≤20-fold over 10 to 30 mm
||Stocker R. Marine microbes see a sea of gradients. Science. 2012 Nov 2 338(6107):628-33. doi: 10.1126/science.1208929. p.629 left column 2nd paragraphPubMed ID23118182
||J. R. Seymour, J. G. Mitchell, L. Pearson, R. L. Waters, Heterogeneity in bacterioplankton abundance from 4.5 millimetre resolution sampling, Aquat. Microb. Ecol. 22, 143 (2000). doi:10.3354/ame022143
||(primary source abstract:) "A suite of pneumatically operated sampling devices was employed to investigate distributional patterns of marine bacteria at the millimetre scale."
||"Likely as a consequence of...heterogeneity,
bacteria are also heterogeneously distributed, with
recorded variations in cell concentration of up to
20-fold over 10 to 30 mm (primary source). Thus, despite its
superficial homogeneous appearance, the water
column can have a rich physical, chemical, and
biological microarchitecture, not unlike that of
environments dominated by surfaces, such as sediments
or animal hosts."