CN108651397A - River mouth intertidal zone biological monitoring net and its construction method - Google Patents
River mouth intertidal zone biological monitoring net and its construction method Download PDFInfo
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- CN108651397A CN108651397A CN201810599381.8A CN201810599381A CN108651397A CN 108651397 A CN108651397 A CN 108651397A CN 201810599381 A CN201810599381 A CN 201810599381A CN 108651397 A CN108651397 A CN 108651397A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 101
- 238000010276 construction Methods 0.000 title description 2
- 241000251468 Actinopterygii Species 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- FWQHNLCNFPYBCA-UHFFFAOYSA-N fluoran Chemical compound C12=CC=CC=C2OC2=CC=CC=C2C11OC(=O)C2=CC=CC=C21 FWQHNLCNFPYBCA-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 238000013461 design Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000007667 floating Methods 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 13
- 230000006698 induction Effects 0.000 abstract description 9
- 241000881711 Acipenser sturio Species 0.000 abstract description 8
- 241001672694 Citrus reticulata Species 0.000 abstract description 7
- 230000004083 survival effect Effects 0.000 abstract description 2
- 235000019688 fish Nutrition 0.000 description 31
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 11
- 230000006378 damage Effects 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000005070 sampling Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 239000002775 capsule Substances 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 241000252335 Acipenser Species 0.000 description 1
- 238000006424 Flood reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K69/00—Stationary catching devices
- A01K69/06—Traps
- A01K69/08—Rigid traps, e.g. lobster pots
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Marine Sciences & Fisheries (AREA)
- Revetment (AREA)
Abstract
The present invention relates to a kind of river mouth intertidal zone biological monitoring nets, including fence net, body net, fish gathering monitoring case；Fence net has supporter and etting, and etting bottom, which is equipped with sinker, makes infraclass sink to the bottom, and fence net is arranged in "eight" shape, establishes in Tideland resources both sides, splay small end is towards ebb water (flow) direction, for guiding aquatile；Fence net angle of inclination is steep after first delaying；Body net is in funnel web frame, and it is rectangular entrance to have rigid frame, fluoran stream surface, and rear portion is round exit, and river bed is close in outlet；The outlet of fish gathering monitoring case and body net, fish gathering monitoring case open topped are simultaneously covered with dismountable mesh sheet；The position of body net is in the position of big flood tide waterline.The inductions such as fence net are crossed by the river mouth intertidal zone biological monitoring Netcom of the present invention; it is acted in conjunction with fluctuation tide; the induction of the aquatiles such as mandarin sturgeon is entered in the fish gathering monitoring case specially designed; it is with good induction and fish-gathering effect; the survival rate for greatly ensureing monitoring biology, to play the role of biological monitoring and protection.
Description
Technical field
The present invention relates to a kind of biological monitoring nets, are a kind of river mouth intertidal zone biological monitoring net and its structure specifically
Method.
Background technology
In the prior art, it is for the method for river mouth intertidal zone biological detection：It is acted in conjunction with fluctuation tide, by water such as mandarin sturgeons
Biology induction enters in the fish gathering monitoring net specially designed, realizes biological monitoring.But it is often used pouch-shaped in the prior art
Structure convergence biology, causes the biological damages such as mandarin sturgeon larger, anti-escape measure also has deficiency, while hauling speed is slower, removable
Dynamic performance is weaker.
Invention content
The object of the present invention is to provide a kind of river mouth intertidal organism prisons for meeting the mutatis mutandis condition of fishing gear, acquiring living body biological
Survey grid is induced by fence net etc., is acted in conjunction with fluctuation tide, and the induction of the aquatiles such as mandarin sturgeon, which is entered the fish gathering specially designed, to be supervised
In measuring tank, realizes living body sampling and complete the effect of monitoring resource, be suitble to the geographical environment and ecology of entrance of Changjiang River shoal area
Environment completes living resources and monitors task in the case where not destroying local ecological resources.
The present invention takes following technical scheme：
A kind of river mouth intertidal zone biological monitoring net, including fence net, body net, fish gathering monitoring case；The fence net has supporter
And etting, etting bottom, which is equipped with sinker, makes infraclass sink to the bottom, and fence net is erected in Tideland resources both sides in "eight" shape setting, and eight
The small end of font is towards ebb water (flow) direction, for guiding aquatile；The angle of inclination of fence net is steep after first delaying；The body net is in leakage
Struggle against web frame, and it is rectangular entrance to have rigid frame, fluoran stream surface, and rear portion is round exit, and river bed is close in outlet；The fish gathering prison
The outlet of measuring tank and body net, fish gathering monitoring case open topped are simultaneously covered with dismountable mesh sheet；The position of the body net is in
The position of big flood tide waterline.
Further, the supporter of fence net is steel pipe, and the steel pipe using height not less than 1.5m, interval 5-10m fixes wall
Net etting, it is ensured that bottom etting is close to mud bottom.
Further, the fish gathering monitoring case is cuboid net cage, in fluoran stream surface, is close to be equipped among bottom and be leaked with body net
The corresponding opening in bucket net outlet can enter monitoring case so as to aquatile, be formed by 6.0m × 2.0m steel pipes of driving piles when laying
Babinet, and fixed etting is hung, diameter of steel tube 15cm.
Further, assembly production after the body net is tensed using the mesh sheet of size of mesh 2.0cm is selected in the both sides of body net
With the web pre fetching consistent with fence net material.
Further, unilateral mesh sheet sheepshank size 1000.0m × 1.5m of the fence net, the horizontal hanging ratio of assembly take
0.707, mesh size 2.0cm, etting use the materials of PE42tex6 × 3, etting bottom to be equipped with enough sinkers and ensure that infraclass is heavy
Bottom, it is exaggerated to be unworthy of buoyancy, upper and lower rete cord diameter 0.5cm；Upper infraclass uses the rope of the Ф 3cm of PE materials；Fence net arc cloth is perpendicular
It stands in Tideland resources both sides, for guiding aquatile to enter body net；Steel using height not less than 1.5m, interval 5-10m
Pipe fixes the etting of fence net, it is ensured that bottom etting is close to mud bottom.
Further, the long 4.0m of funnel structure of the body net, the rectangular entrances of 2.0m × 1.5m are arranged in fluoran stream surface, at rear portion
The round exit of diameter 0.5m is set；Assembly production Criny after being tensed using the mesh sheet of size of mesh 2.0cm, etting are used
The materials of PE42tex6 × 3.
Further, the fish gathering monitoring case Frame Design scale is 6.0m × 2.0m × 1.5m；Fish gathering monitoring case etting
Selection PE42tex8 × 3, mesh size 2.0cm, horizontal hanging ratio takes 0.707 in assembly.
Further, a chip size is installed more than outlet ruler in the top outside the Criny outlet on the inside of fish gathering monitoring case
Very little covering mesh sheet ensures that the aquatile into fish gathering monitoring case can not return to Criny escape, and can be in monitoring net cage certainly
By activity, until staff is sampled.
A kind of building method of river mouth intertidal zone biological monitoring net, includes the following steps：
A fence net) is constructed：Mesh sheet sheepshank size 1000.0m × 1.5m, the horizontal hanging ratio of assembly take 0.707, mesh size
2.0cm, etting use the materials of PE42tex6 × 3, and etting bottom is equipped with enough sinkers and ensures that infraclass is sunk to the bottom, exaggerated to be unworthy of floating
Power, upper and lower rete cord diameter 0.5cm；Upper infraclass uses the rope of PE Ф 3cm；The steel pipe for being spaced 5-10m fixes fence net etting；
B body net) is constructed：The long 4.0m of funnel structure of body net, fluoran stream surface are arranged the rectangular entrances of 2.0m × 1.5m, are set at rear portion
The round exit of diameter 0.5m is set, bottom setting is close in outlet；Assembly production after being tensed using the mesh sheet of size of mesh 2.0cm
Body net, etting use the materials of PE42tex6 × 3；The web pre fetching and peace consistent with fence net material can be selected in the both sides of funnel
Dress technique carries out covering installation；
C fish gathering monitoring case) is constructed：Fish gathering monitoring case is cuboid net cage, and net cage frame drawingdimension is 6.0m × 2.0m
×1.5m；Fish gathering monitoring case etting selection PE42tex8 × 3, mesh size 2.0cm, horizontal hanging ratio takes 0.707 in assembly；
In fluoran stream surface, it is close to the opening corresponding with body net Criny outlet of setting among bottom so that aquatile can enter fish gathering
Monitoring case；One chip size is installed and is more than outlet size covering mesh sheet in the top outside Criny outlet on the inside of fish gathering monitoring case.
The beneficial effects of the present invention are：
1) the net capsule part of traditional filtering fishing gear is transformed into the monitoring case of large space, for into aquatic in networking
Biological freely activity, so that it is guaranteed that acquisition aquatile live body, and avoid individual in net capsule mutually extrudings, anoxic, the extension cheek,
The injury such as scratch is dead, while meeting monitoring resource and the needs of protection of resources.Monitoring suspend or at the end of, can
Etting in fence net, liter net, monitoring case is unloaded, or closing fish inlet, to protect fishery resourses.
2) fishing style that river mouth intertidal zone biological monitoring net combines the widely used networking in entrance of Changjiang River, throws the net and insert net
The advantages of, tidal action and flow action can be utilized to capture various aquatiles；The minimum mesh of estuarine organism monitoring net is
2.0cm, it is more enough to monitor mandarin sturgeon children sturgeon, while the injuries such as will not cause death to other young fishs.
3) biological monitoring net in river mouth intertidal zone is suitble to entrance of Changjiang River flow characteristics, the ecological environment and ground for being suitble to entrance of Changjiang River special
Manage bar part.
4) biological monitoring net in river mouth intertidal zone will not destroy local ecological resources, to natural, ecological ring while monitoring
Border is pollution-free, no destruction；
5) there is river mouth intertidal zone biological monitoring net good induction and fish-gathering effect, network interface reasonable design will not cause
Escaping and missing for fish, greatly ensure that the accuracy of monitoring result；
6) the fish gathering monitoring case of river mouth intertidal zone biological monitoring net has enough activity spaces to ensure a physical efficiency entered
It survives for a long time, and finally realizes living body sampling, restoration of the ecosystem effect is apparent；
7) river mouth intertidal zone biological monitoring net has certain wind and wave resistance, can be used in flood tide and ebb tide, can be right
Living resources under different directions streamflow regime are sampled；
8) biological monitoring net in river mouth intertidal zone is durable using material, and combination connection reasonable design ensure that netting gear
While service life, monitoring effect is also improved.
Description of the drawings
Fig. 1 is biological monitoring network arrangements schematic diagram in river mouth intertidal zone of the present invention.
Fig. 2 is the structural schematic diagram of biological monitoring net in river mouth intertidal zone of the present invention.
Fig. 3 is the decomposition texture schematic diagram of body net and fish gathering monitoring case.
In figure, F. fence nets, G. bodies net, H. fish gathering monitoring cases.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and specific examples.
Referring to Fig. 1-Fig. 3, the present invention is based on a series of bases of the monitorings and experimental work carried out in entrance of Changjiang River Hekou Area
It is formed on plinth, provides a kind of protection of resources type prison for meeting the mutatis mutandis condition of fishing gear, being suitble to entrance of Changjiang River environment, acquiring living body biological
Survey private network.
River mouth intertidal zone biological monitoring net principle：
Biological monitoring net in river mouth intertidal zone is made of fence net F, body net G and tri- parts fish gathering monitoring case H, and three parts connect
It connects to form entire netting gear.Wherein fence net F is preceding, and body net G is in, and H is rear for fish gathering monitoring case.Etting uses the materials of PE42tex6 × 3
Material, etting bottom is equipped with enough sinkers and ensures that infraclass is sunk to the bottom, exaggerated to be unworthy of buoyancy, upper and lower rete cord diameter 0.5cm.
Biological monitoring net in river mouth intertidal zone is built up on Tideland resources, and monitor sample is captured using the tidal range of fluctuation tide,
I.e. river floods net top at the incoming tide, and water level is lower dry up to moving back at ebb tide, and the aquatiles such as mandarin sturgeon are blocked not as good as off-network through fence net
Induction is cut into body net and eventually enters into fish gathering monitoring case.Fish gathering monitoring case uses rigid structure outer framework, forms a 6.0m
The activity space of (length) × 2.0m (width) × 1.5m (height).By be rationally arranged ensure monitoring case bottom be located at the water surface or less with
Ensure that a physical efficiency entered is survived for a long time, and finally realizes living body sampling.According to its sampling theorem and fluctuation tide rule, only
It is that ebb tidewater direction is arranged meeting stream direction.Because entrance of Changjiang River tide is informal semi-diurnal tides, can monitor daily 2 times.
Referring to Fig. 1-3, the processing and treating method of each structure of netting gear：
Fence net is made of etting and steel pipe, and etting bottom is equipped with enough sinkers and ensures that infraclass is sunk to the bottom, exaggerated to be unworthy of buoyancy.
The fence net of 2 sides is arranged in "eight" shape, and fence net arc cloth is erected at Tideland resources both sides, for guiding aquatile to enter body
Net.Steel pipe using height not less than 1.5m, interval 5-10m fixes fence net etting, it is ensured that bottom etting is close to mud bottom；Mesh sheet
Sheepshank size 1000.0m × 1.5m, the horizontal hanging ratio of assembly take 0.707, and mesh size 2.0cm, etting uses
The materials of PE42tex6 × 3, etting bottom are equipped with enough sinkers and ensure that infraclass is sunk to the bottom, exaggerated to be unworthy of buoyancy, upper and lower rete cord diameter
0.5cm.Upper infraclass usesRope.The steel pipe for being spaced 5-10m fixes fence net etting.Body net is by a Criny structure
At.It being supported by rigid frame outside funnel structure, the long 4.0m of funnel structure, the rectangular entrances of 2.0m × 1.5m are arranged in fluoran stream surface,
The round exit of diameter 0.5m is arranged in rear portion, in order to ensure that lower water level after ebb tide, outlet should be close to bottom setting.It uses
Assembly production Criny after the mesh sheet of size of mesh 2.0cm tenses, etting use the materials of PE42tex6 × 3.In 2 sides of funnel
The web pre fetching consistent with fence net material can be selected and carry out covering installation with mounting process；Fish gathering monitoring case is uncovered cuboid
Net cage.Net cage frame drawingdimension is 6.0m (length) × 2.0m (width) × 1.5m (height).Monitoring case etting selection PE42tex8 ×
3, mesh size 2.0cm, horizontal hanging ratio takes 0.707 in assembly.In fluoran stream surface, it is close to setting among bottom and is leaked with body net
The corresponding opening in bucket net outlet can enter monitoring case so as to aquatile.It is upper outside Criny outlet on the inside of monitoring case
One chip size is installed and is more than outlet size covering mesh sheet in portion.It is formed by 6.0m × 2.0m piling steel pipes (diameter 15cm) when laying
Babinet, and hang fixed etting；
The installation of netting gear：
Installation makes in advance on the coast for the making of frame, iron anchor, iron chains, monitoring case etc..Anchor line and monitoring case connecting rope
Can be customized in producer according to design specification, anchor line can be connected thereto before iron anchor transports when marine integrated installation.
Sinker is connect with floating ball with rope on auxiliary canoe, the length of connecting rope is close with the depth of water at anchor dispensing, throws
Lower sinker is as combination net cage anchor position point.The layout and anchor position spacing that mooring system is fixed according to net cage, are repeated in the above step
Suddenly, anchor position point of 18 sinkers as combination monitoring case is launched in order.According to positioning floating ball position and 18 anchor position points on the water surface
Position coordinates are corrected, and make floating ball in the equal marshalling of vertical, horizontal.It can will finally position position, that is, conduct of the floating ball in the water surface
Throw reference placement position when anchor.
Iron anchor weight is 0.5 ton, selects hoisting weight to hang an iron anchor every time for 5 tons or more loop wheel machines, iron anchor
It sinks into water.It should select to flow combined pressure difference direction installation exercise with the wind, system installation is fixed in selection downwind when slack tide
Operation, in fair current to installation exercise when windage is little.It is dragged in the region of fixed system with installation ship by cabinet frame is monitored,
Net cage frame is fixed with anchor line, and is hauled.After fixed system installs, according to frame in the state of the water surface, pass through anchor
The elastic of chain is adjusted, and keeps it no neat in water surface distribution.
According to entrance of Changjiang River landform and hydrologic regime, fence net arc cloth is erected at Tideland resources both sides, aquatic for guiding
Biology enters body net.Steel pipe using height not less than 1.5m, interval 5-10m fixes fence net etting, it is ensured that bottom etting is close to
Mud bottom.It is steep after first delaying when fence net is arranged, as shown in Figure 1, so that induction individual enters body net.Body net should be arranged in big flood tide water
Near line, it should ensure to induce aquatile to fish gathering monitoring case when fence net can be on the ebb, while ensureing fish gathering again
The bottom of monitoring case is always below the water surface, it is ensured that sampling individual survival.Etting setting and the body net side of fish gathering monitoring case side
Net etting setting method is identical, drives piles steel pipe by 6.0m × 2.0m when laying, diameter of steel tube 15cm forms babinet, and hangs solid
Determine etting.
This netting gear is suitble to the special geographical nature environment in entrance of Changjiang River beach area, combines that entrance of Changjiang River is widely used to be built
Net, the advantages of throwing the net and inserting the fishing style of net, tidal action and flow action can be utilized to capture various aquatiles.River mouth
The minimum mesh of biological monitoring net is 2.0cm, monitors mandarin sturgeon children sturgeon enough, while will not be caused to other young fishs extremely
The injuries such as die.Biological monitoring net in river mouth intertidal zone will not destroy local ecological resources, to natural ecological environment while monitoring
It is pollution-free, no destruction.It will not cause escaping and missing for fish with good induction and fish-gathering effect, network interface reasonable design,
It greatly ensure that the accuracy of monitoring result.Its in the future protection of resources and the ecosystem monitoring play great work
With being conducive to the development of Monitoring of Resource and Environment in the future.
According to the method for the present invention, applicant carries out and completes the inside proof test of netting gear.It is good that installation effect is launched at scene
Good, netting gear working condition is normal.It is demonstrated experimentally that this netting gear can be suitable for Hekou Area waters, monitoring object can be played
The effect concentrated is induced, can achieve the effect that monitoring resource in the case where not destroying living resources.
It is the preferred embodiment of the present invention above, those of ordinary skill in the art can also carry out various changes on this basis
It changes or improves, under the premise of not departing from the present invention total design, this transformation or improvement should all belong to that the present invention claims guarantors
Within the scope of shield.
Claims (9)
1. a kind of river mouth intertidal zone biological monitoring net, it is characterised in that：
Including fence net, body net, fish gathering monitoring case；
The fence net has supporter and etting, and etting bottom, which is equipped with sinker, makes infraclass sink to the bottom, and fence net is arranged in "eight" shape, erects
Tideland resources both sides are stood on, splay small end is towards ebb water (flow) direction, for guiding aquatile；The angle of inclination of fence net
It is steep after first delaying；
The body net is in funnel web frame, and it is rectangular entrance to have rigid frame, fluoran stream surface, and rear portion is round exit, is gone out tight-lipped
Paste river bed；
The outlet of the fish gathering monitoring case and body net, fish gathering monitoring case open topped are simultaneously covered with dismountable mesh sheet；
The position of the body net is in the position of big flood tide waterline.
2. biological monitoring net in river mouth intertidal zone as described in claim 1, it is characterised in that：The supporter of fence net is steel pipe, is made
Steel pipe with height not less than 1.5m, interval 5-10m fixes fence net etting, it is ensured that bottom etting is close to mud bottom.
3. biological monitoring net in river mouth intertidal zone as described in claim 1, it is characterised in that：The fish gathering monitoring case is cuboid
Net cage is close to be equipped be open so that aquatile can into corresponding with body net Criny outlet among bottom in fluoran stream surface
Enter monitoring case, forms babinet by 6.0m × 2.0m piling steel pipes when laying, and hang fixed etting, diameter of steel tube 15cm.
4. biological monitoring net in river mouth intertidal zone as described in claim 1, it is characterised in that：The body net uses size of mesh
Assembly production after the mesh sheet of 2.0cm tenses selects the web pre fetching consistent with fence net material in the both sides of body net.
5. biological monitoring net in river mouth intertidal zone as described in claim 1, it is characterised in that：The unilateral mesh sheet sheepshank of the fence net
Size 1000.0m × 1.5m, the horizontal hanging ratio of assembly take 0.707, and mesh size 2.0cm, etting uses the materials of PE42tex6 × 3
Material, etting bottom is equipped with enough sinkers and ensures that infraclass is sunk to the bottom, exaggerated to be unworthy of buoyancy, upper and lower rete cord diameter 0.5cm；Upper infraclass is adopted
With the rope of the Ф 3cm of PE materials；Fence net arc cloth is erected at Tideland resources both sides, for guiding aquatile to enter body
Net；Using height not less than 1.5m, the etting for the steel pipe fixation fence net for being spaced 5-10m, it is ensured that bottom etting is close to mud bottom.
6. biological monitoring net in river mouth intertidal zone as described in claim 1, it is characterised in that：The funnel structure of the body net is long
The rectangular entrances of 2.0m × 1.5m are arranged in 4.0m, fluoran stream surface, in the round exit of rear portion setting diameter 0.5m；Use size of mesh
Assembly production Criny after the mesh sheet of 2.0cm tenses, etting use the materials of PE42tex6 × 3.
7. biological monitoring net in river mouth intertidal zone as described in claim 1, it is characterised in that：The fish gathering monitoring case Frame Design
Scale is 6.0m × 2.0m × 1.5m；Fish gathering monitoring case etting selection PE42tex8 × 3, mesh size 2.0cm are horizontal in assembly
Hanging ratio takes 0.707.
8. biological monitoring net in river mouth intertidal zone as claimed in claim 7, it is characterised in that：Funnel on the inside of fish gathering monitoring case
Net outlet outside top install a chip size be more than outlet size cover mesh sheet, ensure into fish gathering monitoring case aquatile without
Method returns to Criny escape, and can be freely movable in monitoring net cage, until staff is sampled.
9. a kind of building method of biological monitoring net in river mouth intertidal zone as described in claim 1, which is characterized in that including following
Step：
A fence net) is constructed：Mesh sheet sheepshank size 1000.0m × 1.5m, the horizontal hanging ratio of assembly take 0.707, mesh size
2.0cm, etting use the materials of PE42tex6 × 3, and etting bottom is equipped with enough sinkers and ensures that infraclass is sunk to the bottom, exaggerated to be unworthy of floating
Power, upper and lower rete cord diameter 0.5cm；Upper infraclass uses the rope of PE Ф 3cm；The steel pipe for being spaced 5-10m fixes fence net etting；
B body net) is constructed：The rectangular entrances of 2.0m × 1.5m are arranged in the long 4.0m of funnel structure of body net, fluoran stream surface, and at rear portion, setting is straight
Bottom setting is close in the round exit of diameter 0.5m, outlet；Assembly production body net after being tensed using the mesh sheet of size of mesh 2.0cm,
Etting uses the materials of PE42tex6 × 3；The web pre fetching and erector consistent with fence net material can be selected in the both sides of funnel
Skill carries out covering installation；
C fish gathering monitoring case) is constructed：Fish gathering monitoring case be cuboid net cage, net cage frame drawingdimension be 6.0m × 2.0m ×
1.5m；Fish gathering monitoring case etting selection PE42tex8 × 3, mesh size 2.0cm, horizontal hanging ratio takes 0.707 in assembly；
Fluoran stream surface is close to the opening corresponding with body net Criny outlet of setting among bottom and is supervised so that aquatile can enter fish gathering
Measuring tank；One chip size is installed and is more than outlet size covering mesh sheet in the top outside Criny outlet on the inside of fish gathering monitoring case.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810599381.8A CN108651397A (en) | 2018-06-12 | 2018-06-12 | River mouth intertidal zone biological monitoring net and its construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810599381.8A CN108651397A (en) | 2018-06-12 | 2018-06-12 | River mouth intertidal zone biological monitoring net and its construction method |
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| CN108651397A true CN108651397A (en) | 2018-10-16 |
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ID=63774559
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113785800A (en) * | 2021-10-18 | 2021-12-14 | 中国科学院水生生物研究所 | Three-layer multi-mesh composite gill net device for investigating reservoir fish resources |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104430215A (en) * | 2014-11-14 | 2015-03-25 | 中国水产科学研究院东海水产研究所 | Silt tidal creek fish capturing device and quantitative fish density sampling method |
| CN205511734U (en) * | 2016-04-08 | 2016-08-31 | 中国水产科学研究院东海水产研究所 | A fish for emplacement netting gear that is used for intertidal zone waters fish to monitor |
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| CN106857427A (en) * | 2017-04-11 | 2017-06-20 | 广东海洋大学 | A kind of natural fry finishing device of yellowfin spine porgy and its fish for transportation resources |
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| CN113785800A (en) * | 2021-10-18 | 2021-12-14 | 中国科学院水生生物研究所 | Three-layer multi-mesh composite gill net device for investigating reservoir fish resources |
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