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Delta Fish and Amphibian Study 2000-2003_ DATA ...

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Site Date Time<br />

Channel Channel Riparian Vegetation Location Crown In-Stream<br />

Width Depth of Riparian Closure Vegetation<br />

(m) (m) Vegetation (%)<br />

67<br />

53rd Street east ditch at north end of <strong>Delta</strong>port Way overpass<br />

Tuesday, February 20, 2001 1000 2.0 0.3 grasses on the west bank, thick<br />

scirpus on the east side<br />

Tuesday, May 15, 2001 1015 2.0 0.4 grasses on the west bank, thick<br />

scirpus on the east side<br />

Thursday, August 09, 2001 920 2.5 0.6 grasses on the west bank, thick<br />

scirpus on the east side<br />

Y 0% some emergent<br />

vegetation <strong>and</strong><br />

potomogeton<br />

Y 5% some emergent<br />

vegetation <strong>and</strong><br />

potomogeton<br />

Y 10% some emergent<br />

vegetation,<br />

potomogeton,<br />

filamentous algae <strong>and</strong><br />

duckweed<br />

68<br />

Mason Canal at 46A Street, east side<br />

Tuesday, February 20, 2001 1035 5.0 1.0 thick grasses on both banks east<br />

of 46A; thick grasses on the<br />

north bank <strong>and</strong> thick shrub <strong>and</strong><br />

trees on the south bank east of<br />

46A<br />

Tuesday, May 15, 2001 1115 7.0 1.5 thick grasses on both banks east<br />

of 46A; thick grasses on the<br />

north bank <strong>and</strong> thick shrub <strong>and</strong><br />

trees on the south bank east of<br />

46A<br />

Tuesday, August 21, 2001 905 8.0 2.0 thick grasses on both banks east<br />

of 46A; thick grasses on the<br />

north bank <strong>and</strong> thick shrub <strong>and</strong><br />

trees on the south bank east of<br />

46A<br />

Y 0% none<br />

Y 0% none<br />

Y 5% duckweed <strong>and</strong> water fern<br />

69<br />

36th Avenue north ditch, ~500 meters west of Arthur Drive<br />

Tuesday, February 20, 2001 1020 1.0 0.3 sparse grass (very disturbed) on<br />

the south bank, thick shrub <strong>and</strong><br />

trees on the north side<br />

Tuesday, May 15, 2001 935 1.0 0.3 sparse grass (very disturbed) on<br />

the south bank, thick shrub <strong>and</strong><br />

trees on the north side<br />

Tuesday, August 21, 2001 800 1.5 0.5 sparse grass (very disturbed) on<br />

the south bank, thick shrub <strong>and</strong><br />

trees on the north side<br />

N 0% potomogeton <strong>and</strong> waterstarwort<br />

N 10% potomogeton <strong>and</strong> waterstarwort<br />

N 10% potomogeton, waterstarwort<br />

<strong>and</strong> a thick<br />

cover of duckweed<br />

Riparian Vegetation = plant species comprising riparian vegetation<br />

Crown Cover = % of wetted channel covered by vegetation<br />

In-Stream Vegetation = emergent <strong>and</strong> submergent plant species<br />

Location of Riparian Vegetation:<br />

Y= major growth located on critical west or south banks<br />

N= no vegetation or major growth located on east or north banks<br />

Wednesday, June 25, <strong>2003</strong> Page 17 of 27

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