Results from biological investigations of krill (Euphausia superba) in the Southern Indian Ocean during SIBEX I

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概要

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• During March/April 1984 South Africa studied the hydrology of an area of the South Indian Ocean (52-64°E) as part of the first phase of the Second International BIOMASS Experiment (SIBEX). Both Bongo and neuston nets were deployed at each of 45 oceanographic stations and krill (Euphausia superba DANA) were collected. Net sample analyses showed post-larval krill to be unevenly distributed throughout the survey area and concentrated in the East Wind Drift south of the 0℃ surface temperature isotherm. The mean areal biomass of post-larval krill was 5.5×(10)^5t (±45%). Only late stage larvae were encountered and the mean numerical abundance (32.5per 1000m^3) of larvae was low. Larvae were more or less evenly distributed throughout the survey area. The inter-relationship between krill distribution patterns and water circulation in the region is discussed.

• 国立極地研究所の論文

著者

• Miller Denzil

  Sea Fisheries Research Institute

関連論文

• Results from biological investigations of krill (Euphausia superba) in the Southern Indian Ocean during SIBEX I

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