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Article: Effects of a diamond mine on tundra-breeding birds.
- Article from:
- Arctic
- Article date:
- September 1, 2005
- Author:
CopyrightCOPYRIGHT 2005 Arctic Institute of North America of the University of Calgary. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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ABSTRACT. Breeding birds (songbirds, shorebirds, and ptarmigan) were surveyed at the Ekati Diamond Mine in Canada's Northwest Territories from 1996 through 2003. Surveys were conducted on permanent, 25 ha mine and control plots. Five metrics (relative density of individual species, relative density of all birds, species richness using rarefaction curves, and species diversity using two indices) were used to assess potential impacts up to a distance of 1 km from the mine. Six species were more common on mine plots, and three were more common on control plots. Species diversity was slightly higher on mine plots when measured with Fisher's alpha index. No other metrics ...
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Article: DGI Group eyes Billiton's Ekati diamond mine in ...
AP Worldstream;
March 24, 2004 ;
379 words
...AP Worldstream 03-24-2004 Dateline: TORONTO Israel's DGI Group says it wants to buy Canada's first producing diamond mine, the Ekati mine, in the Northwest Territories. DGI, which had offered to buy the mine last year but was rejected by owner BHP Billiton, said Wednesday it has formed a consortium
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