Open Access
Water (Switzerland), volume 14, issue 20, pages 3196
Age Structure and Spatial Distribution of Euphausia superba Larvae off the Antarctic Peninsula, Southern Ocean
Publication type: Journal Article
Publication date: 2022-10-11
Biochemistry
Water Science and Technology
Aquatic Science
Geography, Planning and Development
Abstract
The Antarctic krill, Euphausia superba Dana, 1850, is a species forming high biomass and, therefore, playing a major role in the Antarctic marine food web. The age structure and patterns of spatial distribution of E. superba larvae in the waters of the Bransfield Strait (Antarctic Sound, Powell Basin), and off the South Orkney Islands, were studied based on data collected through a research survey in January and February 2022. Eggs and larvae (naupliar, calyptopis, and furcilia stages) of E. superba were found in these regions. Eggs and nauplii were concentrated in the southern, deep-sea part of the Antarctic Sound and over the northeastern and southwestern slopes of the Powell Basin, while calyptopis and furcilia larvae were concentrated north of the South Orkney Islands. The larvae abundance increased in an easterly direction. Four groups of communities comprising krill larvae at different development stages were identified. These groups were located in two subregions with the border between them running off the South Orkney Islands. The distribution and abundance of E. superba larvae showed a clear relationship with environmental conditions, in particular with a combination of such factors as sea surface temperature and chlorophyll a concentration.
Citations by journals
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Water (Switzerland)
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Water (Switzerland)
1 publication, 50%
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Oceanology
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Oceanology
1 publication, 50%
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Citations by publishers
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
1 publication, 50%
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Pleiades Publishing
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Pleiades Publishing
1 publication, 50%
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1
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Kasyan V. V. Age Structure and Spatial Distribution of Euphausia superba Larvae off the Antarctic Peninsula, Southern Ocean // Water (Switzerland). 2022. Vol. 14. No. 20. p. 3196.
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Kasyan V. V. Age Structure and Spatial Distribution of Euphausia superba Larvae off the Antarctic Peninsula, Southern Ocean // Water (Switzerland). 2022. Vol. 14. No. 20. p. 3196.
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TY - JOUR
DO - 10.3390/w14203196
UR - https://doi.org/10.3390%2Fw14203196
TI - Age Structure and Spatial Distribution of Euphausia superba Larvae off the Antarctic Peninsula, Southern Ocean
T2 - Water (Switzerland)
AU - Kasyan, Valentina V
PY - 2022
DA - 2022/10/11 00:00:00
PB - Multidisciplinary Digital Publishing Institute (MDPI)
SP - 3196
IS - 20
VL - 14
SN - 2073-4441
ER -
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@article{2022_Kasyan,
author = {Valentina V Kasyan},
title = {Age Structure and Spatial Distribution of Euphausia superba Larvae off the Antarctic Peninsula, Southern Ocean},
journal = {Water (Switzerland)},
year = {2022},
volume = {14},
publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},
month = {oct},
url = {https://doi.org/10.3390%2Fw14203196},
number = {20},
pages = {3196},
doi = {10.3390/w14203196}
}
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Kasyan, Valentina V.. “Age Structure and Spatial Distribution of Euphausia superba Larvae off the Antarctic Peninsula, Southern Ocean.” Water (Switzerland), vol. 14, no. 20, Oct. 2022, p. 3196. https://doi.org/10.3390%2Fw14203196.
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