CN109548709A - A method of auxiliary fish anadromous migration - Google Patents
A method of auxiliary fish anadromous migration Download PDFInfo
- Publication number
- CN109548709A CN109548709A CN201811201549.1A CN201811201549A CN109548709A CN 109548709 A CN109548709 A CN 109548709A CN 201811201549 A CN201811201549 A CN 201811201549A CN 109548709 A CN109548709 A CN 109548709A
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- fish
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- water channel
- migration
- auxiliary
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- 241000251468 Actinopterygii Species 0.000 title claims abstract description 92
- 230000005012 migration Effects 0.000 title claims abstract description 52
- 238000013508 migration Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims abstract description 29
- 230000006698 induction Effects 0.000 claims abstract description 26
- 238000011144 upstream manufacturing Methods 0.000 claims description 10
- 230000008602 contraction Effects 0.000 claims description 7
- 238000004088 simulation Methods 0.000 claims description 3
- 210000001364 upper extremity Anatomy 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 12
- 230000004083 survival effect Effects 0.000 abstract description 7
- 208000027418 Wounds and injury Diseases 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 4
- 208000014674 injury Diseases 0.000 abstract description 4
- 230000001939 inductive effect Effects 0.000 abstract 1
- 238000013461 design Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 206010063036 Spinal cord oedema Diseases 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 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
- A01K61/00—Culture of aquatic animals
- A01K61/10—Culture of aquatic animals of fish
-
- 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
Landscapes
- 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 discloses a kind of methods for assisting fish anadromous migration comprising step: the device of auxiliary fish anadromous migration (a) is arranged in river, which includes: induction leader；Trap water channel；Collect fishpond, being equipped in the collection fishpond can handling fish gathering pond；Enter water water channel；(b) bait is placed in the collection fishpond, controlled into water water flow, inducing can handling fish gathering pond described in Fish of interest migration entrance；(c) Fish of interest enter described in can handling fish gathering Chi Zhonghou, sling and be transported to target water together with fish tape water.The present invention combines the attractive effect of water flow, fixation fish-aggregating device and bait, Fish of interest is trapped actively to assemble to collection fishpond, significantly improve the gathering effect of Fish of interest, Fish of interest body injury caused by squeezing because of netting gear is substantially reduced, and then effectively improves the efficiency of auxiliary migration and the survival rate of fish migration.
Description
Technical field
The invention belongs to fishery facilities technical fields, and in particular to a method of auxiliary fish anadromous migration.
Background technique
In recent years due to engineering constructions such as River System Hydropower stations, river vertical communication is caused to be obstructed, upstream and downstream water body is in geography
Spatially be continually subjected to obstruct, the bioprocess of straddling fish stocks is continuously affected greatly, is whirled both at home and abroad frequently with build
The method in channel is swum to reduce industrial plants construction negative effect caused by straddling fish stocks.Since the 1960s,
The built migration channel in China is more than 40, such as Xiang River soil paddy pond fish road, Cuijiaying fish pass, has also been carried out a variety of
Fish pass Lectotype Optimization research, but from the point of view of analysis, domestic most of fish pass is discarded because operation is undesirable, part fish
Road has not just monitored that fish passes through after build up, and the factors such as ecological effect and migration object, natural environment are related, is not suitable for
All hydraulic engineerings；In addition fish pass construction is costly, for the more demanding of geographical conditions.Therefore how hydraulic engineering is reduced
Influence to straddling fish stocks still remains larger problem.
Summary of the invention
What the present invention needed to solve is to provide a kind of method for assisting fish to complete anadromous migration, reduces hydraulic engineering
The negative effect to straddling fish stocks is built, to improve the efficiency of auxiliary migration and the survival rate of fish migration.
It should be noted that " entrance " and " outlet " is according to fish migration (with water (flow) direction phase in the present invention
Anti-) direction defines, and " upstream " and " downstream " is defined according to the upstream and downstream of water flow.
The method of auxiliary fish anadromous migration of the invention comprising steps of
(a) arrange that the device of auxiliary fish anadromous migration, the device include: in river
Leader is induced, is extended from bank to the korneforos heart；
Trap water channel, along the induction leader opposite direction to riverbank extend, the upstream edge for trapping water channel entrance with
The induction leader connection, the water channel that traps is from entrance to outlet Stepwize Shrink and in several end to end herringbones；
Collect fishpond, is connected to the outlet for trapping water channel, being equipped in the collection fishpond can handling fish gathering pond；
Enter water water channel, downstream is connected to collection fishpond and opposite with the outlet for trapping water channel, and upstream end is connected to river
Road；Entering water flow rate of water flow and flow can artificially control；
(b) bait is placed in the collection fishpond, water water channel is entered described in control enters water water flow, induces Fish of interest migration
Into it is described can handling fish gathering pond；
(c) Fish of interest enter described in can handling fish gathering Chi Zhonghou, sling and be transported to target water together with fish tape water.
In the present invention, auxiliary fish anadromous migration device lay after, streamflow can from it is described enter water water channel into
Enter, then flow sequentially through the collection fishpond and it is described trap water channel, then flow back to river, entering water flow rate of water flow and flow can be according to luring
Collection object artificially controls.And fish adverse current is recalled, and can enter institute by the water channel that traps under the guidance of the induction leader
State collection fishpond.Bait is placed in the collection fishpond, Fish of interest entrance can be trapped, then can pass through Fish of interest can handling
Collection fishpond is transported to target water together with fish tape water, completes auxiliary migration.The present invention combines water flow, fish-aggregating device and bait
Attractive effect, trap Fish of interest actively to collection fishpond assemble, significantly improve the gathering effect of Fish of interest, fish-aggregating device is equal
Using stake fixation in river, netting gear deformation is small, substantially reduces Fish of interest body injury caused by squeezing because of netting gear, and then effectively
Improve the efficiency of auxiliary migration and the survival rate of fish migration.
Preferably, the device of the auxiliary fish anadromous migration is along the multiple laying in river two sides, two sides are corresponding
The induction leader forms herringbone, and there is overlapping in centre but is not connected to.
The induction leader is mainly made of rectangle etting, rete cord, spud pile, floating ball, sinker etc..
Preferably, the end of the induction leader (be directed toward ipsilateral riverbank) inwardly and be bent into it is barb-like.It on the one hand can
On the other hand the stability for increasing the induction leader can further avoid fish and cross the end of the induction leader from another
Laterally upper migration, improves induced efficiency.
Preferably, angle is less than 60 degree between the induction leader and streamflow direction, preferably 30~60 degree.
In the present invention, the water channel that traps from entrance to outlet Stepwize Shrink and in several end to end herringbones,
That is adjacent herringbone, which at least has to have in joint on one side, shrinks replicated structures.Specifically, it is adjacent fall eight
Font, which can be, carries out contraction turnover in joint on one side, while without shrinking turnover, (i.e. adjacent is fallen for opposite another side
It is on same straight line on one side that splayed, which has)；It is of course also possible to be that both sides in joint carry out contraction turnover.
Preferably, inverted beard net is arranged in the contraction turning point of adjacent herringbone in described trap in water channel.The inverted beard
The setting of net can effectively avoid fish migration.
Preferably, the contraction turning point of the adjacent herringbone for trapping water channel is arranged at both sides interval.
Preferably, being equipped with the moveable fish gathering mesh sheet of three pieces in the collection fishpond, wherein two panels is arranged in parallel, in mesh
Mark fish enter it is described collection fishpond after by it is described trap water channel outlet and it is described enter water water channel downstream connect and will described in
Collection fishpond separates；Another for when trapping Fish of interest by it is described enter water water channel downstream seal.
Preferably, it is described can handling fish gathering pond specification agree with the collection fishpond, and fixed bracket is surrounded by, on pool wall
Moveable anti-escape mesh sheet is arranged in edge, and pool wall side is equipped with release window.By can handling fish gathering pond design, it can be achieved that target fish
Class from Spinal Cord Oedema, does not improve the survival rate of fish migration.
Preferably, described trap water channel and collection fishpond bottom of pond laying sandstone simulation nature river.Environment can be reduced to change
Fish stress reaction caused by becoming.
Preferably, it is described enter water water channel be L shape.
The beneficial effects of the present invention are:
1, the present invention combines the attractive effect of water flow, fixation fish-aggregating device and bait, traps Fish of interest actively to collection
Fishpond aggregation, significantly improves the gathering effect of Fish of interest, traps device using fixation, fish-aggregating device is all made of a fixation in river
Road, netting gear deformation is small, can substantially reduce Fish of interest body injury caused by squeezing because of netting gear, and then effectively improve auxiliary migration
Efficiency and fish migration survival rate.
2, the present invention is trapping water channel, collection fishpond laying sandstone, natural river course substrate is simulated, caused by reduction environment changes
Fish stress reaction.
3, the present invention by design can handling fish gathering pond, it can be achieved that Fish of interest improves fish migration not from Spinal Cord Oedema
Survival rate.
4, the corresponding induction leader in present invention design two sides forms herringbone, and there is overlapping in centre but is not connected to,
Both the biologies such as upstream fish can have been dredged to go downstream, it is also expansible to trap range, improve gathering effect.
5, in the device for the auxiliary fish anadromous migration that the present invention arranges, it is described enter water water channel and to trap water channel solid for riverbank
Determine structure, and collecting-tank is small by water impact, while the induction leader is obliquely installed with streamflow relatively, avoids vertical
The phenomenon that will receive larger water impact when setting.The structure design of whole device effectively reduces water impact in a word, consolidates
And it is unlikely to deform.
Detailed description of the invention
Fig. 1 is the layout diagram of the device of auxiliary fish anadromous migration of the invention；
Fig. 2 is the partial schematic diagram of the device of auxiliary fish anadromous migration of the invention；
Fig. 3 be it is of the invention can handling fish gathering pond structural schematic diagram.
Appended drawing reference
River 1 enters water water channel 2, collects fishpond 3, traps water channel 4, induces leader 5, fish gathering mesh sheet 6, inverted beard net 7, fixed branch
Frame 8, anti-escape mesh sheet 9, release window 10.
Specific embodiment
Below in conjunction with specific embodiments and the drawings, the invention will be further described.It should be understood that following embodiment is only used for
It illustrates rather than for limiting the scope of the invention.
Embodiment 1
Fig. 1 shows the device of auxiliary fish anadromous migration of the invention, multiple can be laid in 1 two sides of river, such as Fig. 1
It is shown, it is influenced by length, opposite double in left and right is only shown in figure.The device includes: into water water channel 2, collection fishpond 3, traps water
Road 4 and induction leader 5.
Wherein induction leader 5 is extended from bank to the korneforos heart；Angle is less than 60 between induction leader 5 and streamflow direction
Degree, preferably 30~60 degree.Preferably, it is barb-like to induce the end of leader 5 to be bent into inwardly.The corresponding induction leader in two sides
There are overlapping in 5 composition herringbones, centre but are not connected to.
It traps water channel 4 and extends along induction 5 opposite direction of leader to riverbank, trap the upstream edge and induction net of 4 entrance of water channel
Wall 5 connects, and traps water channel 4 from entrance to outlet Stepwize Shrink and in several end to end herringbones and (shows 3 in figure
Herringbone)；The contraction turning point for trapping the adjacent herringbone of water channel 4 is arranged at both sides interval, and transfers shrinking
Place's setting inverted beard net 7.
Collection fishpond 3 is connected to the outlet for trapping water channel 4；Enter water water channel 2 be L shape, downstream be connected to collection fishpond 3 and with lure
The outlet of gallery 4 is opposite, enters 2 upstream end of water water channel and is connected to river 1, enters the flow velocity and flow for entering water water flow of water water channel 2
It is believed that control.Collect and be equipped with the moveable fish gathering mesh sheet 6 of three pieces in fishpond 3, wherein two panels, which is arranged in parallel, will trap going out for water channel 4
Mouth connects with the downstream for entering water water channel 2 and separates collection fishpond 3, and another seals the downstream for entering water water channel 2.
Preferably, trapping 4 sum aggregate fishpond of water channel, 3 bottom of pond is laid with sandstone simulation nature river.
Preferably, nested be equipped with can handling fish gathering pond in collection fishpond 3.Can handling fish gathering pond specification with collection fishpond 3 agree with, such as
Shown in Fig. 3, can handling fish gathering pond be surrounded by fixed bracket 8 and facilitate allocation and transportation.Moveable anti-escape mesh sheet 9 is arranged in pool wall upper limb,
Fish flight is trapped when for preventing lifting.Pool wall side is equipped with release window 10, convenient for release transhipment fish.
A kind of method of auxiliary fish anadromous migration of the invention, comprising steps of
(a) device of multiple auxiliary fish anadromous migration is laid in 1 two sides of river as described above；
(b) bait is placed in collection fishpond 3, controls and enter water water flow into water water channel 2, induction Fish of interest migration enters can
Handling collection fishpond；
(c) Fish of interest enter can handling fish gathering Chi Zhonghou, sling and be transported to target water together with fish tape water.
After the device of auxiliary fish anadromous migration of the invention is laid, streamflow can enter from water water channel 2 is entered, so
Afterwards followed by collecting fishpond 3 and trapping water channel 4, river 1 is being flowed back to, is entering water flow rate of water flow and flow can be artificial according to object is trapped
Control.And fish adverse current is recalled, and can enter collection fishpond 3 by trapping water channel 4 under the guidance of induction leader 5.In the fishpond Ke Ji 3
Bait can be placed, while taking away intermediate two panels fish gathering mesh sheet 6, the downstream end seal of water water channel 2 will be entered with another fish gathering mesh sheet 6
Firmly, it can quickly be trapped with this Fish of interest into collection fishpond 3.After Fish of interest enters, putting down fish gathering mesh sheet 6 prevents fish from going out
Go, then can handling fish gathering pond be hung to mating living animal transport vehicle, destination is transported to together with fish tape water, then can handling
Collection fishpond is slowly put into target water, after flooding, opens release window 10, release transhipment fish realize that fish does not turn from water
Fortune completes auxiliary migration.
The present invention can integrate the attractive effect of water flow, fixation fish-aggregating device and bait, trap Fish of interest actively to fish gathering
Pond aggregation significantly improves the gathering effect of Fish of interest, and fish-aggregating device is all made of a fixation in river, and netting gear deformation is small, can be big
Fish of interest body injury caused by big reduction is squeezed because of netting gear, and then effectively improve the efficiency and fish migration for assisting migration
Survival rate.In addition, entering water water channel 2 and trapping water channel 4 is riverbank in the device for the auxiliary fish anadromous migration arranged in the present invention
Fixed structure, and collecting-tank 3 is small by water impact, while leader 5 being induced to be obliquely installed relatively with streamflow, avoids vertical
The phenomenon that will receive larger water impact when setting.The structure design of whole device effectively reduces water impact in a word, consolidates
And it is unlikely to deform.
The preferred embodiment of the present invention has been described in detail above, but the invention is not limited to implement
Example, those skilled in the art are without prejudice to can also make various equivalent modifications under precondition for innovation of the present invention or replace
It changes, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.
Claims (10)
1. it is a kind of assist fish anadromous migration method, which is characterized in that itself comprising steps of
(a) device of Yu Hedao (1) arrangement auxiliary fish anadromous migration, the device include:
It induces leader (5), is extended from bank to the korneforos heart；
Water channel (4) are trapped, are extended along induction leader (5) opposite direction to riverbank, the upstream for trapping water channel (4) entrance
Side is connect with the induction leader (5), and the water channel (4) that traps is from entrance to outlet Stepwize Shrink and in several end to end
Herringbone；
Collect fishpond (3), is connected to the outlet for trapping water channel (4), being equipped in the collection fishpond can handling fish gathering pond；And
Enter water water channel (2), downstream, which is connected to, collects fishpond (3) and opposite with the outlet for trapping water channel (4), upstream end connection
In river (1)；
(b) bait is placed in the collection fishpond (3), water water channel (2) is entered described in control enters water water flow, and induction Fish of interest is whirled
It can handling fish gathering pond described in trip entrance；
(c) Fish of interest enter described in can handling fish gathering Chi Zhonghou, sling and be transported to target water together with fish tape water.
2. the method for auxiliary fish anadromous migration as described in claim 1, which is characterized in that the dress of auxiliary fish anadromous migration
It sets along the multiple laying in river (1) two sides, the corresponding induction leader (5) in two sides forms herringbone, and there is overlapping in centre
But it is not connected to.
3. the method for auxiliary fish anadromous migration as described in claim 1, which is characterized in that the end of induction leader (5)
End is bent into barb-like inwardly.
4. the method for auxiliary fish anadromous migration as described in claim 1, which is characterized in that the induction leader (5) and river
Angle is 30~60 degree between road water (flow) direction.
5. as described in claim 1 auxiliary fish anadromous migration method, which is characterized in that it is described trap in water channel (4) in
Inverted beard net (7) are arranged in the contraction turning point of adjacent herringbone.
6. the method for auxiliary fish anadromous migration as described in claim 1, which is characterized in that the phase for trapping water channel (4)
The contraction turning point of adjacent herringbone is arranged at both sides interval.
7. the method for auxiliary fish anadromous migration as described in claim 1, which is characterized in that be equipped in the collection fishpond (3)
The moveable fish gathering mesh sheet (6) of three pieces, wherein two panels is arranged in parallel, and being used for will after Fish of interest enters the collection fishpond (3)
The outlet for trapping water channel (4) with it is described enter water water channel (2) downstream connect and separate the collection fishpond (3)；It is another
Piece for when trapping Fish of interest by it is described enter water water channel (2) downstream seal.
8. as described in claim 1 auxiliary fish anadromous migration method, which is characterized in that it is described can handling fish gathering pond specification
Agree with the collection fishpond (3), and be surrounded by fixed bracket (8), moveable anti-escape mesh sheet (9), pond is arranged in pool wall upper limb
Wall side is equipped with release window (10).
9. the method for auxiliary fish anadromous migration as described in claim 1, which is characterized in that described to trap water channel (4) and institute
It states collection fishpond (3) bottom of pond and is laid with sandstone simulation nature river.
10. as described in claim 1 auxiliary fish anadromous migration method, which is characterized in that it is described enter water water channel be L shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811201549.1A CN109548709B (en) | 2018-10-16 | 2018-10-16 | Method for assisting fishes in migration and tracing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811201549.1A CN109548709B (en) | 2018-10-16 | 2018-10-16 | Method for assisting fishes in migration and tracing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109548709A true CN109548709A (en) | 2019-04-02 |
| CN109548709B CN109548709B (en) | 2021-03-26 |
Family
ID=65865118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811201549.1A Active CN109548709B (en) | 2018-10-16 | 2018-10-16 | Method for assisting fishes in migration and tracing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109548709B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110241793A (en) * | 2019-05-20 | 2019-09-17 | 中国水产科学研究院东海水产研究所 | A kind of river straddling fish stocks method for enticing collection |
| CN110313448A (en) * | 2019-07-24 | 2019-10-11 | 中国水产科学研究院长江水产研究所 | A kind of two-way set net for distinguishing fish swimming direction |
| CN110468808A (en) * | 2019-07-09 | 2019-11-19 | 中国电建集团华东勘测设计研究院有限公司 | A kind of river straddling fish stocks fish gathering station |
| CN112267415A (en) * | 2020-09-27 | 2021-01-26 | 杭州王之新创信息技术研究有限公司 | Filtering water channel and river channel cleaning system beneficial to protection of wild fishes |
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| CN2043826U (en) * | 1988-12-14 | 1989-09-06 | 辽宁省大伙房水库管理局水产养殖场 | Fishnet for deep water traps |
| CN2259754Y (en) * | 1996-09-08 | 1997-08-20 | 蔡惠荣 | Fixed net with traps for trapping fish at lower parts of water |
| US5947640A (en) * | 1997-07-31 | 1999-09-07 | Connors; James P | Portable water conveyance assembly |
| CN104294803A (en) * | 2014-10-23 | 2015-01-21 | 四川大学 | Winding type fishway |
| CN206052662U (en) * | 2016-09-30 | 2017-03-29 | 三峡大学 | The device of attracting effect is imported and exported for strengthening fish pass |
| CN207484430U (en) * | 2017-10-26 | 2018-06-12 | 广西交通科学研究院有限公司 | A kind of induction type crosses fish system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2043826U (en) * | 1988-12-14 | 1989-09-06 | 辽宁省大伙房水库管理局水产养殖场 | Fishnet for deep water traps |
| CN2259754Y (en) * | 1996-09-08 | 1997-08-20 | 蔡惠荣 | Fixed net with traps for trapping fish at lower parts of water |
| US5947640A (en) * | 1997-07-31 | 1999-09-07 | Connors; James P | Portable water conveyance assembly |
| CN104294803A (en) * | 2014-10-23 | 2015-01-21 | 四川大学 | Winding type fishway |
| CN206052662U (en) * | 2016-09-30 | 2017-03-29 | 三峡大学 | The device of attracting effect is imported and exported for strengthening fish pass |
| CN207484430U (en) * | 2017-10-26 | 2018-06-12 | 广西交通科学研究院有限公司 | A kind of induction type crosses fish system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110241793A (en) * | 2019-05-20 | 2019-09-17 | 中国水产科学研究院东海水产研究所 | A kind of river straddling fish stocks method for enticing collection |
| CN110468808A (en) * | 2019-07-09 | 2019-11-19 | 中国电建集团华东勘测设计研究院有限公司 | A kind of river straddling fish stocks fish gathering station |
| CN110313448A (en) * | 2019-07-24 | 2019-10-11 | 中国水产科学研究院长江水产研究所 | A kind of two-way set net for distinguishing fish swimming direction |
| CN112267415A (en) * | 2020-09-27 | 2021-01-26 | 杭州王之新创信息技术研究有限公司 | Filtering water channel and river channel cleaning system beneficial to protection of wild fishes |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109548709B (en) | 2021-03-26 |
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