2022
DOI: 10.1016/j.pocean.2022.102807
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Annual cycle of phytoplankton, protozoa and diatom species from Scotia Bay (South Orkney Islands, Antarctica): Community structure prior to, during and after an anomalously low sea ice year

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Cited by 8 publications
(3 citation statements)
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“…Locally, in the Gerlache Sound, Torres Parra et al ( 2020) suggested that the elevated temperatures observed during 2016-2017 were probably caused by the inflow of warm water from the north, resulting from northeasterly surface winds around the northern Antarctic Peninsula, forced by a negative phase of the Southern Annular Mode (SAM) that came after the 2015 El Niño from October 2016 to March 2017. Several studies have highlighted the effects of this extraordinary El Niño event during 2015 in Antarctica on water temperature, winds, sea ice retreat, among other factors, ultimately affecting phytoplankton (Costa et al, 2021;Meredith et al, 2021;Trifoglio et al, 2022). While the long-term effects of this event are still being understood, this event would likely explain the high temperatures recorded in the study area in our first summer.…”
Section: Discussionmentioning
confidence: 87%
“…Locally, in the Gerlache Sound, Torres Parra et al ( 2020) suggested that the elevated temperatures observed during 2016-2017 were probably caused by the inflow of warm water from the north, resulting from northeasterly surface winds around the northern Antarctic Peninsula, forced by a negative phase of the Southern Annular Mode (SAM) that came after the 2015 El Niño from October 2016 to March 2017. Several studies have highlighted the effects of this extraordinary El Niño event during 2015 in Antarctica on water temperature, winds, sea ice retreat, among other factors, ultimately affecting phytoplankton (Costa et al, 2021;Meredith et al, 2021;Trifoglio et al, 2022). While the long-term effects of this event are still being understood, this event would likely explain the high temperatures recorded in the study area in our first summer.…”
Section: Discussionmentioning
confidence: 87%
“…The stability of mesozooplankton communities in the Southern Ocean is related to changes in the phytoplankton structure, in particular, variations in food availability, which may be a major factor responsible for differences in the composition and quantitative distribution of mesozooplankton [17,68,80,81]. Larger-sized phytoplankton organisms (e.g., diatoms) are typically grazed by calanoid copepods and krill [82,83], whereas smaller-sized ones (e.g., flagellates) are grazed by small copepods and pelagic tunicates [84,85].…”
Section: Discussionmentioning
confidence: 99%
“…Localmente, en el estrecho de Gerlache, Torres Parra et al (2020) sugirieron que las elevadas temperaturas observadas durante 2016-2017 fueron probablemente causadas por la afluencia de agua cálida del norte, resultante de vientos superficiales del noreste alrededor del norte de la PA, forzados por una fase negativa del Modo Anular del Sur (SAM por sus siglas en inglés) que duró después de El Niño de 2015 desde octubre de 2016 hasta marzo de 2017. Varios estudios han destacado los efectos de este evento extraordinario de El Niño durante 2015 en la Antártida sobre la temperatura del agua, los vientos, el retroceso del hielo marino, entre otros factores, afectando en última instancia al fitoplancton (Meredith et al 2021;Costa et al 2021a;Trifoglio et al 2022). Si bien los efectos a largo plazo de este evento aún se están comprendiendo, este evento probablemente explicaría las altas temperaturas registradas en el área de estudio en nuestro primer verano.…”
Section: Influencia De Las Características Oceanográficas Del Estrech...unclassified