannot distinguish between the swimming direction for the larva and juvenile caught in river；2) river cannot be caught simultaneously
In downstream and against the current both direction travelling larva and juvenile, and guarantee to investigate the consistency of variations per hour；3) it is difficult to control accurately netting gear
Fishing water layer.
Summary of the invention
The purpose of the invention is to provide a kind of two-way set nets that can distinguish fish swimming direction, and structure is simple,
It is easy to use, for efficiently capturing in river the downstream and against the current larva and juvenile of both direction travelling simultaneously, can accurately distinguish
The direction of motion for the fish caught, and the fishing water layer of netting gear can be accurately controlled, it is particularly suitable for use as in research river
Netting gear is investigated in the scientific research of fish migration rule, and netting gear can distinguish swimming direction when fish are caught, solve differentiation river
The problem of Mesichthyes swimming direction difficulty, and can accurately control the fishing water layer of netting gear.
In order to achieve the above purpose, the present invention uses following technical measures:
A kind of two-way set net for distinguishing fish swimming direction, including by 12 connecting rods and eight three hole interface groups
The internal structure of the cage frame, taper outer net and funnel Intranet composition dressed up.It is characterized in that, the network interface of two taper outer nets is fixed
Tail end in cage frame left and right ends, two taper outer nets is connected, and is fixed with funnel Intranet in the taper outer net, is located at cage
Frame upper surface quadrangle has the floating ball connected by the nylon rope of adjustable length, has positioned at the side of cage frame and passes through nylon
The fixation anchor of rope connection.Floating ball is made of polyvinyl chloride foam ball, and cage frame is by four 2m or so long connecting rod as length, four
The connecting rod of 0.5m long is used as height as wide, four 0.5m long connecting rods, is assembled by being inserted into eight three hole interfaces, two
The network interface of taper outer net is separately fixed at cage frame left and right ends, and the tail end of two taper outer nets is fixed together, and funnel Intranet is solid
It is scheduled on taper outer net middle position, cage frame size and taper outer net, the size of funnel Intranet and its mesh can be caught according to target
The size of fish, which adjusts, to be determined.Cage frame upper end quadrangle is connect by nylon rope with floating ball, by adjusting Buddhist nun between floating ball and cage frame
Imperial rope length degree sets the depth of netting gear in water, and cage frame side is connect by nylon rope with fixed anchor.
Further, the tool taper outer net opposite there are two opening direction in the cage frame, two taper outer net difference
The left and right sides in cage frame, taper outer net tail end are closed, and are fixed with funnel Intranet, one side opening of funnel Intranet in taper outer net
Greatly, other side opening is small, and the side that funnel Intranet is open big is identical as taper outer net opening direction.
Further, the floating ball is fixed on the quadrangle of cage frame upper surface by the nylon rope of adjustable length.
Further, the cage frame is assembled by 12 connecting rods and eight three hole interfaces.
Specifically, the tool taper outer net opposite there are two opening direction in the cage frame, two taper outer nets distinguish position
In the left and right sides in cage frame, taper outer net tail end is closed, and is fixed with funnel Intranet, one side opening of funnel Intranet in taper outer net
Greatly, other side opening is small, and the side that funnel Intranet is open big is identical as taper outer net opening direction.Funnel Intranet can guarantee
The fish entered from funnel outer net is difficult to escape, and improves catching rate；Two taper outer net tail ends are connected to a fixed and are not communicated with,
It ensure that fish catch in the taper outer net of left and right will not mix, be downstream into netting gear or inverse so as to accurately distinguish fish
Water enters netting gear, that is, has distinguished swimming direction when fish is caught.
Eight angles of cage frame are fixed by three hole interfaces, deform cage frame will not because water flow is excessive, i.e., so that frame more
Securely.The floating ball is made of polyvinyl chloride foam ball, and four floating balls are fixed on cage frame by the nylon rope of adjustable length
The quadrangle of upper surface, effect are so that netting gear is maintained at specified water layer by adjusting the length of nylon rope between floating ball and cage frame
Depth.
Documents ZL07428246U, ZL205106021U, Zl202310914U etc..Tool in the cage frame of apparatus of the present invention
There are the two taper outer nets in left and right, and there is the funnel Intranet that can prevent fish from escaping inside taper outer net, on these structures are all
Stating does not have in equal files；These newly-designed structures allow apparatus of the present invention to accurately distinguish the travelling of the larva and juvenile caught
Direction；At the same time catch river in swim downstream and against the current to fish when, also can guarantee the consistency of variable；Meanwhile the present invention fills
4 floating balls are fixed on the quadrangle of cage frame upper surface by the nylon rope of adjustable length in setting, and can accurately control netting gear needs
The water layer being put into, and ensure that the stability of netting gear in water.These structures and its brought effect are all files
Not available for ZL07428246U, ZL205106021U, Zl202310914U etc..
The operating process of apparatus of the present invention is as described below, and connecting rod is fixed with three hole interfaces, fixes taper outer net
With funnel Intranet, cage frame upper end quadrangle connects floating ball by nylon rope, is set by adjusting nylon rope length between floating ball and cage frame
The depth of netting gear in water is set, cage frame side is connected and fixed anchor by nylon rope.
Netting gear is put into the position for needing to investigate in river, after the time of setting, lifts netting gear, takes out left and right respectively
Catches in the taper outer net of two sides.
Pass through above-mentioned technical measures: it is crucial that two taper outer nets containing funnel Intranet, two outer nets in left and right
It is to catch the fish to move about downstream and against the current respectively, funnel Intranet is to escape in order to prevent into the fish of conic net, improves fishing
Efficiency.Funnel Intranet and taper outer net are held together with the fishing lines of production Intranet with outer net, and two taper outer net tail ends are connected
It connects fixed and is not communicated with, ensure that the fish caught in the taper outer net of left and right will not mix, solving, which cannot distinguish between in river, catches
The technical issues of swimming direction for the fish reaped.
Compared with prior art, the present invention having the following advantages that and effect:
The swimming direction for the larva and juvenile caught can be accurately distinguished；
Can catch simultaneously swim downstream and against the current to fish, and ensure that variable consistency when fishing；
The water layer that netting gear needs to be put into can be accurately controlled, and ensure that the stability of netting gear in water.
It is final to realize that netting gear is investigated in the scientific research as research river Mesichthyes migration rule.
Detailed description of the invention
Fig. 1 is the two-way set net perspective diagram that one kind can distinguish fish swimming direction.
Fig. 2 is the two-way set net schematic front view that one kind can distinguish fish swimming direction.
Fig. 3 is a kind of conic net schematic diagram.
Wherein: 1- floating ball (polyvinyl chloride foam ball)；2- nylon rope；3- connecting rod；3A- first connecting rod, 3B- second
Connecting rod, 3C- third connecting rod, 4- taper outer net (network interface long 0.5m, wide 0.5m, the long 1.0m of body)；5- funnel Intranet；6-
Three hole interfaces；7-fixed anchors；8-cage frames (long 2.0m, width 0.5m, high 0.5m).
Specific embodiment
Embodiment 1:
Apparatus of the present invention are further described with specific embodiment with reference to the accompanying drawing.
As shown in Figure 1, a kind of two-way set net that can distinguish fish swimming direction, comprising: floating ball 1, nylon rope 2, connection
Bar 3, taper outer net 4, funnel Intranet 5, three hole interfaces 6, fixed anchor 7, cage frame 8.It is characterized by: the net of two taper outer nets 4
Mouth is fixed on 8 left and right ends of cage frame, and the tail end of two taper outer nets 4 is connected, and is fixed in funnel in the taper outer net 4
Net 5 has the floating ball 1 connected by the nylon rope 2 of adjustable length positioned at 8 upper surface quadrangle of cage frame, positioned at the one of cage frame 8
Side has the fixation anchor 7 connected by nylon rope 2.Floating ball 1 is made of polyvinyl chloride foam ball, and cage frame 8 is long by four 2m or so
Connecting rod 3 as long, four 0.5m long connecting rods 3 as wide, the four 0.5m long conduct height of connecting rods 3, pass through insertion
Eight three hole interfaces 6 are assembled into, and the network interface of two taper outer nets 4 is separately fixed at 8 left and right ends of cage frame, two taper outer nets 4
Tail end be fixed together, funnel Intranet 5 is fixed on 4 middle position of taper outer net, in 8 size of cage frame and taper outer net 4, funnel
The size that the size and its mesh of net 5 can catch fish according to target, which adjusts, to be determined.8 upper end quadrangle of cage frame by nylon rope 2 with
Floating ball 1 connects, and sets the depth of netting gear in water, 8 side of cage frame by adjusting 2 length of nylon rope between floating ball 1 and cage frame 8
It is connect by nylon rope 2 with fixed anchor 7.
The floating ball is the first floating ball 1A, the second floating ball 1B, third floating ball 1C, the 4th floating ball 1D；First floating ball 1A,
Two floating ball 1B, third floating ball 1C, the 4th floating ball 1D (four floating balls) are the same length and weight, are not different.First floating ball
1A, the second floating ball 1B, third floating ball 1C, the 4th floating ball 1D are directly tied up respectively in cage frame top quadrangle.
The nylon rope is the first nylon rope 2A, the second nylon rope 2B, third nylon rope C, the 4th nylon rope D；First
Nylon rope 2A, the second nylon rope 2B, third nylon rope 2C, the 4th nylon rope 2D (four) are separately connected the first floating ball 1A, second
Floating ball 1B, third floating ball 1C, the 4th floating ball 1D and cage frame, the first nylon rope 2A, the second nylon rope 2B, third nylon rope 2C,
Four nylon rope 2D are the same length and weight, are not different.Nylon rope binding connection.
The connecting rod is first connecting rod 3A, the second connecting rod 3B, third connecting rod 3C；First connecting rod 3A conduct
The height as cage frame of width, third connecting rod 3C of the length of cage frame, the second connecting rod 3B as cage frame.
The taper outer net is the first taper outer net 4A, the second taper outer net 4B；The funnel Intranet is divided into first
Funnel Intranet 5A, the second funnel Intranet 5B；First taper outer net 4A, the second taper outer net 4B (two taper outer nets) be
Duplicate, the first funnel Intranet 5A, the second funnel Intranet 5B (two funnel Intranets) is also duplicate.
The connecting rod 3 is changeable, and first connecting rod 3A is 2.0m or so, the length as cage frame；Second connecting rod
3B is 0.5m or so, the width as cage frame；Third connecting rod 3C is 0.5m or so, the height as cage frame；First connecting rod 3A,
Two connecting rod 3B and third connecting rod 3C each four, the cage for being assembled into a rectangular shape by being inserted into eight three hole interfaces 6
Frame.First connecting rod 3A length is equal to 2 times of 4 length of taper outer net, the second connecting rod 3B, third connecting rod 3C length and taper
The length and width that 4 mouthfuls of outer net is equal, and can just put in two tapers in the cage frame 8 being assembled into this way by connecting rod or so
Outer net 4.There are the two taper outer nets 4 in left and right in the cage frame 8 of apparatus of the present invention, and have inside taper outer net 4 and can prevent fish
The funnel Intranet 5 of escape, these newly-designed structures allow apparatus of the present invention to accurately distinguish the travelling of the larva and juvenile caught
Direction；In use, apparatus of the present invention are placed in parallel with water (flow) direction, fishing in the opening direction taper outer net 4 opposite with water flow
To fish be direction travelling downstream fish, the interior fish caught of identical with the water flow taper outer net of opening direction 4 is against the current
The fish of direction travelling.At the same time catch river in swim downstream and against the current to fish when, also can guarantee the consistency of the variables such as environment；
Meanwhile four floating balls 1 are fixed on the quadrangle of 8 upper surface of cage frame by the nylon rope 2 of adjustable length in apparatus of the present invention, it can be with
The water layer that accurate control netting gear needs to be put into, and ensure that the stability of netting gear in water.In July, 2019, netting gear is put into Hunan
Water flow surface layer near the middle of the river of river the Miluo River section, after eight hours (river of placement, place water layer, standing time can root
According to needing to set), lift netting gear, takes out the young juvenile fish in the taper outer net of the left and right sides respectively, and classify to the fish of fishing
It counts, obtains the result in following table.
Interpretation of result: since the water of Xiang River is to flow into Dongting Lake, opening direction is the taper outer net in direction against the current
The fish of capture is all the fish (entering lake direction) swum to Dongting Lake direction, and opening direction is the fish of the taper outer net capture in direction downstream
It is all the fish (lake direction out) swum to Xiang River updrift side.Enter lake direction and illustrates that fish is not obvious close to 1 with lake Direction ratio out
Enter lake or out lake trend, ratio is greater than more than 1, illustrates that fish has what is be more obvious to enter lake trend.By result in table it is found that
Parapelecus argenteus, bream, silver carp in July Xiang River and the fish that mouth Culter these types has migration habit are stuck up, young juvenile fish has apparent
Enter lake trend；And carp, crucian carp, sub- mound kiss goby do not have the fish of migration habit, young juvenile fish does not enter lake significantly or goes out
Lake trend.The viewpoint of mainstream thinks that parapelecus argenteus, bream, silver carp etc. have the fish of migration habit generally in summer, autumn from rivers at present
It carries out forage into lake to raise an infant, this is consistent with this investigation result, illustrates that apparatus of the present invention can be used as in research river
Netting gear is investigated in the scientific research of fish migration rule.
Claims (6)
1. one kind can distinguish the two-way set net in fish swimming direction, including floating ball (1), nylon rope (2), connecting rod (3), taper
Outer net (4), funnel Intranet (5), three hole interfaces (6), fixed anchor (7), cage frame (8), it is characterised in that: two taper outer nets (4)
Network interface be fixed on cage frame (8) left and right ends, the tail end of two taper outer nets (4) is connected, solid in the taper outer net (4)
Surely there are funnel Intranet (5), be located at cage frame (8) upper surface quadrangle by nylon rope (2) connection floating ball (1), the side of cage frame (8) is logical
It crosses nylon rope (2) to be connected and fixed anchor (7), cage frame (8) is long, four 0.5m long connecting rod by the connecting rod (3) of four 2m long
(3) it is height for wide, four 0.5m long connecting rods (3), is assembled by being inserted into eight three hole interfaces (6), two taper outer nets
(4) network interface is separately fixed at cage frame (8) left and right ends, and the tail end of two taper outer nets (4) is fixed together, funnel Intranet
(5) it is fixed on taper outer net (4) middle position, cage frame (8) upper end quadrangle is connect by nylon rope (2) with floating ball (1).
2. the two-way set net that one kind according to claim 1 can distinguish fish swimming direction, it is characterised in that: described
Floating ball (1) is the first floating ball (1A), the second floating ball (1B), third floating ball (1C), the 4th floating ball (1D)；First floating ball (1A),
Two floating balls (1B), third floating ball (1C), the 4th floating ball (1D) are the same length and weight, the first floating ball (1A), the second floating ball
(1B), third floating ball (1C), the 4th floating ball (1D) are directly tied up respectively in cage frame (8) top quadrangle.
3. the two-way set net that one kind according to claim 1 can distinguish fish swimming direction, it is characterised in that: described
Nylon rope (2) is the first nylon rope (2A), the second nylon rope (2B), third nylon rope (2C), the 4th nylon rope (2D)；First Buddhist nun
Dragon rope (2A), the second nylon rope (2B), third nylon rope (2C), the 4th nylon rope (2D) are separately connected the first floating ball (1A), the
Two floating balls (1B), third floating ball (1C), the 4th floating ball (1D) and cage frame (8), the first nylon rope (2A), the second nylon rope (2B),
Third nylon rope (2C), the 4th nylon rope (2D) are the same length and weight, nylon rope binding connection.
4. the two-way set net that one kind according to claim 1 can distinguish fish swimming direction, it is characterised in that: described
Connecting rod (3) is first connecting rod (3A), the second connecting rod (3B), third connecting rod (3C)；First connecting rod (3A) is cage frame
Length, the second connecting rod (3B) be the width of cage frame, the height that third connecting rod (3C) is cage frame.
5. the two-way set net that one kind according to claim 1 can distinguish fish swimming direction, it is characterised in that: described
Taper outer net (4) is the first taper outer net (4A), the second taper outer net (4B)；The funnel Intranet (5) is divided into the first funnel
Intranet (5A), the second funnel Intranet (5B)；The first taper outer net (4A), the second taper outer net (4B) are equally, described
First funnel Intranet (5A), the second funnel Intranet (5B) are equally.
6. the two-way set net that one kind according to claim 4 can distinguish fish swimming direction, it is characterised in that: described
First connecting rod (3A), the second connecting rod (3B) and third connecting rod (3C) each four, by being inserted into eight three hole interface (6) groups
The cage frame (8) of a rectangular shape is dressed up, first connecting rod (3A) length is equal to 2 times of taper outer net (4) length, and second connects
Extension bar (3B), third connecting rod (3C) length are equal with the length and width of taper outer net (4) mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910672586.9A CN110313448B (en) | 2019-07-24 | 2019-07-24 | Bidirectional fixed net capable of distinguishing fish swimming direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910672586.9A CN110313448B (en) | 2019-07-24 | 2019-07-24 | Bidirectional fixed net capable of distinguishing fish swimming direction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110313448A true CN110313448A (en) | 2019-10-11 |
| CN110313448B CN110313448B (en) | 2024-10-15 |
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ID=68124420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910672586.9A Active CN110313448B (en) | 2019-07-24 | 2019-07-24 | Bidirectional fixed net capable of distinguishing fish swimming direction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110313448B (en) |
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|---|---|---|---|---|
| RU2185729C2 (en) * | 2000-10-20 | 2002-07-27 | Тимин Борис Николаевич | Fishing trawl |
| CN104542514A (en) * | 2013-10-22 | 2015-04-29 | 三峡大学 | Device for catching fish by water flow |
| CN206427240U (en) * | 2016-11-04 | 2017-08-22 | 大连海洋大学 | A kind of boom formula fish acquisition vessel based on acoustic detection |
| TW201729675A (en) * | 2016-02-19 | 2017-09-01 | 朴春宣 | Fish trap capable of increasing the amount of fishes successfully trapped |
| CN207561162U (en) * | 2017-11-08 | 2018-07-03 | 福海县德盛水产有限公司 | Fish culture fishing operation system |
| KR20180106365A (en) * | 2017-03-20 | 2018-10-01 | 이형덕 | Fishway system for dam construction |
| CN208175836U (en) * | 2018-01-26 | 2018-12-04 | 中国科学院水生生物研究所 | A kind of trap sampling apparatus for investigating fish migration direction |
| CN109548709A (en) * | 2018-10-16 | 2019-04-02 | 中国水产科学研究院东海水产研究所 | A method of auxiliary fish anadromous migration |
| CN210671756U (en) * | 2019-07-24 | 2020-06-05 | 中国水产科学研究院长江水产研究所 | Fixed net suitable for researching fish migration |
-
2019
- 2019-07-24 CN CN201910672586.9A patent/CN110313448B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2185729C2 (en) * | 2000-10-20 | 2002-07-27 | Тимин Борис Николаевич | Fishing trawl |
| CN104542514A (en) * | 2013-10-22 | 2015-04-29 | 三峡大学 | Device for catching fish by water flow |
| TW201729675A (en) * | 2016-02-19 | 2017-09-01 | 朴春宣 | Fish trap capable of increasing the amount of fishes successfully trapped |
| CN206427240U (en) * | 2016-11-04 | 2017-08-22 | 大连海洋大学 | A kind of boom formula fish acquisition vessel based on acoustic detection |
| KR20180106365A (en) * | 2017-03-20 | 2018-10-01 | 이형덕 | Fishway system for dam construction |
| CN207561162U (en) * | 2017-11-08 | 2018-07-03 | 福海县德盛水产有限公司 | Fish culture fishing operation system |
| CN208175836U (en) * | 2018-01-26 | 2018-12-04 | 中国科学院水生生物研究所 | A kind of trap sampling apparatus for investigating fish migration direction |
| CN109548709A (en) * | 2018-10-16 | 2019-04-02 | 中国水产科学研究院东海水产研究所 | A method of auxiliary fish anadromous migration |
| CN210671756U (en) * | 2019-07-24 | 2020-06-05 | 中国水产科学研究院长江水产研究所 | Fixed net suitable for researching fish migration |
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| Publication number | Publication date |
|---|---|
| CN110313448B (en) | 2024-10-15 |
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