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 />
74<br />
46A Street west ditch between Mason Canal <strong>and</strong> 36th Avenue<br />
Wednesday, February 21, 2001 1100 5.0 1.5 grasses on both banks Y 0% none<br />
Tuesday, August 21, 2001 845 5.0 1.5 grasses on both banks Y 5% extensive surface cover<br />
of water fern<br />
75<br />
46A Street east ditch between Mason Canal <strong>and</strong> 44A Avenue<br />
Wednesday, February 21, 2001 1105 3.0 0.8 grasses <strong>and</strong> some hardhack <strong>and</strong><br />
blackberry on both banks<br />
Thursday, May 17, 2001 800 3.0 0.8 grasses <strong>and</strong> some hardhack <strong>and</strong><br />
blackberry on both banks<br />
Tuesday, August 21, 2001 920 3.0 0.8 grasses <strong>and</strong> some hardhack <strong>and</strong><br />
blackberry on both banks<br />
Y 10% ceratophylum<br />
Y 10% ceratophylum<br />
Y 10% ceratophylum <strong>and</strong> cover<br />
of duckweed<br />
76<br />
34B Avenue north ditch, halfway between Arthur Drive <strong>and</strong> 46A Street (immediately west of white board fence)<br />
Tuesday, February 27, 2001 940 1.5 0.3 grasses <strong>and</strong> some hardhack on<br />
both banks<br />
Thursday, May 17, 2001 1225 1.5 3.0 grasses <strong>and</strong> some hardhack on<br />
both banks<br />
Thursday, August 09, 2001 1010 1.5 0.6 grasses <strong>and</strong> some hardhack on<br />
both banks<br />
Y 10% potomogeton <strong>and</strong> elodea<br />
Y 30% potomogeton <strong>and</strong> elodea<br />
Y 80% very dense potomogeton<br />
<strong>and</strong> elodea, waterstarwort<br />
<strong>and</strong> duckweed<br />
77<br />
53rd Street west ditch, on south off ramp to <strong>Delta</strong>port Way<br />
Wednesday, February 21, 2001 910 3.5 0.4 grasses on the east bank,<br />
blackberry on the west side<br />
Tuesday, May 15, 2001 1025 3.5 0.4 grasses on the east bank,<br />
blackberry on the west side<br />
Thursday, August 09, 2001 935 4.0 0.6 grasses on the east bank,<br />
blackberry on the west side<br />
Y 0% potomogeton<br />
Y 0% potomogeton<br />
Y 5% potomogeton <strong>and</strong><br />
duckweed<br />
78<br />
41B Street west ditch, ~50 meters north of <strong>Delta</strong>port Way<br />
Wednesday, February 21, 2001 925 4.0 0.3 thick grasses on both banks,<br />
thick blackberry on the west side<br />
Thursday, May 17, 2001 910 4.0 0.3 thick grasses on both banks,<br />
thick blackberry on the west side<br />
Tuesday, August 21, 2001 1030 5.0 0.8 thick grasses on both banks,<br />
thick blackberry on the west side<br />
Y 0% none<br />
Y 0% none<br />
Y 5% filamentous algae on<br />
submerged twigs<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 19 of 27
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