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

Site Date Time
Channel Channel Riparian Vegetation Location Crown In-Stream
Width Depth of Riparian Closure Vegetation
(m) (m) Vegetation (%)
31
East-West farm ditch at Highway 91, west side (~ 200 meters north of Lorne Ditch)
Wednesday, December 20, 2000 930 2.0 0.5 thich shrub and some small trees
on the south bank, grass on the
north side
Thursday, April 19, 2001 1105 2.0 0.5 thich shrub and some small trees
on the south bank, grass on the
north side
Thursday, July 26, 2001 955 1.5 0.4 thich shrub and some small trees
on the south bank, grass on the
north side
Y 10% emergent grasses
Y 10% emergent grasses
Y 10% emergent grasses,
duckweed, waterstarwort,
and thick
microcystis
32
Ladner Trunk Road (Highway 10) north ditch, opposite the entrance to Oliver Park
Wednesday, December 20, 2000 945 1.5 0.4 grass on both banks Y 0% emergent grasses
Tuesday, April 17, 2001 1020 1.0 0.4 grass on both banks Y 40% emergent grasses
Thursday, July 26, 2001 840 1.0 0.3 grass on both banks Y 100% emergent grasses, waterstarwort
and thick
microcystis mats
35
Boundary Bay Dyke ditch, half way between the foot of 104th and 112th Streets
Wednesday, December 20, 2000 1015 5.0 0.8 thick grass and blackberry on the
south bank, grass and some
shrubs on the north side
Tuesday, April 24, 2001 1020 4.0 0.7 thick grass and blackberry on the
south bank, grass and some
shrubs on the north side
Monday, July 30, 2001 1100 2.0 0.6 thick grass and blackberry on the
south bank, grass and some
shrubs on the north side
Y 20% none
Y 20% none
Y 20% none
36
Ladner Trunk Road (Highway 10) south ditch, ~ 500 - 600 meters west of 88th Street
Tuesday, January 02, 2001 1105 2.0 0.5 thick trees, shrubs, blackberry
on the south bank, grass on the
north side
Thursday, April 26, 2001 915 2.0 0.5 thick trees, shrubs, blackberry
on the south bank, grass on the
north side
Tuesday, August 07, 2001 930 3.0 0.5 thick trees, shrubs, blackberry
on the south bank, grass on the
north side
Y 50% some emergent grasses
Y 50% some emergent grasses
Y 50% some emergent grasses,
and a thick cover of
duckweed
Riparian Vegetation = plant species comprising riparian vegetation
Crown Cover = % of wetted channel covered by vegetation
In-Stream Vegetation = emergent and submergent plant species
Location of Riparian Vegetation:
Y= major growth located on critical west or south banks
N= no vegetation or major growth located on east or north banks
Wednesday, June 25, 2003 Page 9 of 27