The Relict Fauna of Greiner Lake, Victoria Island, N.W.T., Canada
A survey of Greiner Lake in Victoria Island revealed the presence there of four species usually considered to be 'relicts' of marine or glacial events. The species are: Mysis relicta, Limnocalanus macrurus, Gammaracanthus loricatus aestuariorum and Mesidothea (Saduria) entomon. M. entomon...
| Published in: | Journal of the Fisheries Research Board of Canada |
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| Main Author: | |
| Format: | Article in Journal/Newspaper |
| Language: | English |
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Canadian Science Publishing
1962
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| Subjects: | |
| Online Access: | http://dx.doi.org/10.1139/f62-073 http://www.nrcresearchpress.com/doi/pdf/10.1139/f62-073 |
| Summary: | A survey of Greiner Lake in Victoria Island revealed the presence there of four species usually considered to be 'relicts' of marine or glacial events. The species are: Mysis relicta, Limnocalanus macrurus, Gammaracanthus loricatus aestuariorum and Mesidothea (Saduria) entomon. M. entomon is a new record for fresh waters isolated from contact with the sea in North America and G. loricatus aestuariorum is a new record for this region. Greiner Lake (15 m above sea level) is in an area that has risen from the sea within the last 1,300 years. It has a maximum depth of 11 m and a maximum summer temperature of approximately 8 °C. An analysis of the lake water is given and also a brief account of other species present. Possible methods for the arrival of the relicts in Victoria Island are discussed. |
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