Microbiology of the Rapidly Changing Polar Environments

Marine and freshwater polar environments are characterized by intense physical forces and strong seasonal variations. The persistent cold and sometimes inhospitable conditions create unique ecosystems and habitats for microbial life. Polar microbial communities are diverse productive assemblages, wh...

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Bibliographic Details
Main Author: Eva Ortega-Retuerta (auth)
Other Authors: Connie Lovejoy (auth), Julie Dinasquet (auth), Ingrid Obernosterer (auth)
Format: Book Chapter
Published: Frontiers Media SA 2018
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Online Access:Get Fullteks
DOAB: description of the publication
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020 |a 978-2-88945-513-3 
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024 7 |a 10.3389/978-2-88945-513-3  |c doi 
041 0 |a English 
042 |a dc 
100 1 |a Eva Ortega-Retuerta  |4 auth 
700 1 |a Connie Lovejoy  |4 auth 
700 1 |a Julie Dinasquet  |4 auth 
700 1 |a Ingrid Obernosterer  |4 auth 
245 1 0 |a Microbiology of the Rapidly Changing Polar Environments 
260 |b Frontiers Media SA  |c 2018 
300 |a 1 electronic resource (315 p.) 
506 0 |a Open Access  |2 star  |f Unrestricted online access 
520 |a Marine and freshwater polar environments are characterized by intense physical forces and strong seasonal variations. The persistent cold and sometimes inhospitable conditions create unique ecosystems and habitats for microbial life. Polar microbial communities are diverse productive assemblages, which drive biogeochemical cycles and support higher food-webs across the Arctic and over much of the Antarctic. Recent studies on the biogeography of microbial species have revealed phylogenetically diverse polar ecotypes, suggesting adaptation to seasonal darkness, sea-ice coverage and high summer irradiance. Because of the diversity of habitats related to atmospheric and oceanic circulation, and the formation and melting of ice, high latitude oceans and lakes are ideal environments to investigate composition and functionality of microbial communities. In addition, polar regions are responding more dramatically to climate change compared to temperate environments and there is an urgent need to identify sensitive indicators of ecosystem history, that may be sentinels for change or adaptation. For instance, Antarctic lakes provide useful model systems to study microbial evolution and climate history. Hence, it becomes essential and timely to better understand factors controlling the microbes, and how, in turn, they may affect the functioning of these fragile ecosystems. Polar microbiology is an expanding field of research with exciting possibilities to provide new insights into microbial ecology and evolution. With this Research Topic we seek to bring together polar microbiologists studying different aquatic systems and components of the microbial food web, to stimulate discussion and reflect on these sensitive environments in a changing world perspective. 
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546 |a English 
653 |a polar 
653 |a microeukaryotes 
653 |a bacteria 
653 |a microbiology 
653 |a phytoplankton 
653 |a Antarctica 
653 |a Arctic 
653 |a aquatic 
653 |a archaea 
653 |a climate change 
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