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"But they were unaware that the great majority of the #biota, perhaps 99%, easily streamed through the holes of their nets; the holes were simply too big to capture these microbes. Even when membrane flters and microscopy were used, and they revealed great diversity of #microplankton and #nanoplankton, most #microbes evaded detection. The view of the pelagic web of life that emerged and became entrenched for a century was then based on a tiny fraction of marine biota."

Farooq Azam, 2011