Echiuropus bekmanae n.sp. (Crustacea, Amphipoda, Carinogammaridae) from Lake Baikal, retrieved by a new deep-water sampling device |
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| Authors: | Irina V Mekhanikova Gauthier Chapelle Claude De Broyer |
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| Institution: | (1) Limnological Institute, Siberian Branch of the Russian Academy of Sciences, P.O. Box 4199, Irkutsk, 664033, Russia;(2) Department of Invertebrates, Royal Belgian Institute of Natural Sciences, rue Vautier 29, B-1000 Brussels, Belgium |
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| Abstract: | Lake Baikal is well known for its exceptional diversity of gammarid amphipods, with 95% of endemics from its 270 described species representing about 20% of the world freshwater fauna. Echiuropus (Asprogammarus) bekmanae n.sp. was collected by an `autonomous trap system', a sampling device thoroughly described here. Although not necrophagous itself, this new species was found in two baited trap samples (at 750 and more than 1600 m) from 1995 and 1996. This rather small (13 mm) deep water species is the eighth species of the subgenus Asprogammarus, of the Baikal endemic genus Echiuropus. Diagnoses of the subgenus and the closer species are given. |
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| Keywords: | taxonomy Baikal abyssal Amphipoda Echiuropus bekmanae n sp autonomous trap system |
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