CN201414339Y - Measuring device for illumination intensity selection of larval fish - Google Patents
Measuring device for illumination intensity selection of larval fish Download PDFInfo
- Publication number
- CN201414339Y CN201414339Y CN2009200706353U CN200920070635U CN201414339Y CN 201414339 Y CN201414339 Y CN 201414339Y CN 2009200706353 U CN2009200706353 U CN 2009200706353U CN 200920070635 U CN200920070635 U CN 200920070635U CN 201414339 Y CN201414339 Y CN 201414339Y
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- Prior art keywords
- water tank
- fish
- transmission line
- illumination
- display
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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
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
The utility model discloses a measuring device for the illumination intensity selection of a larval fish, which comprises a cross rod, a water tank, a shading board, a semitransparent light board, a camera, a data transmission line, two incandescent lamps, a display, a display transmission line and a computer mainframe. The cross rod (1) is arranged at the top part of the water tank (2); the two incandescent lamps (5) are hung at the lower part of the cross rod; the shading board (3) and the semitransparent light board (4) are respectively fixed in the position parallel to the soleplate of thewater tank on the left lateral wall of the water tank and can be vertically adjusted; the camera (6) is fixed on the right lateral wall of the water tank (2) and is connected to the computer mainframe (10) through the data transmission line (7); and the display (8) is connected with the computer mainframe through the display transmission line (9). The utility model has the advantages of simple structure, high efficiency, easy popularization, convenient and feasible operation and accurate measuring result. The change on the demands of the fish to illumination intensity is digitally reflected in the measuring result.
Description
Technical field
The utility model belongs to technical field of aquaculture, particularly relates to a kind of fish prelarva to intensity of illumination determinator optionally.
Background technology
Animal in very long evolutionary process, along with the continuous development and perfection of nervous system 26S Proteasome Structure and Function, behavior from simple, moment with action regularly, a series of actions that thickens.The adaptive behavior of animal can be divided into two big fundamental types according to its complexity and variable pitch: (1) congenital behavior, comprise taxis, conditioned reflex, 3 kinds of behaviors of instinct, this behavior is finalized the design, and is mainly determined by neural hereditary capacity, and this is geneogenous; (2) acquired behavior comprises study and 2 kinds of behaviors of reasoning, and this class changes with experience and learning process, and this is acquired.There is not the reasoning behavior in fish as the low vertebrate of waiting in their behavior, mainly show as instinctive behavior, and clearly show taxis behavior and conditioned reflex behavior.
Fish behaviouristics aspect mainly contains 4 kinds of research methods.(1) field observation method: have the advantage of visualization and realization, comprise direct range estimation and Instrument observation two classes.(2) fishery harvesting test method(s): the fishery harvesting of using different fishing gears, fishing method relatively comes to find out indirectly the method for fish behavior, is convenient to the producer and uses.(3) flume experiment method: test in tank with fish or model netting gear, can get rid of the environmental factor of numerous complicated, strengthen the effect of some stimulus, be easy to directly observation and Quantitative Comparison, can be used as the basis of field trial.(4) shoal of fish Behavior modeling method: with the experimental result is foundation, and experimental data is revised discriminating, makes fish behavior rule carry out mathematicization, analyzes the correlation of fish and other factor.
Aquatic animal is subjected to the influence of many environmental ecology factors, and illumination is one of them ecological factor, and it has many-sided Ecology Action, affects the ingesting of animal directly or indirectly, grows, physiological activity such as breeding.Illumination is as the important ecological factor of occurring in nature, and is very obvious to the influence of animal behavior.For the variation of illumination, animal capable is regulated and self is made suitable behavior reaction.Illumination has very big influence to ingesting of aquatic animal, and the influence to animal of different intensities of illumination and photoperiod all has species specificity, and their relation is complicated.Under the different intensities of illumination, the predation rate of squawfish raises along with weakening of intensity of illumination, and the food ration of frog shape crab is then opposite, and the food ration of the frog shape crab young is 2 times of evening daytime.
In the early stage ontogeny of the fish stage, the taxis behavior is a most important characteristic, adopts selection (or being called hobby) test to carry out usually to the research of taxis.Prelarva behind the fish oosperm incubation of membrane, in the developmental stage living environment had specific requirement, illumination is one of significant effects factor wherein, need the illumination of higher-strength as some prelarva, some prelarva needs more low intensive illumination, some prelarva then needs dark surrounds, measures the particular demands of fish prelarva to intensity of illumination, can suit measures to local conditions to provide corresponding seed rearing condition.Therefore design a kind of accurate mensuration fish prelarva intensity of illumination is optionally installed, can grasp its law of development, have important function improving survival rate of young.
The utility model content
Technical problem to be solved in the utility model provides a kind of simple and easy to do, helps grasping the law of development of fish prelarva, and the fish prelarva of improving weed survival rate is to intensity of illumination determinator optionally.
The technical scheme that its technical problem that solves the utility model adopts is: provide a kind of fish prelarva to intensity of illumination determinator optionally, comprise cross bar, water tank, shadow shield, semi-transparent tabula rasa, video camera, data line, incandescent lamp, display, show transmission line and host computer, described tank top is placed 1 cross bar, the cross bar bottom hangs 2 incandescent lamps, a parallel shadow shield and half light-passing board fixed respectively with water tank bottom plate on the water tank left side wall, but described shadow shield and semi-transparent tabula rasa up-down adjustment, described video camera is fixed on the water tank right side wall, be connected to host computer by data line, described display is by showing that transmission line is connected with host computer.
Described water tank is made by fiberglass, highly is 1.0 meters, and the bottom is a rectangle, and length and width are respectively 2.4 meters, 0.8 meter; Described cross bar is a stainless steel, 1.0 meters of length; Described shadow shield is a square, and the length of side is 0.8 meter; Semi-transparent tabula rasa is a rectangle, and length and width are respectively 1.6 meters, 0.8 meter.
Beneficial effect
The utility model advantage is simple in structure, and the efficient height is easy to promote.Measurement result is illustrated the variation of fish to the intensity of illumination demand with digital form, and easy and simple to handle feasible, measurement result is accurate.
Description of drawings
Fig. 1 fish prelarva is to intensity of illumination determinator schematic diagram optionally.
Among the figure: 1. cross bar 2. water tanks 3. shadow shields 4. semi-transparent tabula rasa 5. incandescent lamps 6. video cameras 7. data lines 8. displays 9. show transmission line 10. host computers
Embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only to be used to the utility model is described and be not used in the restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
As shown in Figure 1, the utility model is made up of cross bar 1, water tank 2, shadow shield 3, semi-transparent tabula rasa 4, video camera 6, data line 7, incandescent lamp 5, display 8, demonstration transmission line 9, host computer 10.Water tank 2 is 1.0 meters highly, is made by fiberglass, and the bottom is a rectangle, and length and width are respectively 2.4 meters, 0.8 meter.1 stainless steel cross bar 1 is placed at water tank 2 tops, 1.0 meters of cross bar 1 length, and frame is on water tank 2.Cross bar 1 bottom hangs 2 incandescent lamps 5, for water tank 2 inside provide illumination.Fix 1 shadow shield 3 and 1 semi-transparent tabula rasa 4 respectively with screw on water tank 2 left side walls.Shadow shield 3 is a square, and the length of side is 0.8 meter.Semi-transparent tabula rasa 4 is a rectangle, and length and width are respectively 1.6 meters, 0.8 meter.Regulate the upper-lower position of shadow shield 3 and semi-transparent tabula rasa 4, make the bottom form 3 zones that intensity of illumination is different that area equates, be respectively the dark space, transition region and clear zone, the intensity of illumination scope in these 3 zones is respectively: 30～50lx, 200～300lx, 1000～1500lx.Video camera 6 usefulness screws are fixed on the water tank right side wall, are connected to host computer 10 by data line 7.Video camera 6 is taken the moving position of whole bottom fish prelarva, and the image of shooting is presented on the computer monitor 8, and display 8 is by showing that transmission line 9 is connected with host computer 10, so that observe and record.
When measuring the fish prelarva, put 1 electronic watch in that computer is other to the selectivity of intensity of illumination.Ready water is poured in the water tank into 0.2 meter of the depth of water.Connect video camera and computer, the image that video camera is taken appears on the display.Prelarva then that 1 tail is to be determined is put into water tank, and after 10 minutes, prelarva is movable stable excessively.This moment, opening entry time and the residing position of prelarva as were arranged in the dark space, then were designated as the dark space, were arranged in the clear zone, then were designated as the clear zone.Whenever prelarva swims in addition 1 when regional from 1 zone, all note time and residing regional location then.Continue observed and recorded 30 minutes, pull this tail prelarva then out.Be reentered into other 1 tail prelarva and measure, by that analogy, measure 10 tail prelarvas by tail.After mensuration finishes, add up every tail fish respectively in the dark space, time in transition region and clear zone, then can grasp prelarva this developmental stage to intensity of illumination characteristics optionally, account for 78.8% such as the time that is positioned at the dark space, the time that is positioned at transition region accounts for 12.2%, the time that is positioned at the clear zone accounts for 9.0%, shows that then this prelarva has the demand in the dark waters of significant selection in stage.By measuring every day, then can grasp prelarva to intensity of illumination variation characteristic optionally, the time that was positioned at the dark space such as the 1st day accounts for 84.2%, then became 76.3% on the 2nd day, the 3rd day be 78.3%, the 4 day be 65.6%, the 5 day be 47.8%, then show prelarva along with development time prolongs, select the time in dark waters to reduce gradually.Grasp this feature, can in artificial breeding, take corresponding measure, so that improve survival rate.
Claims (2)
1. a fish prelarva is to intensity of illumination determinator optionally, comprise cross bar (1), water tank (2), shadow shield (3), semi-transparent tabula rasa (4), video camera (6), data line (7), incandescent lamp (5), display (8), show transmission line (9) and host computer (10), it is characterized in that: 1 cross bar (1) is placed at described water tank (2) top, cross bar (1) bottom hangs 2 incandescent lamps (5), a parallel shadow shield (3) and half light-passing board (4) fixed respectively with water tank bottom plate on water tank (2) left side wall, described shadow shield (3) and semi-transparent tabula rasa (4) but up-down adjustment, described video camera (6) is fixed on water tank (2) right side wall, be connected to host computer (10) by data line (7), described display (8) is connected with host computer (10) by showing transmission line (9).
2. a kind of fish prelarva according to claim 1 is to intensity of illumination determinator optionally, and it is characterized in that: described water tank (2) is made by fiberglass, highly is 1.0 meters, and the bottom is a rectangle, and length and width are respectively 2.4 meters, 0.8 meter; Described cross bar (1) is a stainless steel, 1.0 meters of length; Described shadow shield (3) is a square, and the length of side is 0.8 meter; Semi-transparent tabula rasa (4) is a rectangle, and length and width are respectively 1.6 meters, 0.8 meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200706353U CN201414339Y (en) | 2009-04-17 | 2009-04-17 | Measuring device for illumination intensity selection of larval fish |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200706353U CN201414339Y (en) | 2009-04-17 | 2009-04-17 | Measuring device for illumination intensity selection of larval fish |
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| Publication Number | Publication Date |
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| CN201414339Y true CN201414339Y (en) | 2010-03-03 |
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| CN2009200706353U Expired - Fee Related CN201414339Y (en) | 2009-04-17 | 2009-04-17 | Measuring device for illumination intensity selection of larval fish |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103098744A (en) * | 2013-02-06 | 2013-05-15 | 大连海洋大学 | Aquatic animal illumination selection experimental system |
| CN103168731A (en) * | 2013-04-02 | 2013-06-26 | 中国水产科学研究院淡水渔业研究中心 | Multi-water-depth and multi-angle underwater fish camera system |
| CN103766257A (en) * | 2014-01-22 | 2014-05-07 | 四川大学 | Fish vision and temperature response research device and method |
| CN104839054A (en) * | 2015-04-20 | 2015-08-19 | 中国水产科学研究院长江水产研究所 | Experimental facility for research of behaviors of fishes threatened by water pressure |
| CN105594638A (en) * | 2015-12-17 | 2016-05-25 | 中国水产科学研究院东海水产研究所 | Method for obtaining illumination intensity suitable for growth and development of juvenile pomfret |
| CN106015862A (en) * | 2016-05-27 | 2016-10-12 | 浙江省海洋水产研究所 | Monitoring device in fish spawning site protection area |
-
2009
- 2009-04-17 CN CN2009200706353U patent/CN201414339Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103098744A (en) * | 2013-02-06 | 2013-05-15 | 大连海洋大学 | Aquatic animal illumination selection experimental system |
| CN103168731A (en) * | 2013-04-02 | 2013-06-26 | 中国水产科学研究院淡水渔业研究中心 | Multi-water-depth and multi-angle underwater fish camera system |
| CN103766257A (en) * | 2014-01-22 | 2014-05-07 | 四川大学 | Fish vision and temperature response research device and method |
| CN103766257B (en) * | 2014-01-22 | 2015-05-20 | 四川大学 | Fish vision and temperature response research device and method |
| CN104839054A (en) * | 2015-04-20 | 2015-08-19 | 中国水产科学研究院长江水产研究所 | Experimental facility for research of behaviors of fishes threatened by water pressure |
| CN104839054B (en) * | 2015-04-20 | 2017-09-15 | 中国水产科学研究院长江水产研究所 | A kind of experimental provision of the lower Fish behavior research of hydraulic pressure stress |
| CN105594638A (en) * | 2015-12-17 | 2016-05-25 | 中国水产科学研究院东海水产研究所 | Method for obtaining illumination intensity suitable for growth and development of juvenile pomfret |
| CN106015862A (en) * | 2016-05-27 | 2016-10-12 | 浙江省海洋水产研究所 | Monitoring device in fish spawning site protection area |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100303 Termination date: 20120417 |