jpy12056-sup-0001-AppendixS1.docxWord document30KAppendix S1. Sources and preparation of the materials, reagents and samples used for chemical analysis of the ATS biomass.
jpy12056-sup-0002-FigS1.tifimage/tif658KFigure S1. Surging device at the input of Floway #1. This dump-trough, mounted on a single nylatron rod axis, fills with water and dumps approximately every 30 s, providing an oscillatory flow in the ATS floway. Note the dense buildup of diatom biomass (primarily Berkeleya) on the floway.
jpy12056-sup-0003-FigS2.tifimage/tif977KFigure S2. Floway #1 during the spring of 2011. At this time a mix of Ulva intestinalis, Berkeleya rutilans, and Ulothrix sp. dominated the floway with dense, stringy masses.
jpy12056-sup-0004-FigS3.tifimage/tif5671KFigure S3.Hand-woven 3-D growth substrate (vertical, braided fibers attached at the nodes of a 5 mm mesh, spiral-wound, basal screen) overlying the “standard” 2-D, 2 × 5 mm mesh screen.
jpy12056-sup-0005-FigS4.tifimage/tif7802KFigure S4. Temperature of the Great Wicomico River at the ATS water intakes, and the discharge temperature of Floway #1.

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