Layered large sampling area sampling method for marine benthic animals
A benthic and layered technology, applied in the direction of sampling devices, etc., can solve the problems of inaccurate sampling, poor controllability of operation, and no reports.
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Embodiment 1
[0054] A stratified large sampling area sampling method for marine benthos, such as Figure 1-5 As shown, the steps involved are:
[0055] Step 1, determine the coordinates of the ocean sampling point by GPS equipment;
[0056] Step 2, place the sample quadrat in the area where the marine sampling point is located and mark the location of the sample quadrat as the underwater sediment sampling area;
[0057] Step 3, collecting image information of the underwater sediment sampling area through imaging equipment;
[0058] Step 4, put the sampler with scale horizontally into the underwater sediment sampling area of step 2 and make the sampler put in equal to the seabed;
[0059] Step 5: collect the bottom mud layer by layer inside the sampler, and then place it in the sampling barrel and seal it.
[0060] The area of collecting bottom mud of the present invention is 0.25m 2 ~1.0m 2 .
[0061] The fifth step is specifically to collect the bottom mud layer by layer inside ...
Embodiment 2
[0078] A layered large sampling area sampling method for marine benthic animals, the main equipment used is a survey ship, diving equipment, GPS locator, underwater camera, underwater camera, sample square 1, sampler 2, wide-mouth plastic Bucket and flat spade etc.
[0079] Specific implementation steps:
[0080] 1. Positioning
[0081] Select the sedimentary sea area as the sediment, and the survey ship goes to the designated sea area, and uses the GPS locator to locate and determine the coordinates of the ocean sampling points.
[0082] 2. Put sample square 1
[0083] Arrive at the ocean sampling point and arrange for two divers to dive to the bottom of the sea, and then release sample 1 to the bottom of the sea.
[0084] 3. Collect images of the underwater sediment sampling area
[0085] Use a professional underwater camera or video camera to collect the image information of the apparent properties of the sediment and surface organisms where the sample plot 1 is located...
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