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  • Amundsen Sea polynya  (1)
  • Electronic books.  (1)
  • 1
    Online-Ressource
    Online-Ressource
    San Diego :Elsevier Science & Technology,
    Schlagwort(e): Oceanography-Encyclopedias. ; Marine ecology-Encyclopedias. ; Electronic books.
    Materialart: Online-Ressource
    Seiten: 1 online resource (4330 pages)
    Ausgabe: 3rd ed.
    ISBN: 9780128130827
    DDC: 551.4603
    Sprache: Englisch
    Anmerkung: 9780128130827_WEB01 -- Front Cover -- Encyclopedia of Ocean Sciences -- Copyright -- Permission Acknowledgement -- Upper Ocean Processes -- Penetrating Shortwave Radiation -- References -- Shelf Sea and Shelf Slope Fronts -- Further Reading -- Relevant Websites -- Submesoscale Processes -- References -- Surface Films -- References -- Upper Ocean Heat and Freshwater Budgets -- References -- Further Reading -- Relevant Web Pages -- Upper Ocean Mean Horizontal Structure -- Further Reading -- Upper Ocean Mixing -- Further Reading -- Upper Ocean Structure: Ekman Transport and Pumping -- Further Reading -- Upper Ocean Structure: Responses to Strong Atmospheric Forcing Events -- References -- Further Reading -- Upper Ocean Vertical Structure -- Further Reading -- Wave-Driven Upper Ocean Processes -- References -- Further Reading -- Wind- and Buoyancy-Forced Upper Ocean -- References -- Further Reading -- Elemental Distribution -- Elemental Distribution: Overview -- References -- Relevant Websites -- Anthropogenic Trace Elements in the Ocean -- Further Reading -- Artificial Radionuclides -- References -- Further Reading -- Conservative Elements -- References -- Further Reading -- Metalloids and Oxyanions -- Further Reading -- Oxygen -- References -- Further Reading -- Platinum Group Elements and Their Isotopes in the Ocean -- References -- Rare Earth Elements and Their Isotopes in the Ocean -- References -- Further Reading -- Refractory Metals -- Further Reading -- Trace Metal Nutrients -- Further Reading -- Transition Metals and Heavy Metal Speciation -- References -- Further Reading -- Ocean Process Tracers -- CFCs and SF6 as Tracers of Ocean Processes -- References -- Compound-Specific Radiocarbon Measurements -- Further Reading -- Radiocarbon-Based Insights into the Biogeochemical Cycles of Marine Dissolved and Particulate Organic Carbon. , References -- Cosmogenic Isotopes -- Further Reading -- Nitrogen Isotopes in the Ocean -- Further Reading -- Noble Gases and the Cryosphere -- References -- Further Reading -- Nuclear Fuel Reprocessing and Related Discharges -- Further Reading -- Modeling of Ocean Carbon System -- Further Reading -- Relevant Websites -- Open Ocean Distribution and Applications of Natural and Bomb-Produced Delta14C -- Conclusions -- Reference -- Further Reading -- Oxygen Isotopes in the Ocean -- References -- Further Reading -- Redox-Sensitive Metals -- Further Reading -- The Stable Carbon Isotopic Composition of the Oceans -- References -- Further Reading -- Tracer Release Experiments -- Further Reading -- Tracers of Ocean Productivity -- Further Reading -- Tritium-Helium Dating -- Further Reading -- Uranium-Thorium Decay Series in the Oceans: Overview -- References -- Further Reading -- Uranium-Thorium Radionuclides in Ocean Profiles -- Further Reading -- Volcanic Helium -- References -- Further Reading -- Nutrient Cycling -- Carbon Dioxide (CO2) Cycle -- References -- Further Reading -- Nitrogen Cycle -- References -- Ocean Carbon Cycle -- References -- Ocean Iron Fertilization -- References -- Further Reading -- Phosphorus Cycle -- Further Reading -- Redfield Ratio -- References -- The Global Marine Silica Budget: Sources and Sinks -- References -- Further Reading -- Primary Production -- Approaches to Measuring Marine Primary Production -- Further Reading -- Aquatic Flow Cytometry -- References -- Relevant Websites -- Bacterioplankton -- Further Reading -- Bioluminescence -- Further Reading -- Cephalopods -- Further Reading -- Continuous Plankton Recorders -- Further Reading -- Copepods -- References -- Further Reading -- Relevant Websites -- Dynamics of Bacteria and Phytoplankton in the Surface Ocean -- References -- Further Reading -- Krill -- Further Reading. , Marine Algal Genomics and Evolution -- Further Reading -- Marine Cyanobacteria: Prochlorococcus and Synechococcus -- Further Reading -- Marine Plankton Communities -- Further Reading -- Nekton -- Further Reading -- Pelagic Biogeography -- References -- Further Reading -- Phytoplankton Size Structure -- Further Reading -- Phytoplankton, Calcareous Nanoplankton-The Coccolithophores -- Further Reading -- Plankton -- Further Reading -- Plankton Viruses -- Further Reading -- Plankton: Gelatinous Zooplankton -- Further Reading -- Primary Production Distribution -- References -- Further Reading -- Primary Production Processes -- Further Reading -- Protozoa, Planktic Foraminifera -- References -- Protozoa, Radiolarians -- Further Reading -- Small-Scale Physical Processes and Plankton Biology -- Further Reading -- Ecosystems and Ecosystem Structure and Dynamics (food webs) -- ArtificialReefs -- Further Readings -- Coastal Ocean Acidification: Carbonate Chemistry and Ecosystem Effects -- References -- Cold-Water Coral Reefs -- References -- Further Reading -- Relevant Website -- Corals and Human Disturbance -- Further Reading -- Diversity of Marine Species -- Further Reading -- Food Webs -- Further Reading -- Relevant Websites -- Large Marine Ecosystems -- References -- Mesocosms: Enclosed Experimental Ecosystems in Ocean Science -- Further Reading -- Microbial Loops -- Further Reading -- Network Analysis of Food Webs -- Further Reading -- Ocean Gyre Ecosystems -- Further Reading -- Omics Techniques in Marine Microbiology -- Further Reading -- Patch Dynamics -- Further Reading -- Polar Ecosystems -- Further Reading -- Population Genetics of Marine Organisms -- Further Reading -- Upwelling Ecosystems -- Further Reading -- Back Cover -- Front Cover -- Encyclopedia of Ocean Sciences -- Copyright -- Permission Acknowledgement -- Birds -- Alcidae -- Further Reading. , Gulls -- Further Reading -- Laridae, Sternidae, and Rynchopidae -- References -- Further Reading -- Phalaropes -- Further Reading -- Procellariiformes -- Further Reading -- Seabird Conservation -- Further Reading -- Seabird Foraging Ecology -- Further Reading -- Seabird Migration -- Further Reading -- Seabird Population Dynamics -- Further Reading -- Seabird Reproductive Ecology -- Further Reading -- Seabird Responses to Climate Change -- References -- Further Reading -- Seabirds and Fisheries Interactions -- Further Reading -- Seabirds as Indicators of Ocean Pollution -- Further Reading -- Sphenisciformes -- Further Reading -- The Pelecaniform Birds -- References -- Further Reading -- Fish Biology -- Fish: General Review -- Further Reading -- Antarctic Fishes -- Further Reading -- Coral Reef Fishes -- Further Reading -- Deep-Sea Fishes -- Further Reading -- Eels -- References -- Fish Ecophysiology -- Further Reading -- Fish Feeding and Foraging -- Further Reading -- Relevant Website -- Fish Larvae -- References -- Further Reading -- Relevant Websites -- Fish Locomotion -- References -- Relevant Website -- Fish Migration, Horizontal -- References -- Further Reading -- Fish Migration, Vertical -- Further Reading -- Fish Predation and Mortality -- Further Reading -- Fish Reproduction -- Further Reading -- Fish Vision -- Further Reading -- Fish: Demersal Fish (Life Histories, Behavior, Adaptations) -- Further Reading -- Fish: Hearing, Lateral Lines (Mechanisms, Role in Behavior, Adaptations to Life Underwater) -- References -- Intertidal Fishes -- Further Reading -- Mesopelagic Fish -- References -- Further Reading -- Pelagic Fishes -- References -- Further Reading -- Salmonids -- Further Reading -- Fisheries and Mariculture -- Fisheries Overview -- References -- Further Reading -- Challenges for Future Salmonid Farming -- Further Reading. , Coral Reef and Other Tropical Fisheries -- Further Reading -- Crustacean Fisheries -- References -- Further Reading -- Dynamics of Exploited Marine Fish Populations -- References -- Further Reading -- Ecosystem Effects of Fishing -- Further Reading -- Fisheries Economics -- References -- Further Reading -- Relevant Websites -- Fisheries: Pacific Salmon Fisheries -- References -- Further Reading -- Relevant Websites -- Fisheries: Multispecies Dynamics -- Further Reading -- Fishery Management, Human Dimension -- Further Reading -- Fishery Manipulation Through Stock Enhancement or Restoration -- References -- Further Reading -- Relevant Websites -- Fishing Methods and Fishing Fleets -- Further Reading -- Luxury Seafood Trade: Extinction vs. Lavishness -- Further Reading -- Mariculture Overview -- Further Reading -- Relevant Websites -- Mariculture, Economic, and Social Impacts -- Further Reading -- Relevant Websites -- Marine Fishery Resources, Global State of -- Further Reading -- Mediterranean Mariculture -- References -- Further Reading -- Relevant Website -- Molluskan Fisheries -- Further Reading -- Relevant Websites -- Ocean Ranching -- Further Reading -- Open Ocean Fisheries for Deep-Water Species -- References -- Further Reading -- Open Ocean Fisheries for Large Pelagic Species -- References -- Further Reading -- Oysters: Shellfish Farming -- References -- Further Reading -- Relevant Websites -- Seaweeds and their Mariculture -- Further Reading -- Relevant Website -- Small Pelagic Species Fisheries -- Future Research -- References -- Further Reading -- Southern Ocean Fisheries -- Further Reading -- Marine Mammals -- Baleen Whales -- References -- Further Reading -- Bioacoustics -- References -- Further Reading -- Dolphins and Porpoises -- Further Reading -- Marine Mammal Diving Physiology -- Further Reading -- Marine Mammal Evolution and Taxonomy. , Further Reading.
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 2
    Publikationsdatum: 2022-05-26
    Beschreibung: © The Author(s), 2014. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Frontiers in Microbiology 5 (2014): 646, doi:10.3389/fmicb.2014.00646.
    Beschreibung: Rising temperatures and changing winds drive the expansion of the highly productive polynyas (open water areas surrounded by sea ice) abutting the Antarctic continent. Phytoplankton blooms in polynyas are often dominated by the haptophyte Phaeocystis antarctica, and they generate the organic carbon that enters the resident microbial food web. Yet, little is known about how Phaeocystis blooms shape bacterial community structures and carbon fluxes in these systems. We identified the bacterial communities that accompanied a Phaeocystis bloom in the Amundsen Sea polynya during the austral summers of 2007–2008 and 2010–2011. These communities are distinct from those determined for the Antarctic Circumpolar Current (ACC) and off the Palmer Peninsula. Diversity patterns for most microbial taxa in the Amundsen Sea depended on location (e.g., waters abutting the pack ice near the shelf break and at the edge of the Dotson glacier) and depth, reflecting different niche adaptations within the confines of this isolated ecosystem. Inside the polynya, P. antarctica coexisted with the bacterial taxa Polaribacter sensu lato, a cryptic Oceanospirillum, SAR92 and Pelagibacter. These taxa were dominated by a single oligotype (genotypes partitioned by Shannon entropy analysis) and together contributed up to 73% of the bacterial community. Size fractionation of the bacterial community [〈3 μm (free-living bacteria) vs. 〉3 μm (particle-associated bacteria)] identified several taxa (especially SAR92) that were preferentially associated with Phaeocystis colonies, indicative of a distinct role in Phaeocystis bloom ecology. In contrast, particle-associated bacteria at 250 m depth were enriched in Colwellia and members of the Cryomorphaceae suggesting that they play important roles in the decay of Phaeocystis blooms.
    Beschreibung: This work received financial support from NSF Antarctic Sciences awards ANT-1142095 (Anton F. Post), ANT-0839069 and ANT-0741409 (Patricia L. Yager), and ANT-0839012 (Hugh W. Ducklow). We further acknowledge the support by “Oden Southern Ocean,” SWEDARP 2010/2011, a project organized by the Swedish Polar Research Secretariat and National Science Foundation Office of Polar Programs.
    Schlagwort(e): Amundsen Sea polynya ; Phytoplankton bloom ; Phaeocystis antarctica ; Microbial community structure ; Mutualism
    Repository-Name: Woods Hole Open Access Server
    Materialart: Article
    Format: application/pdf
    Format: application/vnd.ms-excel
    Format: image/jpeg
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