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

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<strong>Delta</strong> <strong>Fish</strong> & <strong>Amphibian</strong> Studies<br />

Watercourse Channel Characteristics<br />

<strong>Delta</strong> Agri-Lowl<strong>and</strong> Watercourses<br />

<strong>2000</strong>-2001<br />

Site Date Time<br />

Channel Channel Riparian Vegetation Location Crown In-Stream<br />

Width Depth of Riparian Closure Vegetation<br />

(m) (m) Vegetation (%)<br />

1<br />

Centre Slough at 80th Street, pool downstream (east) of 80th Street culvert<br />

Friday, November 24, <strong>2000</strong> 1015 3.0 0.4 grasses on the north bank,<br />

shrubs <strong>and</strong> some small trees on<br />

south<br />

Thursday, April 26, 2001 1040 3.0 0.4 grasses on the north bank,<br />

shrubs <strong>and</strong> some small trees on<br />

south<br />

Tuesday, August 07, 2001 900 3.0 0.5 grasses on the north bank,<br />

shrubs <strong>and</strong> some small trees on<br />

south<br />

Y 0% some emergent grasses<br />

Y 0% some emergent grasses<br />

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

Y 0% some emergent grasses<br />

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

2<br />

Centre Slough at confluence with east section of Boundary Bay Airport perimeter ditch<br />

Friday, November 24, <strong>2000</strong> 1204 4.5 1.0 primarily grasses on both banks,<br />

some shrubs on south bank to<br />

the west<br />

Thursday, April 26, 2001 1015 4.5 1.0 primarily grasses on both banks,<br />

some shrubs on south bank to<br />

the west<br />

Tuesday, August 07, 2001 835 8.0 1.5 primarily grasses on both banks,<br />

some shrubs on south bank to<br />

the west<br />

Y 0% some emergent grasses<br />

Y 0% some emergent grasses<br />

Y 0% some emergent grasses<br />

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

3<br />

Centre Slough / Charleton Slough, immediately east of 104th Street<br />

Friday, November 24, <strong>2000</strong> 1230 4.0 1.0 shrubs <strong>and</strong> blackberry on both<br />

banks<br />

Tuesday, April 24, 2001 1035 4.0 1.0 shrubs <strong>and</strong> blackberry on both<br />

banks<br />

Monday, July 30, 2001 1120 4.0 1.5 shrubs <strong>and</strong> blackberry on both<br />

banks<br />

Y 5% some emergent grasses,<br />

duckweed, elodea <strong>and</strong><br />

microcystis<br />

Y 5% some emergent grasses,<br />

duckweed, elodea <strong>and</strong><br />

microcystis<br />

Y 5% some emergent grasses,<br />

duckweed, elodea <strong>and</strong><br />

microcystis<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 1 of 27

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