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  • Population Dynamics  (117)
  • American Association for the Advancement of Science (AAAS)  (117)
  • American Society of Hematology
  • EMBO Press
  • Essen : Verl. Glückauf
  • Krefeld : Geologischer Dienst Nordhein-Westfalen
  • 2005-2009  (117)
  • 2007  (56)
  • 2006  (61)
Collection
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (117)
  • American Society of Hematology
  • EMBO Press
  • Essen : Verl. Glückauf
  • Krefeld : Geologischer Dienst Nordhein-Westfalen
Years
  • 2005-2009  (117)
Year
  • 1
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    The evolutionary demography of ecological change: linking trait variation and population growth (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-03-17
    Description: Population dynamics and evolutionary change are linked by the fundamental biological processes of birth and death. This means that population growth may correlate with the strength of selection, whereas evolutionary change can leave an ecological signature. We decompose population growth in an age-structured population into contributions from variation in a quantitative trait. We report that the distribution of body sizes within a population of Soay sheep can markedly influence population dynamics, accounting for up to one-fifth of observed population growth. Our results suggest that there is substantial opportunity for evolutionary dynamics to leave an ecological signature and visa versa.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pelletier, Fanie -- Clutton-Brock, Tim -- Pemberton, Josephine -- Tuljapurkar, Shripad -- Coulson, Tim -- P01 AG 22500/AG/NIA NIH HHS/ -- P01 AG022500/AG/NIA NIH HHS/ -- P01 AG022500-04/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 2007 Mar 16;315(5818):1571-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biology and the Natural Environment Research Council (NERC) Centre for Population Biology, Imperial College London, Silwood Park, Ascot, Berkshire, SL5 7PY, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17363672" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Birth Weight ; Body Size/genetics ; Body Weight/genetics ; Ecology ; Environment ; Female ; *Genetic Variation ; Hindlimb/anatomy & histology ; Male ; Mathematics ; Population Dynamics ; Population Growth ; *Quantitative Trait, Heritable ; Scotland ; *Selection, Genetic ; *Sheep/anatomy & histology/genetics/growth & development ; Weather
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Ecology. Tackling ecological complexity in climate impact research (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-02-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Walther, Gian-Reto -- New York, N.Y. -- Science. 2007 Feb 2;315(5812):606-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Plant Ecology, University of Bayreuth, 95440 Bayreuth, Germany. gian-reto.walther@uni-bayreuth.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17272708" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; California ; *Climate ; *Ecosystem ; *Invertebrates/physiology ; *Plant Development ; Poaceae/growth & development ; Population Dynamics ; Rain ; Research Design ; Seasons ; Time Factors
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    Redefining the age of Clovis: implications for the peopling of the Americas (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-02-27
    Description: The Clovis complex is considered to be the oldest unequivocal evidence of humans in the Americas, dating between 11,500 and 10,900 radiocarbon years before the present (14C yr B.P.). Adjusted 14C dates and a reevaluation of the existing Clovis date record revise the Clovis time range to 11,050 to 10,800 14C yr B.P. In as few as 200 calendar years, Clovis technology originated and spread throughout North America. The revised age range for Clovis overlaps non-Clovis sites in North and South America. This and other evidence imply that humans already lived in the Americas before Clovis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Waters, Michael R -- Stafford, Thomas W Jr -- New York, N.Y. -- Science. 2007 Feb 23;315(5815):1122-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Departments of Anthropology and Geography, Center for the Study of the First Americans, Texas A&M University, 4352 TAMU, College Station, TX 77843-4352, USA. mwaters@tamu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17322060" target="_blank"〉PubMed〈/a〉
    Keywords: *Archaeology ; *Culture ; Emigration and Immigration ; History, Ancient ; Humans ; North America ; Population Dynamics ; South America ; Time
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    Stability and diversity of ecosystems (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-07-07
    Description: Understanding the relationship between diversity and stability requires a knowledge of how species interact with each other and how each is affected by the environment. The relationship is also complex, because the concept of stability is multifaceted; different types of stability describing different properties of ecosystems lead to multiple diversity-stability relationships. A growing number of empirical studies demonstrate positive diversity-stability relationships. These studies, however, have emphasized only a few types of stability, and they rarely uncover the mechanisms responsible for stability. Because anthropogenic changes often affect stability and diversity simultaneously, diversity-stability relationships cannot be understood outside the context of the environmental drivers affecting both. This shifts attention away from diversity-stability relationships toward the multiple factors, including diversity, that dictate the stability of ecosystems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ives, Anthony R -- Carpenter, Stephen R -- New York, N.Y. -- Science. 2007 Jul 6;317(5834):58-62.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Zoology, University of Wisconsin, Madison, WI 53706, USA. arives@wisc.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17615333" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; *Ecosystem ; Environment ; Extinction, Biological ; Models, Biological ; Population Dynamics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    Rise and fall of species occupancy in Cenozoic fossil mollusks (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-11-17
    Description: In the time between speciation and extinction, a species' ecological and biogeographic footprint-its occupancy-will vary in response to macroecological drivers and historical contingencies. Despite their importance for understanding macroecological processes, general patterns of long-term species occupancy remain largely unknown. We documented the occupancy histories of Cenozoic marine mollusks from New Zealand. For both genera and species, these show a distinct pattern of increase to relatively short-lived peak occupancy at mid-duration, followed by a decline toward extinction. Thus, species at greatest risk for extinction are those that have already been in decline for a substantial period of time. This pattern of protracted rise and fall stands in contrast to that of incumbency, insofar as species show no general tendency to stay near maximal occupancy once established.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Foote, Michael -- Crampton, James S -- Beu, Alan G -- Marshall, Bruce A -- Cooper, Roger A -- Maxwell, Phillip A -- Matcham, Iain -- New York, N.Y. -- Science. 2007 Nov 16;318(5853):1131-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of the Geophysical Sciences, University of Chicago, 5734 South Ellis Avenue, Chicago, IL 60637 USA. mfoote@uchicago.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18006744" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; *Biological Evolution ; *Extinction, Biological ; *Fossils ; *Mollusca ; Population Dynamics ; Seawater ; Time
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    Habitat split and the global decline of amphibians (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-12-15
    Description: The worldwide decline in amphibians has been attributed to several causes, especially habitat loss and disease. We identified a further factor, namely "habitat split"-defined as human-induced disconnection between habitats used by different life history stages of a species-which forces forest-associated amphibians with aquatic larvae to make risky breeding migrations between suitable aquatic and terrestrial habitats. In the Brazilian Atlantic Forest, we found that habitat split negatively affects the richness of species with aquatic larvae but not the richness of species with terrestrial development (the latter can complete their life cycle inside forest remnants). This mechanism helps to explain why species with aquatic larvae have the highest incidence of population decline. These findings reinforce the need for the conservation and restoration of riparian vegetation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Becker, Carlos Guilherme -- Fonseca, Carlos Roberto -- Haddad, Celio Fernando Baptista -- Batista, Romulo Fernandes -- Prado, Paulo Inacio -- New York, N.Y. -- Science. 2007 Dec 14;318(5857):1775-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Departamento de Zoologia, Universidade Estadual de Campinas, 13083-970 Campinas SP, Brazil.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18079402" target="_blank"〉PubMed〈/a〉
    Keywords: *Amphibians/growth & development/physiology ; Animal Migration ; Animals ; *Biodiversity ; Brazil ; Conservation of Natural Resources ; *Ecosystem ; Larva/physiology ; Population Dynamics ; Trees ; Water
    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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  • 7
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    Comment on "Impacts of biodiversity loss on ocean ecosystem services" (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-06-02
    Description: Worm et al. (Research Articles, 3 November 2006, p. 787) reported an increasing proportion of fisheries in a "collapsed" state. We show that this may be an artifact of their definition of collapse as a fixed percentage of the maximum and that an increase in the number of managed fisheries could produce similar patterns as an increase in fisheries with catches below 10% of the maximum.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wilberg, Michael J -- Miller, Thomas J -- New York, N.Y. -- Science. 2007 Jun 1;316(5829):1285; author reply 1285.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Chesapeake Biological Laboratory, University of Maryland Center for Environmental Science, P.O. Box 38, Solomons, MD 20688, USA. wilberg@cbl.umces.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17540885" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; Conservation of Natural Resources ; *Ecosystem ; *Fisheries ; *Fishes ; Forecasting ; Population Dynamics
    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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  • 8
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    Thriving Arctic bottom dwellers could get strangled by warming (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-03-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Krajick, Kevin -- New York, N.Y. -- Science. 2007 Mar 16;315(5818):1527.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17363662" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arctic Regions ; Biodiversity ; *Cold Climate ; *Ecosystem ; Food Chain ; Ice Cover ; Invertebrates ; Plankton/growth & development ; Population Dynamics ; *Seawater ; Temperature
    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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  • 9
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    Ecology: managing evolving fish stocks (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-11-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jorgensen, Christian -- Enberg, Katja -- Dunlop, Erin S -- Arlinghaus, Robert -- Boukal, David S -- Brander, Keith -- Ernande, Bruno -- Gardmark, Anna -- Johnston, Fiona -- Matsumura, Shuichi -- Pardoe, Heidi -- Raab, Kristina -- Silva, Alexandra -- Vainikka, Anssi -- Dieckmann, Ulf -- Heino, Mikko -- Rijnsdorp, Adriaan D -- New York, N.Y. -- Science. 2007 Nov 23;318(5854):1247-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of Bergen, N-5020 Bergen. christian.jorgensen@bio.uib.no〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18033868" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; *Ecosystem ; *Fisheries/methods ; *Fishes/physiology ; Population Dynamics
    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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  • 10
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    Climate change affects marine fishes through the oxygen limitation of thermal tolerance (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-01-06
    Description: A cause-and-effect understanding of climate influences on ecosystems requires evaluation of thermal limits of member species and of their ability to cope with changing temperatures. Laboratory data available for marine fish and invertebrates from various climatic regions led to the hypothesis that, as a unifying principle, a mismatch between the demand for oxygen and the capacity of oxygen supply to tissues is the first mechanism to restrict whole-animal tolerance to thermal extremes. We show in the eelpout, Zoarces viviparus, a bioindicator fish species for environmental monitoring from North and Baltic Seas (Helcom), that thermally limited oxygen delivery closely matches environmental temperatures beyond which growth performance and abundance decrease. Decrements in aerobic performance in warming seas will thus be the first process to cause extinction or relocation to cooler waters.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Portner, Hans O -- Knust, Rainer -- New York, N.Y. -- Science. 2007 Jan 5;315(5808):95-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Alfred Wegener Institute for Polar and Marine Research, Animal Ecophysiology, Postfach 12 01 61, 27515 Bremerhaven, Germany. hpoertner@awi-bremerhaven.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17204649" target="_blank"〉PubMed〈/a〉
    Keywords: Acclimatization ; Aerobiosis ; Animals ; Blood Circulation ; Body Size ; *Climate ; *Ecosystem ; North Sea ; Oxygen/analysis/blood/*metabolism ; Oxygen Consumption ; Perciformes/growth & development/*physiology ; Population Dynamics ; Population Growth ; Seasons ; Seawater/chemistry ; Temperature
    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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  • 11
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    Biomedical research. The endangered lab chimp (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-01-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, Jon -- New York, N.Y. -- Science. 2007 Jan 26;315(5811):450-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17255486" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Experimentation/ethics ; Animal Welfare ; Animals ; *Animals, Laboratory ; Breeding ; Female ; Genome ; Housing, Animal ; Male ; *Models, Animal ; National Institutes of Health (U.S.) ; *Pan troglodytes/genetics ; Population Dynamics ; United States
    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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  • 12
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    Entomology. The case of the empty hives (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-05-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2007 May 18;316(5827):970-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17510336" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture ; Animal Nutritional Physiological Phenomena ; Animals ; Bacteria/isolation & purification ; *Bees/microbiology/parasitology/physiology ; Climate ; Diet ; Fungi/isolation & purification ; Mites ; Pesticides ; Population Dynamics ; United States ; United States Department of Agriculture ; Viruses/isolation & purification
    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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  • 13
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    Wildlife population increases in Serengeti National Park (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-03-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Young, Julie K -- Gerber, Leah R -- D'Agrosa, Caterina -- New York, N.Y. -- Science. 2007 Mar 30;315(5820):1790-1; author reply 1790-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17395811" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Animals, Wild ; *Buffaloes ; *Conservation of Natural Resources ; Disasters ; *Elephants ; *Law Enforcement ; Population Dynamics ; Population Growth ; Tanzania
    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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  • 14
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    Ecology. Invasion of the whiteflies (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-12-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reitz, Stuart R -- New York, N.Y. -- Science. 2007 Dec 14;318(5857):1733-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Agricultural Research Service, U.S. Department of Agriculture, Tallahassee, FL 32308, USA. stuart.reitz@ars.usda.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18079389" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Australia ; China ; *Ecosystem ; Female ; Hemiptera/classification/genetics/*physiology ; Male ; Population Dynamics ; Reproduction ; *Sexual Behavior, Animal
    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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  • 15
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    International conservation policy delivers benefits for birds in Europe (2007)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2007-08-11
    Description: Conservation of the planet's biodiversity will depend on international policy intervention, yet evidence-based assessment of the success of such intervention is lacking. Poor understanding of the effectiveness of international policy instruments exposes them to criticism or abandonment and reduces opportunities to improve them. Comparative analyses of population trends provide strong evidence for a positive impact of one such instrument, the European Union's Birds Directive, and we identify positive associations between the rate of provision of certain conservation measures through the directive and the response of bird populations. The results suggest that supranational conservation policy can bring measurable conservation benefits, although future assessments will require the setting of quantitative objectives and an increase in the availability of data from monitoring schemes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Donald, Paul F -- Sanderson, Fiona J -- Burfield, Ian J -- Bierman, Stijn M -- Gregory, Richard D -- Waliczky, Zoltan -- New York, N.Y. -- Science. 2007 Aug 10;317(5839):810-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Royal Society for the Protection of Birds, The Lodge, Sandy, Bedfordshire SG19 2DL, UK. paul.donald@rspb.org.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17690296" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Animals, Wild ; *Biodiversity ; *Birds ; *Conservation of Natural Resources/legislation & jurisprudence ; Ecosystem ; Europe ; European Union ; *International Cooperation ; Population Dynamics ; Public Policy
    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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  • 16
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    A meta-analysis of effects of Bt cotton and maize on nontarget invertebrates (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-06-09
    Description: Although scores of experiments have examined the ecological consequences of transgenic Bacillus thuringiensis (Bt) crops, debates continue regarding the nontarget impacts of this technology. Quantitative reviews of existing studies are crucial for better gauging risks and improving future risk assessments. To encourage evidence-based risk analyses, we constructed a searchable database for nontarget effects of Bt crops. A meta-analysis of 42 field experiments indicates that nontarget invertebrates are generally more abundant in Bt cotton and Bt maize fields than in nontransgenic fields managed with insecticides. However, in comparison with insecticide-free control fields, certain nontarget taxa are less abundant in Bt fields.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marvier, Michelle -- McCreedy, Chanel -- Regetz, James -- Kareiva, Peter -- New York, N.Y. -- Science. 2007 Jun 8;316(5830):1475-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Environmental Studies Institute, Santa Clara University, Santa Clara, CA 95053, USA. mmarvier@scu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17556584" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Arthropods ; Bacillus thuringiensis/genetics ; Bacterial Proteins/*genetics ; Bacterial Toxins/*genetics ; Crops, Agricultural/*genetics/growth & development ; Databases, Factual ; Endotoxins/*genetics ; Gossypium/*genetics/growth & development ; Hemolysin Proteins/*genetics ; Insecticides ; Insects ; Pest Control, Biological ; *Plants, Genetically Modified/growth & development ; Population Dynamics ; Zea mays/*genetics
    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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  • 17
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    Reefs in trouble. Life on the mean reefs (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-12-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pala, Christopher -- New York, N.Y. -- Science. 2007 Dec 14;318(5857):1719.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18079380" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Anthozoa ; *Ecosystem ; *Fishes/physiology ; *Food Chain ; Pacific Islands ; Population Dynamics ; Predatory Behavior
    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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    Ecology. Thinking long term (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-10-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cheke, Robert A -- New York, N.Y. -- Science. 2007 Oct 26;318(5850):577-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Natural Resources Institute, University of Greenwich at Medway, Chatham Maritime, Kent ME4 4TB, UK. r.a.cheke@greenwich.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17962543" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; China ; *Climate ; Disasters ; *Ecology ; Europe ; *Grasshoppers/physiology ; Greenhouse Effect ; *Larix ; *Moths/physiology ; Population Density ; Population Dynamics ; Rain ; Time Factors
    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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    Fishing for good news (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-04-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McCauley, Douglas J -- New York, N.Y. -- Science. 2007 Apr 13;316(5822):200-1; author reply 200-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17431154" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biomass ; Conservation of Natural Resources ; *Ecosystem ; Fisheries ; Pacific Ocean ; Population Dynamics ; Predatory Behavior ; *Sharks ; *Tuna
    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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    Ecology. The heartbreak of adapting to global warming (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-01-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wang, Tobias -- Overgaard, Johannes -- New York, N.Y. -- Science. 2007 Jan 5;315(5808):49-50.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Zoophysiology, Aarhus University, 8000 Aarhus, Denmark. tobias.wang@biology.au.dk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17204631" target="_blank"〉PubMed〈/a〉
    Keywords: Acclimatization ; Aerobiosis ; Animals ; Cardiac Output ; *Ecosystem ; *Greenhouse Effect ; Heart/*physiology ; Oceans and Seas ; Oxygen/analysis/blood/*metabolism ; Oxygen Consumption ; Perciformes/*physiology ; Population Density ; Population Dynamics ; Seasons ; Seawater/chemistry ; Temperature
    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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    Zoology. African penguin populations reported in a puzzling decline (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-03-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koenig, Robert -- New York, N.Y. -- Science. 2007 Mar 2;315(5816):1205.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17332382" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Climate ; Conservation of Natural Resources ; Ecosystem ; Feeding Behavior ; Fishes ; Population Density ; Population Dynamics ; South Africa ; *Spheniscidae
    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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  • 22
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    A large-scale deforestation experiment: effects of patch area and isolation on Amazon birds (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-01-16
    Description: As compared with extensive contiguous areas, small isolated habitat patches lack many species. Some species disappear after isolation; others are rarely found in any small patch, regardless of isolation. We used a 13-year data set of bird captures from a large landscape-manipulation experiment in a Brazilian Amazon forest to model the extinction-colonization dynamics of 55 species and tested basic predictions of island biogeography and metapopulation theory. From our models, we derived two metrics of species vulnerability to changes in isolation and patch area. We found a strong effect of area and a variable effect of isolation on the predicted patch occupancy by birds.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ferraz, Goncalo -- Nichols, James D -- Hines, James E -- Stouffer, Philip C -- Bierregaard, Richard O Jr -- Lovejoy, Thomas E -- New York, N.Y. -- Science. 2007 Jan 12;315(5809):238-41.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biological Dynamics of Forest Fragments Project, Instituto Nacional de Pesquisas da Amazonia, 69011 Manaus AM, Brazil. gferraz@inpa.gov.br〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17218527" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Birds ; Brazil ; *Conservation of Natural Resources ; *Ecosystem ; Extinction, Biological ; Likelihood Functions ; Models, Biological ; Models, Statistical ; Population Dynamics ; *Trees/growth & development
    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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  • 23
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    Comment on "Impacts of biodiversity loss on ocean ecosystem services" (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-06-02
    Description: Worm et al. (Research Articles, 3 November 2006, p. 787) investigated the importance of biodiversity to marine ecosystem services across temporal and spatial scales. In projecting the extent of future fisheries collapse, we argue that the authors inappropriately extrapolated beyond their available observations and used data on marine reserves and fishery closures that are not representative of global fisheries.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holker, Franz -- Beare, Doug -- Dorner, Hendrik -- di Natale, Antonio -- Ratz, Hans-Joachim -- Temming, Axel -- Casey, John -- New York, N.Y. -- Science. 2007 Jun 1;316(5829):1285; author reply 1285.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉European Commission, Directorate General Joint Research Centre, Institute for the Protection and Security of the Citizen, Agriculture and Fisheries Unit, TP 051, 21020, Italy. franz.hoelker@jrc.it〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17540886" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; Conservation of Natural Resources ; *Ecosystem ; *Fisheries ; *Fishes ; Forecasting ; Oceans and Seas ; Population Dynamics
    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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    Environmental restoration. Delta blues, California style (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-07-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Service, Robert F -- New York, N.Y. -- Science. 2007 Jul 27;317(5837):442-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17656696" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; California ; *Conservation of Natural Resources ; *Ecosystem ; Fishes ; *Fresh Water ; Population Dynamics ; *Rivers ; *Salmoniformes ; Water Supply
    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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    Conservation. Scientists say Ebola has pushed western gorillas to the brink (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-09-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vogel, Gretchen -- New York, N.Y. -- Science. 2007 Sep 14;317(5844):1484.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17872416" target="_blank"〉PubMed〈/a〉
    Keywords: Africa, Central/epidemiology ; Animals ; Ape Diseases/*epidemiology/mortality/prevention & control ; Conservation of Natural Resources ; Disease Outbreaks/prevention & control/*veterinary ; Ebola Vaccines/administration & dosage ; Extinction, Biological ; *Gorilla gorilla ; Hemorrhagic Fever, Ebola/epidemiology/mortality/prevention & control/*veterinary ; Population Dynamics
    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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  • 26
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    Declining wild salmon populations in relation to parasites from farm salmon (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-12-15
    Description: Rather than benefiting wild fish, industrial aquaculture may contribute to declines in ocean fisheries and ecosystems. Farm salmon are commonly infected with salmon lice (Lepeophtheirus salmonis), which are native ectoparasitic copepods. We show that recurrent louse infestations of wild juvenile pink salmon (Oncorhynchus gorbuscha), all associated with salmon farms, have depressed wild pink salmon populations and placed them on a trajectory toward rapid local extinction. The louse-induced mortality of pink salmon is commonly over 80% and exceeds previous fishing mortality. If outbreaks continue, then local extinction is certain, and a 99% collapse in pink salmon population abundance is expected in four salmon generations. These results suggest that salmon farms can cause parasite outbreaks that erode the capacity of a coastal ecosystem to support wild salmon populations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Krkosek, Martin -- Ford, Jennifer S -- Morton, Alexandra -- Lele, Subhash -- Myers, Ransom A -- Lewis, Mark A -- New York, N.Y. -- Science. 2007 Dec 14;318(5857):1772-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Mathematical Biology, Department of Mathematical and Statistical Sciences, University of Alberta, Edmonton, AB, Canada. mkrkosek@ualberta.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18079401" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Wild ; British Columbia/epidemiology ; *Copepoda ; Disease Outbreaks/statistics & numerical data/veterinary ; Ectoparasitic Infestations/epidemiology/mortality/*veterinary ; Extinction, Biological ; Fish Diseases/*epidemiology/mortality ; *Fisheries ; Linear Models ; Models, Statistical ; Population Dynamics ; *Salmon/parasitology
    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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    Comment on "Impacts of biodiversity loss on ocean ecosystem services" (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-06-02
    Description: Worm et al. (Research Articles, 3 November 2006, p. 787) used a power relation to predict a global collapse of fisheries by the year 2048. However, a linear regression of the data for the past 40 years yields an excellent fit, with a predicted date of collapse of 2114. Thus, long-term projections of fisheries collapse are highly dependent on the specific statistical model used.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jaenike, John -- New York, N.Y. -- Science. 2007 Jun 1;316(5829):1285; author reply 1285.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of Rochester, Rochester, NY 14627-0211, USA. joja@mail.rochester.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17540884" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; *Ecosystem ; *Fisheries ; *Fishes ; Forecasting ; Linear Models ; Models, Statistical ; Population Dynamics ; Regression Analysis
    Print ISSN: 0036-8075
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    Ecology. Managing farming's footprint on biodiversity (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-01-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Benton, Tim G -- New York, N.Y. -- Science. 2007 Jan 19;315(5810):341-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Integrative and Comparative Biology, University of Leeds, Leeds LS2 9JT, UK. t.g.benton@leeds.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17234937" target="_blank"〉PubMed〈/a〉
    Keywords: *Agriculture ; Animals ; *Biodiversity ; *Birds ; Conservation of Natural Resources ; Crops, Agricultural/genetics ; *Ecosystem ; *Environment ; Great Britain ; Models, Statistical ; Plants, Genetically Modified ; Population Density ; Population Dynamics ; Risk Assessment
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  • 29
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    Culling prey promotes predator recovery--alternative states in a whole-lake experiment (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-06-26
    Description: Many top-predator fish stocks in both freshwater and marine systems have collapsed as a result of overharvesting. Consequently, some of these communities have shifted into seemingly irreversible new states. We showed, for predators feeding on prey that exhibit food-dependent growth, that culling of fish prey may promote predator recovery. We removed old stunted individuals of a prey-fish species in a large, low-productive lake, which caused an increase in the availability of small-sized prey and allowed the predator to recover. The shift in community state has been sustained for more than 15 years after the cull ended and represents an experimental demonstration of an alternative stable state in a large-scale field system. Because most animals exhibit food-dependent growth, shifts into alternative stable states resulting from overcompensating prey growth may be common in nature and may require counterintuitive management strategies.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Persson, Lennart -- Amundsen, Per-Arne -- De Roos, Andre M -- Klemetsen, Anders -- Knudsen, Rune -- Primicerio, Raul -- New York, N.Y. -- Science. 2007 Jun 22;316(5832):1743-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Environmental Science, Umea University, S-901 87 Umea, Sweden. lennart.persson@emg.umu.se〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17588929" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Body Size ; *Ecosystem ; Fishes/*physiology ; Food Chain ; Fresh Water ; Norway ; Population Dynamics ; *Predatory Behavior ; Salmon/physiology ; Trout/physiology
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    Endangered species. U.S. announces recovery plan for a ghost bird (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-09-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2007 Aug 31;317(5842):1158.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17761857" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Birds ; Ecosystem ; Extinction, Biological ; Population Dynamics ; United States ; United States Government Agencies
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    Society for American Archaeology meeting. Climate spurred later Indus decline (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-05-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lawler, Andrew -- New York, N.Y. -- Science. 2007 May 18;316(5827):978-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17510342" target="_blank"〉PubMed〈/a〉
    Keywords: *Archaeology ; *Civilization ; *Climate ; Crops, Agricultural ; *Ethnic Groups ; Humans ; India ; Pakistan ; Population Dynamics ; Rain
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    Endangered Species Act. Appointee 'reshaped' science, says report (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-04-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2007 Apr 6;316(5821):37.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17412929" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Animals, Wild ; Conservation of Natural Resources/*legislation & jurisprudence ; *Fishes ; *Government Regulation ; Politics ; Population Dynamics ; United States ; *United States Government Agencies
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    Boom and bust in a polar hot zone (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-03-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2007 Mar 16;315(5818):1522-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17363659" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antarctic Regions ; *Cold Climate ; *Ecosystem ; Food Chain ; *Ice Cover ; Nesting Behavior ; Population Dynamics ; Snow ; *Spheniscidae ; Temperature
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    Ecology. Parasites from fish farms driving wild salmon to extinction (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-12-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2007 Dec 14;318(5857):1711.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18079376" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Wild ; British Columbia/epidemiology ; *Copepoda ; Ectoparasitic Infestations/epidemiology/mortality/*veterinary ; Extinction, Biological ; Fish Diseases/*epidemiology/mortality ; *Fisheries ; Population Dynamics ; *Salmon/parasitology
    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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    Anthropology. The missing years for modern humans (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-01-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goebel, Ted -- New York, N.Y. -- Science. 2007 Jan 12;315(5809):194-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for the Study of the First Americans, Department of Anthropology, Texas A&M University, College Station, TX 77843, USA. goebel@tamu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17218514" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; *Archaeology ; Asia ; Australia ; DNA, Mitochondrial/genetics ; *Emigration and Immigration ; Europe ; *Fossils ; Haplotypes ; Humans ; *Paleontology ; Population Dynamics ; Time
    Print ISSN: 0036-8075
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    Pilai Poonswad profile. Subduing poachers, ducking insurgents to save a splendid bird (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-08-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2007 Aug 3;317(5838):592-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17673635" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Birds ; Buddhism ; Conservation of Natural Resources ; History, 20th Century ; History, 21st Century ; Islam ; Nesting Behavior ; Population Dynamics ; Thailand ; Trees
    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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    Ecology. Aspens return to Yellowstone, with help from some wolves (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-07-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morell, Virginia -- New York, N.Y. -- Science. 2007 Jul 27;317(5837):438-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17656692" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Deer ; *Ecosystem ; Population Dynamics ; Populus/*growth & development ; *Wolves ; Wyoming
    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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    Predation risk affects reproductive physiology and demography of elk (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-02-17
    Description: Elk (Cervus elaphus) in the Greater Yellowstone Ecosystem alter patterns of aggregation, habitat selection, vigilance, and foraging in the presence of wolves (Canis lupus). Antipredator behaviors like these can reduce predation risk but are also likely to carry costs. Data from five elk populations studied for 16 site years showed that progesterone concentrations (from 1489 fecal samples) declined with the ratio of elk to wolves. In turn, progesterone concentrations were a good predictor of calf recruitment in the subsequent year. Together, these data suggest that wolves indirectly affect the reproductive physiology and the demography of elk through the costs of antipredator behavior.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Creel, Scott -- Christianson, David -- Liley, Stewart -- Winnie, John A Jr -- New York, N.Y. -- Science. 2007 Feb 16;315(5814):960.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology, Montana State University, 310 Lewis Hall, Bozeman, MT 59717, USA. screel@montana.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17303746" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Deer/*physiology ; Ecosystem ; Enzyme-Linked Immunosorbent Assay ; Feces ; Female ; Male ; Population Dynamics ; *Predatory Behavior ; Progesterone/metabolism ; Reproduction/*physiology ; *Wolves
    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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    Economics of overexploitation revisited (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-12-08
    Description: About 25% of the world's fisheries are depleted such that their current biomass is lower than the level that would maximize the sustained yield (MSY). By using methods not previously applied in the fisheries conservation context, we show in four disparate fisheries (including the long-lived and slow-growing orange roughy) that the dynamic maximum economic yield (MEY), the biomass that produces the largest discounted economic profits from fishing, exceeds MSY. Thus, although it is theoretically possible that maximizing discounted economic profits may cause stock depletions, our results show there is a win-win: In many fisheries at reasonable discount rates and at current prices and costs, larger fish stocks increase economic profits. An MEY target that exceeds MSY and transfers from higher, future profits to compensate fishers for the transition costs of stock rebuilding would help overcome a key cause of fisheries overexploitation, industry opposition to lower harvests.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Grafton, R Q -- Kompas, T -- Hilborn, R W -- New York, N.Y. -- Science. 2007 Dec 7;318(5856):1601.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Crawford School, Australian National University, Ellery Crescent, Canberra, ACT 0200, Australia. quentin.grafton@anu.edu.au〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18063793" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biomass ; Fisheries/*economics ; *Fishes ; Population Dynamics
    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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    Ecology. A world without corals? (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-05-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2007 May 4;316(5825):678-81.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17478692" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Anthozoa/microbiology/physiology ; Atmosphere ; Biodiversity ; Conservation of Natural Resources ; *Ecosystem ; Hydrogen-Ion Concentration ; Oceans and Seas ; Population Dynamics ; Seawater/chemistry
    Print ISSN: 0036-8075
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    Oceans. Climate drives sea change (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-02-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Greene, Charles H -- Pershing, Andrew J -- New York, N.Y. -- Science. 2007 Feb 23;315(5815):1084-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Earth and Atmospheric Sciences, Cornell University, Ithaca, NY 14853, USA. chg2@cornell.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17322049" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arctic Regions ; Atlantic Ocean ; *Climate ; Copepoda ; Crustacea ; *Ecosystem ; Fishes ; Food Chain ; Oceans and Seas ; Phytoplankton/*growth & development ; Population Dynamics ; Population Growth ; Seasons ; Seawater ; Zooplankton/*growth & development
    Print ISSN: 0036-8075
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    Rapid population growth of a critically endangered carnivore (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-08-11
    Description: Reintroductions of endangered species are controversial because of high costs and frequent failures. However, the population of black-footed ferrets descended from animals released in Shirley Basin, Wyoming, from 1991 to 1994 has grown rapidly after a decline to a low of five animals in 1997. Beginning around 2000, the population grew rapidly to an estimated 223 (95% confidence interval is 192 to 401) individuals in 2006. Matrix population modeling shows the importance of survival and reproduction during the first year of life, reflecting an uncommon life history for an endangered mammalian carnivore. Recovery of the species may benefit from more opportunistic and widespread releases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Grenier, M B -- McDonald, D B -- Buskirk, S W -- New York, N.Y. -- Science. 2007 Aug 10;317(5839):779.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Zoology and Physiology, University of Wyoming, 1000 East University Avenue, Laramie, WY 82071, USA. martin.grenier@wgf.state.wy.us〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17690288" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Communicable Diseases/epidemiology/veterinary ; *Ferrets/genetics/physiology ; Population Dynamics ; Population Growth ; Sciuridae ; Wyoming/epidemiology
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    Biodiversity loss in the ocean: how bad is it? (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-06-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Murawski, Steven -- Methot, Richard -- Tromble, Galen -- New York, N.Y. -- Science. 2007 Jun 1;316(5829):1281-4; author reply 1281-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17540882" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; Biomass ; *Ecosystem ; *Fisheries/legislation & jurisprudence ; *Fishes ; Forecasting ; Oceans and Seas ; Population Density ; Population Dynamics ; United States
    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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    The macroecological contribution to global change solutions (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-06-16
    Description: Anthropogenic global changes threaten species and the ecosystem services upon which society depends. Effective solutions to this multifaceted crisis need scientific responses spanning disciplines and spatial scales. Macroecology develops broad-scale predictions of species' distributions and abundances, complementing the frequently local focus of global change biology. Macroecological discoveries rely particularly on correlative methods but have still proven effective in predicting global change impacts on species. However, global changes create pseudo-experimental opportunities to build stronger, mechanistic theories in macroecology that successfully predict multiple phenomena across spatial scales. Such macroecological perspectives will help address the biotic consequences of global change.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kerr, Jeremy T -- Kharouba, Heather M -- Currie, David J -- New York, N.Y. -- Science. 2007 Jun 15;316(5831):1581-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Canadian Facility for Ecoinformatics Research (CFER), University of Ottawa, Ottawa, ON K1N 6N5 Canada. jkerr@uottawa.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17569854" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; Climate ; Ecology/*methods ; *Ecosystem ; Forecasting ; Geography ; Human Activities ; Humans ; Models, Biological ; Plants ; Population Dynamics ; Statistics as Topic
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    Global pattern formation and ethnic/cultural violence (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-09-18
    Description: We identify a process of global pattern formation that causes regions to differentiate by culture. Violence arises at boundaries between regions that are not sufficiently well defined. We model cultural differentiation as a separation of groups whose members prefer similar neighbors, with a characteristic group size at which violence occurs. Application of this model to the area of the former Yugoslavia and to India accurately predicts the locations of reported conflict. This model also points to imposed mixing or boundary clarification as mechanisms for promoting peace.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lim, May -- Metzler, Richard -- Bar-Yam, Yaneer -- New York, N.Y. -- Science. 2007 Sep 14;317(5844):1540-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉New England Complex Systems Institute, 24 Mt. Auburn Street, Cambridge, MA 02138, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17872443" target="_blank"〉PubMed〈/a〉
    Keywords: Bosnia and Herzegovina ; Conflict (Psychology) ; Croatia ; *Culture ; Demography ; *Ethnic Groups ; Humans ; India ; Models, Statistical ; Monte Carlo Method ; Population Dynamics ; *Violence/prevention & control/statistics & numerical data ; Yugoslavia
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    Cascading effects of the loss of apex predatory sharks from a coastal ocean (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-03-31
    Description: Impacts of chronic overfishing are evident in population depletions worldwide, yet indirect ecosystem effects induced by predator removal from oceanic food webs remain unpredictable. As abundances of all 11 great sharks that consume other elasmobranchs (rays, skates, and small sharks) fell over the past 35 years, 12 of 14 of these prey species increased in coastal northwest Atlantic ecosystems. Effects of this community restructuring have cascaded downward from the cownose ray, whose enhanced predation on its bay scallop prey was sufficient to terminate a century-long scallop fishery. Analogous top-down effects may be a predictable consequence of eliminating entire functional groups of predators.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Myers, Ransom A -- Baum, Julia K -- Shepherd, Travis D -- Powers, Sean P -- Peterson, Charles H -- New York, N.Y. -- Science. 2007 Mar 30;315(5820):1846-50.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Dalhousie University, 1355 Oxford Street, Halifax, NS B3H 4J1, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17395829" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Atlantic Ocean ; Bivalvia ; Conservation of Natural Resources ; *Ecosystem ; *Elasmobranchii ; Fisheries ; *Food Chain ; Ostreidae ; Population Dynamics ; Population Growth ; Predatory Behavior ; *Sharks ; Skates (Fish)
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    Biodiversity loss in the ocean: how bad is it? (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-06-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Briggs, John C -- New York, N.Y. -- Science. 2007 Jun 1;316(5829):1281-4; author reply 1281-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17546726" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; Conservation of Natural Resources ; *Ecosystem ; Extinction, Biological ; *Fishes ; Invertebrates ; Oceans and Seas ; Population Dynamics ; Terminology as Topic
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    Species interactions reverse grassland responses to changing climate (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-02-03
    Description: Predictions of ecological response to climate change are based largely on direct climatic effects on species. We show that, in a California grassland, species interactions strongly influence responses to changing climate, overturning direct climatic effects within 5 years. We manipulated the seasonality and intensity of rainfall over large, replicate plots in accordance with projections of leading climate models and examined responses across several trophic levels. Changes in seasonal water availability had pronounced effects on individual species, but as precipitation regimes were sustained across years, feedbacks and species interactions overrode autecological responses to water and reversed community trajectories. Conditions that sharply increased production and diversity through 2 years caused simplification of the food web and deep reductions in consumer abundance after 5 years. Changes in these natural grassland communities suggest a prominent role for species interactions in ecosystem response to climate change.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Suttle, K B -- Thomsen, Meredith A -- Power, Mary E -- New York, N.Y. -- Science. 2007 Feb 2;315(5812):640-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Integrative Biology, University of California, Berkeley, CA 94720, USA. kbsuttle@socrates.berkeley.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17272720" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; Biomass ; California ; *Climate ; *Ecosystem ; Food Chain ; *Invertebrates/physiology ; Nitrogen Fixation ; *Plant Development ; Poaceae/growth & development ; Population Dynamics ; Rain ; Seasons ; Time Factors
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    Asymmetric mating interactions drive widespread invasion and displacement in a whitefly (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-11-10
    Description: The role of behavioral mechanisms in animal invasions is poorly understood. We show that asymmetric mating interactions between closely related but previously allopatric genetic groups of the whitefly Bemisia tabaci, a haplodiploid species, have been a driving force contributing to widespread invasion and displacement by alien populations. We conducted long-term field surveys, caged population experiments, and detailed behavioral observations in Zhejiang, China, and Queensland, Australia, to investigate the invasion process and its underlying behavioral mechanisms. During invasion and displacement, we found increased frequency of copulation leading to increased production of female progeny among the invader, as well as reduced copulation and female production in the indigenous genetic groups. Such asymmetric mating interactions may be critical to determining the capacity of a haplodiploid invader and the consequences for its closely related indigenous organisms.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liu, Shu-Sheng -- De Barro, P J -- Xu, Jing -- Luan, Jun-Bo -- Zang, Lian-Sheng -- Ruan, Yong-Ming -- Wan, Fang-Hao -- New York, N.Y. -- Science. 2007 Dec 14;318(5857):1769-72. Epub 2007 Nov 8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Insect Sciences, Zhejiang University, Hangzhou 310029, China. shshliu@zju.edu.cn〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17991828" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; China ; Copulation ; *Ecosystem ; Female ; Hemiptera/classification/genetics/*physiology ; Male ; Population Dynamics ; Queensland ; Reproduction ; Sex Ratio ; *Sexual Behavior, Animal
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    Farmland biodiversity and the footprint of agriculture (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-01-20
    Description: Sustainable development requires the reconciliation of demands for biodiversity conservation and increased agricultural production. Assessing the impact of novel farming practices on biodiversity and ecosystem services is fundamental to this process. Using farmland birds as a model system, we present a generic risk assessment framework that accurately predicts each species' current conservation status and population growth rate associated with past changes in agriculture. We demonstrate its value by assessing the potential impact on biodiversity of two controversial land uses, genetically modified herbicide-tolerant crops and agri-environment schemes. This framework can be used to guide policy and land management decisions and to assess progress toward sustainability targets.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Butler, S J -- Vickery, J A -- Norris, K -- New York, N.Y. -- Science. 2007 Jan 19;315(5810):381-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Agri-Environment Research, School of Agriculture, Policy, and Development, University of Reading, Reading RG6 6AR, UK. s.j.butler@reading.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17234947" target="_blank"〉PubMed〈/a〉
    Keywords: *Agriculture ; Animals ; *Biodiversity ; *Birds ; Conservation of Natural Resources ; Crops, Agricultural/genetics ; *Ecosystem ; *Environment ; Great Britain ; Linear Models ; Models, Statistical ; Plants, Genetically Modified ; Population Density ; Population Dynamics ; Risk Assessment
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    Biodiversity loss in the ocean: how bad is it? (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-06-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hilborn, Ray W -- New York, N.Y. -- Science. 2007 Jun 1;316(5829):1281-4; author reply 1281-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17546725" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; Conservation of Natural Resources ; *Ecosystem ; *Fisheries ; *Fishes ; Forecasting ; Oceans and Seas ; Population Dynamics
    Print ISSN: 0036-8075
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    Local replenishment of coral reef fish populations in a marine reserve (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-05-05
    Description: The scale of larval dispersal of marine organisms is important for the design of networks of marine protected areas. We examined the fate of coral reef fish larvae produced at a small island reserve, using a mass-marking method based on maternal transmission of stable isotopes to offspring. Approximately 60% of settled juveniles were spawned at the island, for species with both short (〈2 weeks) and long (〉1 month) pelagic larval durations. If natal homing of larvae is a common life-history strategy, the appropriate spatial scales for the management and conservation of coral reefs are likely to be much smaller than previously assumed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Almany, Glenn R -- Berumen, Michael L -- Thorrold, Simon R -- Planes, Serge -- Jones, Geoffrey P -- New York, N.Y. -- Science. 2007 May 4;316(5825):742-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Australian Research Council Centre of Excellence for Coral Reef Studies and School of Marine and Tropical Biology, James Cook University, Townsville QLD 4811, Australia. glenn.almany@jcu.edu.au〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17478720" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Anthozoa ; Barium Compounds ; Chlorides ; Conservation of Natural Resources ; *Ecosystem ; Female ; Geography ; Isotopes ; Larva/physiology ; Male ; Pacific Ocean ; Papua New Guinea ; Perciformes/growth & development/*physiology ; Population Dynamics ; Reproduction
    Print ISSN: 0036-8075
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    A world with corals: what will it take? (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-10-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schuttenberg, Heidi -- Hoegh-Guldberg, Ove -- New York, N.Y. -- Science. 2007 Oct 5;318(5847):42.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17916708" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Anthozoa ; *Climate ; Conservation of Natural Resources ; *Ecosystem ; International Cooperation ; Population Dynamics
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    Early Upper Paleolithic in Eastern Europe and implications for the dispersal of modern humans (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-01-16
    Description: Radiocarbon and optically stimulated luminescence dating and magnetic stratigraphy indicate Upper Paleolithic occupation-probably representing modern humans-at archaeological sites on the Don River in Russia 45,000 to 42,000 years ago. The oldest levels at Kostenki underlie a volcanic ash horizon identified as the Campanian Ignimbrite Y5 tephra that is dated elsewhere to about 40,000 years ago. The occupation layers contain bone and ivory artifacts, including possible figurative art, and fossil shells imported more than 500 kilometers. Thus, modern humans appeared on the central plain of Eastern Europe as early as anywhere else in northern Eurasia.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Anikovich, M V -- Sinitsyn, A A -- Hoffecker, John F -- Holliday, Vance T -- Popov, V V -- Lisitsyn, S N -- Forman, Steven L -- Levkovskaya, G M -- Pospelova, G A -- Kuz'mina, I E -- Burova, N D -- Goldberg, Paul -- Macphail, Richard I -- Giaccio, Biagio -- Praslov, N D -- New York, N.Y. -- Science. 2007 Jan 12;315(5809):223-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of the History of Material Culture, Russian Academy of Sciences, 191186 St. Petersburg, Russia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17218523" target="_blank"〉PubMed〈/a〉
    Keywords: *Archaeology ; Bone and Bones ; *Emigration and Immigration ; Fossils ; Humans ; Population Dynamics ; Russia ; Time
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Archaeology. Clovis technology flowered briefly and late, dates suggest (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-02-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mann, Charles C -- New York, N.Y. -- Science. 2007 Feb 23;315(5815):1067.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17322037" target="_blank"〉PubMed〈/a〉
    Keywords: *Archaeology ; *Culture ; History, Ancient ; Humans ; North America ; Population Dynamics ; Time
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Genetic effects of captive breeding cause a rapid, cumulative fitness decline in the wild (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-10-06
    Description: Captive breeding is used to supplement populations of many species that are declining in the wild. The suitability of and long-term species survival from such programs remain largely untested, however. We measured lifetime reproductive success of the first two generations of steelhead trout that were reared in captivity and bred in the wild after they were released. By reconstructing a three-generation pedigree with microsatellite markers, we show that genetic effects of domestication reduce subsequent reproductive capabilities by approximately 40% per captive-reared generation when fish are moved to natural environments. These results suggest that even a few generations of domestication may have negative effects on natural reproduction in the wild and that the repeated use of captive-reared parents to supplement wild populations should be carefully reconsidered.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Araki, Hitoshi -- Cooper, Becky -- Blouin, Michael S -- New York, N.Y. -- Science. 2007 Oct 5;318(5847):100-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Zoology, 3029 Cordley Hall, Oregon State University Corvallis, OR 97331, USA. arakih@science.oregonstate.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17916734" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Domestic/genetics/physiology ; Animals, Wild/genetics/physiology ; *Breeding ; Female ; Fisheries ; Male ; Oncorhynchus mykiss/genetics/*physiology ; Oregon ; Population Dynamics ; *Reproduction ; Time Factors
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    Responding to amphibian loss (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-12-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pounds, J Alan -- Carnaval, Ana Carolina -- Puschendorf, Robert -- Haddad, Celio F B -- Masters, Karen L -- New York, N.Y. -- Science. 2006 Dec 8;314(5805):1541-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17158306" target="_blank"〉PubMed〈/a〉
    Keywords: *Amphibians ; Animals ; Biodiversity ; Chytridiomycota ; Conservation of Natural Resources ; *Ecosystem ; *Environment ; Greenhouse Effect ; Mycoses/veterinary ; Population Dynamics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Ecology. Staying connected in a turbulent world (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-01-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Steneck, Robert S -- New York, N.Y. -- Science. 2006 Jan 27;311(5760):480-1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Marine Sciences, University of Maine, Darling Marine Center, Walpole, ME 04573, USA. steneck@maine.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16439653" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Anthozoa ; Caribbean Region ; Computer Simulation ; Conservation of Natural Resources ; *Ecosystem ; Fishes/growth & development/*physiology ; Larva/physiology ; Models, Biological ; Population Dynamics ; *Seawater ; *Swimming ; Water Movements
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Sustainability. Resolving mismatches in U.S. ocean governance (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-08-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Crowder, L B -- Osherenko, G -- Young, O R -- Airame, S -- Norse, E A -- Baron, N -- Day, J C -- Douvere, F -- Ehler, C N -- Halpern, B S -- Langdon, S J -- McLeod, K L -- Ogden, J C -- Peach, R E -- Rosenberg, A A -- Wilson, J A -- New York, N.Y. -- Science. 2006 Aug 4;313(5787):617-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Marine Conservation, Nicholas School of the Environment and Earth Sciences, Duke University Marine Laboratory, Beaufort, NC 28516, USA. lcrowder@duke.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16888124" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; *Conservation of Natural Resources ; *Ecosystem ; Environment ; Fisheries ; Fishes ; *Government Regulation ; *Marine Biology ; Oceans and Seas ; Population Dynamics ; Seawater ; United States
    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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    Ecology. Global loss of biodiversity harming ocean bounty (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-11-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2006 Nov 3;314(5800):745.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17082432" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; Biomass ; Conservation of Natural Resources ; *Ecosystem ; *Fisheries ; *Fishes ; Forecasting ; Oceans and Seas ; *Plants ; Population Dynamics ; Seafood ; Seawater ; Water Pollution
    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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    Comment on "Stability via asynchrony in Drosophila metapopulations with low migration rates" (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-10-21
    Description: Dey and Joshi (Reports, 21 April 2006, p. 434) studied replicate laboratory populations of Drosophila and reported that low migration led to asynchrony among subpopulations. We argue that this unexpected outcome may be due to variation in the initial size of the subpopulations and uncontrolled stochasticity in the experiments.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ranta, Esa -- Kaitala, Veijo -- New York, N.Y. -- Science. 2006 Oct 20;314(5798):420; author reply 420.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Integrative Ecology Unit, Department of Biological and Environmental Sciences, P.O. Box 65 (Viikinkaari 1), FIN-00014 University of Helsinki, Finland. esa.ranta@helsinki.fi〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17053132" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Migration ; Animals ; Computer Simulation ; Drosophila melanogaster/*physiology ; Models, Biological ; Population Dynamics ; Population Growth ; Stochastic Processes
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Group competition, reproductive leveling, and the evolution of human altruism (2006)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2006-12-13
    Description: Humans behave altruistically in natural settings and experiments. A possible explanation-that groups with more altruists survive when groups compete-has long been judged untenable on empirical grounds for most species. But there have been no empirical tests of this explanation for humans. My empirical estimates show that genetic differences between early human groups are likely to have been great enough so that lethal intergroup competition could account for the evolution of altruism. Crucial to this process were distinctive human practices such as sharing food beyond the immediate family, monogamy, and other forms of reproductive leveling. These culturally transmitted practices presuppose advanced cognitive and linguistic capacities, possibly accounting for the distinctive forms of altruism found in our species.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bowles, Samuel -- New York, N.Y. -- Science. 2006 Dec 8;314(5805):1569-72.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Santa Fe Institute, 1399 Hyde Park Road, Santa Fe, NM 87501, USA, and Universita di Siena, 17 Piazza San Francesco, Siena, Italy. bowles@santafe.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17158320" target="_blank"〉PubMed〈/a〉
    Keywords: *Altruism ; Archaeology ; *Biological Evolution ; Climate ; *Competitive Behavior ; Cultural Evolution ; Genetic Variation ; Genetics, Population ; *Group Processes ; Humans ; Mathematics ; Models, Theoretical ; Population Dynamics ; *Reproduction ; Selection, Genetic ; Violence ; Warfare
    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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    Emergence of drug-resistant influenza virus: population dynamical considerations (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-04-22
    Description: Given the considerable challenges to the rapid development of an effective vaccine against influenza, antiviral agents will play an important role as a first-line defense if a new pandemic occurs. The large-scale use of drugs for chemoprophylaxis and treatment will impose strong selection for the evolution of drug-resistant strains. The ensuing transmission of those strains could substantially limit the effectiveness of the drugs as a first-line defense. Summarizing recent data on the rate at which the treatment of influenza infection generates resistance de novo and on the transmission fitness of resistant virus, we discuss possible implications for the epidemiological spread of drug resistance in the context of an established population dynamic model.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Regoes, Roland R -- Bonhoeffer, Sebastian -- New York, N.Y. -- Science. 2006 Apr 21;312(5772):389-91.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Integrative Biology, ETH Zurich, ETH Zentrum CHN K12.1, Universitatsstrasse 16, CH 8092 Zurich, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16627735" target="_blank"〉PubMed〈/a〉
    Keywords: Acetamides/pharmacology/therapeutic use ; Amantadine/pharmacology/therapeutic use ; Antiviral Agents/*pharmacology/*therapeutic use ; Computer Simulation ; Disease Outbreaks ; *Drug Resistance, Viral/genetics ; Humans ; Influenza A virus/*drug effects/genetics/pathogenicity ; Influenza, Human/*drug therapy/epidemiology/*prevention & control/virology ; Mathematics ; Models, Biological ; Mutation ; Neuraminidase/antagonists & inhibitors ; Orthomyxoviridae/*drug effects/genetics/pathogenicity ; Oseltamivir ; Population Dynamics
    Print ISSN: 0036-8075
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    Nonrandom processes maintain diversity in tropical forests (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-01-28
    Description: An ecological community's species diversity tends to erode through time as a result of stochastic extinction, competitive exclusion, and unstable host-enemy dynamics. This erosion of diversity can be prevented over the short term if recruits are highly diverse as a result of preferential recruitment of rare species or, alternatively, if rare species survive preferentially, which increases diversity as the ages of the individuals increase. Here, we present census data from seven New and Old World tropical forest dynamics plots that all show the latter pattern. Within local areas, the trees that survived were as a group more diverse than those that were recruited or those that died. The larger (and therefore on average older) survivors were more diverse within local areas than the smaller survivors. When species were rare in a local area, they had a higher survival rate than when they were common, resulting in enrichment for rare species and increasing diversity with age and size class in these complex ecosystems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wills, Christopher -- Harms, Kyle E -- Condit, Richard -- King, David -- Thompson, Jill -- He, Fangliang -- Muller-Landau, Helene C -- Ashton, Peter -- Losos, Elizabeth -- Comita, Liza -- Hubbell, Stephen -- Lafrankie, James -- Bunyavejchewin, Sarayudh -- Dattaraja, H S -- Davies, Stuart -- Esufali, Shameema -- Foster, Robin -- Gunatilleke, Nimal -- Gunatilleke, Savitri -- Hall, Pamela -- Itoh, Akira -- John, Robert -- Kiratiprayoon, Somboon -- de Lao, Suzanne Loo -- Massa, Marie -- Nath, Cheryl -- Noor, Md Nur Supardi -- Kassim, Abdul Rahman -- Sukumar, Raman -- Suresh, Hebbalalu Satyanarayana -- Sun, I-Fang -- Tan, Sylvester -- Yamakura, Takuo -- Zimmerman, Jess -- New York, N.Y. -- Science. 2006 Jan 27;311(5760):527-31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biological Sciences, University of California, San Diego, La Jolla, CA 92093-0116, USA. cwills@ucsd.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16439661" target="_blank"〉PubMed〈/a〉
    Keywords: *Biodiversity ; *Ecosystem ; Population Density ; Population Dynamics ; *Trees/growth & development ; Tropical Climate
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Decline of vultures in Asia (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-03-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Green, Rhys E -- New York, N.Y. -- Science. 2006 Mar 10;311(5766):1378.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16527954" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Domestic ; Anti-Inflammatory Agents, Non-Steroidal/poisoning ; Asia ; Diclofenac/*poisoning ; *Falconiformes ; Food Chain ; India ; Population Dynamics ; Thiazines/pharmacology ; Thiazoles/pharmacology
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    A major ecosystem shift in the northern Bering Sea (2006)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2006-03-11
    Description: Until recently, northern Bering Sea ecosystems were characterized by extensive seasonal sea ice cover, high water column and sediment carbon production, and tight pelagic-benthic coupling of organic production. Here, we show that these ecosystems are shifting away from these characteristics. Changes in biological communities are contemporaneous with shifts in regional atmospheric and hydrographic forcing. In the past decade, geographic displacement of marine mammal population distributions has coincided with a reduction of benthic prey populations, an increase in pelagic fish, a reduction in sea ice, and an increase in air and ocean temperatures. These changes now observed on the shallow shelf of the northern Bering Sea should be expected to affect a much broader portion of the Pacific-influenced sector of the Arctic Ocean.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Grebmeier, Jacqueline M -- Overland, James E -- Moore, Sue E -- Farley, Ed V -- Carmack, Eddy C -- Cooper, Lee W -- Frey, Karen E -- Helle, John H -- McLaughlin, Fiona A -- McNutt, S Lyn -- New York, N.Y. -- Science. 2006 Mar 10;311(5766):1461-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Marine Biogeochemistry and Ecology Group, Department of Ecology and Evolutionary Biology, 10515 Research Drive, Building A, Suite 100, University of Tennessee, Knoxville, TN 37932, USA. jgrebmei@utk.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16527980" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arctic Regions ; Ducks ; *Ecosystem ; Fishes ; Geologic Sediments/chemistry ; *Ice Cover ; Oxygen/analysis ; Pacific Ocean ; Population Dynamics ; Temperature ; Walruses ; Whales
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    Long-distance dispersal of plants (2006)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2006-08-12
    Description: Long-distance dispersal (LDD) of plants poses challenges to research because it involves rare events driven by complex and highly stochastic processes. The current surge of renewed interest in LDD, motivated by growing recognition of its critical importance for natural populations and communities and for humanity, promises an improved, quantitatively derived understanding of LDD. To gain deep insights into the patterns, mechanisms, causes, and consequences of LDD, we must look beyond the standard dispersal vectors and the mean trend of the distribution of dispersal distances. "Nonstandard" mechanisms such as extreme climatic events and generalized LDD vectors seem to hold the greatest explanatory power for the drastic deviations from the mean trend, deviations that make the nearly impossible LDD a reality.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nathan, Ran -- New York, N.Y. -- Science. 2006 Aug 11;313(5788):786-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Movement Ecology Laboratory, Department of Evolution, Systematics and Ecology, Alexander Silberman Institute of Life Sciences, Hebrew University of Jerusalem, Givat Ram, 91904 Jerusalem, Israel. rnathan@cc.huji.ac.il〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16902126" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; *Ecosystem ; *Environment ; Humans ; Models, Biological ; *Plants ; Pollen ; Population Dynamics ; Probability ; *Seeds ; Selection, Genetic ; Stochastic Processes ; Water Movements ; *Weather ; Wind
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    Stability via asynchrony in Drosophila metapopulations with low migration rates (2006)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2006-04-22
    Description: Very few experimental studies have examined how migration rate affects metapopulation dynamics and stability. We studied the dynamics of replicate laboratory metapopulations of Drosophila under different migration rates. Low migration stabilized metapopulation dynamics, while promoting unstable subpopulation dynamics, by inducing asynchrony among neighboring subpopulations. High migration synchronized subpopulation dynamics, thereby destabilizing the metapopulations. Contrary to some theoretical predictions, increased migration did not affect average population size. Simulations based on a simple non-species-specific population growth model captured most features of the data, which suggests that our results are generalizable.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dey, Sutirth -- Joshi, Amitabh -- New York, N.Y. -- Science. 2006 Apr 21;312(5772):434-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Evolutionary Biology Laboratory, Evolutionary & Organismal Biology Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur P.O., Bangalore 560 064, India.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16627743" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Migration ; Animals ; Computer Simulation ; Drosophila melanogaster/*physiology ; Models, Biological ; Population Density ; Population Dynamics ; Population Growth
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Comment on "On the regulation of populations of mammals, birds, fish, and insects" II (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-02-25
    Description: Sibly et al. (Reports, 22 July 2005, p. 607) recently estimated the relationship between population size and growth rate for 1780 time series of various species. I explain why some aspects of their analysis are questionable and, therefore, why their results and estimation procedure should be used with care.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ross, Joshua V -- New York, N.Y. -- Science. 2006 Feb 24;311(5764):1100; author reply 1100.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Mathematics, University of Queensland, St. Lucia, QLD 4072, Australia. jvr@maths.uq.edu.au〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16497916" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Birds ; Conservation of Natural Resources ; Ecosystem ; *Fishes ; *Insects ; Logistic Models ; *Mammals ; Mathematics ; Models, Biological ; Population Density ; Population Dynamics ; Population Growth ; Regression Analysis
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Archaeology. The end of Angkor (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-03-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2006 Mar 10;311(5766):1364-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16527940" target="_blank"〉PubMed〈/a〉
    Keywords: Archaeology ; Cambodia ; Cities/*history ; Conservation of Natural Resources ; Environment ; History, Medieval ; Population Dynamics ; Sanitary Engineering/history ; Trees ; Water Supply
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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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    Evolution. Fossil record reveals tropics as cradle and museum (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-10-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marshall, Charles R -- New York, N.Y. -- Science. 2006 Oct 6;314(5796):66-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Departments of Organismic and Evolutionary Biology and Earth and Planetary Sciences, Harvard University, 26 Oxford Street Cambridge, MA 02138, USA. cmarshal@oeb.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17023640" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; *Biological Evolution ; *Bivalvia/anatomy & histology/classification ; *Fossils ; Geography ; Phylogeny ; Population Dynamics ; *Tropical Climate
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    Does the world really need more babies? (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-09-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zuckerman, Ben -- New York, N.Y. -- Science. 2006 Sep 29;313(5795):1885-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17008509" target="_blank"〉PubMed〈/a〉
    Keywords: *Birth Rate ; *Conservation of Natural Resources ; *Developed Countries ; *Environment ; Humans ; Population Dynamics ; *Population Growth
    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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  • 73
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    Loss of a harvested fish species disrupts carbon flow in a diverse tropical river (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-08-12
    Description: Harvesting threatens many vertebrate species, yet few whole-system manipulations have been conducted to predict the consequences of vertebrate losses on ecosystem function. Here, we show that a harvested migratory detrital-feeding fish (Prochilodontidae: Prochilodus mariae) modulates carbon flow and ecosystem metabolism. Natural declines in and experimental removal of Prochilodus decreased downstream transport of organic carbon and increased primary production and respiration. Thus, besides its economic value, Prochilodus is a critical ecological component of South American rivers. Lack of functional redundancy for this species highlights the importance of individual species and, contrary to theory, suggests that losing one species from lower trophic levels can affect ecosystem functioning even in species-rich ecosystems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Taylor, Brad W -- Flecker, Alexander S -- Hall, Robert O Jr -- New York, N.Y. -- Science. 2006 Aug 11;313(5788):833-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Zoology and Physiology, University of Wyoming, Laramie, WY 82071, USA. brad.taylor@dartmouth.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16902137" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Migration ; Animals ; Biofilms ; Biomass ; Body Size ; Carbon/*metabolism ; Conservation of Natural Resources ; *Ecosystem ; Feeding Behavior ; *Fisheries ; Fishes/anatomy & histology/*physiology ; Food Chain ; Population Dynamics ; *Rivers ; Seasons ; South America ; Tropical Climate
    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
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    Fish population and behavior revealed by instantaneous continental shelf-scale imaging (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-02-04
    Description: Until now, continental shelf environments have been monitored with highly localized line-transect methods from slow-moving research vessels. These methods significantly undersample fish populations in time and space, leaving an incomplete and ambiguous record of abundance and behavior. We show that fish populations in continental shelf environments can be instantaneously imaged over thousands of square kilometers and continuously monitored by a remote sensing technique in which the ocean acts as an acoustic waveguide. The technique has revealed the instantaneous horizontal structural characteristics and volatile short-term behavior of very large fish shoals, containing tens of millions of fish and stretching for many kilometers.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Makris, Nicholas C -- Ratilal, Purnima -- Symonds, Deanelle T -- Jagannathan, Srinivasan -- Lee, Sunwoong -- Nero, Redwood W -- New York, N.Y. -- Science. 2006 Feb 3;311(5761):660-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Ocean Science and Engineering, Department of Mechanical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA. makris@mit.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16456080" target="_blank"〉PubMed〈/a〉
    Keywords: Acoustics ; Animals ; Atlantic Ocean ; Behavior, Animal ; Ecosystem ; *Fishes ; Oceanography ; Population Density ; Population Dynamics ; *Seawater ; Time
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Wildlife conservation. The carnivore comeback (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-11-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Enserink, Martin -- Vogel, Gretchen -- New York, N.Y. -- Science. 2006 Nov 3;314(5800):746-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17082433" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Migration ; Animals ; Animals, Domestic ; *Animals, Wild ; Behavior, Animal ; *Carnivora/genetics/physiology ; *Conservation of Natural Resources ; Ecosystem ; Europe ; Humans ; Population Dynamics ; Public Opinion ; Ursidae
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Migration and Dispersal. Inching toward movement ecology (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-08-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holden, Constance -- New York, N.Y. -- Science. 2006 Aug 11;313(5788):779-82.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16902122" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Migration ; Animals ; Behavior, Animal ; Computer Simulation ; *Ecology ; Flight, Animal ; Humans ; Models, Biological ; *Movement ; Plant Physiological Phenomena ; Population Dynamics ; Wind
    Print ISSN: 0036-8075
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  • 77
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    The baby deficit (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-07-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Balter, Michael -- New York, N.Y. -- Science. 2006 Jun 30;312(5782):1894-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16809522" target="_blank"〉PubMed〈/a〉
    Keywords: Aging ; *Birth Rate ; *Developed Countries ; Developing Countries ; Emigration and Immigration ; Family Characteristics ; Female ; Humans ; Male ; Parental Leave ; Population Dynamics ; *Population Growth ; Pregnancy ; Public Policy ; *Reproductive Behavior
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  • 78
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    Planktonic foraminifera of the California Current reflect 20th-century warming (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-01-10
    Description: It is currently unclear whether observed pelagic ecosystem responses to ocean warming, such as a mid-1970s change in the eastern North Pacific, depart from typical ocean variability. We report variations in planktonic foraminifera from varved sediments off southern California spanning the past 1400 years. Increasing abundances of tropical/subtropical species throughout the 20th century reflect a warming trend superimposed on decadal-scale fluctuations. Decreasing abundances of temperate/subpolar species in the late 20th century indicate a deep, penetrative warming not observed in previous centuries. These results imply that 20th-century warming, apparently anthropogenic, has already affected lower trophic levels of the California Current.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Field, David B -- Baumgartner, Timothy R -- Charles, Christopher D -- Ferreira-Bartrina, Vicente -- Ohman, Mark D -- New York, N.Y. -- Science. 2006 Jan 6;311(5757):63-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Scripps Institution of Oceanography, University of California, San Diego, La Jolla, CA 92093, USA. dfield@mbari.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16400144" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; California ; *Climate ; *Ecosystem ; Environment ; *Eukaryota/classification ; *Geologic Sediments ; Greenhouse Effect ; Population Density ; Population Dynamics ; Principal Component Analysis ; Seasons ; Temperature ; Time Factors ; *Zooplankton/classification
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 79
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    Going east: new genetic and archaeological perspectives on the modern human colonization of Eurasia (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-08-12
    Description: The pattern of dispersal of biologically and behaviorally modern human populations from their African origins to the rest of the occupied world between approximately 60,000 and 40,000 years ago is at present a topic of lively debate, centering principally on the issue of single versus multiple dispersals. Here I argue that the archaeological and genetic evidence points to a single successful dispersal event, which took genetically and culturally modern populations fairly rapidly across southern and southeastern Asia into Australasia, and with only a secondary and later dispersal into Europe.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mellars, Paul -- New York, N.Y. -- Science. 2006 Aug 11;313(5788):796-800.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Archaeology, Cambridge University, Cambridge CB2 3DZ, UK. pam59@cam.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16902130" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; *Archaeology ; Asia ; Australia ; Chromosomes, Human, Y ; Continental Population Groups/genetics/*history ; DNA, Mitochondrial ; *Emigration and Immigration ; Europe ; Founder Effect ; Genetics, Population ; History, Ancient ; Humans ; Population Dynamics ; Time
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    Biodiversity. Confronting amphibian declines and extinctions (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-07-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mendelson, Joseph R 3rd -- Lips, Karen R -- Gagliardo, Ronald W -- Rabb, George B -- Collins, James P -- Diffendorfer, James E -- Daszak, Peter -- Ibanez D, Roberto -- Zippel, Kevin C -- Lawson, Dwight P -- Wright, Kevin M -- Stuart, Simon N -- Gascon, Claude -- da Silva, Helio R -- Burrowes, Patricia A -- Joglar, Rafael L -- La Marca, Enrique -- Lotters, Stefan -- du Preez, Louis H -- Weldon, Che -- Hyatt, Alex -- Rodriguez-Mahecha, Jose Vicente -- Hunt, Susan -- Robertson, Helen -- Lock, Brad -- Raxworthy, Christopher J -- Frost, Darrel R -- Lacy, Robert C -- Alford, Ross A -- Campbell, Jonathan A -- Parra-Olea, Gabriela -- Bolanos, Federico -- Domingo, Jose Joaquin Calvo -- Halliday, Tim -- Murphy, James B -- Wake, Marvalee H -- Coloma, Luis A -- Kuzmin, Sergius L -- Price, Mark Stanley -- Howell, Kim M -- Lau, Michael -- Pethiyagoda, Rohan -- Boone, Michelle -- Lannoo, Michael J -- Blaustein, Andrew R -- Dobson, Andy -- Griffiths, Richard A -- Crump, Martha L -- Wake, David B -- Brodie, Edmund D Jr -- New York, N.Y. -- Science. 2006 Jul 7;313(5783):48.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Zoo Atlanta, 800 Cherokee Avenue SE, Atlanta, GA 30315, USA. jmendelson@zooatlanta.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16825553" target="_blank"〉PubMed〈/a〉
    Keywords: *Amphibians ; Animals ; *Biodiversity ; Chytridiomycota ; Conservation of Natural Resources ; Ecosystem ; *International Agencies ; International Cooperation ; Mycoses/veterinary ; Population Dynamics
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    Ornithology. The pink death: die-offs of the lesser flamingo raise concern (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-09-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koenig, Robert -- New York, N.Y. -- Science. 2006 Sep 22;313(5794):1724-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16990528" target="_blank"〉PubMed〈/a〉
    Keywords: Africa, Eastern/epidemiology ; Animals ; *Animals, Wild ; Bacterial Toxins/analysis/toxicity ; Behavior, Animal ; Bird Diseases/*epidemiology ; *Birds ; *Conservation of Natural Resources ; Cyanobacteria ; *Ecosystem ; Feeding Behavior ; Fresh Water ; Hydrogen-Ion Concentration ; Population Density ; Population Dynamics ; Temperature
    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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  • 82
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    Evolution. Competition drives big beaks out of business (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-07-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2006 Jul 14;313(5784):156.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16840668" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Beak/*anatomy & histology ; *Biological Evolution ; Competitive Behavior ; Diet ; Disasters ; Ecosystem ; Ecuador ; Feeding Behavior ; *Finches/anatomy & histology/physiology ; *Food ; Population Dynamics ; *Seeds ; *Selection, Genetic
    Print ISSN: 0036-8075
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  • 83
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    Late colonization of Easter Island (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-03-11
    Description: Easter Island (Rapa Nui) provides a model of human-induced environmental degradation. A reliable chronology is central to understanding the cultural, ecological, and demographic processes involved. Radiocarbon dates for the earliest stratigraphic layers at Anakena, Easter Island, and analysis of previous radiocarbon dates imply that the island was colonized late, about 1200 A.D. Substantial ecological impacts and major cultural investments in monumental architecture and statuary thus began soon after initial settlement.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hunt, Terry L -- Lipo, Carl P -- New York, N.Y. -- Science. 2006 Mar 17;311(5767):1603-6. Epub 2006 Mar 9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anthropology, University of Hawai'i Manoa, 2424 Maile Way, Honolulu, HI 96822, USA. thunt@hawaii.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16527931" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Anthropology ; Anthropology, Cultural ; Conservation of Natural Resources ; Ecosystem ; Emigration and Immigration/*history ; *Environment ; History, Ancient ; Humans ; Plants ; Polynesia ; Population Density ; Population Dynamics ; Population Growth
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  • 84
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    From individual dispersal to species ranges: perspectives for a changing world (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-08-12
    Description: Dispersal is often risky to the individual, yet the long-term survival of populations depends on having a sufficient number of individuals that move, find each other, and locate suitable breeding habitats. This tension has consequences that rarely meet our conservation or management goals. This is particularly true in changing environments, which makes the study of dispersal urgently topical in a world plagued with habitat loss, climate change, and species introductions. Despite the difficulty of tracking mobile individuals over potentially vast ranges, recent research has revealed a multitude of ways in which dispersal evolution can either constrain, or accelerate, species' responses to environmental changes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kokko, Hanna -- Lopez-Sepulcre, Andres -- New York, N.Y. -- Science. 2006 Aug 11;313(5788):789-91.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Ecological and Evolutionary Dynamics, Department of Biological and Environmental Science, University of Helsinki, Post Office Box 65 (Viikinkaari 1), FIN-00014 Helsinki, Finland. hanna.kokko@helsinki.fi〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16902127" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Biological ; *Animal Migration ; Animals ; Behavior, Animal ; Biological Evolution ; Cues ; *Ecosystem ; *Environment ; Genes ; Homing Behavior ; Humans ; *Movement ; Population Dynamics ; Reproduction ; Selection, Genetic
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    Biomass, size, and trophic status of top predators in the Pacific Ocean (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-12-16
    Description: Fisheries have removed at least 50 million tons of tuna and other top-level predators from the Pacific Ocean pelagic ecosystem since 1950, leading to concerns about a catastrophic reduction in population biomass and the collapse of oceanic food chains. We analyzed all available data from Pacific tuna fisheries for 1950-2004 to provide comprehensive estimates of fishery impacts on population biomass and size structure. Current biomass ranges among species from 36 to 91% of the biomass predicted in the absence of fishing, a level consistent with or higher than standard fisheries management targets. Fish larger than 175 centimeters fork length have decreased from 5% to approximately 1% of the total population. The trophic level of the catch has decreased slightly, but there is no detectable decrease in the trophic level of the population. These results indicate substantial, though not catastrophic, impacts of fisheries on these top-level predators and minor impacts on the ecosystem in the Pacific Ocean.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sibert, John -- Hampton, John -- Kleiber, Pierre -- Maunder, Mark -- New York, N.Y. -- Science. 2006 Dec 15;314(5806):1773-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Joint Institute for Marine and Atmospheric Research, University of Hawaii, Honolulu, HI 96822, USA. sibert@hawaii.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17170304" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biomass ; Body Size ; Conservation of Natural Resources ; *Ecosystem ; *Fisheries ; *Food Chain ; Pacific Ocean ; Perciformes/anatomy & histology/physiology ; Population Density ; Population Dynamics ; Predatory Behavior ; *Sharks/anatomy & histology/physiology ; *Tuna/anatomy & histology/physiology
    Print ISSN: 0036-8075
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    Comment on "On the regulation of populations of mammals, birds, fish, and insects" I (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-02-25
    Description: Sibly et al. (Reports, 22 July 2005, p. 607) concluded that density dependence acts far below the carrying capacity in most animal populations. We argue that the authors confused discrete and continuous models, that their best-fit models cannot explain observed oscillations, and that their estimation procedures appear biased. They also neglected trophic and migratory processes, which we demonstrate could underlie their empirical findings.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Getz, Wayne M -- Lloyd-Smith, James O -- New York, N.Y. -- Science. 2006 Feb 24;311(5764):1100; author reply 1100.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Environmental Sciences, Policy, and Management, University of California at Berkeley, CA 94720-3114, USA. getz@nature.berkeley.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16497915" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Birds ; Conservation of Natural Resources ; Databases, Factual ; Ecosystem ; *Fishes ; *Insects ; Logistic Models ; *Mammals ; Mathematics ; Models, Biological ; Population Density ; Population Dynamics ; Population Growth ; Regression Analysis
    Print ISSN: 0036-8075
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    Climate-controlled Holocene occupation in the Sahara: motor of Africa's evolution (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-07-22
    Description: Radiocarbon data from 150 archaeological excavations in the now hyper-arid Eastern Sahara of Egypt, Sudan, Libya, and Chad reveal close links between climatic variations and prehistoric occupation during the past 12,000 years. Synoptic multiple-indicator views for major time slices demonstrate the transition from initial settlement after the sudden onset of humid conditions at 8500 B.C.E. to the exodus resulting from gradual desiccation since 5300 B.C.E. Southward shifting of the desert margin helped trigger the emergence of pharaonic civilization along the Nile, influenced the spread of pastoralism throughout the continent, and affects sub-Saharan Africa to the present day.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kuper, Rudolph -- Kropelin, Stefan -- New York, N.Y. -- Science. 2006 Aug 11;313(5788):803-7. Epub 2006 Jul 20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Collaborative Research Center 389 (ACACIA), University of Cologne, Institute of Prehistoric Archaeology, Africa Research Unit, Jennerstrasse 8, 50823 Koln, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16857900" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture/history ; Animal Husbandry/history ; Archaeology ; Chad ; Civilization/*history ; *Climate ; *Cultural Evolution ; Desert Climate ; Egypt ; Emigration and Immigration ; Environment ; History, Ancient ; Humans ; Humidity ; Libya ; Population Dynamics ; Rain ; Sudan
    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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    A virus reveals population structure and recent demographic history of its carnivore host (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-01-28
    Description: Directly transmitted parasites often provide substantial information about the temporal and spatial characteristics of host-to-host contact. Here, we demonstrate that a fast-evolving virus (feline immunodeficiency virus, FIV) can reveal details of the contemporary population structure and recent demographic history of its natural wildlife host (Puma concolor) that were not apparent from host genetic data and would be impossible to obtain by other means. We suggest that rapidly evolving pathogens may provide a complementary tool for studying population dynamics of their hosts in "shallow" time.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Biek, Roman -- Drummond, Alexei J -- Poss, Mary -- New York, N.Y. -- Science. 2006 Jan 27;311(5760):538-41.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Wildlife Biology Program, University of Montana, Missoula, MT 59812, USA. rbiek@emory.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16439664" target="_blank"〉PubMed〈/a〉
    Keywords: Alberta/epidemiology ; Animals ; Bayes Theorem ; British Columbia/epidemiology ; Ecosystem ; *Evolution, Molecular ; Genes, env ; Genes, pol ; Geography ; Immunodeficiency Virus, Feline/*classification/*genetics ; Lentivirus Infections/epidemiology/*veterinary/virology ; Microsatellite Repeats ; Molecular Sequence Data ; Montana/epidemiology ; Phylogeny ; Population Dynamics ; *Puma/genetics/virology ; Time Factors ; Wyoming/epidemiology
    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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  • 89
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    Out of the tropics: evolutionary dynamics of the latitudinal diversity gradient (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-10-07
    Description: The evolutionary dynamics underlying the latitudinal gradient in biodiversity have been controversial for over a century. Using a spatially explicit approach that incorporates not only origination and extinction but immigration, a global analysis of genera and subgenera of marine bivalves over the past 11 million years supports an "out of the tropics" model, in which taxa preferentially originate in the tropics and expand toward the poles without losing their tropical presence. The tropics are thus both a cradle and a museum of biodiversity, contrary to the conceptual dichotomy dominant since 1974; a tropical diversity crisis would thus have profound evolutionary effects at all latitudes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jablonski, David -- Roy, Kaustuv -- Valentine, James W -- New York, N.Y. -- Science. 2006 Oct 6;314(5796):102-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Geophysical Sciences, University of Chicago, 5734 South Ellis Avenue, Chicago, IL 60637, USA. djablons@uchicago.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17023653" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; *Biological Evolution ; *Bivalvia/classification ; *Fossils ; Geography ; Models, Biological ; Phylogeny ; Population Dynamics ; *Tropical Climate
    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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  • 90
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    Wildlife conservation. On the brink (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-11-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vogel, Gretchen -- New York, N.Y. -- Science. 2006 Nov 3;314(5800):749.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17082434" target="_blank"〉PubMed〈/a〉
    Keywords: *Breeding ; *Conservation of Natural Resources ; Ecosystem ; Europe ; Humans ; *Lynx/physiology ; Population Density ; Population Dynamics
    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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  • 91
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    Conservation biology. The lost world of the Kihansi toad (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-03-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Krajick, Kevin -- New York, N.Y. -- Science. 2006 Mar 3;311(5765):1230-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16513956" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Zoo ; Biodiversity ; *Bufonidae/physiology ; Cell Line ; *Conservation of Natural Resources ; Developed Countries ; *Ecosystem ; Environment ; Population Dynamics ; Rivers ; Tanzania ; Water Movements
    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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  • 92
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    Parallel declines in pollinators and insect-pollinated plants in Britain and the Netherlands (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-07-22
    Description: Despite widespread concern about declines in pollination services, little is known about the patterns of change in most pollinator assemblages. By studying bee and hoverfly assemblages in Britain and the Netherlands, we found evidence of declines (pre-versus post-1980) in local bee diversity in both countries; however, divergent trends were observed in hoverflies. Depending on the assemblage and location, pollinator declines were most frequent in habitat and flower specialists, in univoltine species, and/or in nonmigrants. In conjunction with this evidence, outcrossing plant species that are reliant on the declining pollinators have themselves declined relative to other plant species. Taken together, these findings strongly suggest a causal connection between local extinctions of functionally linked plant and pollinator species.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Biesmeijer, J C -- Roberts, S P M -- Reemer, M -- Ohlemuller, R -- Edwards, M -- Peeters, T -- Schaffers, A P -- Potts, S G -- Kleukers, R -- Thomas, C D -- Settele, J -- Kunin, W E -- New York, N.Y. -- Science. 2006 Jul 21;313(5785):351-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Integrative and Comparative Biology and Earth and Biosphere Institute, University of Leeds, Leeds, LS2 9JT, UK. j.c.biesmeijer@leeds.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16857940" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Migration ; Animals ; *Bees ; *Biodiversity ; *Diptera ; *Ecosystem ; Environment ; Flowers ; Great Britain ; Netherlands ; *Plants ; *Pollen ; Population Dynamics
    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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  • 93
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    Ecology. Coral reefs and the global network of Marine Protected Areas (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-06-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mora, Camilo -- Andrefouet, Serge -- Costello, Mark J -- Kranenburg, Christine -- Rollo, Audrey -- Veron, John -- Gaston, Kevin J -- Myers, Ransom A -- New York, N.Y. -- Science. 2006 Jun 23;312(5781):1750-1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Leigh Marine Laboratory, University of Auckland, Post Office Box 349, Warkworth, New Zealand. moracamilo@hotmail.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16794065" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Anthozoa ; *Biodiversity ; *Conservation of Natural Resources ; Databases, Factual ; *Ecosystem ; *Fishes ; Homing Behavior ; Marine Biology ; Population Dynamics
    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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  • 94
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    Ecology. Pollinator diversity declining in Europe (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-07-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2006 Jul 21;313(5785):286.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16857912" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Bees ; *Biodiversity ; *Diptera ; *Ecosystem ; Environment ; Great Britain ; Netherlands ; *Plants ; *Pollen ; Population Dynamics
    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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  • 95
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    Extinction risk and conservation priorities (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-07-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, Rebecca M -- Rodriguez, Jon Paul -- Aniskowicz-Fowler, Theresa -- Bambaradeniya, Channa -- Boles, Ruben -- Eaton, Mark A -- Gardenfors, Ulf -- Keller, Verena -- Molur, Sanjay -- Walker, Sally -- Pollock, Caroline -- New York, N.Y. -- Science. 2006 Jul 28;313(5786):441.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16873627" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Conservation of Natural Resources ; Population Dynamics
    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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  • 96
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    Thrice out of Africa: ancient and recent expansions of the honey bee, Apis mellifera (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-10-28
    Description: We characterized Apis mellifera in both native and introduced ranges using 1136 single-nucleotide polymorphisms genotyped in 341 individuals. Our results indicate that A. mellifera originated in Africa and expanded into Eurasia at least twice, resulting in populations in eastern and western Europe that are geographically close but genetically distant. A third expansion in the New World has involved the near-replacement of previously introduced "European" honey bees by descendants of more recently introduced A. m. scutellata ("African" or "killer" bees). Our analyses of spatial transects and temporal series in the New World revealed differential replacement of alleles derived from eastern versus western Europe, with admixture evident in all individuals.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Whitfield, Charles W -- Behura, Susanta K -- Berlocher, Stewart H -- Clark, Andrew G -- Johnston, J Spencer -- Sheppard, Walter S -- Smith, Deborah R -- Suarez, Andrew V -- Weaver, Daniel -- Tsutsui, Neil D -- New York, N.Y. -- Science. 2006 Oct 27;314(5799):642-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Entomology, University of Illinois at Urbana-Champaign, 505 South Goodwin Avenue, IL 61801, USA. charlie@life.uiuc.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17068261" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Alleles ; Animal Migration ; Animals ; Asia ; Bees/classification/*genetics ; Biological Evolution ; Europe ; Female ; Genetics, Population ; Genotype ; Hybridization, Genetic ; Linkage Disequilibrium ; Male ; North America ; Phylogeny ; *Polymorphism, Single Nucleotide ; Population Dynamics ; Selection, Genetic ; Software ; South America ; Time
    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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    U.S. ocean policy. Fisheries bill gives bigger role to science--but no money (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-12-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2006 Dec 22;314(5807):1857.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17185571" target="_blank"〉PubMed〈/a〉
    Keywords: Advisory Committees ; Animals ; Budgets ; Conservation of Natural Resources/economics/*legislation & jurisprudence ; Ecosystem ; Fisheries/*legislation & jurisprudence ; *Fishes ; Population Dynamics ; United States ; United States Government Agencies
    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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  • 98
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    What is natural? The need for a long-term perspective in biodiversity conservation (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-11-25
    Description: Ecosystems change in response to factors such as climate variability, invasions, and wildfires. Most records used to assess such change are based on short-term ecological data or satellite imagery spanning only a few decades. In many instances it is impossible to disentangle natural variability from other, potentially significant trends in these records, partly because of their short time scale. We summarize recent studies that show how paleoecological records can be used to provide a longer temporal perspective to address specific conservation issues relating to biological invasions, wildfires, climate change, and determination of natural variability. The use of such records can reduce much of the uncertainty surrounding the question of what is "natural" and thereby start to provide important guidance for long-term management and conservation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Willis, K J -- Birks, H J B -- New York, N.Y. -- Science. 2006 Nov 24;314(5803):1261-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Long-Term Ecology Laboratory, Oxford University Centre for the Environment, South Parks Road, Oxford OX1 3QY, UK. kathy.willis@ouce.ox.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17124315" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; Climate ; *Conservation of Natural Resources ; *Ecosystem ; Fires ; Fossils ; Paleontology ; Plants ; Population Dynamics ; Time ; Trees ; Wetlands
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 99
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    Fishing, trophic cascades, and the process of grazing on coral reefs (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-01-10
    Description: Since the mass mortality of the urchin Diadema antillarum in 1983, parrotfishes have become the dominant grazer on Caribbean reefs. The grazing capacity of these fishes could be impaired if marine reserves achieve their long-term goal of restoring large consumers, several of which prey on parrotfishes. Here we compare the negative impacts of enhanced predation with the positive impacts of reduced fishing mortality on parrotfishes inside reserves. Because large-bodied parrotfishes escape the risk of predation from a large piscivore (the Nassau grouper), the predation effect reduced grazing by only 4 to 8%. This impact was overwhelmed by the increase in density of large parrotfishes, resulting in a net doubling of grazing. Increased grazing caused a fourfold reduction in the cover of macroalgae, which, because they are the principal competitors of corals, highlights the potential importance of reserves for coral reef resilience.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mumby, Peter J -- Dahlgren, Craig P -- Harborne, Alastair R -- Kappel, Carrie V -- Micheli, Fiorenza -- Brumbaugh, Daniel R -- Holmes, Katherine E -- Mendes, Judith M -- Broad, Kenneth -- Sanchirico, James N -- Buch, Kevin -- Box, Steve -- Stoffle, Richard W -- Gill, Andrew B -- New York, N.Y. -- Science. 2006 Jan 6;311(5757):98-101.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Marine Spatial Ecology Lab, School of BioSciences, University of Exeter, Prince of Wales Road, Exeter EX4 4PS, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16400152" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Anthozoa/growth & development ; Bahamas ; Biomass ; Body Size ; *Conservation of Natural Resources ; *Ecosystem ; Fisheries ; *Fishes ; *Perciformes/anatomy & histology ; Population Density ; Population Dynamics ; Predatory Behavior
    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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  • 100
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    Impacts of biodiversity loss on ocean ecosystem services (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-11-04
    Description: Human-dominated marine ecosystems are experiencing accelerating loss of populations and species, with largely unknown consequences. We analyzed local experiments, long-term regional time series, and global fisheries data to test how biodiversity loss affects marine ecosystem services across temporal and spatial scales. Overall, rates of resource collapse increased and recovery potential, stability, and water quality decreased exponentially with declining diversity. Restoration of biodiversity, in contrast, increased productivity fourfold and decreased variability by 21%, on average. We conclude that marine biodiversity loss is increasingly impairing the ocean's capacity to provide food, maintain water quality, and recover from perturbations. Yet available data suggest that at this point, these trends are still reversible.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Worm, Boris -- Barbier, Edward B -- Beaumont, Nicola -- Duffy, J Emmett -- Folke, Carl -- Halpern, Benjamin S -- Jackson, Jeremy B C -- Lotze, Heike K -- Micheli, Fiorenza -- Palumbi, Stephen R -- Sala, Enric -- Selkoe, Kimberley A -- Stachowicz, John J -- Watson, Reg -- New York, N.Y. -- Science. 2006 Nov 3;314(5800):787-90.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Dalhousie University, Halifax, NS, Canada B3H 4J1. bworm@dal.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17082450" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; Conservation of Natural Resources ; Databases, Factual ; *Ecosystem ; Eukaryota ; *Fisheries ; *Fishes ; Forecasting ; Invertebrates ; Oceans and Seas ; Plants ; Population Dynamics ; Seafood ; Seawater ; Water Pollution
    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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