Surface Water - Alabama Department of Environmental Management

Appendix O-1. Physical characteristics and habitat quality of sites assessed in the Black Warrior and Cahaba River basins during ADEM's Ecoregional Reference Reach Program, 1998-2002.
CU 0109 0109 0109 0109 0110 0110 0110 0110 0110 0110 0110 0110
Sub-watershed 080 080 080 080 010 010 010 010 010 010 010 010
Appendix O-1--Page 2 of 5
Station MRTC-1 MRTC-1 MRTC-1 MRTC-1 SF-2 SF-2 TPSL-1 TPSL-1 TPSL-1 TPSL-1 TPSL-1 TPSL-1
Date (YYMMDD) 020620 020701 020716 021114 020606 020612 020320 020605 020612 020806 021106 021218
Subecoregion 68e 68e 68e 68e 68e 68e 68e 68e 68e 68e 68e 68e
Drainage area (mi 2 ) 9 9 9 9 15 15 15 15 15 15
Width (ft) 7 12 40 20 70 80 30 25 25 30 36 25
Canopy cover b S 50/50 50/50 50/50 O 50/50 50/50 50/50 50/50 MO 50/50
Depth (ft) Riffle 0.3 0.2 0.5 0.5 0.5 0.3 0.3 0.5 0.7 0.4
Run 0.5 0.5 1.0 0.8 2.5 2.0 2.5 1.0 1.3 0.1 1.4 0.7
Pool 0.8 1.5 2.0 3.5 4.0 3.0 2.0 4.0 0.0 0.0 1.5
Substrate (%) Bedrock 82 80 75 83 54 36 0 0 0 0 0 2
Boulder 1 5 2.5 5 10 23 0 5 3 5 2 2
Cobble 2 5 2.5 2 1 5 2 42 35 5 2 10
Gravel 3 5 5 5 0 1 50 43 42 50 47 46
Sand 5 5 5 2 30 25 45 5 15 30 46 35
Silt 4 0 5 0 3 6 0 1 2 0 0 1
Detritus 3 0 6 3 2 4 3 4 3 10 3 4
Clay 0 0 0 0 0 0 0 0 0 0 0 0
Organic silt 0 0 0 0 0 0 0 0 0 0 0 0
Habitat assessment form c RR RR RR RR GP GP RR RR RR RR RR RR
Instream habitat quality 58 36 51 61 44 53 71 83 72 55 68 88
Sediment deposition 86 90 58 98 80 83 74 81 75 78 80 78
Sinuosity 50 90 98 100 58 48 85 88 68 100 100 88
Bank and vegetative stability 54 38 59 78 90 79 66 50 49 33 34 88
Riparian measurements 85 100 91 80 95 96 100 90 88 100 98 99
Habitat assessment score 160 160 166 195 159 161 194 185 168 167 175 214
% Maximum 66 66 69 81 72 73 81 77 70 70 73 89
Assessment d Good Good Good Excellent Excellent Excellent Excellent Excellent Good Good Excellent Excellent
a. No flow; Assessment not conducted
b. Canopy cover: S=shaded; MS=mostly shaded; 50/50=50% shaded; MO=mostly open; O=open
c. Habitat assessment form: RR=riffle/run (Barbour et al. 1999); GP=glide/pool (Barbour et al. 1999)
d. Assessment guidelines based on data collected at reference sites, 1991-2003; NG=no assessment guidelines