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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 />

90<br />

16th Avenue north ditch, between Highway 17 <strong>and</strong> 52nd Street (fronting Tsawwassen Golf Course)<br />

Tuesday, March 06, 2001 940 4.5 0.5 thick grass, blackberry <strong>and</strong><br />

shrubs on both banks<br />

Tuesday, May 29, 2001 915 4.0 0.6 thick grass, blackberry <strong>and</strong><br />

shrubs on both banks<br />

Tuesday, August 28, 2001 1135 3.0 0.7 thick grass, blackberry <strong>and</strong><br />

shrubs on both banks<br />

Y 0% some emergent grasses,<br />

Typha, scirpus,<br />

potomogeton <strong>and</strong> elodea<br />

Y 0% some emergent grasses,<br />

Typha, scirpus,<br />

potomogeton <strong>and</strong> elodea<br />

Y 10% some emergent grasses,<br />

Typha, scirpus,<br />

potomogeton, elodea,<br />

duckweed <strong>and</strong><br />

filamentous algae<br />

91<br />

South <strong>Delta</strong> Rec Centre perimeter ditch at pumpstation, western end of 19th Avenue<br />

Tuesday, March 06, 2001 1005 2.0 0.5 grasses on both banks, some<br />

small shrubs on the north side<br />

Tuesday, May 29, 2001 955 2.0 0.5 grasses on both banks, some<br />

small shrubs on the north side<br />

Tuesday, August 28, 2001 1150 3.0 0.6 grasses on both banks, some<br />

small shrubs on the north side<br />

Y 0% some emergent grasses,<br />

potomogeton, elodea<br />

<strong>and</strong> water-starwort<br />

Y 10% some emergent grasses,<br />

potomogeton, elodea<br />

<strong>and</strong> water-starwort<br />

Y 30% some emergent grasses,<br />

potomogeton, elodea,<br />

water-starwort,<br />

duckweed <strong>and</strong><br />

filamentous algae<br />

92<br />

South <strong>Delta</strong> Rec Centre perimeter ditch at origin, corner of 58A Street <strong>and</strong> 17A Avenue<br />

Tuesday, March 06, 2001 1025 2.5 0.4 thick grass on both banks, thick<br />

shrub <strong>and</strong> trees on the south side<br />

Tuesday, May 29, 2001 1020 2.5 0.5 thick grass on both banks, thick<br />

shrub <strong>and</strong> trees on the south side<br />

Tuesday, August 28, 2001 1200 2.5 0.5 thick grass on both banks, thick<br />

shrub <strong>and</strong> trees on the south side<br />

Y 70% some emergent grasses<br />

Y 80% some emergent grasses<br />

Y 100% some emergent grasses,<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 23 of 27

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