Aquatic Plant Survey 2019

Aquatic Plant Survey Sept 16/ 2019

Volunteers: Ron and Joanne Delage; Carolyn Richman [Environmental Education Officer, Planning Department, District of Saanich]; Mary Haig-Brown; Winona Pugh; and Lori James Derry

Plant Sampling Sites:
Site # 1: North 48*30’25” X West 123*26’29”
Site # 2: North 48*30’28” X West 123*26’41”
Site # 3: North 48*30’47” X West 123*26’48”
Site # 4: North 48*30’47 X West 123*26’27”
Site # 5: North 48*31’ 5” X West 123*26’25”
Site # 6: North 48*30’47” X West 123*26’29”
Site # 7: North 48*30’47” X West 123*26’54
Site # 8: North 48*30’47” X west 123* 26’54”

Sample Locations:

Site 1 Southern bay

@ 2meters
Ceratophyllum demersum (coontail)

@ 4 meters
Ceratophyllum demersum (coontail)
Vallisneria americana (eel grass)

@ 6 meters – too shallow for sample

Site 2: Blethman Creek

@ 2 meters
Elodea canadensis (Canada waterweed)
Vallisneria americana (eel grass)
Potamogeton robbinsii (fern pondweed)
Ceratophyllum demersum (coontail)

@4 meters

Ceratophyllum demersum (coontail) dense

@ 6 meters –
Ceratophyllum demersum (coontail) dense

Site 3 Estelline Bay

@ 2 meters –
Myriophyllum sibericum (northern water milfoil) native

Myrophyllum spicatum (eurasian water milfoil) invasive
Elodea canadensis (Canada waterweed)
Vallisneria americana (eel grass)
@ 4 meters
Myriophyllum sibericum (northern water milfoil) native

(possibly eurasan milfoil)
Ceratophyllum demersum (coontail)
Vallisneria americana (eel grass)
Chara or Nitellas ( muskgrass)
@ 6 meters – unidentified sample photographed
Myriophyllum sibericum (northern water milfoil) native

(possibly eurasan milfoil) sparse
Ceratophyllum demersum (coontail)

Site 4 Northwest bay

@ 2 meters
Potamogeton amplifolius (big leaf pondweed)
Potamogeton robbinsii (fern pondweed)
Vallisneria americana (eel grass)
@ 4 meters
Elodea canadensis (Canada waterweed)

Ceratophyllum demersum (coontail) dense

@ 6 meters
Ceratophyllum demersum (coontail) dense

Site 5: Killarney Creek

@ 2 meters
Vallisneria americana (eel grass)
Ceratophyllum demersum (coontail)
Elodea canadensis (Canada waterweed)
Myriophyllum sibericum (northern water milfoil)

native Myriophyllum spicatum (eurasian water milfoil) invasive

@ 4 meters
Potamogeton robbinsii (fern pondweed)
Ceratophyllum demersum (coontail)

@ 6 meters –
Myriophyllum sibericum (northern water milfoil) native

(possibly eurasan milfoil) sparse
Ceratophyllum demersum (coontail)

Site 6: Echo Bay

@ 2 meters
Elodea canadensis (Canada waterweed)
Potamogeton robbinsii (fern pondweed)
Vallisneria americana (eel grass)
Potamogeton amplifolius (big leaf pondweed)

@ 4 meters
Ceratophyllum demersum (coontail) dense
Potamogeton robbinsii (fern pondweed)
Vallisneria americana (eel grass)
Elodea canadensis (Canada waterweed)

@ 6 meters

Ceratophyllum demersum (coontail)

Potamogeton robbinsii (fern pondweed)

Site 7: shallow shelf

@2 meters
no plants

@4 meters
Potamogeton robbinsii (fern pondweed)
unidentified filimentous

@ 6 meters
no plants

Site 8: shoreline extremely sloping to deepest point of the lake at 14 meters

@ 2 meters
Elodea canadensis (Canada waterweed) sparse

@ 4 meters
Elodea canadensis (Canada waterweed)
Chara (Muskgrass)

@ 6 meters,
Elodea canadensis (Canada waterweed
Chara (Muskgrass)