Results 41 to 50 of about 9,161 (202)

Size selection of Antarctic krill (Euphausia superba) in trawls. [PDF]

open access: yesPLoS ONE, 2014
Trawlers involved in the Antarctic krill (Euphausia superba) fishery use different trawl designs, and very little is known about the size selectivity of the various gears.
Ludvig A Krag   +5 more
doaj   +1 more source

Is It the Same Every Summer for the Euphausiids of the Ross Sea?

open access: yesDiversity, 2022
The pelagic ecosystem in the Ross Sea has one central component that is very important for energy exchanges between upper and lower trophic levels: the Middle Trophic Level.
Andrea De Felice   +6 more
doaj   +1 more source

Swarm of euphausiids in the ocean

open access: yesAntarctic Record, 1981
Euphausiids often form dense swarm in the sea. The surface swarms of Euphausia superba, E. pacifica and some species of Thysanoessa are often observed in the polar waters. The size and density of swarms of euphausiids are various.
Takahisa Nemoto   +2 more
doaj   +1 more source

Regional Differences in the Diets of Adélie and Emperor Penguins in the Ross Sea, Antarctica

open access: yesAnimals, 2021
To identify the dietary composition and characteristics of both Adélie (Pygoscelis adeliae) and Emperor (Aptenodytes forsteri) penguins at four breeding sites, we performed stable carbon (δ13C) and nitrogen (δ15N) isotope analysis of down samples taken ...
Seo-Yeon Hong   +8 more
doaj   +1 more source

Vertical structure characterization of acoustically detected zooplankton aggregation: a case study from the Ross Sea

open access: yesFrontiers in Marine Science, 2023
Acoustic data were collected by means of Simrad EK60 scientific echosounder on board the research vessel “Italica” in the Ross Sea during the 2016/2017 austral summer as part of the P-Rose and CELEBeR projects, within the framework of the Italian ...
Marco Barra   +15 more
doaj   +1 more source

Загрязненность прибрежной экосистемы тяжелыми металлами как показатель климатических изменений в Антарктике

open access: yesУкраїнський антарктичний журнал, 2020
Во время предыдущих исследований в районе Украинской антарктической станции (УАС) Академик Вернадский нами было обнаружено повышенное содержание тяжелых металлов в донных осадках и в грунтах о-вов Аргентинского архипелага и выявлена аккумуляция тяжелых ...
Ernest Z. Samyshev   +4 more
doaj   +1 more source

Emerging Pollutants in Chinstrap Penguins and Krill from Deception Island (South Shetland Islands, Antarctica)

open access: yesToxics
This study aimed to evaluate the presence of emerging pollutants [perfluorinated compounds, phthalates and bisphenol A (BPA)] in chinstrap penguins (Pygoscelis antarctica) and krill (Euphausia superba) from Deception Island (South Shetland Islands ...
Miguel Motas   +7 more
doaj   +1 more source

Distribution pattern of macrozooplankton along the 140°E meridian in the Southern Ocean during austral summer 2002 and 2003

open access: yesAntarctic Record, 2008
Field surveys were conducted along 140°E in the Southern Ocean north of Terre Adelie during three cruises: the KH cruise by RV Hakuho Maru, and TC1 and TC2 cruises by RV Tangaroa during the austral summers of 2002 and 2003.
Atsushi Tanimura   +7 more
doaj   +1 more source

Quantifying the Escape Mortality of Trawl Caught Antarctic Krill (Euphausia superba). [PDF]

open access: yesPLoS ONE, 2016
Antarctic krill (Euphausia superba) is an abundant fishery resource, the harvest levels of which are expected to increase. However, many of the length classes of krill can escape through commonly used commercial trawl mesh sizes. A vital component of the
Bjørn A Krafft   +5 more
doaj   +1 more source

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