2004
DOI: 10.33275/1727-7485.2.2004.611
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Method of Biophysical Express-estimation of the Abundance, Biomass and Spatial Distribution of the Antarctic Kril Population

Abstract: Реферат. В период 7-ой украинской антарктической экспедиции разработан и апробирован метод экспресс-оценки особенностей пространственного распределения и биомассы популяций антарктического криля (Euphausia superba Dana). В основе метода лежит использование амплитудных характеристик биофизических (биолюминесцентного и акустического) полей. Гидроакустический поиск и регистрация скоплений криля в верхнем 200-м слое применялся в дрейфе и на ходу судна с использованием аппаратурных комплексов "Скат" и "Планктон-3".… Show more

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“…The highest level of bioluminescence – 644 × 10 −12 W·cm −2 ·L −1 – was recorded in the krill concentration zone, in which dense clusters of various shapes stretching up to 6 miles long were formed. [ 12 ] The shoal type of distribution was also often observed. The depth of the shoals ranged from 10 to 70 m, and their height was 5–50 m. At night, krill are often concentrated near the surface (their clusters were rarely registered below 60 m).…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…The highest level of bioluminescence – 644 × 10 −12 W·cm −2 ·L −1 – was recorded in the krill concentration zone, in which dense clusters of various shapes stretching up to 6 miles long were formed. [ 12 ] The shoal type of distribution was also often observed. The depth of the shoals ranged from 10 to 70 m, and their height was 5–50 m. At night, krill are often concentrated near the surface (their clusters were rarely registered below 60 m).…”
Section: Resultsmentioning
confidence: 99%
“…In 2002, commercial concentrations of krill were observed in the water column of 44% (19750 km −2 ) area under study. [ 12 ]…”
Section: Resultsmentioning
confidence: 99%