Microbial Community Dynamics in Two Polar Extremes: The Lakes of the McMurdo Dry Valleys and the West Antarctic Peninsula Marine Ecosystem
The Palmer and McMurdo LTER (Long Term Ecological Research) sites represent climatic and trophic extremes on the Antarctic continent. Despite these differences, the microbial components of the McMurdo lake and Palmer marine ecosystems share fundamental characteristics, including the production of or...
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ftmontanastateu:oai:scholarworks.montana.edu:1/12840 2023-05-15T13:54:59+02:00 Microbial Community Dynamics in Two Polar Extremes: The Lakes of the McMurdo Dry Valleys and the West Antarctic Peninsula Marine Ecosystem Bowman, Jeff S. Oceanog, La Jolla Vick-Majors, Trista J. Morgan-Kiss, Rachael M. Takacs-Vesbach, Cristina Ducklow, Hugh W. Priscu, John C. 2016-10 application/pdf https://scholarworks.montana.edu/xmlui/handle/1/12840 en_US eng Bowman, Jeff S, Trista J Vick-Majors, Rachael Morgan-Kiss, Cristina Takacs-Vesbach, Hugh W Ducklow, and John C Priscu. "Microbial Community Dynamics in Two Polar Extremes: The Lakes of the McMurdo Dry Valleys and the West Antarctic Peninsula Marine Ecosystem." Bioscience 66, no. 10 (October 2016): 829-847. DOI:https://dx.doi.org/ 10.1093/biosci/biw103. 0006-3568 https://scholarworks.montana.edu/xmlui/handle/1/12840 This is a pre-copyedited, author-produced PDF of an article accepted for publication in Bioscience following peer review. The version of record Bowman, Jeff S, Trista J Vick-Majors, Rachael Morgan-Kiss, Cristina Takacs-Vesbach, Hugh W Ducklow, and John C Priscu. "Microbial Community Dynamics in Two Polar Extremes: The Lakes of the McMurdo Dry Valleys and the West Antarctic Peninsula Marine Ecosystem." Bioscience 66, no. 10 (October 2016): 829-847. DOI:https://dx.doi.org/ 10.1093/biosci/biw103. is available online at: https://academic.oup.com/bioscience/article-lookup/doi/10.1093/biosci/biw103 Article 2016 ftmontanastateu 2022-06-06T07:29:03Z The Palmer and McMurdo LTER (Long Term Ecological Research) sites represent climatic and trophic extremes on the Antarctic continent. Despite these differences, the microbial components of the McMurdo lake and Palmer marine ecosystems share fundamental characteristics, including the production of organic carbon via autotrophy and its assimilation via heterotrophy. We leveraged 20+ years of observations at the Palmer and McMurdo LTERs to identify key differences in microbial ecosystem dynamics between these sites. Although the relationships between fundamental biological parameters, including autotrophy and heterotrophy, are different between these sites, recent climate events have influenced the coupling of these parameters. We hypothesize that for the lakes of the McMurdo LTER, decoupling is largely driven by physical processes, whereas in the coastal Antarctic, it is largely driven by biological processes. We combined this hypothesis with a new analysis of microbial community and metabolic structure to develop novel conceptual microbial food-web models. National Science Foundation; Lamont-Doherty Earth Observatory; American Association of University Women Dissertation Fellowship Article in Journal/Newspaper Antarc* Antarctic Antarctic Peninsula McMurdo Dry Valleys Montana State University (MSU): ScholarWorks Antarctic Antarctic Peninsula McMurdo Dry Valleys McMurdo Lake ENVELOPE(-103.224,-103.224,59.599,59.599) The Antarctic |
institution |
Open Polar |
collection |
Montana State University (MSU): ScholarWorks |
op_collection_id |
ftmontanastateu |
language |
English |
description |
The Palmer and McMurdo LTER (Long Term Ecological Research) sites represent climatic and trophic extremes on the Antarctic continent. Despite these differences, the microbial components of the McMurdo lake and Palmer marine ecosystems share fundamental characteristics, including the production of organic carbon via autotrophy and its assimilation via heterotrophy. We leveraged 20+ years of observations at the Palmer and McMurdo LTERs to identify key differences in microbial ecosystem dynamics between these sites. Although the relationships between fundamental biological parameters, including autotrophy and heterotrophy, are different between these sites, recent climate events have influenced the coupling of these parameters. We hypothesize that for the lakes of the McMurdo LTER, decoupling is largely driven by physical processes, whereas in the coastal Antarctic, it is largely driven by biological processes. We combined this hypothesis with a new analysis of microbial community and metabolic structure to develop novel conceptual microbial food-web models. National Science Foundation; Lamont-Doherty Earth Observatory; American Association of University Women Dissertation Fellowship |
format |
Article in Journal/Newspaper |
author |
Bowman, Jeff S. Oceanog, La Jolla Vick-Majors, Trista J. Morgan-Kiss, Rachael M. Takacs-Vesbach, Cristina Ducklow, Hugh W. Priscu, John C. |
spellingShingle |
Bowman, Jeff S. Oceanog, La Jolla Vick-Majors, Trista J. Morgan-Kiss, Rachael M. Takacs-Vesbach, Cristina Ducklow, Hugh W. Priscu, John C. Microbial Community Dynamics in Two Polar Extremes: The Lakes of the McMurdo Dry Valleys and the West Antarctic Peninsula Marine Ecosystem |
author_facet |
Bowman, Jeff S. Oceanog, La Jolla Vick-Majors, Trista J. Morgan-Kiss, Rachael M. Takacs-Vesbach, Cristina Ducklow, Hugh W. Priscu, John C. |
author_sort |
Bowman, Jeff S. |
title |
Microbial Community Dynamics in Two Polar Extremes: The Lakes of the McMurdo Dry Valleys and the West Antarctic Peninsula Marine Ecosystem |
title_short |
Microbial Community Dynamics in Two Polar Extremes: The Lakes of the McMurdo Dry Valleys and the West Antarctic Peninsula Marine Ecosystem |
title_full |
Microbial Community Dynamics in Two Polar Extremes: The Lakes of the McMurdo Dry Valleys and the West Antarctic Peninsula Marine Ecosystem |
title_fullStr |
Microbial Community Dynamics in Two Polar Extremes: The Lakes of the McMurdo Dry Valleys and the West Antarctic Peninsula Marine Ecosystem |
title_full_unstemmed |
Microbial Community Dynamics in Two Polar Extremes: The Lakes of the McMurdo Dry Valleys and the West Antarctic Peninsula Marine Ecosystem |
title_sort |
microbial community dynamics in two polar extremes: the lakes of the mcmurdo dry valleys and the west antarctic peninsula marine ecosystem |
publishDate |
2016 |
url |
https://scholarworks.montana.edu/xmlui/handle/1/12840 |
long_lat |
ENVELOPE(-103.224,-103.224,59.599,59.599) |
geographic |
Antarctic Antarctic Peninsula McMurdo Dry Valleys McMurdo Lake The Antarctic |
geographic_facet |
Antarctic Antarctic Peninsula McMurdo Dry Valleys McMurdo Lake The Antarctic |
genre |
Antarc* Antarctic Antarctic Peninsula McMurdo Dry Valleys |
genre_facet |
Antarc* Antarctic Antarctic Peninsula McMurdo Dry Valleys |
op_relation |
Bowman, Jeff S, Trista J Vick-Majors, Rachael Morgan-Kiss, Cristina Takacs-Vesbach, Hugh W Ducklow, and John C Priscu. "Microbial Community Dynamics in Two Polar Extremes: The Lakes of the McMurdo Dry Valleys and the West Antarctic Peninsula Marine Ecosystem." Bioscience 66, no. 10 (October 2016): 829-847. DOI:https://dx.doi.org/ 10.1093/biosci/biw103. 0006-3568 https://scholarworks.montana.edu/xmlui/handle/1/12840 |
op_rights |
This is a pre-copyedited, author-produced PDF of an article accepted for publication in Bioscience following peer review. The version of record Bowman, Jeff S, Trista J Vick-Majors, Rachael Morgan-Kiss, Cristina Takacs-Vesbach, Hugh W Ducklow, and John C Priscu. "Microbial Community Dynamics in Two Polar Extremes: The Lakes of the McMurdo Dry Valleys and the West Antarctic Peninsula Marine Ecosystem." Bioscience 66, no. 10 (October 2016): 829-847. DOI:https://dx.doi.org/ 10.1093/biosci/biw103. is available online at: https://academic.oup.com/bioscience/article-lookup/doi/10.1093/biosci/biw103 |
_version_ |
1766261205816573952 |