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Surface Water - Alabama Department of Environmental Management

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Appendix Q--Page 2 <strong>of</strong> 2<br />

Appendix Q. Summary <strong>of</strong> periphyton assessment results. Phosphorus-limited conditions are shown in red.<br />

Study Reaches<br />

Periphyton CAFC-1 PA-1 BINC- BWCUA-1 CANW-2 DRYB- DUCC- EMIC- FMCJ-4 GRVB-4<br />

Metrics 020430 020613 190<br />

020522<br />

020612 020612 11<br />

020523<br />

69<br />

020523<br />

73a<br />

020523<br />

020612 020523<br />

Level IV<br />

Ecoregion<br />

Mean Diatom<br />

Diversity<br />

MUDC-<br />

2<br />

020621<br />

MUDJ-2<br />

020607<br />

NORF-<br />

28c<br />

020616<br />

RYNC-1<br />

020522<br />

VA-1<br />

020613<br />

VLGJ-4<br />

020613<br />

GSAMF-<br />

35<br />

020709<br />

67h 67h 68d 68f 68f 68d 68d 68d 68f 68d 68d 68f 68f 68e 68f 68f 68e 68e<br />

3.05 4.58 4.31 3.63 3.69 4.02 3.38 4.25 4.11 3.14 3.96 2.94 3.34 4.03 3.68 3.27 4.41 4.44<br />

Periphyton 0.05 11.10 0.86 1.14 9.88 5.44 3.42 7.80 17.10 5.12 5.67 0.45 10.20 22.30 9.93 26.90 18.90<br />

Chl a mg/m 2<br />

RPS Mean 0.32 1.94 0.58 1.47 0.60 2.66 0.61 0.90 0.75 0.49 0.96 0.93 0.81 1.27 1.16 1.62 0.03 0.86<br />

algal density<br />

RPS Mean % 0.0 81.0 24.4 45.0 53.0 80.0 20.0 90.0 0.0 0.0 53.0 12.0 0.0 26.0 26.0 23.0 90.0 31.0<br />

filamentous<br />

algal cover<br />

Ave. % 0.0 81.0 28.0 45.0 61.0 80.0 20.0 92.0 0.0 0.0 63.0 16.0 0.0 31.0 26.0 30.0 93.0 36.0<br />

Periphyton<br />

cover on<br />

suitable<br />

substrate<br />

Ave. Max<br />

Periphyton<br />

Length inches<br />

0.0 6.0 0.5 1.4 0.8 3.6 0.1 0.9 0.0 0.0 0.5 0.2 0.0 0.6 2.4 5.0 7.4 1.1<br />

LFKB-2<br />

020702<br />

Max<br />

Periphyton<br />

Length inches<br />

0.0 24.0 1.1 6.0 2.5 8.0 0.7 2.0 0.0 0.0 1.0 0.7 0.0 1.3 8.0 15.0 24.0 4.0<br />

Ave TP µg/L 446.0 54.6 27.8 30.9 197.1 393.7 103.3 8.4 51.8 236.2 66.5 176.0 77.4<br />

Max TP µg/L 83 84 65 66 346 1140 414 36 82 982 75 176 110<br />

Ave TN µg/L 424 1016 2091 453 411 1149 1740 3755 17342 765 205 292 1477 1268 2405 1264<br />

Max TN µg/L 1145 2414 2984 581 846 1903 1740 5494 43561 2336 721 885 4135 2034 2405 2294<br />

TN:TP 9 19 75 18 13 6 29 9 10 7 24 6 6 19 14 16

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