Atmospheric CO2 drawdown, community dynamics and selection of surface microbiomes in marine cold-water ecosystems
The European Arctic is characterized by large surface areas of coastal seas and long coastlines where important ecosystem processes are regulated by marine microbiomes that contribute to global carbon cycling via primary productivity and atmospheric CO 2 drawdown. In addition to biogeochemical cycli...
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UiT The Arctic University of Norway
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ftunivtroemsoe:oai:munin.uit.no:10037/26900 2023-05-15T14:27:48+02:00 Atmospheric CO2 drawdown, community dynamics and selection of surface microbiomes in marine cold-water ecosystems Aalto, Nerea Johanna 2022-10-10 https://hdl.handle.net/10037/26900 eng eng UiT The Arctic University of Norway UiT Norges arktiske universitet Paper I: Aalto, N.J., Campbell, K., Eilertsen, H.C. & Bernstein, H.C. (2021). Drivers of Atmosphere Ocean CO 2 Flux in Northern Norwegian Fjords. Frontiers in Marine Science, 8 , 692093. Also available in Munin at https://hdl.handle.net/10037/23081 . Paper II: Aalto, N.J., Schweitzer, H.D., Gran-Meyer, E., Krsmanovic, S., Svenning, J.B., Dalheim, L., … Bernstein, H.C. Microbial community dynamics during a harmful Chrysochromulina leadbeateri bloom. (Manuscript). Also available in bioRxiv at https://doi.org/10.1101/2022.06.21.496960 . Paper III: Aalto, N.J., Krsmanovic, S., Schweitzer, H.D., Campbell, K. & Bernstein, H.C. (2022). Diversity and selection of surface marine microbiomes in Atlantic-influenced Arctic. Frontiers in Microbiology, 13 , 892634. Also available in Munin at https://hdl.handle.net/10037/26466 . Paper I: Bernstein, H.C. & Aalto, N.J. (2021). Northern Norwegian Fjord CO2 Flux. Open Science Framework (OSF), https://doi.org/10.17605/OSF.IO/TBZSE . Paper II: Aalto, N.J. & Bernstein, H.C. (2022). Ecology of the Norwegian harmful algae bloom of 2019. Open Science Framework (OSF), https://osf.io/4wjhp/ . Paper III: Bernstein, H.C. & Aalto, N.J. (2021). Diversity and selection of surface marine microbiomes in the Atlantic-influenced Arctic. Open Science Framework (OSF), https://osf.io/g8wxc/ . 978-82-8266-233-8 https://hdl.handle.net/10037/26900 openAccess Copyright 2022 The Author(s) DOKTOR-002 Doctoral thesis Doktorgradsavhandling 2022 ftunivtroemsoe 2022-09-28T23:00:52Z The European Arctic is characterized by large surface areas of coastal seas and long coastlines where important ecosystem processes are regulated by marine microbiomes that contribute to global carbon cycling via primary productivity and atmospheric CO 2 drawdown. In addition to biogeochemical cycling, these complex microbial ecosystems also support major marine food webs and lend themselves to marine bioprospecting for novel biotechnologies. However, they are not well understood and remain unpredictable. For example, northern coastal Norway is periodically affected by unwanted ecosystem functions such as sporadic harmful algae blooms that are detrimental to local aquaculture industry. These cold adapted marine microbiomes perform ecological processes that are often driven by phytoplankton and their associated heterotrophic communities which undergo strong seasonal variation within complex and variable oceanographical and biogeochemical conditions. Climate change driven temperature increases with resulting direct and undirect changes on environmental conditions have been reported to alter microbial community structures of surface microbiomes. Hence, these important microbial ecosystems are in transition, and it is difficult to predict the trajectory of how specific ecosystem functions may be changing. This thesis is centered around cold-water communities of phytoplankton and bacterioplankton with the aim to enhance our contemporary understanding on surface microbial ecosystems and their function with respect to carbon cycling, community dynamics and community selection. Paper I and Paper II took place in northern Norwegian fjords and costal systems where spatial variation and magnitude of atmospheric CO 2 uptake were investigated and the main physical and biological factors driving surface partial pressure of CO 2 with respect to atmospheric CO 2 were assessed in four fjords and a coastal bay through seasonal changes. The results indicate that northern Norwegian fjords free of sea-ice act as a sink for ... Doctoral or Postdoctoral Thesis Arctic Arctic Climate change Phytoplankton Sea ice University of Tromsø: Munin Open Research Archive Arctic Norway |
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Open Polar |
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University of Tromsø: Munin Open Research Archive |
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ftunivtroemsoe |
language |
English |
topic |
DOKTOR-002 |
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DOKTOR-002 Aalto, Nerea Johanna Atmospheric CO2 drawdown, community dynamics and selection of surface microbiomes in marine cold-water ecosystems |
topic_facet |
DOKTOR-002 |
description |
The European Arctic is characterized by large surface areas of coastal seas and long coastlines where important ecosystem processes are regulated by marine microbiomes that contribute to global carbon cycling via primary productivity and atmospheric CO 2 drawdown. In addition to biogeochemical cycling, these complex microbial ecosystems also support major marine food webs and lend themselves to marine bioprospecting for novel biotechnologies. However, they are not well understood and remain unpredictable. For example, northern coastal Norway is periodically affected by unwanted ecosystem functions such as sporadic harmful algae blooms that are detrimental to local aquaculture industry. These cold adapted marine microbiomes perform ecological processes that are often driven by phytoplankton and their associated heterotrophic communities which undergo strong seasonal variation within complex and variable oceanographical and biogeochemical conditions. Climate change driven temperature increases with resulting direct and undirect changes on environmental conditions have been reported to alter microbial community structures of surface microbiomes. Hence, these important microbial ecosystems are in transition, and it is difficult to predict the trajectory of how specific ecosystem functions may be changing. This thesis is centered around cold-water communities of phytoplankton and bacterioplankton with the aim to enhance our contemporary understanding on surface microbial ecosystems and their function with respect to carbon cycling, community dynamics and community selection. Paper I and Paper II took place in northern Norwegian fjords and costal systems where spatial variation and magnitude of atmospheric CO 2 uptake were investigated and the main physical and biological factors driving surface partial pressure of CO 2 with respect to atmospheric CO 2 were assessed in four fjords and a coastal bay through seasonal changes. The results indicate that northern Norwegian fjords free of sea-ice act as a sink for ... |
format |
Doctoral or Postdoctoral Thesis |
author |
Aalto, Nerea Johanna |
author_facet |
Aalto, Nerea Johanna |
author_sort |
Aalto, Nerea Johanna |
title |
Atmospheric CO2 drawdown, community dynamics and selection of surface microbiomes in marine cold-water ecosystems |
title_short |
Atmospheric CO2 drawdown, community dynamics and selection of surface microbiomes in marine cold-water ecosystems |
title_full |
Atmospheric CO2 drawdown, community dynamics and selection of surface microbiomes in marine cold-water ecosystems |
title_fullStr |
Atmospheric CO2 drawdown, community dynamics and selection of surface microbiomes in marine cold-water ecosystems |
title_full_unstemmed |
Atmospheric CO2 drawdown, community dynamics and selection of surface microbiomes in marine cold-water ecosystems |
title_sort |
atmospheric co2 drawdown, community dynamics and selection of surface microbiomes in marine cold-water ecosystems |
publisher |
UiT The Arctic University of Norway |
publishDate |
2022 |
url |
https://hdl.handle.net/10037/26900 |
geographic |
Arctic Norway |
geographic_facet |
Arctic Norway |
genre |
Arctic Arctic Climate change Phytoplankton Sea ice |
genre_facet |
Arctic Arctic Climate change Phytoplankton Sea ice |
op_relation |
Paper I: Aalto, N.J., Campbell, K., Eilertsen, H.C. & Bernstein, H.C. (2021). Drivers of Atmosphere Ocean CO 2 Flux in Northern Norwegian Fjords. Frontiers in Marine Science, 8 , 692093. Also available in Munin at https://hdl.handle.net/10037/23081 . Paper II: Aalto, N.J., Schweitzer, H.D., Gran-Meyer, E., Krsmanovic, S., Svenning, J.B., Dalheim, L., … Bernstein, H.C. Microbial community dynamics during a harmful Chrysochromulina leadbeateri bloom. (Manuscript). Also available in bioRxiv at https://doi.org/10.1101/2022.06.21.496960 . Paper III: Aalto, N.J., Krsmanovic, S., Schweitzer, H.D., Campbell, K. & Bernstein, H.C. (2022). Diversity and selection of surface marine microbiomes in Atlantic-influenced Arctic. Frontiers in Microbiology, 13 , 892634. Also available in Munin at https://hdl.handle.net/10037/26466 . Paper I: Bernstein, H.C. & Aalto, N.J. (2021). Northern Norwegian Fjord CO2 Flux. Open Science Framework (OSF), https://doi.org/10.17605/OSF.IO/TBZSE . Paper II: Aalto, N.J. & Bernstein, H.C. (2022). Ecology of the Norwegian harmful algae bloom of 2019. Open Science Framework (OSF), https://osf.io/4wjhp/ . Paper III: Bernstein, H.C. & Aalto, N.J. (2021). Diversity and selection of surface marine microbiomes in the Atlantic-influenced Arctic. Open Science Framework (OSF), https://osf.io/g8wxc/ . 978-82-8266-233-8 https://hdl.handle.net/10037/26900 |
op_rights |
openAccess Copyright 2022 The Author(s) |
_version_ |
1766301711472787456 |