CN211430685U - Flow-pricking net capable of being used for quantitatively calculating fishery resources - Google Patents
Flow-pricking net capable of being used for quantitatively calculating fishery resources Download PDFInfo
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- CN211430685U CN211430685U CN201922355752.0U CN201922355752U CN211430685U CN 211430685 U CN211430685 U CN 211430685U CN 201922355752 U CN201922355752 U CN 201922355752U CN 211430685 U CN211430685 U CN 211430685U
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Abstract
The utility model relates to a can be used to ration to calculate class thorn net of fishery resource, a serial communication port, include: the flow meter comprises a first flow pricking net, a second flow pricking net, a third flow pricking net, a buoy, a connecting rope, a flow meter and a lead weight, wherein one side of the second flow pricking net is detachably connected with the first flow pricking net, and the other side of the second flow pricking net is detachably connected with the third flow pricking net; the lower part of the float is fixedly connected with the connecting rope, the lower part of the connecting rope is detachably connected with the first flow barbed wire, the second flow barbed wire and the third flow barbed wire, the upper part of the lead weight is detachably connected with the first flow barbed wire, the second flow barbed wire and the third flow barbed wire, and the connecting rope is fixedly connected with the flowmeter. The utility model uses the flow gill net and the flowmeter to investigate fishery resources, and solves the problem that the sampling of the flow gill net can not be quantitatively calculated; the multi-layer detachable spunlace net is used, netting with different meshes can be arranged according to the body sizes of fishes and is respectively used for catching fishes with specific sizes, other fishes cannot be caught simultaneously, mistaken catching is prevented, and influences on fishery resources and ecological environment are reduced.
Description
Technical Field
The utility model particularly relates to a can be used to ration to calculate the class thorn net of fishery resource.
Background
Fishery resource investigation is widely applied to sea fresh water as a fishery resource management and development means, and as an effective method for offshore sea area related research, the selection of a fishery resource investigation sampling method directly determines the accuracy of the result, directly influences the estimation of population resource quantity of fishes and large invertebrates in a research area, and even influences the research result of population and community ecology. In recent years, with the large-scale construction of reef throwing type marine ranches, the change of fishery resource quantity and the change of an ecosystem in an artificial fish reef construction area are paid more and more attention, but because no quantitative sampling tool suitable for complex terrains such as a coral reef area, an artificial fish reef area and the like exists, the quantitative calculation of the fishery resource quantity in the artificial fish reef area has great difficulty.
At present, the quantitative calculation of fishery resources aiming at complex terrains such as coral reef areas, artificial fish reef areas and the like is very difficult. When the trawl is used for investigation, the artificial fish reef and other rock reef areas need to be avoided, so that the collected samples are relatively one-sided, and the fishery resource level in the artificial fish reef areas cannot be reflected. Some researches adopt a barbed wire and a ground cage for sampling, the sampling tools have the advantage of being arranged under a complex seabed condition, can operate under different water depth conditions, can operate in a sea area with poor substrate, but cannot perform quantitative calculation, can perform qualitative analysis or comparative research, and obtain results which are not comprehensive enough.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problem, provide a stream thorn net that can be used to ration calculation fishery resources, can be used for fishery resources investigation of complicated topography such as coral reef district, artifical fish reef district to its resource amount is calculated to the ration.
A spunlace useful for quantitatively computing fishery resources, comprising: the flow meter comprises a first flow pricking net, a second flow pricking net, a third flow pricking net, a buoy, a connecting rope, a flow meter and a lead weight, wherein one side of the second flow pricking net is detachably connected with the first flow pricking net, and the other side of the second flow pricking net is detachably connected with the third flow pricking net; the lower part of the buoy is fixedly connected with a connecting rope, the lower part of the connecting rope is detachably connected with the first flow pricking net, the second flow pricking net and the third flow pricking net, the upper part of the lead weight is detachably connected with the first flow pricking net, the second flow pricking net and the third flow pricking net, and the connecting rope is fixedly connected with the flowmeter.
Preferably, the mesh number of the first spunlace net is smaller than that of the second spunlace net, and the mesh number of the second spunlace net is smaller than that of the third spunlace net.
Preferably, the lower part of the connecting rope is fixedly connected with an upper spring fastener, and the upper spring fastener penetrates through meshes of the first, second and third spunlace nets.
Preferably, the upper part of the lead weight is fixedly connected with a lower spring fastener, and the lower spring fastener penetrates through meshes of the first, second and third spunlace nets.
Preferably, the first spunlace net and the second spunlace net are detachably connected through a first magic tape, and the second spunlace net and the third spunlace net are detachably connected through a second magic tape.
The utility model has the advantages of as follows: by using the flow thorn net and the flow meter to carry out fishery resource investigation, the problem that quantitative calculation cannot be carried out is solved; the multi-layer detachable spunlace net is used, netting of different meshes can be arranged according to the body size of fish and is respectively used for catching the fish with specific size, other fishes cannot be caught simultaneously, mistaken catching is prevented, and influences on fishery resources and ecological environment are reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawing in the following description is only an embodiment of the invention, and that for a person skilled in the art, other embodiments can be derived from the drawing provided without inventive effort.
FIG. 1: the utility model has a schematic view of the structure;
FIG. 2: the side-view structure schematic diagram of the utility model;
Detailed Description
The invention will be further described with reference to the following figures and examples:
reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 2, the spunlace network for quantitatively calculating fishery resources according to the embodiment comprises: the flow meter comprises a first flow stinging net 1, a second flow stinging net 2, a third flow stinging net 3, a buoy 4, a connecting rope 5, a flow meter 6 and a lead weight 9, wherein one side of the second flow stinging net 2 is detachably connected with the first flow stinging net 1, and the other side of the second flow stinging net 2 is detachably connected with the third flow stinging net 3; the lower part of the float 4 is fixedly connected with a connecting rope 5, the lower part of the connecting rope 5 is detachably connected with a first flow barbed wire 1, a second flow barbed wire 2 and a third flow barbed wire 3, the upper part of the lead weight 9 is detachably connected with the first flow barbed wire 1, the second flow barbed wire 2 and the third flow barbed wire 3, and the connecting rope 5 is fixedly connected with a flow meter 6.
Preferably, the mesh number of the first spunlace net 1 is smaller than that of the second spunlace net 2, and the mesh number of the second spunlace net 2 is smaller than that of the third spunlace net 3.
Preferably, the lower part of the connecting rope 5 is fixedly connected with an upper spring fastener 7, and the upper spring fastener 7 penetrates through meshes of the first, second and third spunlace nets 1, 2 and 3.
Preferably, the upper part of the lead weight 9 is fixedly connected with a lower spring fastener 8, and the lower spring fastener 8 penetrates through meshes of the first, second and third spunlace nets 1, 2 and 3.
Preferably, the first spunlace net 1 and the second spunlace net 2 are detachably connected through a first magic tape, and the second spunlace net 2 and the third spunlace net 3 are detachably connected through a second magic tape.
Preferably, the first magic tape comprises a first round hair tape 11 and a first thorn hair tape 21, the second magic tape comprises a second round hair tape 22 and a second thorn hair tape 31, the first round hair tape 11 is fixedly connected with the first flow thorn net 1, one side of the second flow thorn net 2 is fixedly connected with the first thorn hair tape 21, and the other side of the second flow thorn net is fixedly connected with the second round hair tape 22; the second bristle paste 31 is fixedly connected with the third bristle net 3. The four sides of the first, second and third spunlace nets 1, 2 and 3 are all fixedly connected with corresponding magic tapes.
The working principle is as follows:
when fishery resource comprehensive investigation is needed, the first round wool sticker 11 is bonded with the first spunlace sticker 21, the second round wool sticker 22 is bonded with the second spunlace sticker 31, so that the first spunlace 1, the second spunlace 2 and the third spunlace 3 are fixed together, and after completion, the upper spring buckle 7 and the lower spring buckle 8 respectively penetrate through meshes of all the spunlace nets to be fixed.
When a large-sized swimming animal needs to be investigated, only the first spunlace net 1 is used, and the upper spring fastener 7 and the lower spring fastener 8 respectively penetrate through the meshes of the first spunlace net 1 to be fixed. Preferably, the sealing edge 12 is arranged on the periphery of the first spunlace mesh 1; when the medium-sized swimming animals need to be investigated, only the second spunlace network 2 is used, and the principle is the same as that of only the first spunlace network 1; when it is desired to investigate a small swim animal, only the third spunlace 3 is used, the principle being the same as the first spunlace 1.
When large and medium-sized swimming animals need to be investigated, only the first spunlace net 1 and the second spunlace net 2 are bonded for use together, and after the bonding is finished, the upper spring buckles 7 and the lower spring buckles 8 respectively penetrate through meshes of all used spunlace nets to be fixed; when the small and medium-sized swimming animals are investigated, the second and third spunlaced nets 2 and 3 are used, and the principle is the same as above.
The Flow meter 6 may use a D-Flow meter of German HYDRO-BIOS. The mesh size of the netting using the spunlace was determined according to the purpose of the investigation. Before use, the flowmeter 6 is reset to zero, the spunlace used for quantitatively calculating the fishery resource amount is unfolded perpendicular to the water flow direction and placed into a water body, the sampling time is set according to the general situation of fishery resources in a water area, and the sampling time is not easy to overlong and is generally not more than 48 hours when the spunlace is used. Collecting the fish catches on the netting, classifying according to species, and respectively counting and weighing. The total amount of water passing through the flow-barbed wire was calculated from the flow meter 6 count and the area of the flow-barbed wire. And finally, estimating the fishery resource amount of the whole water area and the resource amount of each species.
The present invention has been described above by way of example, but the present invention is not limited to the above-mentioned embodiments, and any modification or variation based on the present invention is within the scope of the present invention.
Claims (5)
1. A spunlace useful for quantitatively computing fishery resources, comprising: the flow meter comprises a first flow stinging net (1), a second flow stinging net (2), a third flow stinging net (3), a buoy (4), a connecting rope (5), a flow meter (6) and a lead weight (9), wherein one side of the second flow stinging net (2) is detachably connected with the first flow stinging net (1), and the other side of the second flow stinging net is detachably connected with the third flow stinging net (3); the novel flow meter is characterized in that the lower portion of the buoy (4) is fixedly connected with a connecting rope (5), the lower portion of the connecting rope (5) is detachably connected with a first flow pricking net (1), a second flow pricking net (2) and a third flow pricking net (3), the upper portion of the lead weight (9) is detachably connected with the first flow pricking net (1), the second flow pricking net (2) and the third flow pricking net (3), and the connecting rope (5) is fixedly connected with the flow meter (6).
2. A spunlace useful for quantitatively computing fishery resources according to claim 1, wherein: the mesh number of the first spunlace net (1) is smaller than that of the second spunlace net (2), and the mesh number of the second spunlace net (2) is smaller than that of the third spunlace net (3).
3. A spunlace useful for quantitatively computing fishery resources according to claim 1, wherein: the lower part of the connecting rope (5) is fixedly connected with an upper spring fastener (7), and the upper spring fastener (7) penetrates through meshes of the first flow thorn net (1), the second flow thorn net (2) and the third flow thorn net (3).
4. A spunlace useful for quantitatively computing fishery resources according to claim 1, wherein: the upper part of the lead weight (9) is fixedly connected with a lower spring fastener (8), and the lower spring fastener (8) penetrates through meshes of the first flow barbed net (1), the second flow barbed net (2) and the third flow barbed net (3).
5. A spunlace useful for quantitatively computing fishery resources according to claim 1, wherein: the first spunlace net (1) and the second spunlace net (2) are detachably connected through a first magic tape, and the second spunlace net (2) and the third spunlace net (3) are detachably connected through a second magic tape.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922355752.0U CN211430685U (en) | 2019-12-25 | 2019-12-25 | Flow-pricking net capable of being used for quantitatively calculating fishery resources |
| AU2020101448A AU2020101448A4 (en) | 2019-12-25 | 2020-07-22 | Drift net capable of quantitatively calculating fishery resources |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922355752.0U CN211430685U (en) | 2019-12-25 | 2019-12-25 | Flow-pricking net capable of being used for quantitatively calculating fishery resources |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211430685U true CN211430685U (en) | 2020-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922355752.0U Active CN211430685U (en) | 2019-12-25 | 2019-12-25 | Flow-pricking net capable of being used for quantitatively calculating fishery resources |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN211430685U (en) |
| AU (1) | AU2020101448A4 (en) |
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 |
-
2019
- 2019-12-25 CN CN201922355752.0U patent/CN211430685U/en active Active
-
2020
- 2020-07-22 AU AU2020101448A patent/AU2020101448A4/en not_active Ceased
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 |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2020101448A4 (en) | 2020-08-27 |
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