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Coleoptera identified from the Horton Kirby site, near London
Depth relative to Ordinance Datum (OD) http://www.pol.ac.uk/ntslf/tides/datum.htmlData show minimum number of individuals per sample. -
Macroinvertebrate abundance in river biotopes across England and Wales
For information on sampling areas and sampling design see Method section of Demars et al. (2012).