Online automatic phytoplankton monitoring at several locations performed by flowcytometry (CytoSense-CytoSub)

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To overview Avg Euclidean groups distinctness (Δ+) vs variance (&Lamba;+) Avg. group distinctn. Δ+ vs. variation &Lamba;+ Δ+= =[ ΣΣi<j ω ]ij / [c(c-1)/2] (c= total clusters) versus the Variation in cluster distinctness &Labda;+=[ [ΣΣi<j (ω]ij - Δ)+] / [c(c-1)/2] Particles with similar optical properties are clustered into groups or clusters. Sometimes, these clusters contain pure phytoplankton species of one kind, but it is also possible that it consist of several fytoplankton species due to similar optical properties. D1(x1,x2) = √( Σ(y1j-y2j)^2), y1j,y2j are normalized distances. All indexes acc. Legendre, Warwick en Clark)