CN113179936B - Green tide algae interspecific competition research device - Google Patents
Green tide algae interspecific competition research device Download PDFInfo
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- CN113179936B CN113179936B CN202110077735.4A CN202110077735A CN113179936B CN 113179936 B CN113179936 B CN 113179936B CN 202110077735 A CN202110077735 A CN 202110077735A CN 113179936 B CN113179936 B CN 113179936B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G33/00—Cultivation of seaweed or algae
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- 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
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- Environmental Sciences (AREA)
- Cultivation Of Seaweed (AREA)
- Cleaning Or Clearing Of The Surface Of Open Water (AREA)
Abstract
The invention discloses a green tide algae interspecific competition research device which comprises a net cage and a moisture-proof assembly arranged on the net cage, wherein the net cage comprises a bottom supporting frame, a top supporting frame, a supporting rod, a central rod, a bottom radiation rod, a top radiation rod and a gauze, the supporting rod is connected between the bottom supporting frame and the top supporting frame, the central rod is positioned in the centers of the bottom supporting frame and the top supporting frame, one end of the bottom radiation rod is connected to the central rod, the other end of the bottom radiation rod is circumferentially connected to the bottom supporting frame along the bottom supporting frame, one end of the top radiation rod is connected to the central rod, the other end of the top radiation rod is circumferentially connected to the top supporting frame along the top supporting frame, the bottom radiation rod and the top radiation rod are correspondingly arranged, and a box body is divided into a plurality of independent grid spaces with openings at the top ends through the gauze. The method can be used for assisting in researching the competitive relationship among different green tide algae in the process that the yellow sea green tide algae floats from Jiangsu to Shandong, and further discloses the outbreak mechanism of the yellow sea green tide.
Description
Technical Field
The invention relates to the field of marine organism research, in particular to a research device for interspecific competition of green tide algae.
Background
Since 2008, yellow sea green tide erupts continuously, and serious influence is caused to the ecological environment of the offshore area of China. Researches at home and abroad find that the green tide algae floats to the Shandong peninsula under the action of the season wind after falling off from the culture raft frame, thereby causing serious influence on the environment of the Shandong near bank and the tourism industry. The algae shed from the culture raft frame comprise enteromorpha, enteromorpha curvata, enteromorpha linza, enteromorpha discoreans and the like, however, the enteromorpha curvata, the enteromorpha linza, the enteromorpha discoreans and the like gradually disappear in the process of drifting from Jiangsu to Shandong, and only one kind of enteromorpha is existed when the enteromorpha curvata reaches the Shandong peninsula, which indicates that species competition occurs when various kinds of green tide algae float from Jiangsu to the Shandong peninsula. At present, many researches for researching physiological and ecological characteristic differences of various green tide algae under laboratory conditions and researching the growth of the green tide algae in the same sea area by using a barricade device are carried out. However, there is no report on when and where green tide algae disappear and how a competitive relationship exists in the process of floating from Jiangsu to Shandong, which is a technical problem to be solved urgently in the field.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a device for researching inter-species competition of green tide algae, which can be used for assisting in researching the competition relationship among different green tide algae in the process that the green tide algae floats from Jiangsu to Shandong and further disclosing the explosion mechanism of yellow sea green tide.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a green tide algae interspecific competition research device comprises a net cage and a moisture-proof assembly arranged on the net cage, wherein the net cage comprises a bottom supporting frame, a top supporting frame, a supporting rod, a central rod, a bottom radiation rod, a top radiation rod and a gauze, the supporting rod is connected between the bottom supporting frame and the top supporting frame, the central rod is positioned in the centers of the bottom supporting frame and the top supporting frame, one end of the bottom radiation rod is connected to the central rod, the other end of the bottom radiation rod is circumferentially connected to the bottom supporting frame along the bottom supporting frame, one end of the top radiation rod is connected to the central rod, the other end of the top radiation rod is circumferentially connected to the top supporting frame along the top supporting frame, the bottom radiation rod and the top radiation rod are correspondingly arranged, a box body is divided into a plurality of independent grid spaces with top openings through the gauze, and a first buoyancy piece is arranged on the top supporting frame; the dampproofing subassembly includes litter, second buoyancy and side net, the litter corresponds the net space setting on the top carriage, second buoyancy slidable sets up on the litter, the side net is connected on top carriage and second buoyancy.
Preferably, the bottom support frame is a solid frame structure.
Preferably, the top support frame is a hollow frame structure.
Preferably, the sliding rod comprises a sleeve and a rod body sleeved in the sleeve, and a limiting ring is arranged at one end of the rod body sleeved in the sleeve.
Preferably, the top of the rod body is provided with a limiting block.
Preferably, the second buoyancy piece includes the base and connects the buoyancy piece on the base, the diameter of base is greater than the diameter of buoyancy piece, the last slide opening of having seted up of second buoyancy piece, slide opening bottom aperture is greater than the top aperture and is greater than middle aperture, middle aperture is not less than telescopic diameter.
Preferably, the moisture barrier assembly further comprises a top web connected between the second buoyancy elements.
Preferably, the buoyancy device further comprises an auxiliary assembly, the auxiliary assembly comprises a central slide rod connected to the central rod and a third buoyancy member slidably arranged on the central slide rod, and the top net body is connected between the second buoyancy member and the third buoyancy member.
Preferably, the auxiliary assembly further comprises a fourth buoyancy member arranged on the central rod, and the fourth buoyancy member is provided with a GPS module and a camera module for shooting each grid space.
Preferably, the device also comprises a counterweight part, wherein the counterweight part comprises a counterweight block connected to each end corner of the bottom support frame through a traction rope.
Compared with the prior art, the invention has the beneficial effects that: in the invention, the enteromorpha, the kojie enteromorpha, the enteromorpha linza, the sphagna and the like are respectively placed in different independent grid spaces in the initial stage and float in seawater under the action of ocean current under the action of the first buoyancy piece. The independent grid space is formed by matching each rod body with the gauze, so that the flow of seawater in the independent grid space is not influenced, the consistency with the external marine environment can be ensured, and the influence of human factors is reduced; meanwhile, when a wave tide exists in the sea and is higher than the first buoyancy piece instantly, the second buoyancy piece can float along the sliding rod along with the wave tide, the height of the side net is raised, green tide algae in an independent grid space is prevented from being washed away or brought into other algae by the wave tide, other experimental interferences are avoided, the competitive relationship among different green tide algae in the process that the green tide algae floats from Jiangsu to Shandong can be studied in an auxiliary mode, and the outbreak mechanism of the yellow sea green tide is further disclosed.
Drawings
FIG. 1 is a schematic diagram of the structure of a green tide algae interspecific competition research device in a preferred embodiment of the present invention;
FIG. 2 is a cross-sectional view of the slide bar of FIG. 1;
FIG. 3 is a cross-sectional view of the second buoyancy element of FIG. 1;
wherein 11 is a bottom support frame, 12 is a top support frame, 13 is a support rod, 14 is a central rod, 15 is a bottom radiation rod, 16 is a top radiation rod, 17 is a gauze, 18 is a gravity ball, 2 is a first buoyancy member, 31 is a slide rod, 311 is a sleeve, 312 is a rod body, 313 is a limit ring, 32 is a second buoyancy member, 321 is a base, 322 is a buoyancy block, 323 is a bottom hole, 324 is a middle hole, 325 is a top hole, 33 is a limit block, 34 is a side net, 35 is a top net body, 41 is a central slide rod, 42 is a third buoyancy member, 43 is a fourth buoyancy member, 51 is a traction rope, and 52 is a counter weight.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, a green tide algae interspecific competition research device in a preferred embodiment of the present invention includes a net cage and a moisture-proof component disposed on the net cage, the net cage includes a bottom support frame 11, a top support frame 12, support rods 13, a central rod 14, a bottom radiation rod 15, a top radiation rod 16 and a gauze 17, the support rods 13 are connected between the bottom support frame 11 and the top support frame 12, the central rod 14 is located at the center of the bottom support frame 11 and the top support frame 12, one end of the bottom radiation rod 15 is connected to the central rod 14, the other end is connected to the bottom support frame 11 along the circumferential direction of the bottom support frame 11, one end of the top radiation rod 16 is connected to the central rod 14, the other end is connected to the top support frame 16 along the circumferential direction of the top support frame 16, the bottom radiation rod 15 and the top radiation rod 16 are disposed correspondingly, and the box body is divided into a plurality of independent grid spaces with top openings by the gauze 17, i.e., the gauze forms a barrel-like space at the bottom and at each side wall, and the top support frame 12 is provided with a first buoyancy member 2; the moisture-proof assembly comprises a slide rod 31, a second buoyancy piece 32 and a side net 34, wherein the slide rod 31 is arranged on the top support frame 12 corresponding to the grid space, the second buoyancy piece 32 can be arranged on the slide rod 31 in a sliding mode, and the side net 34 is connected to the top support frame 12 and the second buoyancy piece 32. In the invention, the enteromorpha, the kojie enteromorpha, the enteromorpha linza, the sphagna and the like are respectively placed in different independent grid spaces in the initial stage and drift in seawater under the action of ocean current under the action of the first buoyancy piece 2. The independent grid space is formed by matching each rod body with the gauze, so that the flow of seawater in the independent grid space is not influenced, the consistency with the external marine environment can be ensured, and the influence of human factors is reduced; meanwhile, when a wave tide exists in the sea and is higher than the first buoyancy member 2 instantly, the second buoyancy member 32 can float along the slide rod 31 along with the wave tide to raise the height of the side net 34, so that green tide algae in the independent grid space is prevented from being washed away or brought into other algae by the wave tide, other experimental interferences are avoided, the competitive relationship among different green tide algae in the process that the green tide algae floats from Jiangsu to Shandong can be studied in an auxiliary mode, and the explosion mechanism of the yellow sea green tide is further disclosed.
Specifically, the bottom support frame 11 is a solid frame structure, and has a certain weight, so that the stability of the bottom in the water body is ensured; the top support frame 12 is a hollow frame structure, and has certain buoyancy to ensure the stability of the top on the water body.
Specifically, each end angle of the top support frame 12 is provided with a gravity ball 18, so that the bottom weight of the box body is further improved, and the stability of the box body in the water body is ensured.
Specifically, the slide rod 31 includes a sleeve 311 and a rod 312 sleeved in the sleeve 311, and a limiting ring 313 is disposed at one end of the rod 312 sleeved in the sleeve 311. The shorter the length of the sliding rod 31 is, the more difficult the device is to overturn when drifting on the sea surface, the telescopic rod structure can be matched with a tide to adjust the length, and the telescopic rod structure has better structural stability during contraction, so that a better use effect is ensured.
Specifically, in order to limit the sliding stroke of the second buoyancy member 32, the top of the rod body 312 is provided with a stopper 33.
Specifically, the second buoyancy member 32 includes a base 321 and a buoyancy block 322 connected to the base 321, the diameter of the base 321 is greater than the diameter of the buoyancy block 322, a sliding hole is formed in the second buoyancy member 32, the diameter of a bottom hole 323 of the sliding hole is greater than the diameter of a top hole 325 of the sliding hole and is greater than the diameter of a middle hole 324, and the diameter of the middle hole 324 is not less than the diameter of the sleeve 311. The larger the base 321 cross section is, the better the buoyancy effect is, and the higher the stability on the water surface is. The apertures of the two ends of the sliding hole are large, the aperture of the middle part of the sliding hole is small, so that the smoothness of the up-and-down sliding of the second buoyancy piece 32 can be ensured, and the influence on the stability when the aperture is overlarge and floats can be avoided.
Specifically, the moisture-proof assembly further comprises a top net body 35, the top net body 35 is connected between the second buoyancy members 32, and the top net body 35 can further prevent the influence of other algae and reduce experiment interference.
In particular, it further comprises an auxiliary assembly comprising a central slide rod 41 connected to the central pole 14 and a third buoyancy element 42 slidably arranged on the central slide rod 41, the top net body 35 being connected between the second buoyancy element 32 and the third buoyancy element 42. The central slide rod 41 and the third buoyancy member 42 thereon are similar in structure to the slide rod 31 and the second buoyancy member 32, and the side net 34 is connected between the second buoyancy member 32 and the third buoyancy member 42 to construct respective independent protection spaces above the independent grid spaces.
Specifically, the auxiliary assembly further comprises a fourth buoyancy member 43 arranged on the central rod 14, a GPS module for recording drift trajectories in real time and a camera module for shooting each grid space are arranged on the fourth buoyancy member 43, according to previous research, it is found that the color of algae is dark green, light yellow, white, the state of algae is sequentially deteriorated, white green algae is in a state before extinction, and the survival state of algae can be judged by shooting; it can be understood that the auxiliary camera module can be added with a remote control and data transmission module by a conventional means, and observation and recording of algae forms at various stages can be realized in a laboratory without manual round trip.
Specifically, the device further comprises a counterweight, wherein the counterweight comprises a counterweight block 52 connected to each end corner of the bottom supporting frame 11 through a traction rope 51, the counterweight block 52 is suspended in the center of the bottom of the box body, the center of gravity of the whole device is moved downwards, and the stability of the device in seawater is further improved.
In the invention, enteromorpha, enteromorpha aspera, enteromorpha linza and the like are respectively placed in different independent grid spaces at the initial stage and drift in seawater under the action of ocean current under the action of the first buoyancy piece 2. Because the independent grid space is formed by matching each rod body with the gauze, the flow of seawater in the independent grid space is not influenced, the consistency with the external marine environment can be ensured, and the influence of human factors is reduced; meanwhile, when the sea has a wave which is higher than the first buoyancy member 2 instantly, the second buoyancy member 32 can float along the slide rod 31 along with the wave to raise the height of the side net 34, so that green tide algae in the independent grid space can be prevented from being washed away or brought into other algae, other experimental interference can be avoided, the competitive relationship among different green tide algae in the process that the green tide algae floats from Jiangsu to Shandong can be researched in an auxiliary mode, and the explosion mechanism of the yellow sea green tide can be further disclosed.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.
Claims (6)
1. A green tide algae interspecific competition research device is characterized by comprising a net cage and a moisture-proof assembly arranged on the net cage, wherein the net cage comprises a bottom supporting frame, a top supporting frame, a supporting rod, a central rod, a bottom radiation rod, a top radiation rod and a gauze, the supporting rod is connected between the bottom supporting frame and the top supporting frame, the central rod is positioned in the centers of the bottom supporting frame and the top supporting frame, one end of the bottom radiation rod is connected to the central rod, the other end of the bottom radiation rod is circumferentially connected to the bottom supporting frame along the bottom supporting frame, one end of the top radiation rod is connected to the central rod, the other end of the top radiation rod is circumferentially connected to the top supporting frame along the top supporting frame, the bottom radiation rod and the top radiation rod are correspondingly arranged, a box body is divided into a plurality of independent grid spaces with top openings through the gauze, and a first buoyancy piece is arranged on the top supporting frame; the moisture-proof assembly comprises a sliding rod, a second buoyancy piece and a side net, the sliding rod is arranged on the top supporting frame corresponding to the grid space, the second buoyancy piece can be arranged on the sliding rod in a sliding mode, and the side net is connected to the top supporting frame and the second buoyancy piece; the sliding rod comprises a sleeve and a rod body sleeved in the sleeve, and a limiting ring is arranged at one end of the rod body sleeved in the sleeve; the second buoyancy piece comprises a base and a buoyancy block connected to the base, the diameter of the base is larger than that of the buoyancy block, a sliding hole is formed in the second buoyancy piece, the aperture of the bottom of the sliding hole is larger than that of the top of the sliding hole and larger than that of the middle of the sliding hole, and the diameter of the middle of the sliding hole is not smaller than that of the sleeve;
the moisture barrier assembly further comprises a top mesh connected between the second buoyancy members;
still include the auxiliary assembly, the auxiliary assembly is including connecting the third buoyancy of center litter on center pole and slidable setting on center litter, the top net body is connected between second buoyancy and third buoyancy.
2. The apparatus of claim 1, wherein the bottom support frame is a solid frame structure.
3. The green tide algae interspecific competition research device of claim 1, wherein the top support frame is a hollow frame structure.
4. The device for research on green tide algae interspecific competition as claimed in claim 1, wherein a limiting block is arranged at the top of the rod body.
5. The green tide algae interspecific competition research device of claim 1, wherein the auxiliary assembly further comprises a fourth buoyancy member disposed on the central rod, and a GPS module and a camera module for photographing each grid space are disposed on the fourth buoyancy member.
6. The green tide algae interspecies competition study device of any one of claims 1-5, further comprising a weight member, wherein the weight member comprises a weight block connected to each end corner of the bottom support frame by a pull string.
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| CN202110077735.4A CN113179936B (en) | 2021-01-20 | 2021-01-20 | Green tide algae interspecific competition research device |
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| CN202110077735.4A CN113179936B (en) | 2021-01-20 | 2021-01-20 | Green tide algae interspecific competition research device |
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| CN113179936B true CN113179936B (en) | 2023-03-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1208551A (en) * | 1997-08-15 | 1999-02-24 | 吴奕助 | Equipment for observing the breeding of sea livings by cultivating seaweed in ocean |
| KR101602492B1 (en) * | 2015-11-23 | 2016-03-10 | 조영준 | Quadrat |
| KR20190018083A (en) * | 2017-08-10 | 2019-02-21 | 한국해양과학기술원 | Marine organisms culturing apartments assembly for formation of marine eco village with slender structures |
| CN208594277U (en) * | 2018-05-23 | 2019-03-12 | 国家海洋局第一海洋研究所 | Marine green alga floats enclosure device |
| CN210090294U (en) * | 2019-05-23 | 2020-02-18 | 自然资源部第一海洋研究所 | Green alga sea area enclosure device |
| CN110803770B (en) * | 2019-11-08 | 2020-12-29 | 大连理工大学 | Integrated system suitable for ecological restoration and cultivation of intertidal zone wind power and monitoring combined system of wind power plant environment |
| CN211090694U (en) * | 2019-12-11 | 2020-07-28 | 自然资源部第一海洋研究所 | Collection device for seaweeds falling off from bank |
| CN212138778U (en) * | 2020-04-01 | 2020-12-15 | 辰源海洋科技(广东)有限公司 | Chain type anti-wave ocean ecological floating restoration device |
| CN111802293B (en) * | 2020-06-22 | 2022-07-29 | 山东省海洋资源与环境研究院 | Unrestrained marine ranch breeding device of anti-wind |
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