Chuck Pepe-Ranney edited Results.tex  almost 10 years ago

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\subsection{Planktonic and biofilm community structure}  \subsubsection{Alpha diversity}  We evaluated alpha diversity in all treatments for both the plankton and the biofilm communities using rarefaction curves. Rarefaction curves showed bacterial and algal OTU richness was consistently higher in the biofilm compared to the planktonic communities (Figure 4). However, for For  both the algalcommunity  and bacterial community analysis sequence datasets  the biofilm and planktonic communities had the fewest OTUs in the highest C:P treatment (500) (C:P = 500)  (Figure 4). \subsubsection{Community membership biofilm versus plankton}  Bacterial community membership between the plankton and biofilm communities was notably different for all treatments except for the highest carbon treatment where the plankton and biofilm communities at day 17 were more similar to each other than any other community (Figure 5). Algal plankton and biofilm communities were also composed of different OTUs however the similarity among algal plankton and biofilm communities in the highest carbon treatment was not observed as it was for the bacterial communities (Figure 5).