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  • 1
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    The geological record of ocean acidification (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-03-03
    Description: Ocean acidification may have severe consequences for marine ecosystems; however, assessing its future impact is difficult because laboratory experiments and field observations are limited by their reduced ecologic complexity and sample period, respectively. In contrast, the geological record contains long-term evidence for a variety of global environmental perturbations, including ocean acidification plus their associated biotic responses. We review events exhibiting evidence for elevated atmospheric CO(2), global warming, and ocean acidification over the past ~300 million years of Earth's history, some with contemporaneous extinction or evolutionary turnover among marine calcifiers. Although similarities exist, no past event perfectly parallels future projections in terms of disrupting the balance of ocean carbonate chemistry-a consequence of the unprecedented rapidity of CO(2) release currently taking place.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Honisch, Barbel -- Ridgwell, Andy -- Schmidt, Daniela N -- Thomas, Ellen -- Gibbs, Samantha J -- Sluijs, Appy -- Zeebe, Richard -- Kump, Lee -- Martindale, Rowan C -- Greene, Sarah E -- Kiessling, Wolfgang -- Ries, Justin -- Zachos, James C -- Royer, Dana L -- Barker, Stephen -- Marchitto, Thomas M Jr -- Moyer, Ryan -- Pelejero, Carles -- Ziveri, Patrizia -- Foster, Gavin L -- Williams, Branwen -- New York, N.Y. -- Science. 2012 Mar 2;335(6072):1058-63. doi: 10.1126/science.1208277.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Lamont-Doherty Earth Observatory of Columbia University, Palisades, NY 10964, USA. hoenisch@ldeo.columbia.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22383840" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Biological ; Animals ; *Aquatic Organisms ; Atmosphere ; Carbon Dioxide ; Carbonates/analysis ; *Ecosystem ; Extinction, Biological ; Forecasting ; Fossils ; *Geological Phenomena ; Hydrogen-Ion Concentration ; Oceans and Seas ; Seawater/*chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Reorganization of Southern Ocean plankton ecosystem at the onset of Antarctic glaciation (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-04-20
    Description: The circum-Antarctic Southern Ocean is an important region for global marine food webs and carbon cycling because of sea-ice formation and its unique plankton ecosystem. However, the mechanisms underlying the installation of this distinct ecosystem and the geological timing of its development remain unknown. Here, we show, on the basis of fossil marine dinoflagellate cyst records, that a major restructuring of the Southern Ocean plankton ecosystem occurred abruptly and concomitant with the first major Antarctic glaciation in the earliest Oligocene (~33.6 million years ago). This turnover marks a regime shift in zooplankton-phytoplankton interactions and community structure, which indicates the appearance of eutrophic and seasonally productive environments on the Antarctic margin. We conclude that earliest Oligocene cooling, ice-sheet expansion, and subsequent sea-ice formation were important drivers of biotic evolution in the Southern Ocean.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Houben, Alexander J P -- Bijl, Peter K -- Pross, Jorg -- Bohaty, Steven M -- Passchier, Sandra -- Stickley, Catherine E -- Rohl, Ursula -- Sugisaki, Saiko -- Tauxe, Lisa -- van de Flierdt, Tina -- Olney, Matthew -- Sangiorgi, Francesca -- Sluijs, Appy -- Escutia, Carlota -- Brinkhuis, Henk -- Expedition 318 Scientists -- Dotti, Carlota Escutia -- Klaus, Adam -- Fehr, Annick -- Williams, Trevor -- Bendle, James A P -- Carr, Stephanie A -- Dunbar, Robert B -- Flores, Jose-Abel -- Gonzalez, Jhon J -- Hayden, Travis G -- Iwai, Masao -- Jimenez-Espejo, Francisco J -- Katsuki, Kota -- Kong, Gee Soo -- McKay, Robert M -- Nakai, Mutsumi -- Pekar, Stephen F -- Riesselman, Christina -- Sakai, Toyosaburo -- Salzmann, Ulrich -- Shrivastava, Prakash K -- Tuo, Shouting -- Welsh, Kevin -- Yamane, Masako -- New York, N.Y. -- Science. 2013 Apr 19;340(6130):341-4. doi: 10.1126/science.1223646.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Earth Sciences, Laboratory of Palaeobotany and Palynology, Faculty of Geosciences, Utrecht University, Budapestlaan 4, 3584 CD Utrecht, Netherlands. Alexander.Houben@TNO.nl〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23599491" target="_blank"〉PubMed〈/a〉
    Keywords: *Adaptation, Physiological ; Animals ; Antarctic Regions ; Cold Temperature ; Dinoflagellida/*physiology ; *Ecosystem ; Fossils ; *Ice Cover ; *Oceans and Seas ; Phytoplankton/*physiology ; Zooplankton/*physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
    Location Call Number Expected Availability
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    PAPER CURRENT
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