in which, f is the diatom flux (valves m 2 d 1), N is the number of diatoms counted under microscope, A is the area of the petri dish, F is the total particle flux (mg m 2 d 1), n is the number of fields of vision counted for diatoms under the microscope, a is the area of one field of vision, and m is the weight of sample (mg) used for diatom analysis.
in which, f is the diatom flux (valves m 2 d 1), N is the number of diatoms counted under microscope, A is the area of the petri dish, F is the total particle flux (mg m 2 d 1), n is the number of fields of vision counted for diatoms under the microscope, a is the area of one field of vision, and m is the weight of sample (mg) used for diatom analysis.
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