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Surface Water - Alabama Department of Environmental Management

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Appendix O-1. Physical characteristics and habitat quality <strong>of</strong> sites assessed in the Black Warrior and Cahaba River basins during ADEM's Ecoregional Reference Reach Program, 1998-2002.<br />

CU 0110 0110 0110 0110 0111 0111 0111 0111 0111 0111 0112 0112<br />

Sub-watershed 080 080 080 080 070 070 070 070 070 070 100 100<br />

Appendix O-1--Page 4 <strong>of</strong> 5<br />

Station BLVC-1 BLVC-1 BLVC-1 BLVC-1 HNMB-4 HNMB-4 HNMB-4 HNMB-4 HNMB-4 HNMB-4 BERT-4 BERT-4<br />

Date (YYMMDD) 020618 020626 020715 021209 000613 020321 020524 020529 020626 021209 020418 020604<br />

Subecoregion 68d 68d 68d 68d 67f 67f 67f 67f 67f 67f 68f 68f<br />

Drainage area (mi 2 ) 9 9 9 9 12 12<br />

Width (ft) 10 10 30 23 10 20 8 15 15 15 20 25<br />

Canopy cover b MS MS MS MO S 50/50 MS MO MS 50/50 50/50 S<br />

Depth (ft) Riffle 0.3 0.2 0.5 0.5 0.5 0.5 0.5 0.2 0.3 0.3<br />

Run 0.8 0.5 1.0 1.0 1.0 1.0 1.3 0.5 0.5 1.5 1.5<br />

Pool 1.0 2.0 3.0 1.5 1.8 1.5 1.0 2.0 3.0<br />

Substrate (%) Bedrock 12 20 0 10 20 5 0 25 20 0 0 0<br />

Boulder 10 25 10 5 14 5 8 10 30 30 5 0<br />

Cobble 25 25 10 10 40 40 50 35 30 20 40 1<br />

Gravel 30 20 10 37 20 40 40 17 10 35 40 2<br />

Sand 15 7 60 36 1 3 10 5 10 3 5 85<br />

Silt 2 3 2 0 1 0 0 2 0 1 5 5<br />

Detritus 6 0 6 2 4 2 2 6 0 11 4 4<br />

Clay 0 0 2 0 0 0 0 0 0 0 0 3<br />

Organic silt 0 0 0 0 0 0 0 0 0 0 1 0<br />

Habitat assessment form c RR RR RR RR RR RR RR RR RR RR RR GP<br />

Instream habitat quality 67 46 72 76 87 81 95 93 87 88 88 42<br />

Sediment deposition 69 84 55 60 94 83 91 90 89 93 90 68<br />

Sinuosity 85 70 60 100 93 100 95 93 95 100 100 38<br />

Bank and vegetative stability 60 60 65 74 81 90 88 93 78 76 68 48<br />

Riparian measurements 93 100 95 100 100 100 94 100 100 100 98 76<br />

Habitat assessment score 177 166 177 196 215 211 218 223 212 217 204 125<br />

% Maximum 74 69 74 81 90 88 91 93 88 90 85 57<br />

Assessment d Excellent Good Excellent Excellent Excellent Excellent Excellent Excellent Excellent Excellent Excellent Good<br />

a. No flow; Assessment not conducted<br />

b. Canopy cover: S=shaded; MS=mostly shaded; 50/50=50% shaded; MO=mostly open; O=open<br />

c. Habitat assessment form: RR=riffle/run (Barbour et al. 1999); GP=glide/pool (Barbour et al. 1999)<br />

d. Assessment guidelines based on data collected at reference sites, 1991-2003; NG=no assessment guidelines

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