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 0112 0112 0113 0113 0113 0113
Sub-watershed 100 100 030 030 030 030
Appendix O-1--Page 5 of 5
Station BERT-4 BERT-4 SSB-1 SSB-1 SSB-1 SSB-1
Date (YYMMDD) 020808 021119 020402 020515 020718 030108
Subecoregion 68f 68f 65i 65i 65i 65i
Drainage area (mi 2 ) 12 12 21 21 21 21
Width (ft) 12 25 15 15 16
Canopy cover b S MS MS S MS 50/50
Depth (ft) Riffle 0.2 0.5 0.0
Run 0.5 1.0 1.0 1.0 1.5
Pool 1.0 3.0 2.0 2.5
Substrate (%) Bedrock 0 0 0 0 0 0
Boulder 20 2 0 0 0 0
Cobble 30 20 0 0 0 0
Gravel 30 35 0 0 0 0
Sand 1 35 80 70 80 89
Silt 15 3 5 10 10 2
Detritus 3 5 15 16 10 8
Clay 0 0 0 2 0 1
Organic silt 1 0 0 2 0 0
Habitat assessment form c RR RR GP GP GP GP
Instream habitat quality 76 78 60 56 53 69
Sediment deposition 46 61 83 83 66 84
Sinuosity 73 98 80 53 80 88
Bank and vegetative stability 65 59 58 58 45 88
Riparian measurements 100 93 100 95 100 100
Habitat assessment score 171 190 162 151 147 186
% Maximum 71 79 74 69 67 84
Assessment d Excellent Excellent Excellent Excellent 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