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