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 />
83<br />
Roberts Bank Dyke ditch at foot of 34th Street<br />
Tuesday, February 27, 2001 1050 3.0 0.3 thick grasses on the south bank,<br />
thick shrub <strong>and</strong> blackberry on<br />
the north bank<br />
Thursday, May 17, 2001 955 3.0 0.3 thick grasses on the south bank,<br />
thick shrub <strong>and</strong> blackberry on<br />
the north bank<br />
Tuesday, August 21, 2001 1110 4.0 0.8 thick grasses on the south bank,<br />
thick shrub <strong>and</strong> blackberry on<br />
the north bank<br />
Y 10% filamentous algae on<br />
submerged twigs<br />
Y 30% filamentous algae on<br />
submerged twigs<br />
Y 50% filamentous algae on<br />
submerged twigs<br />
84<br />
34th Street east ditch, ~ 700 meters north of 33A Avenue<br />
Tuesday, February 27, 2001 1105 2.0 0.3 grasses <strong>and</strong> Typha on the west<br />
bank, thick shrub <strong>and</strong> blackberry<br />
on the east side<br />
Thursday, May 17, 2001 1010 2.0 0.4 grasses <strong>and</strong> Typha on the west<br />
bank, thick shrub <strong>and</strong> blackberry<br />
on the east side<br />
Tuesday, August 21, 2001 1135 2.5 0.8 grasses <strong>and</strong> Typha on the west<br />
bank, thick shrub <strong>and</strong> blackberry<br />
on the east side<br />
Y 20% Typha, emergent<br />
grasses <strong>and</strong> at least 3<br />
species of potomogeton<br />
Y 20% Typha, emergent<br />
grasses <strong>and</strong> at least 3<br />
species of potomogeton<br />
Y 30% Typha, emergent<br />
grasses <strong>and</strong> at least 3<br />
species of potomogeton<br />
85<br />
Mason Canal at River Road West<br />
Tuesday, February 27, 2001 1130 40.0 2.0 grasses on all sides Y 0% none<br />
Thursday, May 17, 2001 1035 40.0 2.0 grasses on all sides Y 0% none<br />
Tuesday, August 28, 2001 945 40.0 2.0 grasses on all sides Y 0% duckweed, water fern<br />
(Azolla) <strong>and</strong> some<br />
filamentous algae<br />
86<br />
34th Street west ditch, ~ 700 meters north of 33A Avenue<br />
Tuesday, February 27, 2001 1115 1.5 0.4 grasses on both banks Y 0% Typha, emergent<br />
grasses <strong>and</strong><br />
potomogeton<br />
Thursday, May 17, 2001 1025 1.5 0.4 grasses on both banks Y 20% Typha, emergent<br />
grasses <strong>and</strong><br />
potomogeton<br />
Tuesday, August 21, 2001 1125 1.5 0.4 grasses on both banks Y 60% Typha, emergent<br />
grasses, potomogeton,<br />
duckweed <strong>and</strong><br />
filamentous algae<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 21 of 27