CN116058339A - Variety data acquisition device for benthic fishes - Google Patents
Variety data acquisition device for benthic fishes Download PDFInfo
- Publication number
- CN116058339A CN116058339A CN202310259387.1A CN202310259387A CN116058339A CN 116058339 A CN116058339 A CN 116058339A CN 202310259387 A CN202310259387 A CN 202310259387A CN 116058339 A CN116058339 A CN 116058339A
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- Prior art keywords
- baffle
- piece
- benthonic
- fish
- frame
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- 241000251468 Actinopterygii Species 0.000 title claims abstract description 25
- 238000010030 laminating Methods 0.000 claims abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 230000000903 blocking effect Effects 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000008676 import Effects 0.000 claims 2
- 238000001125 extrusion Methods 0.000 claims 1
- 238000005070 sampling Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 239000002689 soil Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- A01K74/00—Other catching nets or the like
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Marine Sciences & Fisheries (AREA)
Abstract
The invention discloses a device for acquiring diversified data of benthonic fish in stream, which belongs to the technical field of sampling equipment and comprises the following components: support frame and intercommunication are installed in the collection net of support frame one end, collection device still includes: two groups of baffles symmetrically hinged to two sides of the other end of the supporting frame; two sets of the baffle blocks up braced frame's tip, the mounting groove has been seted up towards one side of baffle to braced frame, the sliding is equipped with the impeller of laminating with the baffle and the elastic element who is connected with the impeller in the mounting groove, be equipped with link gear on the braced frame to order about the impeller to remove, carry out the shutoff to braced frame through the baffle in this application, make collection system can not open before entering into the stream bottom to also can not open when making collection system shift out from the stream, make other regional fish in the stream can not get into collection system in, guarantee the accuracy nature of sampling.
Description
Technical Field
The invention relates to the technical field of sampling equipment, in particular to a device for acquiring diversified data of benthic fish.
Background
When researching the diversity of the benthonic fishes, the information data of the benthonic fishes needs to be collected, the collecting device is generally arranged at the bottom of the brook, the fishes at the collecting device are collected, for example, a brook benthonic organism sampling net device with the publication number of CN206390065U and a device for collecting the brook benthonic organisms are disclosed in the publication document of the sampling device;
however, there is a certain defect in the use process of the device, for example, one side of the collecting device is open, when the collecting device enters the stream for sampling or is removed from the stream after sampling is completed, the collecting device needs to pass through other areas of the stream (because the sampled areas are at the bottom of the stream), so that organisms in other areas of the stream can easily enter the collecting device, and the accuracy of sampling can be affected.
Disclosure of Invention
The invention aims to provide a variety data acquisition device for benthonic fishes in a stream, which aims to solve the problems that in the background technology, one side of the acquisition device is open, and when the acquisition device enters the stream for sampling or is moved out of the stream after sampling is finished, the acquisition device needs to pass through other areas of the stream, so that organisms in other areas of the stream can easily enter the acquisition device, and the accuracy of sampling can be influenced.
In order to achieve the above purpose, the present invention provides the following technical solutions: a variety data acquisition device for a brook benthonic fish, comprising: support frame and intercommunication are installed in the collection net of support frame one end, collection device still includes: two groups of baffles symmetrically hinged to two sides of the other end of the supporting frame;
the two groups of baffles are used for plugging the end parts of the supporting frame, a placing groove is formed in one side of the supporting frame, which faces the baffles, a pushing piece attached to the baffles and an elastic element connected with the pushing piece are arranged in the placing groove in a sliding mode, and a linkage mechanism is arranged on the supporting frame to drive the pushing piece to move, squeeze the baffles, enable the two groups of baffles to rotate and spread on two sides of the supporting frame and used for guiding water flow.
Preferably, the linkage mechanism comprises a positioning column arranged below the supporting frame and a handle rotatably arranged above the supporting frame, and a linkage rope connected with the pushing piece is arranged on the handle.
Preferably, the linkage mechanism comprises handles and positioning columns, wherein the handles are respectively arranged on the upper side and the lower side of the supporting frame; the support frame is characterized in that a slot is formed below the support frame, the end part of the positioning column is inserted into the slot in a sliding manner, a spring piece is arranged between the slot and the positioning column, and a rope piece is arranged between the positioning column and the pushing piece.
Preferably, the handle is rotatably installed above the supporting frame, and a pulling rope is arranged between the handle and the pushing piece.
Preferably, an opening is formed in one side of the baffle facing the water flow direction in a penetrating manner, and a movable plate attached to the supporting frame and a reset spring connected with the movable plate are hinged to the inner side wall of the opening.
Preferably, the movable plate comprises a mounting plate hinged on the inner side wall of the opening, one side of the mounting plate facing the water flow direction is penetrated and provided with a mounting opening, the inner wall of the mounting opening is provided with a mounting groove, a movable plate for plugging the mounting opening and an elastic piece connected with the movable plate are arranged in the mounting groove in a sliding manner, and a pull rope is arranged between the movable plate and the baffle.
Preferably, the collecting net is provided with a plurality of groups of supporting pipe fittings.
Preferably, the side wall of the supporting frame is provided with a storage tank, an inlet is formed in the lower portion of the storage tank, a blocking piece for blocking the inlet and a connecting spring connected with the blocking piece are hinged in the storage tank, a limiting piece attached to the lower portion of the blocking piece is arranged in the storage tank, a water outlet communicated with the supporting pipe fitting is formed in the storage tank, a pressing piece for pushing water in the storage tank to be discharged from the water outlet is arranged in the storage tank in a sliding mode, and a connecting rope is arranged between the pressing piece and the baffle.
Compared with the prior art, the invention has the beneficial effects that: the utility model provides a carry out the shutoff through the baffle to braced frame in this application, make collection system enter into before the stream bottom can not open to also can not open when making collection system shift out from the stream, make in the stream other regional fish can not enter into collection system, guarantee the accuracy nature of sampling, and the baffle of shutoff can carry out the water conservancy diversion, make the sample more convenient enter into collection system in, increase the convenience of collection.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a connection structure of a support frame and a baffle plate according to the present invention;
FIG. 3 is a schematic view of a baffle structure according to the present invention;
FIG. 4 is a schematic view of a mobile plate structure according to the present invention;
fig. 5 is a schematic view of the structure of the tank according to the present invention.
In the figure: 1. a support frame; 2. a handle; 3. a collection net; 4. supporting the pipe fitting; 5. positioning columns; 6. a storage tank; 7. a baffle; 71. an opening; 72. a movable plate; 721. a mounting plate; 722. a mounting port; 723. a moving plate; 724. a mounting groove; 725. a pull rope; 726. an elastic member; 8. slotting; 9. a mounting groove; 10. a pushing member; 11. a blocking member; 12. a limiting piece; 13. a water outlet; 14. a pressing member; 15. and (5) connecting ropes.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, a device for acquiring diversity data of a brook benthonic fish, comprising: the support frame 1, the collection net 3 is detachably installed at one end of the support frame 1 (the collection net 3 can be detached from the support frame 1 and used for replacement), the support frame 1 is used for supporting the inlet end of the collection net 3, so that fish can enter the collection net 3 in the sampling process, and the support frame 1 is hollow and can be circular, square or other polygons and the like.
Referring to fig. 1 and 2, two sides of one end of the supporting frame 1 far away from the collecting net 3 are hinged with baffle plates 7; a spring is installed between the baffle plate 7 and the supporting frame 1, and is used for preventing the baffle plate 7 from rotating easily (and enabling the rotated baffle plate 7 to reset), and the end part of the supporting frame 1 is plugged through two groups of baffle plates 7.
Referring to fig. 2 and 3, a mounting groove 9 is formed on one side of the support frame 1 facing the baffle 7, a pushing member 10 is slidably arranged in the mounting groove 9, an elastic element is mounted between the mounting groove 9 and the pushing member 10, and one side of the pushing member 10 away from the support frame 1 is attached to one side wall of the baffle 7 facing the support frame 1; a linkage mechanism is arranged on the supporting frame 1; the linkage mechanism is connected with the pushing piece 10 and is used for driving the pushing piece 10 to move to the outer side of the mounting groove 9, extruding the baffle plates 7, enabling the two groups of baffle plates 7 to rotate and spread, and enabling the two groups of baffle plates 7 to spread on two sides of the supporting frame 1 and used for guiding water flow.
It should be noted that, referring to fig. 1 and 2, the linkage mechanism is a positioning column 5, a handle 2, etc., the positioning column 5 is installed below the supporting frame 1, and the handle 2 is rotatably disposed above the supporting frame 1; the handle 2 is provided with a linkage rope connected with the pushing piece 10; during the use of the collecting device, a user holds the handle 2, moves the supporting frame 1 and the collecting net 3 to the bottom of the stream (in the process, the two groups of baffles 7 block the inlet of the supporting frame 1), and inserts the positioning column 5 into the soil at the bottom of the stream to position the collecting device; then the handle 2 is rotated, the linkage rope is wound on the handle 2, the linkage rope moves towards the outer side of the mounting groove 9 along with the pushing piece 10, and the pushing baffle 7 rotates to the side wall of the supporting frame 1 (plays a role in guiding flow); opening an inlet of the support frame 1 to enable water flow at the bottom of the stream to enter the collection net 3 through the support frame 1, and collecting the benthic fish in the process; after the collection is completed, the handle 2 is rotated reversely and positively, the pushing piece 10 and the baffle 7 are reset, the inlet of the supporting frame 1 is blocked (in the process of preventing collection of the collection device, samples in the collection net 3 can run out, fish at other positions of the stream can be prevented from entering the collection net 3), and the collection device is taken out from the stream.
It should be noted that referring to fig. 1 and 3, the linkage mechanism may also be a handle 2, a positioning column 5, etc., where the handle 2 and the positioning column 5 are respectively disposed at the upper and lower sides of the support frame 1; a slot 8 is formed below the support frame 1, the end part of the positioning column 5 is inserted into the slot 8 in a sliding manner (the positioning column 5 can move up and down in the slot 8), and a spring piece is arranged between the slot 8 and the positioning column 5; a rope piece is arranged between the positioning column 5 and the pushing piece 10; the handle 2 is rotatably arranged above the supporting frame 1, and a pulling rope is arranged between the handle 2 and the pushing piece 10; in the process of using the collecting device, a user holds the handle 2, moves the supporting frame 1 and the collecting net 3 to the bottom of a stream, and inserts the positioning column 5 into soil at the bottom of the stream to position the collecting device; when the positioning column 5 is inserted into the soil, the positioning column 5 moves towards the inside of the slot 8, the rope part moves towards the outer side of the placement slot 9 with the pushing part 10, and the pushing baffle 7 rotates to the side wall of the supporting frame 1 (plays a role in guiding flow); opening an inlet of the support frame 1 to enable water flow at the bottom of the stream to enter the collection net 3 through the support frame 1, and collecting the benthic fish in the process; after the collection is completed, the handle 2 is rotated, so that the pulling rope is wound on the handle 2, the pushing piece 10 is reset with the baffle 7, the inlet of the supporting frame 1 is blocked (the sample in the collection net 3 can run out during the collection of the collection device is prevented from being collected, the fish at other positions of the stream can be prevented from entering the collection net 3), and the collection device is taken out from the stream.
In this embodiment, as a further optimized solution, referring to fig. 2 and 3, an opening 71 is formed on a side of the baffle 7 facing the water flow direction, and a movable plate 72 is hinged on an inner side wall of the opening 71; one side of the movable plate 72 facing the supporting frame 1 is attached to the supporting frame 1, and a return spring is arranged between the supporting frame 1 and the movable plate 72; when the pushing member 10 pushes the baffle 7 to rotate and spread, the movable plate 72 will rotate towards the direction of the support frame 1 under the action of the water flow (the movable plate 72 can only rotate towards the direction of the support frame 1, and the movable plate 72 cannot rotate towards the direction away from the support frame 1 due to the fact that the inner wall of the opening 71 is attached to the side wall of the movable plate 72), so that the opening 71 is opened, the water flow can pass through the opening 71, and the resistance of the baffle 7 to rotate and spread is reduced.
In this embodiment, as a further optimized solution, referring to fig. 3 and 4, the movable plate 72 includes a mounting plate 721 hinged on the inner sidewall of the opening 71, and a mounting opening 722 is formed through a side of the mounting plate 721 facing the water flow direction; the inner wall of the mounting port 722 is provided with a mounting groove 724, a movable plate 723 is arranged in the mounting groove 724 in a sliding manner, an elastic piece 726 is arranged between the mounting groove 724 and the movable plate 723, and the movable plate 723 seals the mounting port 722; a pull rope 725 is arranged between the movable plate 723 and the baffle 7; in the process of rotating and unfolding the baffle 7 to enable the movable plate 72 to rotate towards the supporting frame 1, one end of the pull rope 725 is fixed on the baffle 7, so that the pull rope 725 pulls the movable plate 723 towards the inside of the mounting groove 724, the mounting opening 722 is opened, the area where water flow can pass through the baffle 7 is enlarged, and the resistance to the rotation and unfolding of the baffle 7 is further reduced.
Example 2
Referring to fig. 1, 2 and 5, a plurality of groups of support pipes 4 are arranged on the collection net 3, and the support pipes 4 are arranged around the collection net 3; the side wall of the supporting frame 1 is provided with a storage tank 6, an inlet is formed below the storage tank 6, a blocking piece 11 is hinged in the storage tank 6, a connecting spring is arranged between the storage tank 6 and the blocking piece 11, and the blocking piece 11 is used for blocking the inlet; a limiting piece 12 is arranged in the storage tank 6, and the limiting piece 12 is attached to the lower part of the blocking piece 11, so that the blocking piece 11 cannot rotate downwards; a water outlet 13 is formed in the storage tank 6, and the water outlet 13 is communicated with the support pipe fitting 4 through a pipeline; a pressing piece 14 is arranged in the storage tank 6 in a sliding manner, and a connecting rope 15 is arranged between the pressing piece 14 and the baffle 7; when the collecting device is put into water, the storage tank 6 enters a stream downwards, the blocking piece 11 is pushed upwards by the pressure of the water, the lower part of the storage tank 6 is opened (a through hole is formed above the side wall of the storage tank 6 and is positioned below the pressing piece 14), and the water enters the storage tank 6; in the process of rotating and unfolding the baffle 7, the connecting rope 15 is pulled, the pressing piece 14 moves downwards (after the pressing piece 14 moves to the lower part of the through hole, the pressing piece 14 moves continuously), water in the storage tank 6 is extruded into the supporting pipe fitting 4 through the water outlet 13 (the pressing piece 14 pushes the inner water of the storage tank 6 downwards, a downward force is applied to the blocking piece 11 to block the lower part of the storage tank 6, so that the water in the storage tank 6 enters the supporting pipe fitting 4 from the water outlet 13), water is filled and expanded, the collecting net 3 is supported, and the collecting net 3 is unfolded, so that samples can be collected better.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A variety data acquisition device for a brook benthonic fish, comprising: support frame (1) and intercommunication are installed in collection net (3) of support frame (1) one end, its characterized in that: the acquisition device further comprises: two groups of baffles (7) symmetrically hinged on two sides of the other end of the supporting frame (1);
two sets of baffle (7) carry out the shutoff to the tip of braced frame (1), mounting groove (9) have been seted up towards one side of baffle (7) to braced frame (1), the interior impeller (10) that are equipped with laminating with baffle (7) and the elastic element who is connected with impeller (10) of mounting groove (9), be equipped with link gear on braced frame (1) to order about impeller (10) to remove, extrusion baffle (7), make two sets of baffles (7) rotate, expand in the both sides of braced frame (1) for guide rivers.
2. The device for acquiring the diversity data of the benthonic fish stream according to claim 1, wherein: the linkage mechanism comprises a positioning column (5) arranged below the supporting frame (1) and a handle (2) rotatably arranged above the supporting frame (1), and a linkage rope connected with the pushing piece (10) is arranged on the handle (2).
3. The device for acquiring the diversity data of the benthonic fish stream according to claim 1, wherein: the linkage mechanism comprises handles (2) and positioning columns (5) which are respectively arranged on the upper side and the lower side of the supporting frame (1); the support frame is characterized in that a slot (8) is formed in the lower portion of the support frame (1), the end portion of the positioning column (5) is inserted into the slot (8) in a sliding mode, a spring piece is arranged between the slot (8) and the positioning column (5), and a rope piece is arranged between the positioning column (5) and the pushing piece (10).
4. A stream benthonic fish diversity data acquisition device as claimed in claim 3, characterized in that: the handle (2) is rotatably arranged above the supporting frame (1), and a pulling rope is arranged between the handle (2) and the pushing piece (10).
5. The device for acquiring the diversity data of the benthonic fish stream according to claim 1, wherein: an opening (71) is formed in one side, facing the water flow direction, of the baffle plate (7), and a movable plate (72) attached to the supporting frame (1) and a reset spring connected with the movable plate (72) are hinged to the inner side wall of the opening (71).
6. A device for acquiring diverse data of a brook benthonic fish as claimed in claim 5, wherein: the movable plate (72) comprises a mounting plate (721) hinged to the inner side wall of the opening (71), a mounting opening (722) is formed in one side, facing the water flow direction, of the mounting plate (721) in a penetrating mode, a mounting groove (724) is formed in the inner wall of the mounting opening (722), a movable plate (723) for blocking the mounting opening (722) and an elastic piece (726) connected with the movable plate (723) are arranged in the mounting groove (724) in a sliding mode, and a pull rope (725) is arranged between the movable plate (723) and the baffle (7).
7. The device for acquiring the diversity data of the benthonic fish stream according to claim 1, wherein: the collecting net (3) is provided with a plurality of groups of supporting pipe fittings (4).
8. The device for acquiring the diversity data of the benthonic fish stream as claimed in claim 7, wherein: be equipped with bin (6) on the lateral wall of braced frame (1), the import has been seted up to the below of bin (6), articulated in bin (6) have be used for shutoff import stop piece (11) and with stop piece (11) the connecting spring who is connected, be equipped with in bin (6) with stop piece (11) below laminating locating part (12), set up in bin (6) with support pipe fitting (4) delivery port (13) of intercommunication, be equipped with in bin (6) in be used for with bin (6) inside water from delivery port (13) exhaust press piece (14), install between press piece (14) and baffle (7) and link rope (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310259387.1A CN116058339A (en) | 2023-03-17 | 2023-03-17 | Variety data acquisition device for benthic fishes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310259387.1A CN116058339A (en) | 2023-03-17 | 2023-03-17 | Variety data acquisition device for benthic fishes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116058339A true CN116058339A (en) | 2023-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310259387.1A Pending CN116058339A (en) | 2023-03-17 | 2023-03-17 | Variety data acquisition device for benthic fishes |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206390065U (en) * | 2017-01-17 | 2017-08-11 | 铜仁学院 | A kind of streams benthon Sampling nets and sampling cartridge are standby |
| JP2021023194A (en) * | 2019-08-02 | 2021-02-22 | 株式会社東京久栄 | Organism collection auxiliary set |
| CN214853767U (en) * | 2021-06-28 | 2021-11-26 | 西安理工大学 | Semi-automatic river benthonic animal collection system |
| CN114009407A (en) * | 2021-11-09 | 2022-02-08 | 中国海洋大学 | Automatic catching device for deep water live fish with different specifications |
| CN114194340A (en) * | 2021-12-15 | 2022-03-18 | 中国水产科学研究院黑龙江水产研究所 | Fish sample collection device |
| CN217523678U (en) * | 2022-07-11 | 2022-10-04 | 西藏自治区农牧科学院水产科学研究所 | Torrent benthonic fish collection tool |
| CN218604653U (en) * | 2022-11-09 | 2023-03-14 | 中国地质调查局海口海洋地质调查中心 | Marine benthos collection system |
-
2023
- 2023-03-17 CN CN202310259387.1A patent/CN116058339A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206390065U (en) * | 2017-01-17 | 2017-08-11 | 铜仁学院 | A kind of streams benthon Sampling nets and sampling cartridge are standby |
| JP2021023194A (en) * | 2019-08-02 | 2021-02-22 | 株式会社東京久栄 | Organism collection auxiliary set |
| CN214853767U (en) * | 2021-06-28 | 2021-11-26 | 西安理工大学 | Semi-automatic river benthonic animal collection system |
| CN114009407A (en) * | 2021-11-09 | 2022-02-08 | 中国海洋大学 | Automatic catching device for deep water live fish with different specifications |
| CN114194340A (en) * | 2021-12-15 | 2022-03-18 | 中国水产科学研究院黑龙江水产研究所 | Fish sample collection device |
| CN217523678U (en) * | 2022-07-11 | 2022-10-04 | 西藏自治区农牧科学院水产科学研究所 | Torrent benthonic fish collection tool |
| CN218604653U (en) * | 2022-11-09 | 2023-03-14 | 中国地质调查局海口海洋地质调查中心 | Marine benthos collection system |
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