Survey of Fish Populations in Cell E of the Long Lake Containment Facility, Ekati Diamond Mine (BHP Billiton, October 2003)
This report documents a fish population survey of Cell E of the Long Lake Containment Facility at the Ekati Diamond Mine conducted in August 2003, comparing 22 biological variables with pre-development conditions from 1994 and 1997 to assess the facility's impacts on fish communities. The survey found that most fish population characteristics showed no significant change, with higher catch rates of adult fish but evidence of reduced juvenile recruitment possibly due to loss of spawning habitat caused by dyke construction.
- Date
- Document type
- Report
- Parties
- BHP Billiton Diamonds Inc., Rescan Environmental Services Ltd., North Shore Environmental Services Ltd., Applied Technical Services Ltd., ALS Environmental, Northwest Territories Water Board
- Locations
- Ekati Diamond Mine, Northwest Territories, Long Lake, Cell E, Long Lake Containment Facility, Koala Watershed, Koala Pit, Panda Pit, Fox Pit, Beartooth Pit, Leslie Lake, Lac de Gras, Vulture Lake, Counts Lake, Nanuq Lake, Horseshoe Watershed, Pigeon Watershed, Yellowknife, Moose Lake, Nema Lake, Slipper Lake, Kodiak Lake, Cujo Lake, King-Cujo Watershed, Fay Lake, Logan Lake, Ross Lake
- Parameters
- fish populations, lake trout, round whitefish, catch per unit effort, fish abundance, fish length, fish weight, fish age, fish condition, sexual maturity, reproductive status, sex ratios, growth rates, mortality rate, hepatosomatic index, gonadosomatic index, fecundity, diet, stomach contents, tissue metal concentrations, mercury, fish health, water quality, pH, total suspended solids, ammonia, aluminum, arsenic, copper, nickel, spawning habitat, Arctic grayling, burbot
- Pages
- 123
Original document
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