CN101700002A - Experimental method and device for determining curve for adaptability to current speed of fish habitat - Google Patents

Experimental method and device for determining curve for adaptability to current speed of fish habitat Download PDF

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Publication number
CN101700002A
CN101700002A CN200910272824A CN200910272824A CN101700002A CN 101700002 A CN101700002 A CN 101700002A CN 200910272824 A CN200910272824 A CN 200910272824A CN 200910272824 A CN200910272824 A CN 200910272824A CN 101700002 A CN101700002 A CN 101700002A
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fish
flow velocity
curve
habitat
adaptability
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CN200910272824A
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CN101700002B (en
Inventor
刘德富
黄钰铃
黄应平
诸葛亦斯
欧阳丽
刘稳
刘国勇
韩京成
曹婷婷
王从锋
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China Three Gorges University CTGU
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China Three Gorges University CTGU
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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 invention provides an experimental method for determining the curve for the adaptability to the current speed of a fish habitat. The experimental method comprises the following steps: constructing a water tank provided with annular channels with the widths thereof being gradually varied, so as to form the current state of which the current speed is gradually varied in the annular channels; and observing the growth conditions of experimental fishes in the areas with different current speeds after stocking the experimental fishes, so as to construct the curve for the adaptability to the current speed of the fish habitat. The invention further provides a device for determining the curve for the adaptability to the current speed of the fish habitat. The device comprises the water tank, wherein a partitioning wall is arranged in the water tank; the extended line of the partitioning wall and the lateral edge of the water tank form a certain included angle; the partitioning wall divides the areas in the water tank into the ring-shaped channels; a power unit is mounted at one end of the annular channel; and a slot matching a moveable blocking net is formed on the wall of the water tank. The device and the method provided by the invention are capable of rapidly and accurately providing the curve for the adaptability to the current speed of the fish habitat and have the advantages of simple method steps, convenient operation and low cost.

Description

Experimental technique and device that curve for adaptability to current speed of fish habitat is determined
Technical field
The present invention relates to laboratory method and device that a kind of curve for adaptability to current speed of fish habitat is determined.
Background technology
At present, biological habitat method is one of main method of ecological water demand of rivers calculating, and in the method, determining of the flow velocity suitability curve of different biological habitats is crucial.Fit is with the influence of the numeric representation habitat factor of the habitat (depth of water, flow velocity, matrix etc.) between 0～1 to fingerling in the flow velocity suitability curve, situation for the existence of habitat factor of the habitat optimum fingerling, giving numerical value is 1, the situation of least suitable fingerling existence, and giving numerical value is 0.Fit is the Basic of Biology of IFIM method, and the authenticity of its simulation and accuracy play a part crucial for the success of habitat simulation.
Now the method determined of the flow velocity suitability curve of Chang Yong fish habitat mainly contains three kinds: 1. expert's viewpoint and historical document method, by expert's experience judgement and the record in the historical summary document, by means such as the on-the-spot identifications in roundtable conference discussion, expert's survey and habitat, obtain curve for adaptability to current speed of fish habitat; 2. the field can utilize the position statistic law, and the habitat that river internal object fish are being utilized can utilize the position to carry out obtaining after the measurement of envirment factors such as flow velocity, the statistics suitability curve of envirment factor correspondence such as flow velocity; 3. the catches quantity statistics method carries out the measurement of envirment factor to different waters, carries out biological salvaging simultaneously, the quantity of catches is carried out statistical analysis obtain the suitability curve of this biology to the varying environment factor.
In said method, though expert's viewpoint and historical document method are derived from authoritative experience, expense is little, and feedback information in time but whether accurate the factors such as accuracy, that document is put down in writing of its result and expert's experienced degree, subjective judgement be relevant has certain subjectivity; The two kinds of methods in back all will be carried out a large amount of field investigations, have the cycle long, workload is big, expense high with and precision be subjected to what shortcomings such as influence of sample number.
Summary of the invention
Technical problem to be solved by this invention provides experimental technique and the device that a kind of curve for adaptability to current speed of fish habitat is determined, it can provide curve for adaptability to current speed of fish habitat accurately and rapidly, and method step is simple, easy to operate, expense is low.
The experimental technique that a kind of fish habitat flow velocity adaptability curve is determined, it may further comprise the steps:
Structure has the sink body of the annular channel of width gradual change;
Provide power with power set, in annular channel, form different flow velocity districts, different flow velocitys is separated out, the attemperating unit and the oxygen device that exposes to the sun are installed with movable block;
Certain Density " Experiment fish is put into each flow velocity district, and the physiological ecological index of experiment fish is set up curve for adaptability to current speed of fish habitat according to index in the routine test different in flow rate district.
Density＜5kg/m of experiment fish 3
In the annular channel, the Peak Flow Rate that the Peak Flow Rate in different in flow rate district 〉=the experiment fish can tolerate, the minimum flow velocity that the minimum flow velocity in different in flow rate district≤the experiment fish can tolerate.
The device that a kind of fish habitat flow velocity adaptability curve is determined, comprise sink body, sink body one end is curved, and sink body is provided with row's silt mouth, is provided with partition wall in the sink body, expose to the sun oxygen device and attemperating unit are installed on the partition wall, the extended line of partition wall and the side of sink body are in a certain angle, and partition wall is separated into annular channel with the sink body inner region, and annular channel one end is equipped with power set, the tank body wall is provided with at least one slot, and movable block matches with slot.
It is 10 °～60 ° that the extended line of partition wall and the side of sink body are the angle number of degrees.
Partition wall is provided with the arc partition wall near an end of power set.
Bottom, annular channel different in flow rate district broken-up laying has matrix, and matrix is river sand or cobble or mud.
The experimental technique that curve for adaptability to current speed of fish habitat provided by the invention is determined, the truth of simulation fish habitat in sink body, by the situation of observation experiment fish in the growth of different in flow rate district, image data is determined fish habitat flow velocity adaptability curve, avoided the cycle of existing method long, workload is big, expense is high and the shortcoming of low precision, the curve for adaptability to current speed of fish habitat that can provide accurately and rapidly, method step is simple, easy to operate, expense is low.
The device that fish provided by the invention habitat flow velocity adaptability curve is determined, because the zone in the sink body is separated to form the width gradual change annular channel by divider wall, power set provide power that water is flowed in annular channel and form gradually varied flow, cooperate the use of expose to the sun oxygen device and attemperating unit, real simulation the actual conditions of fish habitats; The arc partition wall makes near the zone the power set form power set layout district, and low flow velocity area of slack water is not subjected to energetic disturbance in the control arc, has guaranteed the effect that power set driving water flows; Be laid on matrix in the different flow velocity districts and simulated the water-bed environment of fish habitats more truly.The advantage that this device also has is simple in structure, cost is low, be suitable for promoting.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the front view that installs among the present invention;
Fig. 2 is the vertical view that installs among the present invention;
Fig. 3 is the A-A view of Fig. 1 of the present invention;
Fig. 4 is the fish habitat flow velocity adaptability curve that is obtained by method of the present invention.
Embodiment
The experimental technique that a kind of fish habitat flow velocity adaptability curve is determined, it may further comprise the steps:
As Fig. 1, Fig. 2 and shown in Figure 3, make up the sink body 13 of the annular channel 14 that has width gradual change in indoor laboratory;
Provide power with power set 7, in annular channel 14, form different flow velocity districts, different flow velocitys is separated out, attemperating unit 6 is installed and is exposed to the sun oxygen device 5 with movable block 3;
With density is 4kg/m 3The experiment fish put into each flow velocity district, the periodic monitoring body weight, height, the spleen coefficient, amylase, protease, lipase, sebum alcohol, blood sugar, lactate dehydrogenase, glutamic-pyruvic transaminase, glutamic-oxalacetic transaminease, alkaline phosphatase, total protein, albumin, globulin, Archon ratio, T-CHOL, 18 indexs such as triglycerides, and be protide with above 18 indexs with F1～F6 by factorial analysis, the blood enzyme, apparent class, the blood sugar class, digestive enzymes, the common factor that 6 of spleen classes etc. have a professional meaning is summarized and is replaced, and wherein arbitrary common factor all has separately contribution degree promptly to every index effect.18 index states of reflection fish physiological ecological are represented by common factor and its contribution degree fully:
F new = ( S 1 2 m F 1 + S 2 2 m F 2 + S 3 2 m F 3 + S 4 2 m F 4 + S 5 2 m F 5 + S 6 2 m F 6 ) / Σ j = 1 6 S j 2 m
Use New Set F NewReplace the physiological ecological situation of original 18 indexs reflection fish,, obtain the F under all flow velocitys and the time situation pilot fish observation substitution computing formula NewBecause the function that the decline of the dimension of data, flow velocity are coerced the response of fish physiological ecological just can pass through F NewRepresent with the functional relation of water velocity.Calculate seven regional F such as flow velocity 0,0.15,0.25,0.4,0.6,0.7 and 0.9m/s NewAverage, be significant unimodal parabola, F New=-0.59+3.5v-3.84v 2, R 2=0.9157.
Suppose that the experiment fish of putting into is a crucian, the induction flow velocity of crucian is 0.2m/s, and the hobby flow velocity is 0.3～0.6m/s, limit velocity 0.8m/s.F NewCurve can accurately embody the induction situation of crucian to flow velocity, and the flow velocity coordinate is got 0.3～0.6m/s scope, F NewBe in peak region, maximum appears at flow velocity 0.456m/s; Flow speed value is during less than 0.2m/s or greater than 0.8m/s, F NewAll be in the low value zone.Therefore represent the overall target F of 18 physiologic factors NewMust reflect the level of comfort of fish for flow velocity.Adaptively take parameter on trendline 0～1, with F NewCurve carry out Coordinate Conversion, F New=0.208+3.5v-3.84v 2, as shown in Figure 4.
The device that a kind of fish habitat flow velocity adaptability curve is determined, comprise sink body 13, sink body 13 1 ends are curved, sink body 13 rows of being provided with silt mouth 2, be provided with partition wall 9 in the sink body 13, expose to the sun oxygen device 5 and attemperating unit 6 are installed on the partition wall 9, the side of the extended line of partition wall 9 and sink body 13 is in a certain angle, partition wall 9 is separated into annular channel 14 with sink body 13 inner regions, annular channel 14 1 ends are equipped with power set 7, the tank body wall is provided with slot 8, and movable block 3 matches with slot 8.
It is 10 °～60 ° that the side of the extended line of partition wall 9 and sink body 13 is the angle number of degrees.
Partition wall 9 is provided with arc partition wall 15 near an end of power set 7, and the radian of arc partition wall 15 is 45 °～75 °.
Bottom, annular channel 14 different in flow rate districts broken-up laying has matrix 4, and matrix 4 is river sand 10 or cobble 11 or mud 12.
The use of the device that fish of the present invention habitat flow velocity adaptability curve is determined is as follows:
During use, open power set 7, oxygen device 5 and attemperating unit 6 expose to the sun, power set 7 promote water and flow, in annular channel 14, form different flow velocity districts, in different flow velocity districts, lay different matrix 4, cobble 11 is laid in the rapids zone that flow velocity is bigger, river sand 10 is laid in the medium zone of flow velocity, mud 12 is laid in the slow area of slack water of flow velocity, the expose to the sun probe entry of oxygen device 5 and attemperating unit 6, for fish existence provides preference temperature and sufficient oxygen,, in different flow velocity districts, put into the experiment fish and can begin experiment with in the movable block 3 insertion slots 8 different flow velocity differentiations being separated.
Sink body 13 is made up of support 1 and glass, and support 1 is a girder steel, and the glass of sink body 13 arch sections adopts lucite, and the glass of remainder adopts simple glass; Partition wall 9 and arc partition wall 15 are the concrete partition wall.

Claims (7)

1. the experimental technique determined of a fish habitat flow velocity adaptability curve is characterized in that may further comprise the steps:
Structure has the sink body (13) of the annular channel (14) of width gradual change;
Provide power with power set (7), in annular channel (14), form different flow velocity districts, different flow velocitys is separated out, the attemperating unit (6) and the oxygen device (5) that exposes to the sun are installed with movable block (3);
Certain Density " Experiment fish is put into each flow velocity district, and the physiological ecological index of experiment fish is set up curve for adaptability to current speed of fish habitat according to index in the routine test different in flow rate district.
2. the experimental technique that fish according to claim 1 habitat flow velocity adaptability curve is determined is characterized in that: density＜5kg/m of experiment fish 3
3. the experimental technique that fish according to claim 1 and 2 habitat flow velocity adaptability curve is determined, it is characterized in that: in the annular channel (14), the Peak Flow Rate that the Peak Flow Rate in different in flow rate district 〉=the experiment fish can tolerate, the minimum flow velocity that the minimum flow velocity in different in flow rate district≤the experiment fish can tolerate.
4. the device determined of a fish habitat flow velocity adaptability curve, comprise sink body (13), sink body (13) one ends are curved, sink body (13) row of being provided with silt mouthful (2), it is characterized in that: be provided with partition wall (9) in the sink body (13), expose to the sun oxygen device (5) and attemperating unit (6) are installed on the partition wall (9), the side of the extended line of partition wall (9) and sink body (13) is in a certain angle, partition wall (9) is separated into annular channel (14) with sink body (13) inner region, annular channel (14) one ends are equipped with power set (7), the tank body wall is provided with at least one slot (8), and movable block (3) matches with slot (8).
5. the device that fish according to claim 4 habitat flow velocity adaptability curve is determined, it is characterized in that: it is 10 °～60 ° that the side of the extended line of partition wall (9) and sink body (13) is the angle number of degrees.
6. the device that fish according to claim 4 habitat flow velocity adaptability curve is determined is characterized in that: partition wall (9) is provided with arc partition wall (15) near an end of power set (7).
7. according to claim 4 or the definite device of 6 described fish habitat flow velocity adaptability curves, it is characterized in that: bottom, annular channel (14) different in flow rate district broken-up laying has matrix (4), and matrix (4) is river sand (10) or cobble (11) or mud (12).
CN2009102728243A 2009-11-20 2009-11-20 Experimental method and device for determining curve for adaptability to current speed of fish habitat Expired - Fee Related CN101700002B (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103621454A (en) * 2013-11-27 2014-03-12 蔡德所 Fish body length lossless measurement water tank
CN104472401A (en) * 2014-11-13 2015-04-01 水利部交通运输部国家能源局南京水利科学研究院 Method for testing flow velocity induction of fish
CN105432512A (en) * 2014-09-01 2016-03-30 耿泽平 Protective net applied to sea cucumber culture
CN105783976A (en) * 2016-03-23 2016-07-20 上海海洋大学 Biomagnetic response device
CN107702883A (en) * 2017-08-18 2018-02-16 水利部交通运输部国家能源局南京水利科学研究院 The complex flowfield realization device and method of a kind of aquatile ecology hydraulic experiment
CN111802307A (en) * 2020-07-29 2020-10-23 湖南工商大学 Zebra fish training device
CN113065689A (en) * 2021-03-18 2021-07-02 中国水利水电科学研究院 Multi-habitat urban ecological water system construction system and method

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103621454A (en) * 2013-11-27 2014-03-12 蔡德所 Fish body length lossless measurement water tank
CN105432512A (en) * 2014-09-01 2016-03-30 耿泽平 Protective net applied to sea cucumber culture
CN104472401A (en) * 2014-11-13 2015-04-01 水利部交通运输部国家能源局南京水利科学研究院 Method for testing flow velocity induction of fish
CN105783976A (en) * 2016-03-23 2016-07-20 上海海洋大学 Biomagnetic response device
CN107702883A (en) * 2017-08-18 2018-02-16 水利部交通运输部国家能源局南京水利科学研究院 The complex flowfield realization device and method of a kind of aquatile ecology hydraulic experiment
CN107702883B (en) * 2017-08-18 2019-07-02 水利部交通运输部国家能源局南京水利科学研究院 A kind of the complex flowfield realization device and method of aquatile ecology hydraulic experiment
CN111802307A (en) * 2020-07-29 2020-10-23 湖南工商大学 Zebra fish training device
CN111802307B (en) * 2020-07-29 2022-03-29 湖南工商大学 Zebra fish training device
CN113065689A (en) * 2021-03-18 2021-07-02 中国水利水电科学研究院 Multi-habitat urban ecological water system construction system and method
CN113065689B (en) * 2021-03-18 2023-11-07 中国水利水电科学研究院 Multi-habitat urban ecological water system construction system and method

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