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Toolik Weather Graphs

Arctic LTER Weather Stations

Toolik Webcam

Animated Gif of yesterday's Webcam

Arctic LTER Inhouse login

Lake E1

(insert picture)

Bathymetric Map


Since 1991 lake E1 has been part of a long term fish density expereiment involving the introduction of Slimy Sculpin (Cottus cognatus).

Lake Description

Location: 68o38 N, 149o33

Elevation (m): 771

Surface Area (ha): 2.9

Volume (cubic meters): 75,000

Mean Depth (m): 1.2

Max Depth (m): 11.0

Catchment Area (ha): NA

Water Retention Time (years): NA


Arctic Grayling (Thymallus arcticus)

Slimy sculpin (Cottus cognatus)-introduced


Keratella cochlearis

Keratella quadrata

Kellicottia longispina

Polyarthra vulgaris

Chromogaster ecaudis

Conochilus unicornis

Synchaeta sp.


Daphnia middendorffiana

Heterocope septentrionalis

Daphnia longiremis

Bosmina longirostris

Diaptomus pribilofensis

Cyclops scutifer

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