CN109601444A - Improve the Ecology pond for producing viscid egg fish reproduction - Google Patents
Improve the Ecology pond for producing viscid egg fish reproduction Download PDFInfo
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- CN109601444A CN109601444A CN201811535890.0A CN201811535890A CN109601444A CN 109601444 A CN109601444 A CN 109601444A CN 201811535890 A CN201811535890 A CN 201811535890A CN 109601444 A CN109601444 A CN 109601444A
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- fish
- spawning
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- 241000251468 Actinopterygii Species 0.000 title claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 108
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 63
- 235000013601 eggs Nutrition 0.000 abstract description 25
- 230000017448 oviposition Effects 0.000 abstract description 19
- 230000004083 survival effect Effects 0.000 abstract description 12
- 230000006698 induction Effects 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 239000004576 sand Substances 0.000 description 10
- 102000002322 Egg Proteins Human genes 0.000 description 9
- 108010000912 Egg Proteins Proteins 0.000 description 9
- 238000010276 construction Methods 0.000 description 9
- 210000004681 ovum Anatomy 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000009395 breeding Methods 0.000 description 4
- 230000001488 breeding effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 230000003020 moisturizing effect Effects 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 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
- A01K61/17—Hatching, e.g. incubators
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/60—Fishing; Aquaculture; Aquafarming
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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
It is a kind of to improve the Ecology pond for producing viscid egg fish reproduction, it includes spawning pond, upstream passageway and downstream passage, pass through the upstream passageway and downstream passage of the both ends setting and its connection of the spawning pond in arcuate structure, upstream passageway and downstream passage are located at river side and river and spawning pond connection, it is intake naturally by upstream passageway, downstream passage natural drainage enters in spawning pond in downstream passage formation torrent induction fish and lays eggs, passes through the water level in drop weir control spawning pond.Change the present invention overcomes original hydro-power station diurnal courses and changes aquatic environment; it is exposed to make to produce viscous demersal egg fish oviposition; the low problem of survival rate; it is simple with structure; the viscous demersal egg of fish output in spawning pond will not reveal beach because of SEA LEVEL VARIATION; the survival rate for improving fish-egg is conducive to the characteristics of protecting river aquatic environment.
Description
Technical field
The invention belongs to river course environment technical fields, are related to a kind of Ecology pond improved and produce viscid egg fish reproduction.
Background technique
On the one hand various types of power stations of the abundant River Construction of hydroelectric resources have driven local economy and hair
Exhibition provides a large amount of electric power energy, on the other hand also brings certain influence to local river ecological environment, change
The original aquatic ecological environment in the river Jian Ba, especially habitat of fish.With people's ecological environment shadow caused by hydroelectric development
Sound is increasingly paid attention to, and many conservation measures are taken the habitat for restoring and improving fish.
More for the protection of hydroelectric development arealriver habitat of fish at present concentrates on the extensive of spawning ground habitat conditions
In multiple and construction, the superiority and inferiority in spawning ground habitat directly influences the stabilization and sustainable development of fish population, to spawning ground habitat
Restore mainly to eliminate and mitigation mankind's hydroelectric development activity is coerced caused by habitat, the habitat item before being restored to exploitation as far as possible
Part, such as releasing for ecological flow is increased, flow and the depth of water that power station gate dam downstream subtracts dehydration section can be increased, alleviate fish
The stress that class is subject to.And the type and characteristic mainly laid eggs according to different fish are built to spawning ground habitat, targetedly seek
The region with the geomorphic units such as pool or shoal is made, by meeting fish for factors of the habitat such as the spawning ground depth of water and substrates
Demand, natural propagation of the Lai Shixian fish in river.
The section that existing fish spawning ground habitat protection technique is mainly implemented is mostly the relatively stable section of water, water level
It will not rise suddenly and fall suddenly, even water also compares compared with the Tao River of native state reduction, the depth of water and water in the daytime or even between week
It is more stable.But the power station adjusted radial-flow type day will lead to water level daily amplitude under the power station dam larger, water level meeting in the short time
There is biggish variation, can lay eggs to fish cause great influence in this case, increase release ecological flow and construction
The conditions such as suitable substrate, the depth of water can not overcome water level rise suddenly suddenly fall bring influence.Such as: it produces viscous demersal egg fish and is more than
Bank shoal is on cobble or gravel and lays eggs, or fish-egg is embedded in river sand, but the power station downstream that radial-flow type day is adjusted
Water level can significantly change, and cause fish-egg to reveal beach when water level reduces, greatly reduce the survival rate of fish-egg, seriously affect the river
The existence and breeding of section fish.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of Ecology pond for improving production viscid egg fish reproduction, structures
Simply, it uses in side as the upstream passageway and downstream passage of the both ends of the spawning pond of arcuate structure setting and its connection, upstream
Channel and downstream passage and river connection are intake naturally and are drained, and form torrent induction fish in downstream passage and enter in spawning pond
Oviposition, drop weir control the water level in spawning pond, and the viscous demersal egg of fish output in spawning pond will not reveal because of SEA LEVEL VARIATION
Beach improves the survival rate of fish-egg, is conducive to protect river aquatic environment.
In order to solve the above technical problems, the technical scheme adopted by the invention is that: a kind of raising production viscid egg fish reproduction
Ecology pond, it includes spawning pond, upstream passageway and downstream passage；The upstream passageway and downstream passage are located at oviposition
Pond side and its connection, upstream passageway are intake naturally, downstream passage natural drainage；The upstream passageway gradually expands along water inlet
Greatly, downstream passage is gradually reduced along discharge outlet；Lowest water level in the spawning pond is controlled by the drop weir of downstream passage.
The spawning pond includes being made of embankment and barricade enclosing, and barricade is outwardly projecting arcuate structure, and upstream is logical
The barricade of the water inlet direction towards arc in road.
The upstream passageway includes multiple gravel slots in inlet channel, inlet channel and spawning pond connection, and water inlet is in
Horn-like, canal bottom is along water inlet direction in upwards skewed.
The downstream passage includes drop weir and multiple gravel slots in drainage ditch, drainage ditch and spawning pond connection, draining
The tapered shape of mouth, canal bottom is along drainage direction in downwards skewed, and weir of dropping is close to the side of spawning pond.
The gravel slot is the triangle strip shape body to raise upward, and groove is arranged in upward one side.
The weir upper side height on the drop weir is higher than spawning pond bottom of pond.
A kind of to improve the Ecology pond for producing viscid egg fish reproduction, it includes spawning pond, upstream passageway and downstream passage；On
Trip channel and downstream passage are located at spawning pond side and its connection, and upstream passageway is intake naturally, downstream passage natural drainage；
Upstream passageway is gradually expanded along water inlet, and downstream passage is gradually reduced along discharge outlet；Lowest water level in spawning pond is led to by downstream
The drop weir in road controls.Structure is simple, by the upstream passageway of the setting of the both ends of the spawning pond in arcuate structure and its connection and
Downstream passage, upstream passageway and downstream passage are located at river side and river and spawning pond connection, by upstream passageway naturally into
Water, downstream passage natural drainage enter in spawning pond in downstream passage formation torrent induction fish and lay eggs, pass through the control of drop weir
The viscous demersal egg of water level in spawning pond, fish output in spawning pond will not reveal beach because of SEA LEVEL VARIATION, improve fish-egg
Survival rate is conducive to protect river aquatic environment.
In the preferred scheme, spawning pond includes being made of embankment and barricade enclosing, and barricade is outwardly projecting arc
Structure, barricade of the water inlet direction towards arc of upstream passageway.Structure is simple, and when construction, embankment is located at oviposition close to river
It is formed linearly on the inside of pond, the barricade with embankment respective side is at outwardly projecting arc shape parabolic structure, raised vertex
Close to the side of upstream passageway, washed away when water body enters spawning pond from upstream passageway to the flowing of the barricade inner wall of arc, than protection
The flow velocity of dike side is fast, and fish can inhabit production in the metastable region of embankment side flow velocity after entering spawning pond
Ovum；The bottom of pond of spawning pond is successively laid with large gravel bed, small gravel layer, river sand layer upwards, and river sand layer plants the aquatic of interleaved
Plant, emergent aquactic plant or hygrophyte form Ecology, are conducive to fish oviposition.
In the preferred scheme, upstream passageway includes multiple gravel slots in inlet channel, and inlet channel and spawning pond join
Logical, water inlet is in horn-like, and canal bottom is along water inlet direction in upward skewed.Structure is simple, upstream passageway and river connection, water
Body enters spawning pond from upstream passageway, when water body enters, from the upstream passageway of the horn-like structure in the smaller one end in cross section to transversal
The biggish one end flowing in face, forms in water body inlet port and oppresses, increase the initial flow rate of water body injection spawning pond, increase spawning pond
Interior oxygen content of water avoids water body in spawning pond from not flowing, and is unfavorable for laying eggs；Oblique canal bottom forms drop, favorably
Initial flow rate when accelerating water body to enter inlet channel；The drop effect that torrent is formed, the fish edge after being conducive to induced spawning
Upstream passageway enters main stem and continues to complete remaining life and makes.
In the preferred scheme, downstream passage includes the drop weir in drainage ditch and multiple gravel slots, drainage ditch and oviposition
Pond connection, the tapered shape of discharge outlet, canal bottom is along drainage direction in downwards skewed, and weir of dropping is close to the side of spawning pond.Knot
Structure is simple, and when construction, the upper side of downstream passage is lower than the upper side of upstream passageway, forms height fall, is conducive to water body not
Disconnected to enter after spawning pond in downstream passage formation overflow, the water body of overflow enters in drainage ditch after overflowing from drop weir；Taper knot
The drainage ditch of structure forms compressing at the discharge outlet of the smaller one end in cross section, accelerates the flow velocity that discharge is let out under water body, at this under
The flow velocity let out is greater than the flow velocity of main stem, is conducive to that breeding fish class is induced to enter production along downstream passage adverse current from main stem downstream
In ovum pond；Make at this in canal bottom oblique downwards conducive to the water volume flow rate that acceleration is overflowed out of spawning pond along drainage direction
Water flow velocity is greater than main stem water flow velocity, is conducive to attracting.
In the preferred scheme, gravel slot is the triangle strip shape body to raise upward, and groove is arranged in upward one side.Structure
Simply, the gravel slot structure of triangle strip is stablized, and intensity is high, lays in groove by gravel and river sand layer, and plant aquatic plant
Object, water plant grow here, form good microorganism, are conducive to that fish is induced to look for food, into spawning pond.
In the preferred scheme, drop weir weir upper side height be higher than spawning pond bottom of pond.Structure is simple, and drop weir is
Trench structure, weir upper side are higher by the bottom of pond of spawning pond, change in main stem water level, not to spawning pond moisturizing when, produce
Still water can be stored in ovum pond, water level is maintained at 30 ~ 50cm depth, does not influence the development of ovum after fish oviposition, fish-egg will not be made naked
Dew；The runoff that power station adjusts water is intermittent adjusting, and after letdown flow increases, the water body of main stem is again introduced into spawning pond
So that water body is restored flowing, improves fish-egg survival rate.
A kind of to improve the Ecology pond for producing viscid egg fish reproduction, it includes spawning pond, upstream passageway and downstream passage, is led to
Cross the upstream passageway and downstream passage in the both ends of the spawning pond of arcuate structure setting and its connection, upstream passageway and downstream passage
It positioned at river side and river and spawning pond connection, is intake naturally by upstream passageway, downstream passage natural drainage is logical in downstream
Road forms torrent induction fish and enters oviposition in spawning pond, and the water level in spawning pond is controlled by drop weir.The present invention overcomes
The variation of original hydro-power station diurnal courses changes aquatic environment, makes to produce exposed, the low problem of survival rate of viscous demersal egg fish oviposition, has knot
Structure is simple, and the viscous demersal egg of fish output in spawning pond will not reveal beach because of SEA LEVEL VARIATION, improves the survival rate of fish-egg, has
The characteristics of conducive to protection river aquatic environment.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the longitudinal cross-section structural schematic diagram of Fig. 1.
Fig. 3 is the cross-sectional structure schematic diagram of Fig. 1.
Fig. 4 is usage state diagram of the invention.
In figure: spawning pond 1, embankment 11, barricade 12, upstream passageway 2, inlet channel 21, downstream passage 3, drainage ditch 31 fall
Mill weir 32, gravel slot 4.
Specific embodiment
In Fig. 1 ~ Fig. 4, a kind of to improve the Ecology pond for producing viscid egg fish reproduction, it includes spawning pond 1, upstream passageway
2 and downstream passage 3；The upstream passageway 2 and downstream passage 3 are located at 1 side of spawning pond and its connection, and upstream passageway 2 is certainly
So water inlet, 3 natural drainage of downstream passage；The upstream passageway 2 is gradually expanded along water inlet, downstream passage 3 along discharge outlet gradually
It reduces；Lowest water level in the spawning pond 1 is controlled by the drop weir 32 of downstream passage 3.Structure is simple, by arcuate structure
Spawning pond 1 both ends setting and the upstream passageway 2 and downstream passage 3 of its connection, upstream passageway 2 and downstream passage 3 are located at river
Road side and 1 connection of river and spawning pond, are intake naturally by upstream passageway 2,3 natural drainage of downstream passage, in downstream passage 3
It forms torrent induction fish and enters oviposition in spawning pond 1, the water level in spawning pond 1 is controlled by drop weir 32, fish are laying eggs
The viscous demersal egg of output will not reveal beach because of SEA LEVEL VARIATION in pond 1, improve the survival rate of fish-egg, be conducive to protect river aquatic
Environment.
In preferred scheme, the spawning pond 1 includes being made of embankment 11 and the enclosing of barricade 12, and barricade 12 is to evagination
Arcuate structure out, barricade 12 of the water inlet direction towards arc of upstream passageway 2.Structure is simple, and when construction, embankment 11 is close
River is located on the inside of spawning pond 1 and is formed linearly, and the barricade 12 with 11 respective side of embankment is at outwardly projecting arc shape parabolic
Cable architecture, raised vertex is close to the side of upstream passageway 2, to the barricade of arc when water body enters spawning pond 1 from upstream passageway 2
The flowing of 12 inner walls is washed away, and the flow velocity than 11 side of embankment is fast, and fish can be close to 11 side of embankment after entering spawning pond 1
Flow velocity inhabites oviposition in metastable region；The bottom of pond of spawning pond 1 is successively laid with large gravel bed, small gravel layer, river sand upwards
Layer, river sand layer plant water plant, emergent aquactic plant or the hygrophyte of interleaved, form Ecology, are conducive to fish oviposition.
In preferred scheme, the upstream passageway 2 includes multiple gravel slots 4 in inlet channel 21, inlet channel 21 with
1 connection of spawning pond, water inlet is in horn-like, and canal bottom is along water inlet direction in upward skewed.Structure is simple, upstream passageway 2 with
River connection, water body enters spawning pond 1 from upstream passageway 2, when water body enters, from the upper of the horn-like structure in the smaller one end in cross section
It swims channel 2 to flow to the biggish one end in cross section, is formed and oppressed in water body inlet port, increase the initial of water body injection spawning pond 1
Flow velocity increases the oxygen content of water in spawning pond 1, avoids water body in spawning pond 1 from not flowing, be unfavorable for laying eggs；Oblique
Canal bottom forms drop, is conducive to initial flow rate when water body being accelerated to enter inlet channel 21；The drop effect that torrent is formed, is conducive to
Fish after induced spawning, which continue to complete remaining life into main stem along upstream passageway 2, to be made.
In preferred scheme, the downstream passage 3 includes drop weir 32 and multiple gravel slots 4 in drainage ditch 31, draining
Canal 31 and 1 connection of spawning pond, the tapered shape of discharge outlet, along drainage direction in downwards skewed, drop weir 32 is close to be produced at canal bottom
The side in ovum pond 1.Structure is simple, and when construction, the upper side of downstream passage 3 is lower than the upper side of upstream passageway 2, forms height and falls
Difference is conducive to water body and constantly enters after spawning pond 1 in the formation overflow of downstream passage 3, after the water body of overflow is overflowed from drop weir 32
Into in drainage ditch 31；The drainage ditch 31 of pyramidal structure forms compressing at the discharge outlet of the smaller one end in cross section, accelerates water
The flow velocity that discharge is let out under body, at this under the flow velocity let out be greater than the flow velocity of main stem, be conducive to induce breeding fish class under main stem
Trip enters in spawning pond 1 along 3 adverse current of downstream passage；Along drainage direction in canal bottom oblique downwards, it is conducive to accelerate from production
The water volume flow rate overflowed in ovum pond 1 makes water flow velocity at this be greater than main stem water flow velocity, is conducive to attracting.
In preferred scheme, the gravel slot 4 is the triangle strip shape body to raise upward, and groove is arranged in upward one side.
Structure is simple, 4 stable structure of gravel slot of triangle strip, and intensity is high, lays in groove by gravel and river sand layer, and plant water
Plant, water plant grow here, form good microorganism, are conducive to that fish is induced to look for food, into spawning pond 1.
In preferred scheme, the weir upper side height on the drop weir 32 is higher than 1 bottom of pond of spawning pond.Structure is simple, falls
Mill weir 32 is trench structure, and weir upper side is higher by the bottom of pond of spawning pond 1, changes in main stem water level, not to spawning pond 1
When moisturizing, water still can be stored in spawning pond 1, water level is maintained at 30 ~ 50cm depth, does not influence the development of ovum after fish oviposition, no
Fish-egg can be made exposed；The runoff that power station adjusts water is intermittent adjusting, and after letdown flow increases, the water body of main stem is again
So that water body is restored flowing into spawning pond 1, improves fish-egg survival rate.
It is as described above to improve the Ecology pond for producing viscid egg fish reproduction, when installing and using, in the oviposition of arcuate structure
The upstream passageway 2 and downstream passage 3 of the both ends setting and its connection in pond 1, upstream passageway 2 and downstream passage 3 are located at river side
With 1 connection of river and spawning pond, upstream passageway 2 is intake naturally, 3 natural drainage of downstream passage, is formed torrent in downstream passage 3 and is lured
It leads fish and enters the interior oviposition of spawning pond 1, drop weir 32 controls the water level in spawning pond 1, and fish the viscous of output in spawning pond 1 is sunk
Property ovum will not because of SEA LEVEL VARIATION reveal beach, improve the survival rate of fish-egg, be conducive to protect river aquatic environment.
When construction, embankment 11 is located on the inside of spawning pond 1 and is formed linearly, with 11 respective side of embankment close to river
Barricade 12 is at outwardly projecting arc shape parabolic structure, and close to the side of upstream passageway 2, water body is logical from upstream on raised vertex
It is washed away when road 2 enters spawning pond 1 to the flowing of 12 inner wall of barricade of arc, the flow velocity than 11 side of embankment is fast, and fish are entering
After spawning pond 1 oviposition can be being inhabited in the 11 metastable region of side flow velocity of embankment；The bottom of pond of spawning pond 1 upwards according to
Secondary laying large gravel bed, small gravel layer, river sand layer, the water plant, emergent aquactic plant or humidogene that river sand layer plants interleaved are planted
Object forms Ecology, is conducive to fish oviposition.
Upstream passageway 2 and river connection, water body enters spawning pond 1 from upstream passageway 2, when water body enters, from cross section compared with
The upstream passageway 2 of the small horn-like structure in one end is flowed to the biggish one end in cross section, is formed and is oppressed in water body inlet port, and water is increased
Body injects the initial flow rate of spawning pond 1, increases the oxygen content of water in spawning pond 1, avoids water body in spawning pond 1 from not flowing, no
Conducive to oviposition；Oblique canal bottom forms drop, is conducive to initial flow rate when water body being accelerated to enter inlet channel 21；Torrent shape
At drop effect, fish after being conducive to induced spawning, which continue to complete remaining life into main stem along upstream passageway 2, to be made.
When construction, the upper side of downstream passage 3 is lower than the upper side of upstream passageway 2, forms height fall, is conducive to water body
Constantly enter after spawning pond 1 and form overflow in downstream passage 3, the water body of overflow enters drainage ditch 31 after overflowing from drop weir 32
It is interior；The drainage ditch 31 of pyramidal structure forms compressing at the discharge outlet of the smaller one end in cross section, accelerates and lets out discharge under water body
Flow velocity, at this under the flow velocity let out be greater than the flow velocity of main stem, be conducive to induce breeding fish class from main stem downstream along downstream passage 3
Adverse current enters in spawning pond 1；Along drainage direction in canal bottom oblique downwards, overflowed out of spawning pond 1 conducive to acceleration
Water volume flow rate makes water flow velocity at this be greater than main stem water flow velocity, is conducive to attracting.
4 stable structure of gravel slot of triangle strip, intensity is high, lays in groove by gravel and river sand layer, and plant water
Plant, water plant grow here, form good microorganism, are conducive to that fish is induced to look for food, into spawning pond 1.
Drop weir 32 is trench structure, and weir upper side is higher by the bottom of pond of spawning pond 1, changes in main stem water level,
When not to 1 moisturizing of spawning pond, water still can be stored in spawning pond 1, water level is maintained at 30 ~ 50cm depth, after not influencing fish oviposition
The development of ovum will not make fish-egg exposed；The runoff that power station adjusts water is intermittent adjusting, after letdown flow increases, main river
The water body in road, which is again introduced into spawning pond 1, makes water body restore flowing, improves fish-egg survival rate.
The above embodiments are only the preferred technical solution of the present invention, and are not construed as limitation of the invention, this Shen
Please in embodiment and embodiment in feature in the absence of conflict, can mutual any combination.Protection model of the invention
The technical solution that should be recorded with claim is enclosed, the equivalent replacement side of technical characteristic in the technical solution recorded including claim
Case is protection scope.Equivalent replacement i.e. within this range is improved, also within protection scope of the present invention.
Claims (6)
1. a kind of improve the Ecology pond for producing viscid egg fish reproduction, it is characterized in that: it includes spawning pond (1), upstream passageway (2)
With downstream passage (3)；The upstream passageway (2) and downstream passage (3) are located at spawning pond (1) side and its connection, upstream
Channel (2) intakes naturally, downstream passage (3) natural drainage；The upstream passageway (2) is gradually expanded along water inlet, downstream passage
(3) it is gradually reduced along discharge outlet；Lowest water level in the spawning pond (1) is controlled by the drop weir (32) of downstream passage (3).
2. according to claim 1 improve the Ecology pond for producing viscid egg fish reproduction, it is characterized in that: the spawning pond
It (1) include being made of embankment (11) and barricade (12) enclosing, barricade (12) is outwardly projecting arcuate structure, upstream passageway
(2) barricade (12) of the water inlet direction towards arc.
3. according to claim 1 improve the Ecology pond for producing viscid egg fish reproduction, it is characterized in that: the upstream passageway
It (2) include multiple gravel slots (4) in inlet channel (21), inlet channel (21) and spawning pond (1) connection, water inlet is in loudspeaker
Shape, canal bottom is along water inlet direction in upwards skewed.
4. according to claim 1 improve the Ecology pond for producing viscid egg fish reproduction, it is characterized in that: the downstream passage
It (3) include the drop weir (32) in drainage ditch (31) and multiple gravel slots (4), drainage ditch (31) and spawning pond (1) connection, draining
The tapered shape of mouth, canal bottom is along drainage direction in downward skewed, side of drop weir (32) close to spawning pond (1).
5. according to claim 3 or 4 improve the Ecology pond for producing viscid egg fish reproduction, it is characterized in that: the gravel
Slot (4) is the triangle strip shape body to raise upward, and groove is arranged in upward one side.
6. according to claim 4 improve the Ecology pond for producing viscid egg fish reproduction, it is characterized in that: the drop weir
(32) weir upper side height is higher than spawning pond (1) bottom of pond.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811535890.0A CN109601444B (en) | 2018-12-14 | 2018-12-14 | Improve bionical attitude pond of laying viscidity ovum fish breed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811535890.0A CN109601444B (en) | 2018-12-14 | 2018-12-14 | Improve bionical attitude pond of laying viscidity ovum fish breed |
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| CN109601444A true CN109601444A (en) | 2019-04-12 |
| CN109601444B CN109601444B (en) | 2021-03-09 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111395279A (en) * | 2020-04-20 | 2020-07-10 | 中国电建集团贵阳勘测设计研究院有限公司 | Ecological scheduling system suitable for backtracking of fishes laying adhesive eggs |
| CN113638378A (en) * | 2021-08-23 | 2021-11-12 | 广州市城市规划勘测设计研究院 | Continuous flow ecological bypass type nature-imitated fishway |
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| CN115349474A (en) * | 2022-08-01 | 2022-11-18 | 水利部中国科学院水工程生态研究所 | Culture nest for migratory spawning reproduction of adhesive spawning fishes and method for enabling juvenile fishes to pass through dam |
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| CN115005133A (en) * | 2022-07-22 | 2022-09-06 | 中国科学院南京地理与湖泊研究所 | Construction method of spawning site for upstream spawning fishes in natural lake brook |
| CN115349474A (en) * | 2022-08-01 | 2022-11-18 | 水利部中国科学院水工程生态研究所 | Culture nest for migratory spawning reproduction of adhesive spawning fishes and method for enabling juvenile fishes to pass through dam |
| CN115349474B (en) * | 2022-08-01 | 2024-05-28 | 水利部中国科学院水工程生态研究所 | Migration spawning propagation culture nest for stickness spawning fishes and dam passing method for young fishes |
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