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  • *Ecosystem  (170)
  • 2015-2019
  • 2010-2014  (170)
  • 2010  (170)
  • 1
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    Nature Publishing Group (NPG)
    Publication Date: 2010-06-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2010 Jun 24;465(7301):985-6. doi: 10.1038/465985b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20577163" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Disasters/*economics ; *Ecosystem ; Federal Government ; Industry/*economics ; Insurance/economics/*trends/utilization ; Petroleum/*adverse effects ; Risk ; United States
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 2
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    Nature Publishing Group (NPG)
    Publication Date: 2010-12-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pincock, Stephen -- England -- Nature. 2010 Dec 9;468(7325):744. doi: 10.1038/468744a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21150966" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture/methods ; Animals ; Australia ; *Conservation of Natural Resources/economics ; *Ecosystem ; Endangered Species ; Environmental Policy ; *Leadership ; *Rivers/chemistry ; *Water Supply/analysis/economics
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    Electronic ISSN: 1476-4687
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  • 3
    Publication Date: 2010-02-09
    Description: Although the notion of an early origin and diversification of life on Earth during the Archaean eon has received increasing support in geochemical, sedimentological and palaeontological evidence, ambiguities and controversies persist regarding the biogenicity and syngeneity of the record older than Late Archaean. Non-biological processes are known to produce morphologies similar to some microfossils, and hydrothermal fluids have the potential to produce abiotic organic compounds with depleted carbon isotope values, making it difficult to establish unambiguous traces of life. Here we report the discovery of a population of large (up to about 300 mum in diameter) carbonaceous spheroidal microstructures in Mesoarchaean shales and siltstones of the Moodies Group, South Africa, the Earth's oldest siliciclastic alluvial to tidal-estuarine deposits. These microstructures are interpreted as organic-walled microfossils on the basis of petrographic and geochemical evidence for their endogenicity and syngeneity, their carbonaceous composition, cellular morphology and ultrastructure, occurrence in populations, taphonomic features of soft wall deformation, and the geological context plausible for life, as well as a lack of abiotic explanation falsifying a biological origin. These are the oldest and largest Archaean organic-walled spheroidal microfossils reported so far. Our observations suggest that relatively large microorganisms cohabited with earlier reported benthic microbial mats in the photic zone of marginal marine siliciclastic environments 3.2 billion years ago.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Javaux, Emmanuelle J -- Marshall, Craig P -- Bekker, Andrey -- England -- Nature. 2010 Feb 18;463(7283):934-8. doi: 10.1038/nature08793. Epub 2010 Feb 7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Geology, University of Liege, 17 allee du 6 Aout B18, Liege 4000, Belgium. ej.javaux@ulg.ac.be〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20139963" target="_blank"〉PubMed〈/a〉
    Keywords: Acids ; Bacteria/chemistry/cytology/isolation & purification/metabolism ; Carbon/analysis/chemistry ; Carbon Isotopes ; *Ecosystem ; Eukaryotic Cells/chemistry/cytology ; *Fossils ; Geologic Sediments/*microbiology ; History, Ancient ; Oceans and Seas ; Organic Chemicals/*analysis/chemistry ; *Phylogeny ; Reproducibility of Results ; Seawater/*microbiology ; South Africa ; Spectrum Analysis, Raman ; Sunlight
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  • 4
    Publication Date: 2010-03-26
    Description: Soil respiration, R(S), the flux of microbially and plant-respired carbon dioxide (CO(2)) from the soil surface to the atmosphere, is the second-largest terrestrial carbon flux. However, the dynamics of R(S) are not well understood and the global flux remains poorly constrained. Ecosystem warming experiments, modelling analyses and fundamental biokinetics all suggest that R(S) should change with climate. This has been difficult to confirm observationally because of the high spatial variability of R(S), inaccessibility of the soil medium and the inability of remote-sensing instruments to measure R(S) on large scales. Despite these constraints, it may be possible to discern climate-driven changes in regional or global R(S) values in the extant four-decade record of R(S) chamber measurements. Here we construct a database of worldwide R(S) observations matched with high-resolution historical climate data and find a previously unknown temporal trend in the R(S) record after accounting for mean annual climate, leaf area, nitrogen deposition and changes in CO(2) measurement technique. We find that the air temperature anomaly (the deviation from the 1961-1990 mean) is significantly and positively correlated with changes in R(S). We estimate that the global R(S) in 2008 (that is, the flux integrated over the Earth's land surface over 2008) was 98 +/- 12 Pg C and that it increased by 0.1 Pg C yr(-1) between 1989 and 2008, implying a global R(S) response to air temperature (Q(10)) of 1.5. An increasing global R(S) value does not necessarily constitute a positive feedback to the atmosphere, as it could be driven by higher carbon inputs to soil rather than by mobilization of stored older carbon. The available data are, however, consistent with an acceleration of the terrestrial carbon cycle in response to global climate change.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bond-Lamberty, Ben -- Thomson, Allison -- England -- Nature. 2010 Mar 25;464(7288):579-82. doi: 10.1038/nature08930.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Pacific Northwest National Laboratory, Joint Global Change Research Institute at the University of Maryland-College Park, 5825 University Research Court, Suite 3500, College Park, Maryland 20740, USA. bondlamberty@pnl.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20336143" target="_blank"〉PubMed〈/a〉
    Keywords: *Ecosystem ; Models, Theoretical ; Soil/*analysis ; *Temperature
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  • 5
    Publication Date: 2010-05-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chong, Kwek Yan -- Yeo, Chow Khoon -- Koon Yee, Alex Thiam -- England -- Nature. 2010 May 27;465(7297):420. doi: 10.1038/465420b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20505709" target="_blank"〉PubMed〈/a〉
    Keywords: Biodiversity ; Droughts ; *Ecosystem ; *Global Warming ; Rain ; Trees/classification/*growth & development ; *Tropical Climate
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    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 6
    Publication Date: 2010-04-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Glausiusz, Josie -- England -- Nature. 2010 Apr 22;464(7292):1118-20. doi: 10.1038/4641118a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20414284" target="_blank"〉PubMed〈/a〉
    Keywords: *Altitude ; Animals ; Desert Climate ; *Ecosystem ; Eutrophication ; Fresh Water/*analysis/chemistry/microbiology ; Indian Ocean ; International Cooperation ; Middle East ; Salinity ; Volatilization ; *Water Supply/analysis/economics/statistics & numerical data
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  • 7
    Publication Date: 2010-10-15
    Description: The evolution and maintenance of sexual reproduction has puzzled biologists for decades. Although this field is rich in hypotheses, experimental evidence is scarce. Some important experiments have demonstrated differences in evolutionary rates between sexual and asexual populations; other experiments have documented evolutionary changes in phenomena related to genetic mixing, such as recombination and selfing. However, direct experiments of the evolution of sex within populations are extremely rare (but see ref. 12). Here we use the rotifer, Brachionus calyciflorus, which is capable of both sexual and asexual reproduction, to test recent theory predicting that there is more opportunity for sex to evolve in spatially heterogeneous environments. Replicated experimental populations of rotifers were maintained in homogeneous environments, composed of either high- or low-quality food habitats, or in heterogeneous environments that consisted of a mix of the two habitats. For populations maintained in either type of homogeneous environment, the rate of sex evolves rapidly towards zero. In contrast, higher rates of sex evolve in populations experiencing spatially heterogeneous environments. The data indicate that the higher level of sex observed under heterogeneity is not due to sex being less costly or selection against sex being less efficient; rather sex is sufficiently advantageous in heterogeneous environments to overwhelm its inherent costs. Counter to some alternative theories for the evolution of sex, there is no evidence that genetic drift plays any part in the evolution of sex in these populations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Becks, Lutz -- Agrawal, Aneil F -- England -- Nature. 2010 Nov 4;468(7320):89-92. doi: 10.1038/nature09449. Epub 2010 Oct 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology & Evolutionary Biology, University of Toronto, Toronto, Ontario M5S 3B2, Canada. lutz.becks@utoronto.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20944628" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Migration/physiology ; Animals ; *Biological Evolution ; Diet/veterinary ; *Ecosystem ; Female ; *Food ; Genetic Drift ; Male ; Meiosis/genetics ; Models, Biological ; Ovum/physiology ; Population Density ; Reproduction/physiology ; Reproduction, Asexual/physiology ; Rotifera/cytology/genetics/*physiology ; Selection, Genetic ; *Sex
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  • 8
    Publication Date: 2010-03-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schiermeier, Quirin -- England -- Nature. 2010 Mar 25;464(7288):472-3. doi: 10.1038/464472b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20336100" target="_blank"〉PubMed〈/a〉
    Keywords: Antarctic Regions ; *Ecosystem ; *Fresh Water/analysis/microbiology ; Ice Cover
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  • 9
    Publication Date: 2010-11-19
    Description: Biodiversity indicators provide a vital window on the state of the planet, guiding policy development and management. The most widely adopted marine indicator is mean trophic level (MTL) from catches, intended to detect shifts from high-trophic-level predators to low-trophic-level invertebrates and plankton-feeders. This indicator underpins reported trends in human impacts, declining when predators collapse ("fishing down marine food webs") and when low-trophic-level fisheries expand ("fishing through marine food webs"). The assumption is that catch MTL measures changes in ecosystem MTL and biodiversity. Here we combine model predictions with global assessments of MTL from catches, trawl surveys and fisheries stock assessments and find that catch MTL does not reliably predict changes in marine ecosystems. Instead, catch MTL trends often diverge from ecosystem MTL trends obtained from surveys and assessments. In contrast to previous findings of rapid declines in catch MTL, we observe recent increases in catch, survey and assessment MTL. However, catches from most trophic levels are rising, which can intensify fishery collapses even when MTL trends are stable or increasing. To detect fishing impacts on marine biodiversity, we recommend greater efforts to measure true abundance trends for marine species, especially those most vulnerable to fishing.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Branch, Trevor A -- Watson, Reg -- Fulton, Elizabeth A -- Jennings, Simon -- McGilliard, Carey R -- Pablico, Grace T -- Ricard, Daniel -- Tracey, Sean R -- England -- Nature. 2010 Nov 18;468(7322):431-5. doi: 10.1038/nature09528.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Aquatic and Fishery Sciences, Box 355020, University of Washington, Seattle, Washington 98195-5020, USA. tbranch@uw.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21085178" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aquatic Organisms/*isolation & purification/*metabolism ; Biodiversity ; Biomass ; Databases, Factual ; *Ecosystem ; Environmental Policy ; *Fisheries ; *Fishes/metabolism ; Food Chain ; Human Activities ; Invertebrates/metabolism ; Models, Biological ; Plankton/metabolism
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  • 10
    Publication Date: 2010-06-04
    Description: Ecological interactions are crucial to understanding both the ecology and the evolution of organisms. Because the phenotypic traits regulating species interactions are largely a legacy of their ancestors, it is widely assumed that ecological interactions are phylogenetically conserved, with closely related species interacting with similar partners. However, the existing empirical evidence is inadequate to appropriately evaluate the hypothesis of phylogenetic conservatism in ecological interactions, because it is both ecologically and taxonomically biased. In fact, most studies on the evolution of ecological interactions have focused on specialized organisms, such as some parasites or insect herbivores, belonging to a limited subset of the overall tree of life. Here we study the evolution of host use in a large and diverse group of interactions comprising both specialist and generalist acellular, unicellular and multicellular organisms. We show that, as previously found for specialized interactions, generalized interactions can be evolutionarily conserved. Significant phylogenetic conservatism of interaction patterns was equally likely to occur in symbiotic and non-symbiotic interactions, as well as in mutualistic and antagonistic interactions. Host-use differentiation among species was higher in phylogenetically conserved clades, irrespective of their generalization degree and taxonomic position within the tree of life. Our findings strongly suggest a shared pattern in the organization of biological systems through evolutionary time, mediated by marked conservatism of ecological interactions among taxa.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gomez, Jose M -- Verdu, Miguel -- Perfectti, Francisco -- England -- Nature. 2010 Jun 17;465(7300):918-21. doi: 10.1038/nature09113. Epub 2010 Jun 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Departamento de Ecologia, Universidad de Granada, E-18071 Granada, Spain. jmgreyes@ugr.es〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20520609" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; *Ecosystem ; Host-Parasite Interactions ; *Phylogeny ; Symbiosis/*physiology
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  • 11
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    Nature Publishing Group (NPG)
    Publication Date: 2010-12-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gates, John B -- England -- Nature. 2010 Dec 9;468(7325):765. doi: 10.1038/468765a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21150980" target="_blank"〉PubMed〈/a〉
    Keywords: Canada ; Chemical Hazard Release ; Disclosure ; *Ecosystem ; Environmental Pollutants/adverse effects ; *Mining ; Petroleum/*adverse effects ; *Public Opinion ; *Research Personnel ; Risk Assessment ; United States ; Water Supply
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  • 12
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    Nature Publishing Group (NPG)
    Publication Date: 2010-05-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2010 May 27;465(7297):397-8. doi: 10.1038/465397b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20505686" target="_blank"〉PubMed〈/a〉
    Keywords: Disaster Planning/organization & administration ; *Ecosystem ; Mexico ; Oceans and Seas ; Petroleum/*analysis/poisoning/toxicity ; Relief Work/*organization & administration ; Research/economics/*trends ; Seawater/*chemistry ; United States ; United States Government Agencies/*organization & administration
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  • 13
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    Nature Publishing Group (NPG)
    Publication Date: 2010-08-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schrope, Mark -- England -- Nature. 2010 Aug 12;466(7308):802. doi: 10.1038/466802a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20703275" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Disasters/*statistics & numerical data ; Ecology ; *Ecosystem ; Marine Biology ; Oceanography ; Oceans and Seas ; Petroleum/adverse effects/*analysis ; Reproducibility of Results ; Seawater/*chemistry ; *Uncertainty ; Volatilization
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  • 14
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    Nature Publishing Group (NPG)
    Publication Date: 2010-07-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gaskill, Melissa -- England -- Nature. 2010 Jul 1;466(7302):14-5. doi: 10.1038/466014a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20595980" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Identification Systems/utilization ; Animal Migration ; Animals ; *Disasters ; *Ecosystem ; Female ; Food Chain ; Larva/drug effects/growth & development ; Marine Biology ; Mexico ; Oceans and Seas ; Petroleum/analysis/*poisoning/*toxicity ; Seawater/*chemistry ; Sharks/physiology ; Survival Rate ; Tuna/physiology ; Turtles/physiology ; Whales/physiology
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  • 15
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    Nature Publishing Group (NPG)
    Publication Date: 2010-07-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schrope, Mark -- England -- Nature. 2010 Jul 15;466(7304):304-5. doi: 10.1038/466304a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20631769" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Disasters/history ; *Ecosystem ; Fisheries/history/statistics & numerical data ; History, 20th Century ; History, 21st Century ; Marine Biology/history/trends ; Mexico ; Oceans and Seas ; Ostreidae ; Petroleum/*analysis/*toxicity ; Population Dynamics ; Research/history/*statistics & numerical data/trends ; Seawater/*chemistry
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  • 16
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    Nature Publishing Group (NPG)
    Publication Date: 2010-09-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tollefson, Jeff -- England -- Nature. 2010 Sep 23;467(7314):386-7. doi: 10.1038/467386a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20864970" target="_blank"〉PubMed〈/a〉
    Keywords: Atmosphere/*chemistry ; Brazil ; Carbon Dioxide/*analysis/metabolism ; *Ecosystem ; Environmental Monitoring/economics/*instrumentation ; Forestry ; Germany ; Global Warming ; *Greenhouse Effect ; Time Factors ; Trees/growth & development/*metabolism ; Tropical Climate
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  • 17
    Publication Date: 2010-07-02
    Description: Protected areas vary enormously in their contribution to conserving biodiversity, and the inefficiency of protected area systems is widely acknowledged. However, conservation plans focus overwhelmingly on adding new sites to current protected area estates. Here we show that the conservation performance of a protected area system can be radically improved, without extra expenditure, by replacing a small number of protected areas with new ones that achieve more for conservation. Replacing the least cost-effective 1% of Australia's 6,990 strictly protected areas could increase the number of vegetation types that have 15% or more of their original extent protected from 18 to 54, of a maximum possible of 58. Moreover, it increases markedly the area that can be protected, with no increase in overall spending. This new paradigm for protected area system expansion could yield huge improvements to global conservation at a time when competition for land is increasingly intense.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fuller, Richard A -- McDonald-Madden, Eve -- Wilson, Kerrie A -- Carwardine, Josie -- Grantham, Hedley S -- Watson, James E M -- Klein, Carissa J -- Green, David C -- Possingham, Hugh P -- England -- Nature. 2010 Jul 15;466(7304):365-7. doi: 10.1038/nature09180. Epub 2010 Jun 30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Ecology Centre, University of Queensland, St Lucia, Queensland 4072, Australia. r.a.fuller@dunelm.org.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20592729" target="_blank"〉PubMed〈/a〉
    Keywords: Australia ; Biodiversity ; Conservation of Natural Resources/*economics/*methods/statistics & numerical data ; Cost-Benefit Analysis ; *Ecosystem ; Forestry/economics/methods ; Trees/physiology
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  • 18
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    Nature Publishing Group (NPG)
    Publication Date: 2010-07-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kareiva, Peter -- England -- Nature. 2010 Jul 15;466(7304):322-3. doi: 10.1038/466322a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20631786" target="_blank"〉PubMed〈/a〉
    Keywords: Australia ; Biodiversity ; Conservation of Natural Resources/*economics/*methods/statistics & numerical data ; Cost-Benefit Analysis ; *Ecosystem
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  • 19
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    Nature Publishing Group (NPG)
    Publication Date: 2010-09-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2010 Sep 16;467(7313):251-2. doi: 10.1038/467251b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20844491" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Migration ; Animals ; Conservation of Natural Resources/*methods ; *Ecosystem ; Politics ; Risk Assessment ; Ruminants/physiology ; Tanzania ; Transportation/*instrumentation ; Urbanization/*trends
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  • 20
    Publication Date: 2010-08-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marin, Victor H -- Delgado, Luisa E -- Tironi, Antonio -- England -- Nature. 2010 Aug 12;466(7308):815. doi: 10.1038/466815c.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20703284" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chile ; *Ecosystem ; *Fisheries ; *Mass Media ; *Salmon ; Uncertainty
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  • 21
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    Nature Publishing Group (NPG)
    Publication Date: 2010-05-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2010 May 6;465(7294):9. doi: 10.1038/465009a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20445583" target="_blank"〉PubMed〈/a〉
    Keywords: *Ecosystem ; *Environment ; Government Regulation ; Oceans and Seas ; *Public Policy/economics ; United States
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 22
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    Nature Publishing Group (NPG)
    Publication Date: 2010-06-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mascarelli, Amanda -- England -- Nature. 2010 Jun 24;465(7301):993. doi: 10.1038/465993b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20577177" target="_blank"〉PubMed〈/a〉
    Keywords: *Disasters ; *Ecosystem ; *Federal Government ; Industry/*economics/*legislation & jurisprudence ; Mexico ; Oceans and Seas ; Petroleum/*adverse effects ; Research/*economics ; Seawater/*chemistry ; United States
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  • 23
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    Nature Publishing Group (NPG)
    Publication Date: 2010-09-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marris, Emma -- England -- Nature. 2010 Aug 5;466(7307):784-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20862790" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anthozoa ; Conservation of Natural Resources/*trends ; Disasters ; *Ecosystem ; Employment/statistics & numerical data/trends ; Fisheries/methods/statistics & numerical data ; Human Activities ; Marine Biology/education/*manpower/*trends ; Petroleum/adverse effects ; Public Policy ; *Research Personnel ; Social Sciences/education
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  • 24
    Publication Date: 2010-11-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Powers, Joseph E -- England -- Nature. 2010 Nov 18;468(7322):385-6. doi: 10.1038/468385a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21085170" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aquatic Organisms/*isolation & purification ; *Biodiversity ; Databases, Factual ; *Ecosystem ; *Fisheries ; *Fishes ; Food Chain ; Models, Biological
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  • 25
    Publication Date: 2010-06-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Viswanathan, Gandhimohan M -- England -- Nature. 2010 Jun 24;465(7301):1018-9. doi: 10.1038/4651018a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20577199" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Ecosystem ; Fishes/*physiology ; *Food ; Locomotion/*physiology ; Models, Biological ; Predatory Behavior/*physiology ; *Seawater ; Swimming/physiology
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  • 26
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    Nature Publishing Group (NPG)
    Publication Date: 2010-02-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dalton, Rex -- England -- Nature. 2010 Feb 25;463(7284):1007. doi: 10.1038/4631007a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20182480" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anthozoa ; Australia ; California ; *Conservation of Natural Resources/economics/methods ; *Ecosystem ; *Fisheries/economics ; Population Density
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  • 27
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    Nature Publishing Group (NPG)
    Publication Date: 2010-06-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marris, Emma -- England -- Nature. 2010 Jun 17;465(7300):859. doi: 10.1038/465859a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20559360" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; *Ecosystem ; Global Warming ; Humans ; *United Nations/economics
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  • 28
    Publication Date: 2010-09-10
    Description: During the decline to extinction, animal populations may present dynamical phenomena not exhibited by robust populations. Some of these phenomena, such as the scaling of demographic variance, are related to small size whereas others result from density-dependent nonlinearities. Although understanding the causes of population extinction has been a central problem in theoretical biology for decades, the ability to anticipate extinction has remained elusive. Here we argue that the causes of a population's decline are central to the predictability of its extinction. Specifically, environmental degradation may cause a tipping point in population dynamics, corresponding to a bifurcation in the underlying population growth equations, beyond which decline to extinction is almost certain. In such cases, imminent extinction will be signalled by critical slowing down (CSD). We conducted an experiment with replicate laboratory populations of Daphnia magna to test this hypothesis. We show that populations crossing a transcritical bifurcation, experimentally induced by the controlled decline in environmental conditions, show statistical signatures of CSD after the onset of environmental deterioration and before the critical transition. Populations in constant environments did not have these patterns. Four statistical indicators all showed evidence of the approaching bifurcation as early as 110 days ( approximately 8 generations) before the transition occurred. Two composite indices improved predictability, and comparative analysis showed that early warning signals based solely on observations in deteriorating environments without reference populations for standardization were hampered by the presence of transient dynamics before the onset of deterioration, pointing to the importance of reliable baseline data before environmental deterioration begins. The universality of bifurcations in models of population dynamics suggests that this phenomenon should be general.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Drake, John M -- Griffen, Blaine D -- England -- Nature. 2010 Sep 23;467(7314):456-9. doi: 10.1038/nature09389. Epub 2010 Sep 8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Odum School of Ecology, University of Georgia, Athens, Georgia 30602, USA. jdrake@uga.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20827269" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Daphnia/growth & development/*physiology ; *Ecosystem ; *Extinction, Biological ; Forecasting ; *Models, Biological ; Population Density ; Population Dynamics
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  • 29
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    Nature Publishing Group (NPG)
    Publication Date: 2010-05-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Earle, Sylvia -- England -- Nature. 2010 May 13;465(7295):165. doi: 10.1038/465165a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉US National Oceanic and Atmospheric Administration, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20463723" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Climate ; *Conservation of Natural Resources ; *Ecology ; *Ecosystem ; *Marine Biology ; Meteorology ; *Motion Pictures as Topic ; Oceans and Seas ; Population Density
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  • 30
    Publication Date: 2010-07-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yang, Xiaohui -- Jia, Zhiqing -- Ci, Longjun -- England -- Nature. 2010 Jul 15;466(7304):315; author reply 315. doi: 10.1038/466315c.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20631778" target="_blank"〉PubMed〈/a〉
    Keywords: China ; Conservation of Natural Resources/*methods ; *Ecosystem ; Forestry/*methods ; *Program Evaluation ; Rain ; Soil/*analysis ; Trees/*growth & development ; Water Supply/*analysis ; Wind
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  • 31
    Publication Date: 2010-07-03
    Description: The evidence for macroscopic life during the Palaeoproterozoic era (2.5-1.6 Gyr ago) is controversial. Except for the nearly 2-Gyr-old coil-shaped fossil Grypania spiralis, which may have been eukaryotic, evidence for morphological and taxonomic biodiversification of macroorganisms only occurs towards the beginning of the Mesoproterozoic era (1.6-1.0 Gyr). Here we report the discovery of centimetre-sized structures from the 2.1-Gyr-old black shales of the Palaeoproterozoic Francevillian B Formation in Gabon, which we interpret as highly organized and spatially discrete populations of colonial organisms. The structures are up to 12 cm in size and have characteristic shapes, with a simple but distinct ground pattern of flexible sheets and, usually, a permeating radial fabric. Geochemical analyses suggest that the sediments were deposited under an oxygenated water column. Carbon and sulphur isotopic data indicate that the structures were distinct biogenic objects, fossilized by pyritization early in the formation of the rock. The growth patterns deduced from the fossil morphologies suggest that the organisms showed cell-to-cell signalling and coordinated responses, as is commonly associated with multicellular organization. The Gabon fossils, occurring after the 2.45-2.32-Gyr increase in atmospheric oxygen concentration, may be seen as ancient representatives of multicellular life, which expanded so rapidly 1.5 Gyr later, in the Cambrian explosion.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉El Albani, Abderrazak -- Bengtson, Stefan -- Canfield, Donald E -- Bekker, Andrey -- Macchiarelli, Roberto -- Mazurier, Arnaud -- Hammarlund, Emma U -- Boulvais, Philippe -- Dupuy, Jean-Jacques -- Fontaine, Claude -- Fursich, Franz T -- Gauthier-Lafaye, Francois -- Janvier, Philippe -- Javaux, Emmanuelle -- Ossa, Frantz Ossa -- Pierson-Wickmann, Anne-Catherine -- Riboulleau, Armelle -- Sardini, Paul -- Vachard, Daniel -- Whitehouse, Martin -- Meunier, Alain -- England -- Nature. 2010 Jul 1;466(7302):100-4. doi: 10.1038/nature09166.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratoire HYDRASA, UMR 6269 CNRS-INSU, Universite de Poitiers, 86022 Poitiers, France. abder.albani@univ-poitiers.fr〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20596019" target="_blank"〉PubMed〈/a〉
    Keywords: Bacteria/cytology ; *Ecosystem ; Eukaryota/cytology ; *Fossils ; Gabon ; Geologic Sediments/microbiology ; History, Ancient ; Oxygen/*metabolism
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  • 32
    Publication Date: 2010-10-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hilborn, Ray -- Cowan, James H Jr -- England -- Nature. 2010 Sep 30;467(7315):531. doi: 10.1038/467531c.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20881998" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Certification/economics/*standards ; Conservation of Natural Resources/*legislation & jurisprudence/methods ; *Ecosystem ; Fisheries/economics/*standards ; Fishes/physiology ; Marine Biology/*standards ; Population Dynamics ; *Seafood/economics/standards
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  • 33
    Publication Date: 2010-12-18
    Description: On the basis of projected losses of their essential sea-ice habitats, a United States Geological Survey research team concluded in 2007 that two-thirds of the world's polar bears (Ursus maritimus) could disappear by mid-century if business-as-usual greenhouse gas emissions continue. That projection, however, did not consider the possible benefits of greenhouse gas mitigation. A key question is whether temperature increases lead to proportional losses of sea-ice habitat, or whether sea-ice cover crosses a tipping point and irreversibly collapses when temperature reaches a critical threshold. Such a tipping point would mean future greenhouse gas mitigation would confer no conservation benefits to polar bears. Here we show, using a general circulation model, that substantially more sea-ice habitat would be retained if greenhouse gas rise is mitigated. We also show, with Bayesian network model outcomes, that increased habitat retention under greenhouse gas mitigation means that polar bears could persist throughout the century in greater numbers and more areas than in the business-as-usual case. Our general circulation model outcomes did not reveal thresholds leading to irreversible loss of ice; instead, a linear relationship between global mean surface air temperature and sea-ice habitat substantiated the hypothesis that sea-ice thermodynamics can overcome albedo feedbacks proposed to cause sea-ice tipping points. Our outcomes indicate that rapid summer ice losses in models and observations represent increased volatility of a thinning sea-ice cover, rather than tipping-point behaviour. Mitigation-driven Bayesian network outcomes show that previously predicted declines in polar bear distribution and numbers are not unavoidable. Because polar bears are sentinels of the Arctic marine ecosystem and trends in their sea-ice habitats foreshadow future global changes, mitigating greenhouse gas emissions to improve polar bear status would have conservation benefits throughout and beyond the Arctic.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Amstrup, Steven C -- Deweaver, Eric T -- Douglas, David C -- Marcot, Bruce G -- Durner, George M -- Bitz, Cecilia M -- Bailey, David A -- England -- Nature. 2010 Dec 16;468(7326):955-8. doi: 10.1038/nature09653.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉US Geological Survey, Alaska Science Center, 4210 University Drive, Anchorage, Alaska 99508, USA. samstrup@pbears.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21164484" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aquatic Organisms ; Arctic Regions ; Bayes Theorem ; Carbon Dioxide/analysis ; *Ecosystem ; Endangered Species/statistics & numerical data/*trends ; Environmental Monitoring ; Gases/analysis ; Global Warming/prevention & control/statistics & numerical data ; Greenhouse Effect/*prevention & control/statistics & numerical data ; *Ice Cover ; Models, Theoretical ; Population Density ; Predatory Behavior ; Seasons ; Seawater/analysis/chemistry ; Temperature ; Thermodynamics ; Time Factors ; Ursidae/*physiology
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  • 34
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    Nature Publishing Group (NPG)
    Publication Date: 2010-10-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sambrotto, Raymond N -- England -- Nature. 2010 Sep 30;467(7315):538-9. doi: 10.1038/467538a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20882003" target="_blank"〉PubMed〈/a〉
    Keywords: Diatoms/genetics/metabolism ; *Ecosystem ; *Geography ; Nitrogen/analysis/metabolism ; Oceans and Seas ; Phosphorus/analysis/metabolism ; Plankton/*metabolism ; Seawater/*chemistry
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  • 35
    Publication Date: 2010-05-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cao, Shixiong -- Wang, Guosheng -- Chen, Li -- England -- Nature. 2010 May 6;465(7294):31. doi: 10.1038/465031d.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20445606" target="_blank"〉PubMed〈/a〉
    Keywords: China ; Conservation of Natural Resources/*methods ; Droughts ; *Ecosystem ; Rain ; *Trees
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  • 36
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    Nature Publishing Group (NPG)
    Publication Date: 2010-02-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England, John -- England -- Nature. 2010 Jan 14;463(7278):159. doi: 10.1038/463159a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉NSERC Northern Research Chair at the University of Alberta, Edmonton, Alberta T6G 2E3, Canada. john.england@ualberta.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20075900" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arctic Regions ; Canada ; Ecology/*economics/instrumentation ; *Ecosystem ; Ice Cover ; Leadership ; Research/*economics/instrumentation ; Research Support as Topic/economics/*organization & administration
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  • 37
    Publication Date: 2010-04-24
    Description: The production of artificial fertilizers, fossil fuel use and leguminous agriculture worldwide has increased the amount of reactive nitrogen in the natural environment by an order of magnitude since the Industrial Revolution. This reorganization of the nitrogen cycle has led to an increase in food production, but increasingly causes a number of environmental problems. One such problem is the accumulation of nitrate in both freshwater and coastal marine ecosystems. Here we establish that ecosystem nitrate accrual exhibits consistent and negative nonlinear correlations with organic carbon availability along a hydrologic continuum from soils, through freshwater systems and coastal margins, to the open ocean. The trend also prevails in ecosystems subject to substantial human alteration. Across this diversity of environments, we find evidence that resource stoichiometry (organic carbon:nitrate) strongly influences nitrate accumulation by regulating a suite of microbial processes that couple dissolved organic carbon and nitrate cycling. With the help of a meta-analysis we show that heterotrophic microbes maintain low nitrate concentrations when organic carbon:nitrate ratios match the stoichiometric demands of microbial anabolism. When resource ratios drop below the minimum carbon:nitrogen ratio of microbial biomass, however, the onset of carbon limitation appears to drive rapid nitrate accrual, which may then be further enhanced by nitrification. At low organic carbon:nitrate ratios, denitrification appears to constrain the extent of nitrate accretion, once organic carbon and nitrate availability approach the 1:1 stoichiometry of this catabolic process. Collectively, these microbial processes express themselves on local to global scales by restricting the threshold ratios underlying nitrate accrual to a constrained stoichiometric window. Our findings indicate that ecological stoichiometry can help explain the fate of nitrate across disparate environments and in the face of human disturbance.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Taylor, Philip G -- Townsend, Alan R -- England -- Nature. 2010 Apr 22;464(7292):1178-81. doi: 10.1038/nature08985.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉INSTAAR, University of Colorado, Boulder, Colorado, USA. philip.taylor@colorado.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20414306" target="_blank"〉PubMed〈/a〉
    Keywords: Bacteria/metabolism ; Biomass ; Carbon/analysis/*metabolism ; Climate ; *Ecosystem ; Fresh Water/chemistry ; Freshwater Biology ; Marine Biology ; Nitrates/analysis/*metabolism ; Nitrogen/analysis/metabolism ; Oceans and Seas ; Plankton/metabolism ; Seawater/*chemistry ; Soil/*analysis
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  • 38
    Publication Date: 2010-10-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Homewood, Katherine -- Brockington, Daniel -- Sullivan, Sian -- England -- Nature. 2010 Oct 14;467(7317):788-9. doi: 10.1038/467788e.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20944723" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Migration ; Animals ; *Ecosystem ; *Environmental Policy ; Tanzania ; *Transportation
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  • 39
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    Publication Date: 2010-11-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huber, Patrick R -- Greco, Steven E -- England -- Nature. 2010 Nov 11;468(7321):173. doi: 10.1038/468173a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21068814" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Cities ; *City Planning/methods/trends ; *Ecosystem ; *Plant Development
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  • 40
    Publication Date: 2010-06-10
    Description: An optimal search theory, the so-called Levy-flight foraging hypothesis, predicts that predators should adopt search strategies known as Levy flights where prey is sparse and distributed unpredictably, but that Brownian movement is sufficiently efficient for locating abundant prey. Empirical studies have generated controversy because the accuracy of statistical methods that have been used to identify Levy behaviour has recently been questioned. Consequently, whether foragers exhibit Levy flights in the wild remains unclear. Crucially, moreover, it has not been tested whether observed movement patterns across natural landscapes having different expected resource distributions conform to the theory's central predictions. Here we use maximum-likelihood methods to test for Levy patterns in relation to environmental gradients in the largest animal movement data set assembled for this purpose. Strong support was found for Levy search patterns across 14 species of open-ocean predatory fish (sharks, tuna, billfish and ocean sunfish), with some individuals switching between Levy and Brownian movement as they traversed different habitat types. We tested the spatial occurrence of these two principal patterns and found Levy behaviour to be associated with less productive waters (sparser prey) and Brownian movements to be associated with productive shelf or convergence-front habitats (abundant prey). These results are consistent with the Levy-flight foraging hypothesis, supporting the contention that organism search strategies naturally evolved in such a way that they exploit optimal Levy patterns.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Humphries, Nicolas E -- Queiroz, Nuno -- Dyer, Jennifer R M -- Pade, Nicolas G -- Musyl, Michael K -- Schaefer, Kurt M -- Fuller, Daniel W -- Brunnschweiler, Juerg M -- Doyle, Thomas K -- Houghton, Jonathan D R -- Hays, Graeme C -- Jones, Catherine S -- Noble, Leslie R -- Wearmouth, Victoria J -- Southall, Emily J -- Sims, David W -- England -- Nature. 2010 Jun 24;465(7301):1066-9. doi: 10.1038/nature09116. Epub 2010 Jun 9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Marine Biological Association of the United Kingdom, The Laboratory, Citadel Hill, Plymouth PL1 2PB, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20531470" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Identification Systems ; Animals ; Biological Evolution ; *Ecosystem ; Exploratory Behavior/physiology ; Fishes/*physiology ; *Food ; Likelihood Functions ; Locomotion/*physiology ; Marine Biology ; *Models, Biological ; Perciformes/physiology ; Predatory Behavior/*physiology ; *Seawater ; Sharks/physiology ; Swimming/physiology
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  • 41
    Publication Date: 2010-06-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vester, Heike -- Timme, Marc -- England -- Nature. 2010 Jun 17;465(7300):869. doi: 10.1038/465869d.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20559364" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chile ; *Ecosystem ; *Fisheries ; Industrial Waste/legislation & jurisprudence ; Noise/prevention & control ; *Salmon ; Water Pollution/*prevention & control
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  • 42
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    Nature Publishing Group (NPG)
    Publication Date: 2010-12-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Abbott, Alison -- England -- Nature. 2010 Dec 16;468(7326):886-8. doi: 10.1038/468886a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21164459" target="_blank"〉PubMed〈/a〉
    Keywords: Academies and Institutes/organization & administration ; Agriculture/methods/trends ; Animals ; *Ecosystem ; Gene Knockdown Techniques ; Genetic Engineering ; Germany ; Herbicides ; Insects/drug effects/physiology ; Pheromones/genetics/*metabolism/pharmacology/toxicity ; Plants/drug effects/genetics/*metabolism ; Plants, Genetically Modified ; Predatory Behavior/drug effects ; *Research/economics ; Seeds/genetics/metabolism ; Stimulation, Chemical ; Tobacco/drug effects/genetics/metabolism ; Utah
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 43
    Publication Date: 2010-09-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mayer, Paul -- England -- Nature. 2010 Sep 9;467(7312):153. doi: 10.1038/467153b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20829773" target="_blank"〉PubMed〈/a〉
    Keywords: *Cities ; Conservation of Natural Resources ; Ecology ; *Ecosystem ; Human Activities ; Humans ; Urban Population
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 44
    Publication Date: 2010-08-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, Stephen M -- England -- Nature. 2010 Aug 26;466(7310):1041. doi: 10.1038/4661041a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20739991" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Culicidae/*physiology ; *Ecosystem ; *Extinction, Biological ; Insect Control/ethics
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    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 45
    Publication Date: 2010-04-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kokko, Hanna -- Jennions, Michael -- England -- Nature. 2010 Apr 15;464(7291):990-1. doi: 10.1038/464990b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20393552" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anura/classification/*physiology ; *Ecosystem ; Female ; Food ; Fresh Water/*analysis ; Larva/physiology ; Male ; *Maternal Behavior/physiology ; *Paternal Behavior ; Phylogeny ; Survival Rate
    Print ISSN: 0028-0836
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  • 46
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-08-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bascompte, Jordi -- New York, N.Y. -- Science. 2010 Aug 13;329(5993):765-6. doi: 10.1126/science.1194255.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Integrative Ecology Group, Estacion Biologica de Donana, Consejo Superior de Investigaciones Cientificas, Americo Vespucio s/n, E-41092 Sevilla, Spain. bascompte@ebd.csic.es〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20705836" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Ecosystem ; Food Chain ; Insects/*physiology ; Models, Biological ; *Plant Physiological Phenomena ; Pollination ; *Symbiosis
    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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  • 47
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-03-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Clutton-Brock, Tim -- Sheldon, Ben C -- New York, N.Y. -- Science. 2010 Mar 5;327(5970):1207-8. doi: 10.1126/science.1187796.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Zoology, University of Cambridge, Cambridge CB2 3EJ, UK. thcb@cam.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20203037" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Behavior, Animal ; *Ecosystem ; Female ; Interdisciplinary Communication ; Male ; *Mammals/physiology ; Pan troglodytes/physiology ; *Primates/physiology ; Reproduction ; *Research ; Research Support as Topic ; Time Factors
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  • 48
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-01-23
    Description: Forests both take up CO2 and enhance absorption of solar radiation, with contrasting effects on global temperature. Based on a 9-year study in the forests' dry timberline, we show that substantial carbon sequestration (cooling effect) is maintained in the large dry transition zone (precipitation from 200 to 600 millimeters) by shifts in peak photosynthetic activities from summer to early spring, and this is counteracted by longwave radiation (L) suppression (warming effect), doubling the forestation shortwave (S) albedo effect. Several decades of carbon accumulation are required to balance the twofold S + L effect. Desertification over the past several decades, however, contributed negative forcing at Earth's surface equivalent to approximately 20% of the global anthropogenic CO2 effect over the same period, moderating warming trends.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rotenberg, Eyal -- Yakir, Dan -- New York, N.Y. -- Science. 2010 Jan 22;327(5964):451-4. doi: 10.1126/science.1179998.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Environmental Sciences and Energy Research, Weizmann Institute of Science, Rehovot 76100, Israel.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20093470" target="_blank"〉PubMed〈/a〉
    Keywords: Carbon/*metabolism ; Carbon Dioxide/metabolism ; *Climatic Processes ; Conservation of Natural Resources ; *Ecosystem ; Geography ; Israel ; Photosynthesis ; Seasons ; Temperature ; *Trees/growth & development/metabolism
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 49
    Publication Date: 2010-03-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bawa, Kamaljit S -- Koh, Lian Pin -- Lee, Tien Ming -- Liu, Jianguo -- Ramakrishnan, P S -- Yu, Douglas W -- Zhang, Ya-ping -- Raven, Peter H -- New York, N.Y. -- Science. 2010 Mar 19;327(5972):1457, 1459. doi: 10.1126/science.1185164.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Massachusetts, Boston, MA 02125, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20299578" target="_blank"〉PubMed〈/a〉
    Keywords: Biodiversity ; China ; *Climate Change ; *Conservation of Natural Resources ; *Ecosystem ; *Environment ; India ; *International Cooperation ; Politics ; Trees ; Water
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  • 50
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-06-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, Jocelyn -- New York, N.Y. -- Science. 2010 Jun 18;328(5985):1506. doi: 10.1126/science.328.5985.1506.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20558704" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Atlantic Ocean ; *Ecosystem ; Pacific Ocean ; Particle Size ; Particulate Matter ; *Plastics/toxicity ; *Seawater ; Water Movements ; *Water Pollution ; Zooplankton
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  • 51
    Publication Date: 2010-10-16
    Description: Food chain length (FCL) is a fundamental component of food web structure. Studies in a variety of ecosystems suggest that FCL is determined by energy supply, environmental stability, and/or ecosystem size, but the nature of the relationship between environmental stability and FCL, and the mechanism linking ecosystem size to FCL, remain unclear. Here we show that FCL increases with drainage area and decreases with hydrologic variability and intermittency across 36 North American rivers. Our analysis further suggests that hydrologic variability is the mechanism underlying the correlation between ecosystem size and FCL in rivers. Ecosystem size lengthens river food chains by integrating and attenuating discharge variation through stream networks, thereby enhancing environmental stability in larger river systems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sabo, John L -- Finlay, Jacques C -- Kennedy, Theodore -- Post, David M -- New York, N.Y. -- Science. 2010 Nov 12;330(6006):965-7. doi: 10.1126/science.1196005. Epub 2010 Oct 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Faculty of Ecology, Evolution, and Environmental Sciences, School of Life Sciences, Arizona State University, Post Office Box 874501, Tempe, AZ 85287-4501, USA. John.L.Sabo@asu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20947729" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Ecosystem ; Environment ; Fishes ; *Food Chain ; Invertebrates ; North America ; *Rivers ; Water Cycle ; Water Movements
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  • 52
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-03-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Normile, Dennis -- New York, N.Y. -- Science. 2010 Mar 26;327(5973):1568-70. doi: 10.1126/science.327.5973.1568.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20339043" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Ecosystem ; *Environment ; Financing, Government ; Republic of Korea ; *Rivers ; Water Movements ; *Wetlands
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  • 53
    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
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  • 54
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-02-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schulze, E Detlef -- Schulze, Inge -- New York, N.Y. -- Science. 2010 Feb 19;327(5968):957. doi: 10.1126/science.327.5968.957-a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20167771" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; Climate Change ; *Conservation of Natural Resources/economics ; *Ecosystem ; *Forestry/economics ; Germany ; *Trees/growth & development ; Wood
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  • 55
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-09-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marshall, Charles R -- New York, N.Y. -- Science. 2010 Sep 3;329(5996):1156-7. doi: 10.1126/science.1194924.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Integrative Biology, University of California Museum of Paleontology, University of California, Berkeley, Berkeley, CA 94720, USA. crmarshall@berkeley.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20813942" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; Data Interpretation, Statistical ; *Databases, Factual ; *Ecosystem ; Extinction, Biological ; *Fossils ; Geography ; *Invertebrates ; Marine Biology ; Oceans and Seas ; *Paleontology ; Population Dynamics ; Time
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-06-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kerr, Richard A -- New York, N.Y. -- Science. 2010 Jun 18;328(5985):1500-1. doi: 10.1126/science.328.5985.1500.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20558701" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anthozoa/physiology ; Bicarbonates/analysis/chemistry ; Calcification, Physiologic ; Calcium Carbonate/chemistry ; Carbon Dioxide/chemistry ; *Ecosystem ; Foraminifera/physiology ; Human Activities ; Humans ; Hydrogen-Ion Concentration ; Oceans and Seas ; Seawater/*chemistry
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  • 57
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-07-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vince, Gaia -- New York, N.Y. -- Science. 2010 Jul 23;329(5990):382-5. doi: 10.1126/science.329.5990.382.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20651130" target="_blank"〉PubMed〈/a〉
    Keywords: Chile ; *Ecosystem ; *Electricity ; *Environment ; *Power Plants ; *Rivers ; Trees
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-04-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bohannon, John -- New York, N.Y. -- Science. 2010 Apr 2;328(5974):23-5. doi: 10.1126/science.328.5974.23.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20360072" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; Commerce/legislation & jurisprudence ; *Conservation of Natural Resources/legislation & jurisprudence ; *Ecosystem ; Endangered Species ; Madagascar ; *Trees ; Wood
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 59
    Publication Date: 2010-08-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Machlis, Gary E -- McNutt, Marcia K -- New York, N.Y. -- Science. 2010 Aug 27;329(5995):1018-9. doi: 10.1126/science.1195382.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Strategic Sciences Working Group, U.S. Department of the Interior, Washington, DC 20024, USA. gary_machlis@nps.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20798302" target="_blank"〉PubMed〈/a〉
    Keywords: *Accidents ; Animals ; Atlantic Ocean ; Decision Making ; *Disasters ; *Ecosystem ; Environmental Pollution ; Fisheries ; Forecasting ; Interdisciplinary Communication ; *Petroleum ; Planning Techniques ; Public Policy ; United States ; United States Government Agencies ; Wetlands
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  • 60
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-01-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schimel, David S -- New York, N.Y. -- Science. 2010 Jan 22;327(5964):418-9. doi: 10.1126/science.1184946.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Ecological Observatory, Inc., 5340 Airport Boulevard, Boulder, CO 80301, USA. dschimel@naeoninc.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20093461" target="_blank"〉PubMed〈/a〉
    Keywords: Carbon/*metabolism ; Climate Change ; *Climatic Processes ; Conservation of Natural Resources ; *Ecosystem ; Geography ; Israel ; Photosynthesis ; Seasons ; Temperature ; *Trees/growth & development/metabolism
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  • 61
    Publication Date: 2010-06-26
    Description: The factors determining species commonness and rarity are poorly understood, particularly in highly diverse communities. Theory predicts that interactions with neighbors of the same (conspecific) and other (heterospecific) species can influence a species' relative abundance, but empirical tests are lacking. By using a hierarchical model of survival for more than 30,000 seedlings of 180 tropical tree species on Barro Colorado Island, Panama, we tested whether species' sensitivity to neighboring individuals relates to their relative abundance in the community. We found wide variation among species in the effect of conspecific, but not heterospecific, neighbors on survival, and we found a significant relationship between the strength of conspecific neighbor effects and species abundance. Specifically, rare species suffered more from the presence of conspecific neighbors than common species did, suggesting that conspecific density dependence shapes species abundances in diverse communities.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Comita, Liza S -- Muller-Landau, Helene C -- Aguilar, Salomon -- Hubbell, Stephen P -- New York, N.Y. -- Science. 2010 Jul 16;329(5989):330-2. doi: 10.1126/science.1190772. Epub 2010 Jun 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Center for Ecological Analysis and Synthesis, 735 State Street, Suite 300, Santa Barbara, CA 93101, USA. comita@nceas.ucsb.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20576853" target="_blank"〉PubMed〈/a〉
    Keywords: Bayes Theorem ; *Biodiversity ; *Ecosystem ; Panama ; Population Density ; Seedlings/growth & development ; Species Specificity ; *Trees/growth & development ; *Tropical Climate
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  • 62
    Publication Date: 2010-07-22
    Description: Since the collapse of the pelagic fisheries off southwest Africa in the late 1960s, jellyfish biomass has increased and the structure of the Benguelan fish community has shifted, making the bearded goby (Sufflogobius bibarbatus) the new predominant prey species. Despite increased predation pressure and a harsh environment, the gobies are thriving. Here we show that physiological adaptations and antipredator and foraging behaviors underpin the success of these fish. In particular, body-tissue isotope signatures reveal that gobies consume jellyfish and sulphidic diatomaceous mud, transferring "dead-end" resources back into the food chain.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Utne-Palm, Anne C -- Salvanes, Anne G V -- Currie, Bronwen -- Kaartvedt, Stein -- Nilsson, Goran E -- Braithwaite, Victoria A -- Stecyk, Jonathan A W -- Hundt, Matthias -- van der Bank, Megan -- Flynn, Bradley -- Sandvik, Guro K -- Klevjer, Thor A -- Sweetman, Andrew K -- Bruchert, Volker -- Pittman, Karin -- Peard, Kathleen R -- Lunde, Ida G -- Strandabo, Ronnaug A U -- Gibbons, Mark J -- New York, N.Y. -- Science. 2010 Jul 16;329(5989):333-6. doi: 10.1126/science.1190708.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of Bergen, Bergen, Norway. anne.palm@bio.uib.no〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20647468" target="_blank"〉PubMed〈/a〉
    Keywords: *Adaptation, Physiological ; Anaerobiosis ; Animals ; Bacteria ; Behavior, Animal ; Biomass ; Cardiovascular Physiological Phenomena ; Digestion ; *Ecosystem ; Feeding Behavior ; Fisheries ; Fishes/physiology ; *Food Chain ; Geologic Sediments/microbiology ; Hydrogen Sulfide/analysis ; Namibia ; Oxygen/analysis ; Oxygen Consumption ; Perciformes/*physiology ; Population Dynamics ; Predatory Behavior ; *Scyphozoa ; Seawater/chemistry
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-01-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gilg, Olivier -- Yoccoz, Nigel G -- New York, N.Y. -- Science. 2010 Jan 15;327(5963):276-7. doi: 10.1126/science.1184964.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological and Environmental Sciences, 00014 University of Helsinki, Finland. olivier.gilg@gmail.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20075236" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Migration ; Animals ; Arctic Regions ; Birds/*physiology ; *Ecosystem ; *Nesting Behavior ; Population Density ; Population Dynamics ; *Predatory Behavior
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 64
    Publication Date: 2010-12-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Blight, Louise K -- Ainley, David G -- Ackley, Stephen F -- Ballard, Grant -- Ballerini, Tosca -- Brownell, Robert L Jr -- Cheng, C-H Christina -- Chiantore, Mariachiara -- Costa, Daniel -- Coulter, Malcolm C -- Dayton, Paul -- Devries, Arthur L -- Dunbar, Robert -- Earle, Sylvia -- Eastman, Joseph T -- Emslie, Steven D -- Evans, Clive W -- Garrott, Robert A -- Kim, Stacy -- Kooyman, Gerald -- Lescroel, Amelie -- Lizotte, Michael -- Massaro, Melanie -- Olmastroni, Silvia -- Ponganis, Paul J -- Russell, Joellen -- Siniff, Donald B -- Smith, Walker O Jr -- Stewart, Brent S -- Stirling, Ian -- Willis, Jay -- Wilson, Peter -- Woehler, Eric J -- New York, N.Y. -- Science. 2010 Dec 3;330(6009):1316. doi: 10.1126/science.330.6009.1316.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21127229" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antarctic Regions ; *Bass ; Certification ; *Conservation of Natural Resources ; *Ecosystem ; Fisheries/*standards
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 65
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-11-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Malakoff, David -- New York, N.Y. -- Science. 2010 Nov 12;330(6006):910-1. doi: 10.1126/science.330.6006.910.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21071645" target="_blank"〉PubMed〈/a〉
    Keywords: Acid Rain/*legislation & jurisprudence ; Air Pollution/*legislation & jurisprudence ; Animals ; Biodiversity ; *Ecosystem ; Fishes ; *Fresh Water/chemistry/microbiology ; Hydrogen-Ion Concentration ; Sulfur ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 66
    Publication Date: 2010-05-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kerr, Richard A -- Kintisch, Eli -- Schenkman, Lauren -- Stokstad, Erik -- New York, N.Y. -- Science. 2010 May 21;328(5981):962-3. doi: 10.1126/science.328.5981.962.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20489000" target="_blank"〉PubMed〈/a〉
    Keywords: *Accidents ; Animals ; Atlantic Ocean ; *Disasters ; *Ecosystem ; Environmental Monitoring ; *Environmental Pollution ; Fisheries ; Food Chain ; *Petroleum ; Plants ; Wetlands
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    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 67
    Publication Date: 2010-10-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kerr, Richard A -- Stokstad, Erik -- New York, N.Y. -- Science. 2010 Oct 15;330(6002):302-3. doi: 10.1126/science.330.6002.302.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20947731" target="_blank"〉PubMed〈/a〉
    Keywords: *Advisory Committees ; *Ecosystem ; *Environmental Pollution ; *Information Dissemination ; *Petroleum ; United States ; United States Government Agencies
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 68
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-06-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Peh, Kelvin S-H -- New York, N.Y. -- Science. 2010 Jun 4;328(5983):1228-9. doi: 10.1126/science.328.5983.1228-d.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20522756" target="_blank"〉PubMed〈/a〉
    Keywords: Biodiversity ; China ; *Conservation of Natural Resources ; *Ecosystem ; Environment ; India ; *International Cooperation ; Military Personnel
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 69
    Publication Date: 2010-01-09
    Description: Large-scale biodiversity gradients among environments and habitats are usually attributed to a complex array of ecological and evolutionary factors. We tested the evolutionary component of such gradients by compiling the environments of the geologically oldest occurrences of marine genera and using sampling standardization to assess if originations tended to be clustered in particular environments. Shallow, tropical environments and carbonate substrates all tend to have harbored high origination rates. Diversity within these environments tended to be preferentially generated in reefs, probably because of their habitat complexity. Reefs were also prolific at exporting diversity to other environments, which might be a consequence of low-diversity habitats being more susceptible to invasions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kiessling, Wolfgang -- Simpson, Carl -- Foote, Michael -- New York, N.Y. -- Science. 2010 Jan 8;327(5962):196-8. doi: 10.1126/science.1182241.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Museum fur Naturkunde, Leibniz Institute for Research on Evolution and Biodiversity at the Humboldt University Berlin, 10115 Berlin, Germany. wolfgang.kiessling@mfn-berlin.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20056888" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Anthozoa ; *Biodiversity ; *Biological Evolution ; Calcium Carbonate ; *Ecosystem ; Environment ; Fishes ; *Fossils ; Geography ; *Invertebrates/classification
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  • 70
    Publication Date: 2010-10-12
    Description: Oceanic bacteria perform many environmental functions, including biogeochemical cycling of many elements, metabolizing of greenhouse gases, functioning in oceanic food webs (microbial loop), and producing valuable natural products and viruses. We demonstrate that the widespread capability of marine bacteria to participate in horizontal gene transfer (HGT) in coastal and oceanic environments may be the result of gene transfer agents (GTAs), viral-like particles produced by alpha-Proteobacteria. We documented GTA-mediated gene transfer frequencies a thousand to a hundred million times higher than prior estimates of HGT in the oceans, with as high as 47% of the culturable natural microbial community confirmed as gene recipients. These findings suggest a plausible mechanism by which marine bacteria acquire novel traits, thus ensuring resilience in the face of environmental change.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McDaniel, Lauren D -- Young, Elizabeth -- Delaney, Jennifer -- Ruhnau, Fabian -- Ritchie, Kim B -- Paul, John H -- New York, N.Y. -- Science. 2010 Oct 1;330(6000):50. doi: 10.1126/science.1192243.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of South Florida College of Marine Science, St. Petersburg, FL 33701, USA. mcdaniel@marine.usf.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20929803" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological ; DNA Transposable Elements ; Drug Resistance, Bacterial/genetics ; *Ecosystem ; Flavobacterium/drug effects/genetics ; Flexibacter/drug effects/genetics ; *Gene Transfer, Horizontal ; Kanamycin Resistance/genetics ; Oceans and Seas ; Prophages/genetics ; Rhodobacteraceae/drug effects/*genetics/virology ; Seawater/*microbiology ; Streptomycin/metabolism/pharmacology
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 71
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-06-19
    Description: Climate change, rising atmospheric carbon dioxide, excess nutrient inputs, and pollution in its many forms are fundamentally altering the chemistry of the ocean, often on a global scale and, in some cases, at rates greatly exceeding those in the historical and recent geological record. Major observed trends include a shift in the acid-base chemistry of seawater, reduced subsurface oxygen both in near-shore coastal water and in the open ocean, rising coastal nitrogen levels, and widespread increase in mercury and persistent organic pollutants. Most of these perturbations, tied either directly or indirectly to human fossil fuel combustion, fertilizer use, and industrial activity, are projected to grow in coming decades, resulting in increasing negative impacts on ocean biota and marine resources.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Doney, Scott C -- New York, N.Y. -- Science. 2010 Jun 18;328(5985):1512-6. doi: 10.1126/science.1185198.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Marine Chemistry and Geochemistry Department, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA. sdoney@whoi.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20558706" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Atmosphere ; Carbon Dioxide/analysis ; Climate Change ; *Ecosystem ; Fossil Fuels ; *Human Activities ; Humans ; Hydrogen-Ion Concentration ; Industrial Waste/analysis ; Mercury/analysis ; Nitrogen/analysis ; Oceans and Seas ; Oxygen/analysis ; Photosynthesis ; *Seawater/chemistry/microbiology ; Water Pollutants/analysis
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 72
    Publication Date: 2010-10-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Poiner, Ian -- New York, N.Y. -- Science. 2010 Oct 1;330(6000):25. doi: 10.1126/science.330.6000.25.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20929784" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; Biomass ; *Ecosystem ; Marine Biology ; Oceans and Seas
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 73
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-04-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2010 Apr 23;328(5977):418-20. doi: 10.1126/science.328.5977.418.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20413469" target="_blank"〉PubMed〈/a〉
    Keywords: Access to Information ; Animals ; Biodiversity ; Climatic Processes ; Data Collection ; *Ecology/economics/instrumentation/methods/organization & administration ; *Ecosystem ; *Environment ; *Environmental Monitoring/instrumentation/methods ; Financing, Government ; National Academy of Sciences (U.S.) ; United States ; United States Government Agencies/economics
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 74
    Publication Date: 2010-11-13
    Description: Nitrogen cycling is normally thought to dominate the biogeochemistry and microbial ecology of oxygen-minimum zones in marine environments. Through a combination of molecular techniques and process rate measurements, we showed that both sulfate reduction and sulfide oxidation contribute to energy flux and elemental cycling in oxygen-free waters off the coast of northern Chile. These processes may have been overlooked because in nature, the sulfide produced by sulfate reduction immediately oxidizes back to sulfate. This cryptic sulfur cycle is linked to anammox and other nitrogen cycling processes, suggesting that it may influence biogeochemical cycling in the global ocean.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Canfield, Don E -- Stewart, Frank J -- Thamdrup, Bo -- De Brabandere, Loreto -- Dalsgaard, Tage -- Delong, Edward F -- Revsbech, Niels Peter -- Ulloa, Osvaldo -- New York, N.Y. -- Science. 2010 Dec 3;330(6009):1375-8. doi: 10.1126/science.1196889. Epub 2010 Nov 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Biology and Nordic Center for Earth Evolution, University of Southern Denmark, Campusvej 55, 5230 Odense M, Denmark. dec@biology.sdu.dk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21071631" target="_blank"〉PubMed〈/a〉
    Keywords: Anaerobiosis ; Bacteria/classification/genetics/*metabolism ; Chile ; Deltaproteobacteria/classification/genetics/metabolism ; Denitrification ; *Ecosystem ; Gammaproteobacteria/classification/genetics/metabolism ; Genes, Bacterial ; Metagenome ; Nitrates/metabolism ; Nitrites/metabolism ; Nitrogen Cycle ; Oxidation-Reduction ; Oxygen/*analysis ; Pacific Ocean ; Quaternary Ammonium Compounds/metabolism ; Seawater/chemistry/*microbiology ; Sequence Analysis, DNA ; Sulfates/metabolism ; Sulfides/metabolism ; Sulfur/*metabolism
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  • 75
    Publication Date: 2010-07-22
    Description: Sea surface temperature (SST) across much of the tropics has increased by 0.4 degrees to 1 degrees C since the mid-1970s. A parallel increase in the frequency and extent of coral bleaching and mortality has fueled concern that climate change poses a major threat to the survival of coral reef ecosystems worldwide. Here we show that steadily rising SSTs, not ocean acidification, are already driving dramatic changes in the growth of an important reef-building coral in the central Red Sea. Three-dimensional computed tomography analyses of the massive coral Diploastrea heliopora reveal that skeletal growth of apparently healthy colonies has declined by 30% since 1998. The same corals responded to a short-lived warm event in 1941/1942, but recovered within 3 years as the ocean cooled. Combining our data with climate model simulations by the Intergovernmental Panel on Climate Change, we predict that should the current warming trend continue, this coral could cease growing altogether by 2070.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cantin, Neal E -- Cohen, Anne L -- Karnauskas, Kristopher B -- Tarrant, Ann M -- McCorkle, Daniel C -- New York, N.Y. -- Science. 2010 Jul 16;329(5989):322-5. doi: 10.1126/science.1190182.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20647466" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anthozoa/*growth & development ; *Climate Change ; *Ecosystem ; Eukaryota/growth & development ; Hydrogen-Ion Concentration ; Indian Ocean ; Seasons ; *Seawater ; Stress, Physiological ; Symbiosis ; *Temperature
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  • 76
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-01-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2010 Jan 29;327(5965):519. doi: 10.1126/science.327.5965.519.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20110481" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Anthozoa/classification/genetics ; Biodiversity ; *Biological Evolution ; Cnidaria/classification/genetics ; *Ecosystem ; Genes ; Genetic Speciation ; Geologic Sediments ; Phylogeny ; *Seawater
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  • 77
    Publication Date: 2010-10-28
    Description: Quantitative scenarios are coming of age as a tool for evaluating the impact of future socioeconomic development pathways on biodiversity and ecosystem services. We analyze global terrestrial, freshwater, and marine biodiversity scenarios using a range of measures including extinctions, changes in species abundance, habitat loss, and distribution shifts, as well as comparing model projections to observations. Scenarios consistently indicate that biodiversity will continue to decline over the 21st century. However, the range of projected changes is much broader than most studies suggest, partly because there are major opportunities to intervene through better policies, but also because of large uncertainties in projections.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pereira, Henrique M -- Leadley, Paul W -- Proenca, Vania -- Alkemade, Rob -- Scharlemann, Jorn P W -- Fernandez-Manjarres, Juan F -- Araujo, Miguel B -- Balvanera, Patricia -- Biggs, Reinette -- Cheung, William W L -- Chini, Louise -- Cooper, H David -- Gilman, Eric L -- Guenette, Sylvie -- Hurtt, George C -- Huntington, Henry P -- Mace, Georgina M -- Oberdorff, Thierry -- Revenga, Carmen -- Rodrigues, Patricia -- Scholes, Robert J -- Sumaila, Ussif Rashid -- Walpole, Matt -- New York, N.Y. -- Science. 2010 Dec 10;330(6010):1496-501. doi: 10.1126/science.1196624. Epub 2010 Oct 26.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centro de Biologia Ambiental, Faculdade de Ciencias da Universidade de Lisboa, 1749-016 Lisboa, Portugal. hpereira@fc.ul.pt〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20978282" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aquatic Organisms ; *Biodiversity ; Conservation of Natural Resources ; *Ecosystem ; Extinction, Biological ; Forecasting ; Models, Biological ; Plants ; Policy ; Population Dynamics
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  • 78
    Publication Date: 2010-10-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Perrings, C -- Naeem, S -- Ahrestani, F -- Bunker, D E -- Burkill, P -- Canziani, G -- Elmqvist, T -- Ferrati, R -- Fuhrman, J -- Jaksic, F -- Kawabata, Z -- Kinzig, A -- Mace, G M -- Milano, F -- Mooney, H -- Prieur-Richard, A-H -- Tschirhart, J -- Weisser, W -- New York, N.Y. -- Science. 2010 Oct 15;330(6002):323-4. doi: 10.1126/science.1196431.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Arizona State University, Tempe, AZ 85287, USA. Charles.Perrings@asu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20947748" target="_blank"〉PubMed〈/a〉
    Keywords: *Biodiversity ; *Conservation of Natural Resources/trends ; *Ecosystem ; Environment ; Forecasting ; International Cooperation
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 79
    Publication Date: 2010-02-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wilson, Edward O -- New York, N.Y. -- Science. 2010 Feb 12;327(5967):775. doi: 10.1126/science.327.5967.775.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20150461" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Ants ; Biology ; *Ecosystem ; *Literature, Modern
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  • 80
    Publication Date: 2010-03-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wasser, Samuel -- Poole, Joyce -- Lee, Phyllis -- Lindsay, Keith -- Dobson, Andrew -- Hart, John -- Douglas-Hamilton, Iain -- Wittemyer, George -- Granli, Petter -- Morgan, Bethan -- Gunn, Jody -- Alberts, Susan -- Beyers, Rene -- Chiyo, Patrick -- Croze, Harvey -- Estes, Richard -- Gobush, Kathleen -- Joram, Ponjoli -- Kikoti, Alfred -- Kingdon, Jonathan -- King, Lucy -- Macdonald, David -- Moss, Cynthia -- Mutayoba, Benezeth -- Njumbi, Steve -- Omondi, Patrick -- Nowak, Katarzyna -- New York, N.Y. -- Science. 2010 Mar 12;327(5971):1331-2. doi: 10.1126/science.1187811.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Washington, Seattle, WA 98195, USA. wassers@u.washington.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20223971" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Commerce/legislation & jurisprudence ; *Conservation of Natural Resources ; Crime ; *Ecosystem ; *Elephants ; *Endangered Species ; International Cooperation ; Population Dynamics ; Tanzania ; Trees ; Zambia
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  • 81
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-07-31
    Description: Barton et al. (Reports, 19 March 2010, p. 1509) argued that stable conditions enable neutral coexistence of many phytoplankton species in the tropical oceans, whereas seasonal variation causes low biodiversity in subpolar oceans. However, their model prediction is not robust. A minor deviation from the neutrality assumption favors coexistence in fluctuating rather than stable environments.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huisman, Jef -- New York, N.Y. -- Science. 2010 Jul 30;329(5991):512; author reply 512. doi: 10.1126/science.1189880.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Aquatic Microbiology, Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Post Office Box 94248, 1090 GE Amsterdam, Netherlands. j.huisman@uva.nl〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20671171" target="_blank"〉PubMed〈/a〉
    Keywords: *Biodiversity ; *Ecosystem ; Environment ; Geography ; Models, Biological ; Oceans and Seas ; *Phytoplankton/growth & development/physiology ; Population Dynamics ; Seasons ; *Seawater
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  • 82
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-03-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2010 Mar 26;327(5973):1574-5. doi: 10.1126/science.327.5973.1574.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20339047" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; California ; *Conservation of Natural Resources/economics/legislation & jurisprudence ; *Ecosystem ; Fisheries ; *Fishes ; Guidelines as Topic ; Models, Biological ; Models, Economic ; Pacific Ocean ; Politics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 83
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-07-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Puyravaud, Jean-Philippe -- Davidar, Priya -- Laurance, William F -- New York, N.Y. -- Science. 2010 Jul 2;329(5987):32. doi: 10.1126/science.329.5987.32-b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20595597" target="_blank"〉PubMed〈/a〉
    Keywords: *Conservation of Natural Resources ; *Ecosystem ; India ; *Trees
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  • 84
    Publication Date: 2010-10-12
    Description: Marx and Uhen (Reports, 19 February 2010, p. 993) suggested that correlated diversity changes in the fossil record of whales and diatoms reflects secular evolutionary signals of underlying ecological drivers. We question the meaning of this association and outline avenues for more complete testing of correlations between productivity and marine consumers through geologic time.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pyenson, Nicholas D -- Irmis, Randall B -- Lipps, Jere H -- New York, N.Y. -- Science. 2010 Oct 8;330(6001):178; author reply 178. doi: 10.1126/science.1189866.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Zoology, 6270 University Boulevard, University of British Columbia, Vancouver, BC V6T 1Z4, Canada. pyensonn@si.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20929760" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; *Biological Evolution ; Climate ; *Diatoms ; *Ecosystem ; Food Chain ; *Fossils ; Geologic Sediments ; Oceans and Seas ; *Whales
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 85
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-03-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wright, Bruce -- New York, N.Y. -- Science. 2010 Mar 19;327(5972):1452. doi: 10.1126/science.327.5972.1452-a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20299575" target="_blank"〉PubMed〈/a〉
    Keywords: Alaska ; Animals ; *Ecosystem ; *Fisheries ; Mining ; *Salmon
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 86
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-06-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Charles, Daniel -- New York, N.Y. -- Science. 2010 Jun 4;328(5983):1225. doi: 10.1126/science.328.5983.1225.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20522753" target="_blank"〉PubMed〈/a〉
    Keywords: *Agriculture/economics ; Animal Husbandry ; Animals ; *Ecosystem ; *Poaceae ; Ukraine
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 87
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-01-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, Greg -- New York, N.Y. -- Science. 2010 Jan 29;327(5965):512-3. doi: 10.1126/science.327.5965.512.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20110475" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; California ; Conservation of Natural Resources ; *Ecosystem ; *Endangered Species ; *Fisheries ; *Oncorhynchus kisutch/physiology ; Population Dynamics ; Reproduction
    Print ISSN: 0036-8075
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  • 88
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-10-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2010 Sep 24;329(5999):1596-7. doi: 10.1126/science.329.5999.1596.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20929825" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antarctic Regions ; *Bass ; Certification ; *Conservation of Natural Resources ; *Ecosystem ; Fisheries/*standards ; *Organizations, Nonprofit
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 89
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-07-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2010 Jul 23;329(5990):378. doi: 10.1126/science.329.5990.378.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20651127" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; China ; *Conservation of Natural Resources ; *Ecosystem ; *Endangered Species ; Extinction, Biological ; Female ; Fisheries ; *Fishes ; Human Activities ; Humans ; Male ; Population Dynamics ; *Porpoises ; *Rivers
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 90
    Publication Date: 2010-03-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Xin, Hao -- Stone, Richard -- New York, N.Y. -- Science. 2010 Mar 19;327(5972):1440-1. doi: 10.1126/science.327.5972.1440-a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20299561" target="_blank"〉PubMed〈/a〉
    Keywords: *Budgets ; China ; Conservation of Natural Resources/*economics ; *Ecosystem ; Energy-Generating Resources ; Environmental Pollution/*prevention & control ; Financing, Government
    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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  • 91
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-06-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2010 Jun 18;328(5985):1476-7. doi: 10.1126/science.328.5985.1476.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20558685" target="_blank"〉PubMed〈/a〉
    Keywords: Bacteria/*metabolism ; Carbon/analysis/*metabolism ; Carbon Dioxide/*metabolism ; Ecological and Environmental Processes ; *Ecosystem ; Organic Chemicals/analysis/*metabolism ; Organic Chemistry Processes ; Phytoplankton/growth & development/metabolism ; Seawater/*chemistry/*microbiology
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 92
    Publication Date: 2010-01-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jansen, Patrick A -- Muller-Landau, Helene C -- Wright, S Joseph -- New York, N.Y. -- Science. 2010 Jan 1;327(5961):30. doi: 10.1126/science.327.5961.30-a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20044556" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; *Carbon ; *Climatic Processes ; *Ecosystem ; *Meat ; *Trees ; Tropical Climate ; *Vertebrates
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  • 93
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-02-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lehmann, Caroline E R -- New York, N.Y. -- Science. 2010 Feb 5;327(5966):642-3. doi: 10.1126/science.327.5966.642-c.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20133552" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; *Conservation of Natural Resources ; *Ecosystem
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 94
    Publication Date: 2010-12-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Derocher, Andrew E -- England -- Nature. 2010 Dec 16;468(7326):905-6. doi: 10.1038/468905a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21164475" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arctic Regions ; *Ecosystem ; Endangered Species/*statistics & numerical data/*trends ; Global Warming/prevention & control/statistics & numerical data ; Greenhouse Effect/*prevention & control/statistics & numerical data ; *Ice Cover ; Models, Theoretical ; Population Dynamics ; Seasons ; Temperature ; Ursidae/*physiology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 95
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    Nature Publishing Group (NPG)
    Publication Date: 2010-10-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, Michel J -- Hill, Louize -- England -- Nature. 2010 Sep 30;467(7315):531. doi: 10.1038/467531a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20881997" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Conservation of Natural Resources/*trends ; *Ecosystem ; Europe ; Fisheries/*standards ; *Marine Biology ; Pectinidae
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  • 96
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    Nature Publishing Group (NPG)
    Publication Date: 2010-10-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gilbert, Natasha -- England -- Nature. 2010 Oct 28;467(7319):1021. doi: 10.1038/4671021a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20981066" target="_blank"〉PubMed〈/a〉
    Keywords: *Altitude ; Aquatic Organisms/physiology ; *Coal ; Ecology ; *Ecosystem ; Electric Conductivity ; Mining/*legislation & jurisprudence ; Trees/physiology ; United States ; United States Environmental Protection Agency/*legislation & jurisprudence ; Water Pollution/*prevention & control ; West Virginia
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  • 97
    Publication Date: 2010-10-22
    Description: To persist, species are expected to shift their geographical ranges polewards or to higher elevations as the Earth's climate warms. However, although many species' ranges have shifted in historical times, many others have not, or have shifted only at the high-latitude or high-elevation limits, leading to range expansions rather than contractions. Given these idiosyncratic responses to climate warming, and their varied implications for species' vulnerability to climate change, a critical task is to understand why some species have not shifted their ranges, particularly at the equatorial or low-elevation limits, and whether such resilience will last as warming continues. Here we show that compensatory changes in demographic rates are buffering southern populations of two North American tundra plants against the negative effects of a warming climate, slowing their northward range shifts, but that this buffering is unlikely to continue indefinitely. Southern populations of both species showed lower survival and recruitment but higher growth of individual plants, possibly owing to longer, warmer growing seasons. Because of these and other compensatory changes, the population growth rates of southern populations are not at present lower than those of northern ones. However, continued warming may yet prove detrimental, as most demographic rates that improved in moderately warmer years declined in the warmest years, with the potential to drive future population declines. Our results emphasize the need for long-term, range-wide measurement of all population processes to detect demographic compensation and to identify nonlinear responses that may lead to sudden range shifts as climatic tipping points are exceeded.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Doak, Daniel F -- Morris, William F -- England -- Nature. 2010 Oct 21;467(7318):959-62. doi: 10.1038/nature09439.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Zoology and Physiology, University of Wyoming, Laramie, Wyoming 82071, USA. ddoak@uwyo.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20962844" target="_blank"〉PubMed〈/a〉
    Keywords: Alaska ; Alberta ; *Climate ; Cold Climate ; Colorado ; *Ecosystem ; *Geography ; Global Warming/*statistics & numerical data ; Polygonum/*growth & development ; Population Growth ; Seasons ; Silene/*growth & development ; Snow ; Stochastic Processes ; Temperature
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  • 98
    Publication Date: 2010-04-09
    Description: Atmospheric concentrations of the greenhouse gas nitrous oxide (N(2)O) have increased significantly since pre-industrial times owing to anthropogenic perturbation of the global nitrogen cycle, with animal production being one of the main contributors. Grasslands cover about 20 per cent of the temperate land surface of the Earth and are widely used as pasture. It has been suggested that high animal stocking rates and the resulting elevated nitrogen input increase N(2)O emissions. Internationally agreed methods to upscale the effect of increased livestock numbers on N(2)O emissions are based directly on per capita nitrogen inputs. However, measurements of grassland N(2)O fluxes are often performed over short time periods, with low time resolution and mostly during the growing season. In consequence, our understanding of the daily and seasonal dynamics of grassland N(2)O fluxes remains limited. Here we report year-round N(2)O flux measurements with high and low temporal resolution at ten steppe grassland sites in Inner Mongolia, China. We show that short-lived pulses of N(2)O emission during spring thaw dominate the annual N(2)O budget at our study sites. The N(2)O emission pulses are highest in ungrazed steppe and decrease with increasing stocking rate, suggesting that grazing decreases rather than increases N(2)O emissions. Our results show that the stimulatory effect of higher stocking rates on nitrogen cycling and, hence, on N(2)O emission is more than offset by the effects of a parallel reduction in microbial biomass, inorganic nitrogen production and wintertime water retention. By neglecting these freeze-thaw interactions, existing approaches may have systematically overestimated N(2)O emissions over the last century for semi-arid, cool temperate grasslands by up to 72 per cent.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wolf, Benjamin -- Zheng, Xunhua -- Bruggemann, Nicolas -- Chen, Weiwei -- Dannenmann, Michael -- Han, Xingguo -- Sutton, Mark A -- Wu, Honghui -- Yao, Zhisheng -- Butterbach-Bahl, Klaus -- England -- Nature. 2010 Apr 8;464(7290):881-4. doi: 10.1038/nature08931.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Meteorology and Climate Research, Karlsruhe Institute of Technology, Kreuzeckbahnstrasse 19, 82467 Garmisch-Partenkirchen, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20376147" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Husbandry/methods/statistics & numerical data ; Animals ; Animals, Domestic/*metabolism ; Atmosphere/chemistry ; Biomass ; China ; Desert Climate ; *Ecosystem ; Freezing ; Greenhouse Effect ; Nitrogen/metabolism ; Nitrous Oxide/*analysis/*metabolism ; Plants/metabolism ; Poaceae/metabolism ; Seasons ; Snow ; Soil/analysis ; *Soil Microbiology ; Water/analysis/metabolism
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 99
    Publication Date: 2010-09-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dobson, Andrew P -- Borner, Markus -- Sinclair, Anthony R E -- Hudson, Peter J -- Anderson, T Michael -- Bigurube, Gerald -- Davenport, Tim B B -- Deutsch, James -- Durant, Sarah M -- Estes, Richard D -- Estes, Anna B -- Fryxell, John -- Foley, Charles -- Gadd, Michelle E -- Haydon, Dan -- Holdo, Ricardo -- Holt, Robert D -- Hopcraft, J Grant C -- Hilborn, Ray -- Jambiya, George L K -- Laurenson, M Karen -- Melamari, Lota -- Morindat, Alais Ole -- Ogutu, Joseph O -- Schaller, George -- Wolanski, Eric -- England -- Nature. 2010 Sep 16;467(7313):272-3. doi: 10.1038/467272a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology at Princeton University, New Jersey 08544, USA. dobson@Princeton.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20844519" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Migration ; Animals ; Biodiversity ; Conservation of Natural Resources/*methods ; *Ecosystem ; Environmental Pollution/prevention & control ; *Federal Government ; Food Chain ; Models, Economic ; Politics ; Risk Assessment ; Ruminants/physiology ; Tanzania ; Transportation/*instrumentation ; *Urbanization
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 100
    Publication Date: 2010-12-07
    Description: The relationship between biodiversity and ecosystem functioning (BEF) has become a cornerstone of community and ecosystem ecology and an essential criterion for making decisions in conservation biology and policy planning. It has recently been proposed that evolutionary history should influence the BEF relationship because it determines species traits and, thus, species' ability to exploit resources. Here we test this hypothesis by combining experimental evolution with a BEF experiment. We isolated 20 bacterial strains from a marine environment and evolved each to be generalists or specialists. We then tested the effect of evolutionary history on the strength of the BEF relationship with assemblages of 1 to 20 species constructed from the specialists, generalists and ancestors. Assemblages of generalists were more productive on average because of their superior ability to exploit the environmental heterogeneity. The slope of the BEF relationship was, however, stronger for the specialist assemblages because of enhanced niche complementarity. These results show how the BEF relationship depends critically on the legacy of past evolutionary events.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gravel, Dominique -- Bell, Thomas -- Barbera, Claire -- Bouvier, Thierry -- Pommier, Thomas -- Venail, Patrick -- Mouquet, Nicolas -- England -- Nature. 2011 Jan 6;469(7328):89-92. doi: 10.1038/nature09592.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Universite du Quebec a Rimouski, Departement de Biologie, Chimie et Geographie, 300 Allee des Ursulines, Quebec G5L 3A1, Canada. dominique_gravel@uqar.qc.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21131946" target="_blank"〉PubMed〈/a〉
    Keywords: Aquatic Organisms/classification/isolation & purification/physiology ; Bacteria/classification/genetics/isolation & purification/metabolism ; *Bacterial Physiological Phenomena ; *Biodiversity ; *Biological Evolution ; Conservation of Natural Resources ; *Ecosystem ; Models, Biological ; Molecular Typing ; RNA, Ribosomal, 16S/genetics ; Spain ; Species Specificity
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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