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Microzooplankton di...
Microzooplankton distribution in the Amundsen Sea Polynya (Antarctica) during an extensive Phaeocystis antarctica bloom
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- Swalethorp, Rasmus (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences
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- Dinasquet, Julie (författare)
- Linnéuniversitetet,Institutionen för biologi och miljö (BOM),Univ Calif San Diego, USA;Tech Univ Denmark, Denmark;Univ Copenhagen, Denmark,University of California, Scripps Institution of Oceanography, San Diego, USA; University of Copenhagen, Department of Biology, Marine Biological Section, Copenhagen, Denmark; Linnaeus University, Department of Natural Sciences, Växjö, Sweden
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- Logares, Ramiro (författare)
- CSIC, Institute of Marine Sciences (ICM), Barcelona, Spain
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- Bertilsson, Stefan (författare)
- Uppsala universitet,Limnologi,Science for Life Laboratory, SciLifeLab
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- Kjellerup, Sanne (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences
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- Krabberod, Anders K. (författare)
- Univ Oslo, Norway,University of Oslo, Department of Biosciences, Section for Genetics and Evolutionary Biology (Evogene), Oslo, Norway
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- Moksnes, Per-Olav, 1965 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences
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- Nielsen, Torkel G. (författare)
- Tech Univ Denmark, Denmark,Technical University of Denmark, National Institute of Aquatic Resources (DTU Aqua), Lyngby, Denmark
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- Riemann, Lasse (författare)
- Univ Copenhagen, Denmark,University of Copenhagen, Department of Biology, Marine Biological Section, Copenhagen, Denmark
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(creator_code:org_t)
- Elsevier, 2019
- 2019
- Engelska.
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Ingår i: Progress in Oceanography. - : Elsevier. - 0079-6611 .- 1873-4472. ; 170, s. 1-10
- Relaterad länk:
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https://www.scienced...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://gup.ub.gu.se...
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Abstract
Ämnesord
Stäng
- In Antarctica, summer is a time of extreme environmental shifts resulting in large coastal phytoplankton blooms fueling the food web. Despite the importance of the microbial loop in remineralizing biomass from primary production, studies of how microzooplankton communities respond to such blooms in the Southern Ocean are rather scarce. Microzooplankton (ciliate and dinoflagellate) communities were investigated combining microscopy and 18S rRNA sequencing analyses in the Amundsen Sea Polynya during an extensive summer bloom of Phaeocystis antarctica. The succession of microzooplankton was further assessed during a 15-day induced bloom microcosm experiment. Dinoflagellates accounted for up to 59 % of the microzooplankton biomass in situ with Gymnodinium spp., Protoperidiwn spp. and Gyrodinium spp. constituting 89 % of the dinoflagellate biomass. Strobilidium spp., Strombidium spp. and tintinids represented 90 % of the ciliate biomass. Gymnodiniwn, Gyrodinium and tintinnids are known grazers of Phaeocystis, suggesting that this prymnesiophyte selected for the key microzooplankton taxa. Availability of other potential prey, such as diatoms, heterotrophic nanoflagellates and bacteria, also correlated to changes in microzooplankton community structure. Overall, both heterotrophy and mixotrophy appeared to be key trophic strategies of the dominant microzooplankton observed, suggesting that they influence carbon flow in the microbial food web through top-down control on the phytoplankton community.
Ämnesord
- NATURVETENSKAP -- Biologi -- Mikrobiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Microbiology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Oceanografi, hydrologi och vattenresurser (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Oceanography, Hydrology and Water Resources (hsv//eng)
Nyckelord
- Ciliate
- Dinoflagellate
- Growth rates
- Southern Ocean
- Antarctica
- Amundsen Sea polynya
- Gymnodinium spp.
- Mikrobiologi
- Microbiology
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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