Experiment device and method for testing approach behavior of fishes on bubble curtain and lamplight
A technology of experimental device and experimental method, applied in fish farming, climate change adaptation, application, etc., can solve the problems of single function, inability to analyze multi-factor coupling, low efficiency, etc., and achieve the effect of intuitive comparability
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Embodiment 1
[0030] see Figure 1-5 , an experimental device for testing the behavior of fish towards bubble curtains and lights. The main body of the experimental device is a multi-channel "U"-shaped experimental water tank 1 with a size of 410cmX300cmX35cm; It is four independent working areas; the bottom of the experimental water tank 1 is provided with a bubble tube 5, and the side wall is provided with a flashlight belt 4; the bottom of the experimental water tank 1 is connected to an air supply pump; , and connected with the air pipe 2; the flash light strip 4 is cemented on the inner wall of the experimental water tank 1; the front end of the experimental water tank 1 is provided with a block 10 and a rectifying grid 9.
[0031] In a preferred solution, the bubble tube 5 is made of PVC with a diameter of 10 mm, and bubble holes with a diameter of 1.2 mm are arranged above the tube wall, and the hole distance is 1 cm;
[0032] In a preferred solution, the bubble tube 5 can produce b...
Embodiment 2
[0039] Working condition 1: Exploring the tendency behavior of fish towards different density bubble curtains
[0040] In the experimental device for testing the tendency behavior of fish to bubble curtains and lights, working condition 1 only tests the tendency behavior of fish to bubble curtains of different densities. Before being officially used in the experiment, the air supply pump 11 was turned on 5 minutes in advance to generate bubble curtains of different densities in the four experimental areas a, b, c, and d respectively, and the densities were respectively: 0, 40, 80, 100 L / min. Where 0 is the contrast parameter.
[0041] When the bubble curtain enters a stable working state, 50 experimental fish are put into the adaptation area 12, and after the experimental fish adapt to the environment for 5 minutes, the block 10 is removed.
[0042] The experiment time is 1 hour, observe the activities of 50 experimental fish in each area, observe the pass rate, attempt rat...
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