Phytoplankton Measuring and Culture Techniques

distribution of cells on filter is non-random (often are concentrated at edge) – again, need to count strips across the membrane or many fields for an accurate count Staining with a fluorescent dye (e.g., AO or DAPI), filtration and examination under epi-fluorescent scope (need 2 filter sets – one for stain and one for autofluorescence) ................
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