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  • 1
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    Biogeography and ecological setting of Indian Ocean hydrothermal vents (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-09-15
    Description: Within the endemic invertebrate faunas of hydrothermal vents, five biogeographic provinces are recognized. Invertebrates at two Indian Ocean vent fields (Kairei and Edmond) belong to a sixth province, despite ecological settings and invertebrate-bacterial symbioses similar to those of both western Pacific and Atlantic vents. Most organisms found at these Indian Ocean vent fields have evolutionary affinities with western Pacific vent faunas, but a shrimp that ecologically dominates Indian Ocean vents closely resembles its Mid-Atlantic counterpart. These findings contribute to a global assessment of the biogeography of chemosynthetic faunas and indicate that the Indian Ocean vent community follows asymmetric assembly rules biased toward Pacific evolutionary alliances.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Van Dover, C L -- Humphris, S E -- Fornari, D -- Cavanaugh, C M -- Collier, R -- Goffredi, S K -- Hashimoto, J -- Lilley, M D -- Reysenbach, A L -- Shank, T M -- Von Damm, K L -- Banta, A -- Gallant, R M -- Gotz, D -- Green, D -- Hall, J -- Harmer, T L -- Hurtado, L A -- Johnson, P -- McKiness, Z P -- Meredith, C -- Olson, E -- Pan, I L -- Turnipseed, M -- Won, Y -- Young, C R 3rd -- Vrijenhoek, R C -- New York, N.Y. -- Science. 2001 Oct 26;294(5543):818-23. Epub 2001 Sep 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biology Department, College of William & Mary, Williamsburg, VA 23187, USA. cindy_vandover@wm.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11557843" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bacteria/classification/isolation & purification ; *Bacterial Physiological Phenomena ; Biological Evolution ; Biomass ; Decapoda (Crustacea)/classification/physiology ; *Ecosystem ; Euryarchaeota/classification/isolation & purification/physiology ; Geography ; *Geologic Sediments/microbiology ; Hot Temperature ; Invertebrates/classification/microbiology/*physiology ; Molecular Sequence Data ; Mollusca/classification/physiology ; Oceans and Seas ; Seawater ; Symbiosis
    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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    Oceans. Legal bedrock for rebuilding America's ocean ecosystems (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-04-11
    Description: The public trust doctrine would provide a powerful framework for restructuring the way we manage U.S. oceans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Turnipseed, Mary -- Crowder, Larry B -- Sagarin, Raphael D -- Roady, Stephen E -- New York, N.Y. -- Science. 2009 Apr 10;324(5924):183-4. doi: 10.1126/science.1170889.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Nicholas School of the Environment, Duke University, Durham, NC 27708, USA. mary.turnipseed@duke.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19359567" target="_blank"〉PubMed〈/a〉
    Keywords: *Ecosystem ; *Federal Government ; Jurisprudence ; Legislation as Topic ; Oceans and Seas ; *Public Policy ; United States ; United States Government Agencies
    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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  • 3
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    Efficient atmospheric cleansing of oxidized organic trace gases by vegetation (2010)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2010-10-23
    Description: The biosphere is the major source and sink of nonmethane volatile organic compounds (VOCs) in the atmosphere. Gas-phase chemical reactions initiate the removal of these compounds from the atmosphere, which ultimately proceeds via deposition at the surface or direct oxidation to carbon monoxide or carbon dioxide. We performed ecosystem-scale flux measurements that show that the removal of oxygenated VOC via dry deposition is substantially larger than is currently assumed for deciduous ecosystems. Laboratory experiments indicate efficient enzymatic conversion and potential up-regulation of various stress-related genes, leading to enhanced uptake rates as a response to ozone and methyl vinyl ketone exposure or mechanical wounding. A revised scheme for the uptake of oxygenated VOCs, incorporated into a global chemistry-transport model, predicts appreciable regional changes in annual dry deposition fluxes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Karl, T -- Harley, P -- Emmons, L -- Thornton, B -- Guenther, A -- Basu, C -- Turnipseed, A -- Jardine, K -- New York, N.Y. -- Science. 2010 Nov 5;330(6005):816-9. doi: 10.1126/science.1192534. Epub 2010 Oct 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Center for Atmospheric Research, Boulder, CO 80301, USA. tomkarl@ucar.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20966216" target="_blank"〉PubMed〈/a〉
    Keywords: Atmosphere/*chemistry ; *Ecosystem ; Gene Expression Regulation, Plant ; Oxidation-Reduction ; Plant Leaves/*metabolism ; Plants/genetics/*metabolism ; Populus/genetics/metabolism ; Stress, Physiological ; Trees/*metabolism ; Tropical Climate ; Up-Regulation ; Volatile Organic Compounds/*analysis/*metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    Do hydrofluorocarbons destroy stratospheric ozone? (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-01-07
    Description: Hydrofluorocarbons, many of which contain a CF(3) group, are one of the major substitutes for the chlorofluorocarbons and halons that are being phased out because they contribute to stratospheric ozone depletion. It is critical to ensure that CF(3) groups do not cause significant ozone depletion. The rate coefficients for the key reactions that determine the efficiency of the CF(3) radical as a catalyst for ozone loss in the stratosphere have been measured and used in a model to calculate the possible depletion of ozone. From these results, it is concluded that the ozone depletion potentials related to the presence of the CF(3) group in hydrofluorocarbons are negligibly small.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ravishankara, A R -- Turnipseed, A A -- Jensen, N R -- Barone, S -- Mills, M -- Howard, C J -- Solomon, S -- New York, N.Y. -- Science. 1994 Jan 7;263(5143):71-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17748353" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    Atmospheric lifetimes of long-lived halogenated species (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-01-08
    Description: The atmospheric lifetimes of the fluorinated gases CF(4), C(2)F(6), c-C(4)F(8), (CF(3))(2)c-C(4)F(6), C(5)F(12), C(6)F(14), C(2)F(5)Cl, C(2)F(4)C(12), CF(3)Cl, and SF(6) are of concern because of the effects that these long-lived compounds acting as greenhouse gases can have on global climate. The possible atmospheric loss processes of these gases were assessed by determining the rate coefficients for the reactions of these gases with O((1)D), H, and OH and the absorption cross sections at 121.6 nanometers in the laboratory and using these data as input to a two-dimensional atmospheric model. The lifetimes of all the studied perfluoro compounds are 〉2000 years, and those of CF(3)Cl, CF(3)CF(2)Cl, and CF(2)ClCF(2)Cl are 〉300 years. If released into the atmosphere, these molecules will accumulate and their effects will persist for centuries or millennia.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ravishankara, A R -- Solomon, S -- Turnipseed, A A -- Warren, R F -- New York, N.Y. -- Science. 1993 Jan 8;259(5092):194-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17790983" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    Economics. Sustainability and global seafood (2010)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2010-02-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, Martin D -- Roheim, Cathy A -- Crowder, Larry B -- Halpern, Benjamin S -- Turnipseed, Mary -- Anderson, James L -- Asche, Frank -- Bourillon, Luis -- Guttormsen, Atle G -- Khan, Ahmed -- Liguori, Lisa A -- McNevin, Aaron -- O'Connor, Mary I -- Squires, Dale -- Tyedmers, Peter -- Brownstein, Carrie -- Carden, Kristin -- Klinger, Dane H -- Sagarin, Raphael -- Selkoe, Kimberly A -- New York, N.Y. -- Science. 2010 Feb 12;327(5967):784-6. doi: 10.1126/science.1185345.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Nicholas School of the Environment, Duke University, Durham, NC 27708, USA. marsmith@duke.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20150469" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Aquaculture/economics/legislation & jurisprudence/organization & administration ; *Commerce/legislation & jurisprudence ; Developed Countries/economics ; Developing Countries/economics ; *Ecosystem ; *Fisheries/economics/legislation & jurisprudence ; *Fishes ; Food Supply ; Government ; Humans ; Malnutrition/epidemiology ; *Seafood/economics ; *Shellfish
    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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