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 />
109<br />
Tilbury Slough south channel, west side of Hopcott Road (72nd Street)<br />
Tuesday, March 26, 2002 1300 20.0 1.0 Weeping willow, Himalayan<br />
blackberry <strong>and</strong> low brush on<br />
slough edge<br />
Wednesday, August 07, 2002 935 10.0 0.3 Weeping willow on both banks,<br />
Himalayan blackberry <strong>and</strong> willow<br />
on north slough edge<br />
Tuesday, February 25, <strong>2003</strong> 940 20.0 0.4 Weeping willow on both banks,<br />
Himalayan blackberry <strong>and</strong> willow<br />
on north slough edge<br />
Y 0% very thick Typha <strong>and</strong><br />
scirpus growth<br />
Y 0% Thick Typha, grasses<br />
<strong>and</strong> P. Loosestrife;<br />
duckweed &<br />
Ceratophyllum<br />
Y 0% very thick Typha <strong>and</strong><br />
scirpus growth<br />
110<br />
Tilbury Slough, west side of Ross Road (76th Street)<br />
Tuesday, March 26, 2002 1350 40.0 2.0 Some large trees, low shrub,<br />
Himalayan blackberry <strong>and</strong> thick<br />
grasses on slough edge<br />
Y 0% very thick Typha growth,<br />
some emergent grasses,<br />
microcystis mats<br />
Wednesday, August 07, 2002 1000 40.0 1.5 Cottonwood <strong>and</strong> alder both sides Y 0% Thick Typha <strong>and</strong><br />
arrowhead, some P.<br />
Loosestrife; thick elodea<br />
& some duckweed<br />
Tuesday, February 25, <strong>2003</strong> 1000 40.0 2.0 Some large trees, low shrub,<br />
Himalayan blackberry <strong>and</strong> thick<br />
grasses on slough edge<br />
Y 0% very thick Typha growth,<br />
some emergent grasses,<br />
111<br />
Tilbury Slough, east side of Ross Road (76th Street)<br />
Tuesday, March 26, 2002 1407 30.0 1.5 Some low shrub <strong>and</strong> Himalayan<br />
blackberry<br />
Wednesday, August 07, 2002 1020 40.0 2.0 Some low shrub <strong>and</strong> trees at SW<br />
corner, Himalayan blackberry,<br />
snowberry, scirpus & grasses<br />
Tuesday, February 25, <strong>2003</strong> 1020 40.0 2.0 Some low shrub <strong>and</strong> Himalayan<br />
blackberry<br />
N 0% very thick Typha growth,<br />
microcystis mats<br />
N 0% Thick Typha<br />
N 0% very thick Typha growth,<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 2 of 13