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  • Fluid Mechanics and Thermodynamics  (196)
  • *Ecosystem
  • Cell & Developmental Biology
  • 2005-2009  (311)
  • 2005  (311)
  • 1
    Publication Date: 2005-02-26
    Description: The genomic diversity and relative importance of distinct genotypes within natural bacterial populations have remained largely unknown. Here, we analyze the diversity and annual dynamics of a group of coastal bacterioplankton (greater than 99% 16S ribosomal RNA identity to Vibrio splendidus). We show that this group consists of at least a thousand distinct genotypes, each occurring at extremely low environmental concentrations (on average less than one cell per milliliter). Overall, the genomes show extensive allelic diversity and size variation. Individual genotypes rarely recurred in samples, and allelic distribution did not show spatial or temporal substructure. Ecological considerations suggest that much genotypic and possibly phenotypic variation within natural populations should be considered neutral.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thompson, Janelle R -- Pacocha, Sarah -- Pharino, Chanathip -- Klepac-Ceraj, Vanja -- Hunt, Dana E -- Benoit, Jennifer -- Sarma-Rupavtarm, Ramahi -- Distel, Daniel L -- Polz, Martin F -- New York, N.Y. -- Science. 2005 Feb 25;307(5713):1311-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Civil and Environmental Engineering, Massachusetts Institute of Technology (MIT), Cambridge, MA 02139, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15731455" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Chaperonin 60/genetics ; *Ecosystem ; Electrophoresis, Gel, Pulsed-Field ; *Genetic Variation ; Genome, Bacterial ; Genotype ; Molecular Sequence Data ; Plankton/classification/*genetics/growth & development/isolation & purification ; Polymerase Chain Reaction ; Ribotyping ; Seawater/*microbiology ; Time Factors ; Vibrio/classification/*genetics/isolation & purification
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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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  • 2
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-02-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Illius, Andrew W -- New York, N.Y. -- Science. 2005 Feb 4;307(5710):674; author reply 674.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15714610" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Conservation of Natural Resources ; Ecology ; *Ecosystem ; Elephants ; Environment ; *Mammals ; Population Density ; Population Dynamics
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  • 3
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-05-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kintisch, Eli -- New York, N.Y. -- Science. 2005 May 27;308(5726):1251.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15919972" target="_blank"〉PubMed〈/a〉
    Keywords: *Conservation of Natural Resources ; *Ecosystem ; *Environment ; Genetic Variation ; Housing ; *Iridaceae/genetics/growth & development ; Israel ; *Residence Characteristics
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  • 4
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-05-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Inman, Mason -- New York, N.Y. -- Science. 2005 May 13;308(5724):937.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15890852" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Climate ; *Ecosystem ; Environment ; Fisheries ; *Fishes ; North Sea ; Population Dynamics ; *Seawater ; Temperature
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  • 5
    Publication Date: 2005-07-26
    Description: Land use has generally been considered a local environmental issue, but it is becoming a force of global importance. Worldwide changes to forests, farmlands, waterways, and air are being driven by the need to provide food, fiber, water, and shelter to more than six billion people. Global croplands, pastures, plantations, and urban areas have expanded in recent decades, accompanied by large increases in energy, water, and fertilizer consumption, along with considerable losses of biodiversity. Such changes in land use have enabled humans to appropriate an increasing share of the planet's resources, but they also potentially undermine the capacity of ecosystems to sustain food production, maintain freshwater and forest resources, regulate climate and air quality, and ameliorate infectious diseases. We face the challenge of managing trade-offs between immediate human needs and maintaining the capacity of the biosphere to provide goods and services in the long term.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Foley, Jonathan A -- Defries, Ruth -- Asner, Gregory P -- Barford, Carol -- Bonan, Gordon -- Carpenter, Stephen R -- Chapin, F Stuart -- Coe, Michael T -- Daily, Gretchen C -- Gibbs, Holly K -- Helkowski, Joseph H -- Holloway, Tracey -- Howard, Erica A -- Kucharik, Christopher J -- Monfreda, Chad -- Patz, Jonathan A -- Prentice, I Colin -- Ramankutty, Navin -- Snyder, Peter K -- New York, N.Y. -- Science. 2005 Jul 22;309(5734):570-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Sustainability and the Global Environment (SAGE), University of Wisconsin, 1710 University Avenue, Madison, WI 53726, USA. jfoley@wisc.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16040698" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture ; Air Pollution ; Animals ; Animals, Wild ; Climate ; Communicable Diseases/epidemiology/transmission ; *Conservation of Natural Resources ; *Ecosystem ; *Environment ; Fresh Water ; Human Activities ; Humans ; Policy Making ; Trees
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  • 6
    Publication Date: 2005-01-22
    Description: Territorial behavior is expected to buffer populations against short-term environmental perturbations, but we have found that group living in African lions causes a complex response to long-term ecological change. Despite numerous gradual changes in prey availability and vegetative cover, regional populations of Serengeti lions remained stable for 10- to 20-year periods and only shifted to new equilibria in sudden leaps. Although gradually improving environmental conditions provided sufficient resources to permit the subdivision of preexisting territories, regional lion populations did not expand until short-term conditions supplied enough prey to generate large cohorts of surviving young. The results of a simulation model show that the observed pattern of "saltatory equilibria" results from the lions' grouping behavior.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Packer, Craig -- Hilborn, Ray -- Mosser, Anna -- Kissui, Bernard -- Borner, Markus -- Hopcraft, Grant -- Wilmshurst, John -- Mduma, Simon -- Sinclair, Anthony R E -- New York, N.Y. -- Science. 2005 Jan 21;307(5708):390-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology, Evolution, and Behavior, University of Minnesota, 1987 Upper Buford Circle, Saint Paul, MN 55108, USA. packer@cbs.umn.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15662005" target="_blank"〉PubMed〈/a〉
    Keywords: Algorithms ; Animals ; Antelopes ; *Behavior, Animal ; *Ecosystem ; Environment ; Female ; *Lions/physiology ; Male ; Models, Biological ; Plants ; Population Density ; Population Dynamics ; Predatory Behavior ; Reproduction ; Seasons ; Social Behavior ; Stochastic Processes ; Tanzania ; *Territoriality
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  • 7
    Publication Date: 2005-04-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kitayama, Kanehiro -- New York, N.Y. -- Science. 2005 Apr 29;308(5722):633; author reply 633.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Ecological Research, Kyoto University, 509-3 Hirano 2-Chome, Otsu, Shiga 520-2113, Japan. kitayama@ecology.kyoto-u.ac.jp.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15860609" target="_blank"〉PubMed〈/a〉
    Keywords: *Biodiversity ; *Biomass ; Climate ; *Ecosystem ; Nitrogen/analysis ; Phosphorus/analysis ; Soil/analysis ; Time ; *Trees ; Tropical Climate
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  • 8
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-07-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Papastavrou, Vassili -- Leaper, Russell -- New York, N.Y. -- Science. 2005 Jul 1;309(5731):51-2; author reply 51-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15994510" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Conservation of Natural Resources ; *Ecosystem ; Environment ; International Cooperation ; Oceans and Seas ; Public Policy ; *Whales
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  • 9
    Publication Date: 2005-10-29
    Description: Global change will alter the supply of ecosystem services that are vital for human well-being. To investigate ecosystem service supply during the 21st century, we used a range of ecosystem models and scenarios of climate and land-use change to conduct a Europe-wide assessment. Large changes in climate and land use typically resulted in large changes in ecosystem service supply. Some of these trends may be positive (for example, increases in forest area and productivity) or offer opportunities (for example, "surplus land" for agricultural extensification and bioenergy production). However, many changes increase vulnerability as a result of a decreasing supply of ecosystem services (for example, declining soil fertility, declining water availability, increasing risk of forest fires), especially in the Mediterranean and mountain regions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schroter, Dagmar -- Cramer, Wolfgang -- Leemans, Rik -- Prentice, I Colin -- Araujo, Miguel B -- Arnell, Nigel W -- Bondeau, Alberte -- Bugmann, Harald -- Carter, Timothy R -- Gracia, Carlos A -- de la Vega-Leinert, Anne C -- Erhard, Markus -- Ewert, Frank -- Glendining, Margaret -- House, Joanna I -- Kankaanpaa, Susanna -- Klein, Richard J T -- Lavorel, Sandra -- Lindner, Marcus -- Metzger, Marc J -- Meyer, Jeannette -- Mitchell, Timothy D -- Reginster, Isabelle -- Rounsevell, Mark -- Sabate, Santi -- Sitch, Stephen -- Smith, Ben -- Smith, Jo -- Smith, Pete -- Sykes, Martin T -- Thonicke, Kirsten -- Thuiller, Wilfried -- Tuck, Gill -- Zaehle, Sonke -- Zierl, Barbel -- New York, N.Y. -- Science. 2005 Nov 25;310(5752):1333-7. Epub 2005 Oct 27.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Potsdam Institute for Climate Impact Research, 14473 Potsdam, Germany. dagmar.schroeter@gmail.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16254151" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture ; Biodiversity ; Carbon ; Climate ; Conservation of Natural Resources ; Crops, Agricultural ; *Ecosystem ; Environment ; Europe ; Greenhouse Effect ; Humans ; Models, Statistical ; Models, Theoretical ; Socioeconomic Factors ; Trees/growth & development ; Urban Population ; Water Supply ; Wood
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  • 10
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-12-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Krajick, Kevin -- New York, N.Y. -- Science. 2005 Dec 2;310(5753):1410-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16322433" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; *Conservation of Natural Resources ; *Ecosystem ; Geography ; Humans ; *Pest Control
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  • 11
    Publication Date: 2005-08-27
    Description: Organisms in fluctuating environments must constantly adapt their behavior to survive. In clonal populations, this may be achieved through sensing followed by response or through the generation of diversity by stochastic phenotype switching. Here we show that stochastic switching can be favored over sensing when the environment changes infrequently. The optimal switching rates then mimic the statistics of environmental changes. We derive a relation between the long-term growth rate of the organism and the information available about its fluctuating environment.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kussell, Edo -- Leibler, Stanislas -- New York, N.Y. -- Science. 2005 Sep 23;309(5743):2075-8. Epub 2005 Aug 25.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Living Matter and Center for Studies in Physics and Biology, Rockefeller University, 1230 York Avenue, Box 34, New York, NY 10021-6399, USA. kussele@rockefeller.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16123265" target="_blank"〉PubMed〈/a〉
    Keywords: *Adaptation, Biological ; *Biological Evolution ; Cues ; *Ecosystem ; *Environment ; *Genetic Variation ; Mathematics ; Models, Biological ; *Phenotype ; Population Dynamics ; Population Growth ; Reproduction ; Stochastic Processes
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  • 12
    Publication Date: 2005-10-01
    Description: The oceans are becoming more acidic due to absorption of anthropogenic carbon dioxide from the atmosphere. The impact of ocean acidification on marine ecosystems is unclear, but it will likely depend on species adaptability and the rate of change of seawater pH relative to its natural variability. To constrain the natural variability in reef-water pH, we measured boron isotopic compositions in a approximately 300-year-old massive Porites coral from the southwestern Pacific. Large variations in pH are found over approximately 50-year cycles that covary with the Interdecadal Pacific Oscillation of ocean-atmosphere anomalies, suggesting that natural pH cycles can modulate the impact of ocean acidification on coral reef ecosystems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pelejero, Carles -- Calvo, Eva -- McCulloch, Malcolm T -- Marshall, John F -- Gagan, Michael K -- Lough, Janice M -- Opdyke, Bradley N -- New York, N.Y. -- Science. 2005 Sep 30;309(5744):2204-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Research School of Earth Sciences, Australian National University, Canberra, ACT 0200, Australia. pelejero@cmima.csic.es〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16195458" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anthozoa/chemistry/*physiology ; Atmosphere ; Boron/analysis ; Carbon Dioxide/analysis ; *Ecosystem ; Hydrogen-Ion Concentration ; Isotopes/analysis ; Pacific Ocean ; Seasons ; *Seawater ; Time Factors
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  • 13
    Publication Date: 2005-07-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kraus, Scott D -- Brown, Moira W -- Caswell, Hal -- Clark, Christopher W -- Fujiwara, Masami -- Hamilton, Philip K -- Kenney, Robert D -- Knowlton, Amy R -- Landry, Scott -- Mayo, Charles A -- McLellan, William A -- Moore, Michael J -- Nowacek, Douglas P -- Pabst, D Ann -- Read, Andrew J -- Rolland, Rosalind M -- New York, N.Y. -- Science. 2005 Jul 22;309(5734):561-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Edgerton Research Laboratory, New England Aquarium, Boston, MA 02110-3399, USA. skraus@neaq.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16040692" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Atlantic Ocean ; Ecology ; *Ecosystem ; Environment ; Female ; Fisheries ; Male ; Mortality ; Population Dynamics ; Population Growth ; Public Policy ; Reproduction ; Ships ; *Whales/physiology
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  • 14
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-08-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2005 Aug 26;309(5739):1314-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16123277" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Atmosphere ; Biodiversity ; Carbon/analysis ; *Carbon Dioxide/metabolism ; *Climate ; *Ecosystem ; Greenhouse Effect ; Internationality ; Photosynthesis ; Research Support as Topic ; Soil/analysis ; *Trees/growth & development/metabolism ; Tropical Climate
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  • 15
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-07-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Johnson, Christopher N -- New York, N.Y. -- Science. 2005 Jul 8;309(5732):255-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Tropical Biology, James Cook University, Townsville, Queensland 4811, Australia. christopher.johnson@jcu.edu.au〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16002607" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anthropology ; Australia ; *Birds ; Carbon Isotopes ; Climate ; *Diet ; Dromaiidae ; *Ecosystem ; *Environment ; *Food Chain ; Humans ; *Mammals ; Marsupialia ; *Plants ; Poaceae ; Population Dynamics
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  • 16
    Publication Date: 2005-08-16
    Description: Annual carbon flux through soil respiration is ten times greater than fossil fuel combustion, but its component parts are poorly understood because they are the product of complex multitrophic interactions between soil organisms. A major component of carbon flux from plants to soil occurs through networks of symbiotic arbuscular mycorrhizal fungi. Here, using 13CO2 pulse labeling, we show that natural densities of the numerically dominant fungal feeding invertebrate Protaphorura armata (order Collembola) reduces 13C enrichment of mycorrhizosphere respiration by 32%. Our findings emphasize the importance of multitrophic interactions in regulating respiration of recent plant photosynthate from soil.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Johnson, David -- Krsek, Martin -- Wellington, Elizabeth M H -- Stott, Andrew W -- Cole, Lisa -- Bardgett, Richard D -- Read, David J -- Leake, Jonathan R -- New York, N.Y. -- Science. 2005 Aug 12;309(5737):1047.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Biological Sciences, University of Aberdeen, Aberdeen AB24 3UU, UK. D.Johnson@abdn.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16099977" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arthropods/*physiology ; Carbon Dioxide/*metabolism ; Carbon Isotopes ; *Ecosystem ; Environment ; Fatty Acids/analysis ; Feeding Behavior ; Food Chain ; Mycorrhizae/metabolism/*physiology ; Oxygen Consumption ; Phospholipids/analysis ; Plant Roots/microbiology ; Scotland ; *Soil/analysis ; *Soil Microbiology ; Symbiosis
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  • 17
    Publication Date: 2005-07-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉de Ruiter, Peter C -- Wolters, Volkmar -- Moore, John C -- Winemiller, Kirk O -- New York, N.Y. -- Science. 2005 Jul 1;309(5731):68-71.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Environmental Sciences, Copernicus Research Institute for Sustainable Development and Innovation, Utrecht University, 3508 TC Utrecht, Netherlands. p.deruiter@geo.uu.nl〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15994518" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; Body Size ; *Ecosystem ; Fishes ; *Food Chain ; Population Density ; Population Dynamics ; Predatory Behavior ; Time Factors
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-04-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Delfino, Massimo -- New York, N.Y. -- Science. 2005 Apr 1;308(5718):49-50; author reply 49-50.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15818797" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological ; *Amphibians/classification/physiology ; Animals ; *Biodiversity ; Biological Evolution ; Climate ; *Ecosystem ; Environment ; Population Dynamics ; Time
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-09-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mitchell, Edward A D -- New York, N.Y. -- Science. 2005 Sep 23;309(5743):1997-9; author reply 1997-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16184629" target="_blank"〉PubMed〈/a〉
    Keywords: Bacteria/classification/genetics/*growth & development ; *Biodiversity ; *Ecosystem ; Environment ; Fagus/microbiology ; Food Chain ; Geologic Sediments/microbiology ; Rain ; Temperature ; Water Microbiology
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  • 20
    Publication Date: 2005-04-23
    Description: We addressed the question of bottom-up versus top-down control of marine ecosystem trophic interactions by using annual fish catch data and satellite-derived (SeaWiFS) chlorophyll a measurements for the continental margin of western North America. Findings reveal a marked alongshore variation in retained primary production that is highly correlated with the alongshore variation in resident fish yield. The highest productivity occurs off the coasts of Washington and southern British Columbia. Zooplankton data for coastal British Columbia confirm strong bottom-up trophic linkages between phytoplankton, zooplankton, and resident fish, extending to regional areas as small as 10,000 square kilometers.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ware, Daniel M -- Thomson, Richard E -- New York, N.Y. -- Science. 2005 May 27;308(5726):1280-4. Epub 2005 Apr 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Aquatic Ecosystem Associates, 3674 Planta Road, Nanaimo, BC V9T 1M2, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15845876" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Migration ; Animals ; Biodiversity ; Biomass ; Chlorophyll/analysis ; Climate ; *Ecosystem ; *Fishes/physiology ; Food Chain ; North America ; Pacific Ocean ; *Phytoplankton/physiology ; Population Density ; *Seawater/chemistry ; *Zooplankton/physiology
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  • 21
    Publication Date: 2005-07-26
    Description: A key unresolved question in population ecology concerns the relationship between a population's size and its growth rate. We estimated this relationship for 1780 time series of mammals, birds, fish, and insects. We found that rates of population growth are high at low population densities but, contrary to previous predictions, decline rapidly with increasing population size and then flatten out, for all four taxa. This produces a strongly concave relationship between a population's growth rate and its size. These findings have fundamental implications for our understanding of animals' lives, suggesting in particular that many animals in these taxa will be found living at densities above the carrying capacity of their environments.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sibly, Richard M -- Barker, Daniel -- Denham, Michael C -- Hone, Jim -- Pagel, Mark -- New York, N.Y. -- Science. 2005 Jul 22;309(5734):607-10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Animal and Microbial Sciences, University of Reading, Whiteknights, Reading RG6 6AJ, UK. r.m.sibly@reading.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16040705" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Wild ; *Birds ; Conservation of Natural Resources ; Databases, Factual ; *Ecosystem ; Environment ; *Fishes ; *Insects ; Logistic Models ; *Mammals ; Mathematics ; Models, Biological ; Phylogeny ; Population Density ; Population Dynamics ; Population Growth ; Regression Analysis
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  • 22
    Publication Date: 2005-01-22
    Description: The Karoo basin of South Africa exposes a succession of Upper Permian to Lower Triassic terrestrial strata containing abundant terrestrial vertebrate fossils. Paleomagnetic/magnetostratigraphic and carbon-isotope data allow sections to be correlated across the basin. With this stratigraphy, the vertebrate fossil data show a gradual extinction in the Upper Permian punctuated by an enhanced extinction pulse at the Permian-Triassic boundary interval, particularly among the dicynodont therapsids, coinciding with negative carbon-isotope anomalies.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ward, Peter D -- Botha, Jennifer -- Buick, Roger -- De Kock, Michiel O -- Erwin, Douglas H -- Garrison, Geoffrey H -- Kirschvink, Joseph L -- Smith, Roger -- New York, N.Y. -- Science. 2005 Feb 4;307(5710):709-14. Epub 2005 Jan 20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of Washington, Seattle, WA 98195, USA. argo@u.washington.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15661973" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; Carbon Isotopes/analysis ; *Ecosystem ; Environment ; *Fossils ; Geologic Sediments ; Magnetics ; Plants ; South Africa ; Time ; *Vertebrates
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  • 23
    Publication Date: 2005-07-23
    Description: Many large animal species have a high risk of extinction. This is usually thought to result simply from the way that species traits associated with vulnerability, such as low reproductive rates, scale with body size. In a broad-scale analysis of extinction risk in mammals, we find two additional patterns in the size selectivity of extinction risk. First, impacts of both intrinsic and environmental factors increase sharply above a threshold body mass around 3 kilograms. Second, whereas extinction risk in smaller species is driven by environmental factors, in larger species it is driven by a combination of environmental factors and intrinsic traits. Thus, the disadvantages of large size are greater than generally recognized, and future loss of large mammal biodiversity could be far more rapid than expected.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cardillo, Marcel -- Mace, Georgina M -- Jones, Kate E -- Bielby, Jon -- Bininda-Emonds, Olaf R P -- Sechrest, Wes -- Orme, C David L -- Purvis, Andy -- New York, N.Y. -- Science. 2005 Aug 19;309(5738):1239-41. Epub 2005 Jul 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biology, Imperial College London, Silwood Park, Ascot SL5 7PY, UK. m.cardillo@imperial.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16037416" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; Biological Evolution ; *Body Size ; Body Weight ; Conservation of Natural Resources ; *Ecosystem ; *Environment ; Female ; Homing Behavior ; Humans ; *Mammals/physiology ; Models, Biological ; Models, Statistical ; Population Density ; Population Dynamics ; Pregnancy ; Pregnancy, Animal ; Regression Analysis ; Risk ; Weaning
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  • 24
    Publication Date: 2005-03-05
    Description: The serpentinite-hosted Lost City hydrothermal field is a remarkable submarine ecosystem in which geological, chemical, and biological processes are intimately interlinked. Reactions between seawater and upper mantle peridotite produce methane- and hydrogen-rich fluids, with temperatures ranging from 〈40 degrees to 90 degrees C at pH 9 to 11, and carbonate chimneys 30 to 60 meters tall. A low diversity of microorganisms related to methane-cycling Archaea thrive in the warm porous interiors of the edifices. Macrofaunal communities show a degree of species diversity at least as high as that of black smoker vent sites along the Mid-Atlantic Ridge, but they lack the high biomasses of chemosynthetic organisms that are typical of volcanically driven systems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kelley, Deborah S -- Karson, Jeffrey A -- Fruh-Green, Gretchen L -- Yoerger, Dana R -- Shank, Timothy M -- Butterfield, David A -- Hayes, John M -- Schrenk, Matthew O -- Olson, Eric J -- Proskurowski, Giora -- Jakuba, Mike -- Bradley, Al -- Larson, Ben -- Ludwig, Kristin -- Glickson, Deborah -- Buckman, Kate -- Bradley, Alexander S -- Brazelton, William J -- Roe, Kevin -- Elend, Mitch J -- Delacour, Adelie -- Bernasconi, Stefano M -- Lilley, Marvin D -- Baross, John A -- Summons, Roger E -- Sylva, Sean P -- New York, N.Y. -- Science. 2005 Mar 4;307(5714):1428-34.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Oceanography, University of Washington, Seattle, WA 98195, USA. kelley@ocean.washington.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15746419" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Archaea/classification/*growth & development/isolation & purification/metabolism ; Bacteria/classification/*growth & development/isolation & purification/metabolism ; Biodiversity ; Biomass ; *Carbonates ; Colony Count, Microbial ; *Ecosystem ; Environment ; Fishes ; *Geologic Sediments/chemistry/microbiology ; Hot Temperature ; Hydrogen/analysis/metabolism ; Hydrogen-Ion Concentration ; *Invertebrates ; Lipids/analysis ; Methane/analysis/metabolism ; Phylogeny ; *Seawater
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  • 25
    Publication Date: 2005-10-22
    Description: Amazon deforestation has been measured by remote sensing for three decades. In comparison, selective logging has been mostly invisible to satellites. We developed a large-scale, high-resolution, automated remote-sensing analysis of selective logging in the top five timber-producing states of the Brazilian Amazon. Logged areas ranged from 12,075 to 19,823 square kilometers per year (+/-14%) between 1999 and 2002, equivalent to 60 to 123% of previously reported deforestation area. Up to 1200 square kilometers per year of logging were observed on conservation lands. Each year, 27 million to 50 million cubic meters of wood were extracted, and a gross flux of approximately 0.1 billion metric tons of carbon was destined for release to the atmosphere by logging.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Asner, Gregory P -- Knapp, David E -- Broadbent, Eben N -- Oliveira, Paulo J C -- Keller, Michael -- Silva, Jose N -- New York, N.Y. -- Science. 2005 Oct 21;310(5747):480-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Global Ecology, Carnegie Institution of Washington, Stanford, CA 94305, USA. gasner@globalecology.stanford.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16239474" target="_blank"〉PubMed〈/a〉
    Keywords: Brazil ; Carbon ; *Conservation of Natural Resources ; *Ecosystem ; *Forestry ; *Industry ; Spacecraft ; *Trees ; *Wood
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  • 26
    Publication Date: 2005-11-15
    Description: Rapid global warming of 5 degrees to 10 degrees C during the Paleocene-Eocene Thermal Maximum (PETM) coincided with major turnover in vertebrate faunas, but previous studies have found little floral change. Plant fossils discovered in Wyoming, United States, show that PETM floras were a mixture of native and migrant lineages and that plant range shifts were large and rapid (occurring within 10,000 years). Floral composition and leaf shape and size suggest that climate warmed by approximately 5 degrees C during the PETM and that precipitation was low early in the event and increased later. Floral response to warming and/or increased atmospheric CO2 during the PETM was comparable in rate and magnitude to that seen in postglacial floras and to the predicted effects of anthropogenic carbon release and climate change on future vegetation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wing, Scott L -- Harrington, Guy J -- Smith, Francesca A -- Bloch, Jonathan I -- Boyer, Douglas M -- Freeman, Katherine H -- New York, N.Y. -- Science. 2005 Nov 11;310(5750):993-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Paleobiology, Smithsonian Museum of Natural History, 10th Street and Constitution Avenue, NW, Washington, DC 20560, USA. wings@si.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16284173" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; Carbon Isotopes/analysis ; *Climate ; *Ecosystem ; *Fossils ; Geologic Sediments ; *Greenhouse Effect ; Oxygen Isotopes/analysis ; Plant Development ; Plant Leaves/anatomy & histology ; *Plants/anatomy & histology/classification ; Rain ; Temperature ; Time Factors ; Wyoming
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  • 27
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-10-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Eric -- New York, N.Y. -- Science. 2005 Oct 7;310(5745):32.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16210505" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Conservation of Natural Resources/*legislation & jurisprudence ; *Ecosystem ; Environment ; Public Policy ; United States ; United States Government Agencies
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  • 28
    Publication Date: 2005-07-30
    Description: The open oceans comprise most of the biosphere, yet patterns and trends of species diversity there are enigmatic. Here, we derive worldwide patterns of tuna and billfish diversity over the past 50 years, revealing distinct subtropical "hotspots" that appeared to hold generally for other predators and zooplankton. Diversity was positively correlated with thermal fronts and dissolved oxygen and a nonlinear function of temperature (approximately 25 degrees C optimum). Diversity declined between 10 and 50% in all oceans, a trend that coincided with increased fishing pressure, superimposed on strong El Nino-Southern Oscillation-driven variability across the Pacific. We conclude that predator diversity shows a predictable yet eroding pattern signaling ecosystem-wide changes linked to climate and fishing.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Worm, Boris -- Sandow, Marcel -- Oschlies, Andreas -- Lotze, Heike K -- Myers, Ransom A -- New York, N.Y. -- Science. 2005 Aug 26;309(5739):1365-9. Epub 2005 Jul 28.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biology Department, 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/16051749" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; Climate ; *Ecosystem ; Fisheries ; Oceans and Seas ; Oxygen/analysis ; *Perciformes ; Population Density ; *Predatory Behavior ; Regression Analysis ; Seasons ; Temperature ; Time Factors ; *Tuna ; Zooplankton
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  • 29
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-04-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2005 Apr 15;308(5720):346-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15831736" target="_blank"〉PubMed〈/a〉
    Keywords: Brazil ; Carbon/metabolism ; *Disasters ; *Ecosystem ; Fires ; Photosynthesis ; *Rain ; Seasons ; *Trees/growth & development ; *Tropical Climate
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  • 30
    Publication Date: 2005-02-26
    Description: Uncontrolled releases of Tigris and Euphrates River waters after the 2003 war have partially restored some former marsh areas in southern Iraq, but restoration is failing in others because of high soil and water salinities. Nearly 20% of the original 15,000-square-kilometer marsh area was reflooded by March 2004, but the extent of marsh restoration is unknown. High-quality water, nonsaline soils, and the densest native vegetation were found in the only remaining natural marsh, the Al-Hawizeh, located on the Iranian border. Although substantially reduced in area and under current threat of an Iranian dike, it has the potential to be a native repopulation center for the region. Rapid reestablishment, high productivity, and reproduction of native flora and fauna in reflooded former marsh areas indicate a high probability for successful restoration, provided the restored wetlands are hydraulically designed to allow sufficient flow of noncontaminated water and flushing of salts through the ecosystem.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Richardson, Curtis J -- Reiss, Peter -- Hussain, Najah A -- Alwash, Azzam J -- Pool, Douglas J -- New York, N.Y. -- Science. 2005 Feb 25;307(5713):1307-11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Duke University Wetland Center, Nicholas School of Environment and Earth Sciences, Duke University, Box 90333, Durham, NC 27708, USA. curtr@duke.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15731454" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; *Conservation of Natural Resources ; *Ecosystem ; *Fresh Water ; Iraq ; Metals/analysis ; Plant Development ; Rivers ; Sodium Chloride ; Soil ; Water Movements ; Xenobiotics/analysis
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  • 31
    Publication Date: 2005-08-16
    Description: Microorganisms living in anoxic rice soils contribute 10 to 25% of global methane emissions. The most important carbon source for CH4 production is plant-derived carbon that enters soil as root exudates and debris. Pulse labeling of rice plants with 13CO2 resulted in incorporation of 13C into the ribosomal RNA of Rice Cluster I Archaea in the soil, indicating that this archaeal group plays a key role in CH4 production from plant-derived carbon. This group of microorganisms has not yet been isolated but appears to be of global environmental importance.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lu, Yahai -- Conrad, Ralf -- New York, N.Y. -- Science. 2005 Aug 12;309(5737):1088-90.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉College of Resources and Environmental Sciences, China Agricultural University, Beijing 100094, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16099988" target="_blank"〉PubMed〈/a〉
    Keywords: Archaea/classification/genetics/growth & development/*metabolism ; Carbon Dioxide/metabolism ; Carbon Isotopes/*metabolism ; Cloning, Molecular ; *Ecosystem ; Hydrogen/metabolism ; Methane/*metabolism ; Molecular Sequence Data ; Oryza/metabolism/*microbiology ; Photosynthesis ; Phylogeny ; Plant Roots/metabolism/microbiology ; Polymorphism, Restriction Fragment Length ; RNA, Archaeal/metabolism ; RNA, Ribosomal, 16S/genetics/metabolism ; *Soil Microbiology
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  • 32
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-02-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Storch, David -- Marquet, Pablo A -- Gaston, Kevin J -- New York, N.Y. -- Science. 2005 Feb 4;307(5710):684-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Theoretical Study, Charles University, 110 00-CZ Praha 1, Czech Republic.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15692039" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; Biomass ; *Ecosystem ; Environment ; Fractals ; Models, Biological ; Plants ; Population Dynamics ; Population Growth ; Stochastic Processes ; Temperature
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  • 33
    Publication Date: 2005-05-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zimov, Sergey A -- New York, N.Y. -- Science. 2005 May 6;308(5723):796-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Northeast Scientific Station, Pacific Institute for Geography (Far East Branch), Russian Academy of Sciences, Post Office Box 18, Cherskii, Republic of Sakha 678830, Russia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15879196" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture ; Animals ; *Biodiversity ; Biomass ; Bison ; Bryophyta ; Climate ; *Ecosystem ; *Elephants ; Greenhouse Effect ; Hominidae ; Horses ; Humans ; *Mammals ; Plants ; Poaceae ; Population Dynamics ; Siberia ; Soil ; Tigers ; Time
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  • 34
    Publication Date: 2005-10-01
    Description: Laterally extensive black shales were deposited on the Sao Francisco craton in southeastern Brazil during low-latitude Neoproterozoic glaciation approximately 740 to 700 million years ago. These rocks contain up to 3.0 weight % organic carbon, which we interpret as representing the preserved record of abundant marine primary productivity from glacial times. Extractable biomarkers reflect a complex and productive microbial ecosystem, including both phototrophic bacteria and eukaryotes, living in a stratified ocean with thin or absent sea ice, oxic surface waters, and euxinic conditions within the photic zone. Such an environment provides important constraints for parts of the "Snowball Earth" hypothesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Olcott, Alison N -- Sessions, Alex L -- Corsetti, Frank A -- Kaufman, Alan J -- de Oliviera, Tolentino Flavio -- New York, N.Y. -- Science. 2005 Oct 21;310(5747):471-4. Epub 2005 Sep 29.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Earth Sciences, University of Southern California, Los Angeles, CA 90089, USA. olcott@usc.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16195425" target="_blank"〉PubMed〈/a〉
    Keywords: Bacterial Physiological Phenomena ; Biomarkers/analysis ; Brazil ; Carbon/*analysis ; Carbon Isotopes/analysis ; Carbonates/analysis ; Cyanobacteria/physiology ; *Ecosystem ; Geologic Sediments/*chemistry ; *Ice Cover ; Organic Chemicals/*analysis ; *Photosynthesis ; Seawater/*microbiology ; Sunlight
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  • 35
    Publication Date: 2005-04-23
    Description: The species complexity of microbial communities and challenges in culturing representative isolates make it difficult to obtain assembled genomes. Here we characterize and compare the metabolic capabilities of terrestrial and marine microbial communities using largely unassembled sequence data obtained by shotgun sequencing DNA isolated from the various environments. Quantitative gene content analysis reveals habitat-specific fingerprints that reflect known characteristics of the sampled environments. The identification of environment-specific genes through a gene-centric comparative analysis presents new opportunities for interpreting and diagnosing environments.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tringe, Susannah Green -- von Mering, Christian -- Kobayashi, Arthur -- Salamov, Asaf A -- Chen, Kevin -- Chang, Hwai W -- Podar, Mircea -- Short, Jay M -- Mathur, Eric J -- Detter, John C -- Bork, Peer -- Hugenholtz, Philip -- Rubin, Edward M -- New York, N.Y. -- Science. 2005 Apr 22;308(5721):554-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Energy (DOE) Joint Genome Institute, 2800 Mitchell Drive, Walnut Creek, CA 94598, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15845853" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Archaea/classification/genetics/metabolism ; Bacteria/classification/*genetics/metabolism ; Bacterial Proteins/genetics/metabolism ; Biodiversity ; Biofilms ; Bone and Bones/microbiology ; Computational Biology ; *Ecosystem ; Energy Metabolism ; Eukaryotic Cells/metabolism ; Gene Library ; Genes ; Genes, Bacterial ; *Genome ; Genome, Bacterial ; *Genomics ; Molecular Sequence Data ; Operon ; Phylogeny ; Polymerase Chain Reaction ; Proteins/genetics/metabolism ; Proteome ; Seawater/*microbiology ; Sequence Analysis, DNA ; *Soil Microbiology ; Whales/*microbiology
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  • 36
    Publication Date: 2005-03-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pandolfi, J M -- Jackson, J B C -- Baron, N -- Bradbury, R H -- Guzman, H M -- Hughes, T P -- Kappel, C V -- Micheli, F -- Ogden, J C -- Possingham, H P -- Sala, E -- New York, N.Y. -- Science. 2005 Mar 18;307(5716):1725-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Marine Studies and Department of Earth Sciences, University of Queensland, St. Lucia, QLD 4072, Australia. j.pandolfi@uq.edu.au〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15774744" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Anthozoa ; Biodiversity ; Biomass ; Conservation of Natural Resources ; *Ecosystem ; Eutrophication ; Fishes ; Food Chain ; Greenhouse Effect ; International Cooperation ; Public Policy ; United States ; Water Pollution
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  • 37
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-09-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tundisi, Jose Galizia -- New York, N.Y. -- Science. 2005 Sep 2;309(5740):1489-90.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16141047" target="_blank"〉PubMed〈/a〉
    Keywords: Brazil ; *Cities ; *Conservation of Natural Resources ; *Ecosystem ; Environmental Pollution
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 38
    Publication Date: 2005-02-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gerber, Leah R -- Hyrenbach, K David -- Zacharias, Mark A -- New York, N.Y. -- Science. 2005 Jan 28;307(5709):525-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Faculty of Ecology, Evolution and Environmental Sciences, School of Life Sciences, Arizona State University, Tempe, AZ 85287-4501, USA. Leah.Gerber@asu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15681370" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Migration ; Animals ; Biodiversity ; *Conservation of Natural Resources ; *Ecosystem ; Environment ; Models, Biological ; Oceans and Seas ; Population Density ; Population Growth ; *Public Policy ; *Whales
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  • 39
    Publication Date: 2005-07-16
    Description: Long-range atmospheric transport of pollutants is generally assumed to be the main vector for arctic contamination, because local pollution sources are rare. We show that arctic seabirds, which occupy high trophic levels in marine food webs, are the dominant vectors for the transport of marine-derived contaminants to coastal ponds. The sediments of ponds most affected by seabirds had 60 times higher DDT, 25 times higher mercury, and 10 times higher hexachlorobenzene concentrations than nearby control sites. Bird guano greatly stimulates biological productivity in these extreme environments but also serves as a major source of industrial and agricultural pollutants in these remote ecosystems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Blais, Jules M -- Kimpe, Lynda E -- McMahon, Dominique -- Keatley, Bronwyn E -- Mallory, Mark L -- Douglas, Marianne S V -- Smol, John P -- New York, N.Y. -- Science. 2005 Jul 15;309(5733):445.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Advanced Research in Environmental Genomics, Department of Biology, University of Ottawa, Ottawa, Ontario, K1N 6N5 Canada. jblais@science.uottawa.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16020729" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arctic Regions ; *Birds/physiology ; DDT/analysis ; *Ecosystem ; Environmental Pollutants/*analysis ; Feeding Behavior ; Fresh Water/*chemistry ; Geologic Sediments/*chemistry ; Hexachlorobenzene/analysis ; Hydrocarbons, Chlorinated/analysis ; Mercury/analysis ; Nitrogen Isotopes/analysis ; 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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  • 40
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-06-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kruczynski, William L -- New York, N.Y. -- Science. 2005 Jun 17;308(5729):1740-2; author reply 1740-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15966075" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Anthozoa ; *Conservation of Natural Resources ; *Ecosystem ; Florida ; Sewage ; Water Pollution/prevention & control
    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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  • 41
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-04-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mervis, Jeffrey -- New York, N.Y. -- Science. 2005 Apr 29;308(5722):617.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15860601" target="_blank"〉PubMed〈/a〉
    Keywords: *Ecosystem ; Employee Performance Appraisal/*economics ; *Environment ; United States ; *United States Government Agencies
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  • 42
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-07-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2005 Jul 1;309(5731):90.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15994536" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; *Biological Evolution ; *Ecosystem ; Environment ; Forecasting ; Genes ; Phylogeny ; Plants
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 43
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-12-13
    Description: The current scale of deforestation in tropical regions and the large areas of degraded lands now present underscore the urgent need for interventions to restore biodiversity, ecological functioning, and the supply of goods and ecological services previously used by poor rural communities. Traditional timber plantations have supplied some goods but have made only minor contributions to fulfilling most of these other objectives. New approaches to reforestation are now emerging, with potential for both overcoming forest degradation and addressing rural poverty.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lamb, David -- Erskine, Peter D -- Parrotta, John A -- New York, N.Y. -- Science. 2005 Dec 9;310(5754):1628-32.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Rainforest Cooperative Research Center and School of Integrative Biology, University of Queensland, Brisbane 4072, Australia. d.lamb@uq.edu.au〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16339437" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture ; Biodiversity ; *Conservation of Natural Resources ; *Ecosystem ; *Forestry ; Rural Population ; *Trees/growth & development ; *Tropical Climate ; Wood
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  • 44
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-07-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brown, J Jed -- Hildreth, Richard -- Ford, Susan E -- New York, N.Y. -- Science. 2005 Jul 8;309(5732):244.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16002598" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Conservation of Natural Resources/*legislation & jurisprudence ; *Ecosystem ; Maryland ; *Ostreidae ; United States ; *United States Government Agencies ; Virginia
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  • 45
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-02-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lawler, Andrew -- New York, N.Y. -- Science. 2005 Feb 25;307(5713):1186-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15731416" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; *Conservation of Natural Resources ; *Ecosystem ; *Fresh Water ; Iraq ; Plant Development ; Soil ; Water Movements
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  • 46
    Publication Date: 2005-12-17
    Description: Salt marshes in the southeastern United States have recently experienced massive die-off, one of many examples of widespread degradation in marine and coastal ecosystems. Although intense drought is thought to be the primary cause of this die-off, we found snail grazing to be a major contributing factor. Survey of marsh die-off areas in three states revealed high-density fronts of snails on die-off edges at 11 of 12 sites. Exclusion experiments demonstrated that snails actively converted marshes to exposed mudflats. Salt addition and comparative field studies suggest that drought-induced stress and grazers acted synergistically and to varying degrees to cause initial plant death. After these disturbances, snail fronts formed on die-off edges and subsequently propagated through healthy marsh, leading to cascading vegetation loss. These results, combined with model analyses, reveal strong interactions between increasing climatic stress and grazer pressure, both potentially related to human environmental impacts, which amplify the likelihood and intensity of runaway collapse in these coastal systems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Silliman, Brian R -- van de Koppel, Johan -- Bertness, Mark D -- Stanton, Lee E -- Mendelssohn, Irving A -- New York, N.Y. -- Science. 2005 Dec 16;310(5755):1803-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Zoology, University of Florida, Gainesville, FL 32611, USA. brs@ufl.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16357258" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biomass ; Climate ; *Disasters ; *Ecosystem ; Environment ; Food Chain ; Georgia ; Louisiana ; Mathematics ; Models, Biological ; Poaceae/*growth & development ; Population Density ; Snails/*physiology ; *Sodium Chloride ; *Soil ; Water
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  • 47
    Publication Date: 2005-11-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Proches, Serban -- Wilson, John R U -- Veldtman, Ruan -- Kalwij, Jesse M -- Richardson, David M -- Chown, Steven L -- New York, N.Y. -- Science. 2005 Nov 4;310(5749):779-83; author reply 779-83.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16272101" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; *Birds ; Conservation of Natural Resources ; *Ecosystem ; *Environment ; Flight, Animal ; *Plants ; *Seeds
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  • 48
    Publication Date: 2005-07-05
    Description: Habitat fragmentation threatens biodiversity by disrupting dispersal. The mechanisms and consequences of this disruption are controversial, primarily because most organisms are difficult to track. We examined the effect of habitat corridors on long-distance dispersal of seeds by birds, and tested whether small-scale (〈20 meters) movements of birds could be scaled up to predict dispersal of seeds across hundreds of meters in eight experimentally fragmented landscapes. A simulation model accurately predicted the observed pattern of seed rain and revealed that corridors functioned through edge-following behavior of birds. Our study shows how models based on easily observed behaviors can be scaled up to predict landscape-level processes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Levey, Douglas J -- Bolker, Benjamin M -- Tewksbury, Joshua J -- Sargent, Sarah -- Haddad, Nick M -- New York, N.Y. -- Science. 2005 Jul 1;309(5731):146-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Zoology, University of Florida, Post Office Box 118525, Gainesville, FL 32611-8525, USA. dlevey@zoo.ufl.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15994561" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Behavior, Animal ; Computer Simulation ; Conservation of Natural Resources ; Defecation ; *Ecosystem ; *Environment ; *Flight, Animal ; Models, Biological ; Myrica ; Passeriformes/*physiology ; Pinus ; *Seeds ; South Carolina ; Trees
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  • 49
    Publication Date: 2005-07-26
    Description: We elucidate the mechanisms causing stability and severe resource suppression in a consumer-resource system. The consumer, the parasitoid Aphytis, rapidly controlled an experimentally induced outbreak of the resource, California red scale, an agricultural pest, and imposed a low, stable pest equilibrium. The results are well predicted by a mechanistic, independently parameterized model. The key mechanisms are widespread in nature: an invulnerable adult stage in the resource population and rapid consumer development. Stability in this biologically nondiverse agricultural system is a property of the local interaction between these two species, not of spatial processes or of the larger ecological community.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Murdoch, William -- Briggs, Cheryl J -- Swarbrick, Susan -- New York, N.Y. -- Science. 2005 Jul 22;309(5734):610-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology, Evolution and Marine Biology, University of California, Santa Barbara, CA 93106, USA. murdoch@lifesci.ucsb.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16040706" target="_blank"〉PubMed〈/a〉
    Keywords: Aging ; Animals ; Citrus ; *Ecosystem ; Female ; Hemiptera/growth & development/*parasitology/*physiology ; *Host-Parasite Interactions ; Hymenoptera/growth & development/*physiology ; Longevity ; Male ; Mathematics ; Models, Biological ; Population Density ; Population Dynamics ; Sex Ratio ; Temperature
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  • 50
    Publication Date: 2005-07-26
    Description: We present a global conservation analysis for an entire "flagship" taxon, land mammals. A combination of rarity, anthropogenic impacts, and political endemism has put about a quarter of terrestrial mammal species, and a larger fraction of their populations, at risk of extinction. A new global database and complementarity analysis for selecting priority areas for conservation shows that approximately 11% of Earth's land surface should be managed for conservation to preserve at least 10% of terrestrial mammal geographic ranges. Different approaches, from protection (or establishment) of reserves to countryside biogeographic enhancement of human-dominated landscapes, will be required to approach this minimal goal.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ceballos, Gerardo -- Ehrlich, Paul R -- Soberon, Jorge -- Salazar, Irma -- Fay, John P -- New York, N.Y. -- Science. 2005 Jul 22;309(5734):603-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Instituto de Ecologia, UNAM, Apdo. Postal 70-275, Mexico D.F. 04510, Mexico. gceballo@miranda.ecologia.unam.mx〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16040704" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture ; Animals ; Biodiversity ; *Conservation of Natural Resources ; Databases, Factual ; Developed Countries ; Developing Countries ; *Ecosystem ; Environment ; Geography ; Humans ; *Mammals ; Population Density ; Population Dynamics
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-07-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2005 Jul 29;309(5735):688-90.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16051764" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; Budgets ; *Conservation of Natural Resources/legislation & jurisprudence ; *Ecosystem ; Environment ; Forestry ; *Industry ; Northwestern United States ; Population Dynamics ; Strigiformes ; *Trees/growth & development ; United States Government Agencies ; Wood
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-07-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reynolds, John D -- Freckleton, Robert P -- New York, N.Y. -- Science. 2005 Jul 22;309(5734):567-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Ecology, Evolution and Conservation, School of Biological Sciences, University of East Anglia, Norwich NR4 7TJ, UK. reynolds@uea.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16040696" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Wild ; *Birds ; Conservation of Natural Resources ; Databases, Factual ; *Ecosystem ; Environment ; *Fishes ; *Insects ; Logistic Models ; *Mammals ; Models, Biological ; Population Density ; Population Dynamics ; Population Growth
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-02-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2005 Feb 11;307(5711):827.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15705813" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Conservation of Natural Resources ; *Deer ; *Ecosystem ; Feeding Behavior ; *Panax/growth & development ; Population Density ; Population Dynamics ; *Trees ; United States ; West Virginia
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  • 54
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-04-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ludvigsen, Svein -- New York, N.Y. -- Science. 2005 Apr 22;308(5721):497-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15845833" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Conservation of Natural Resources ; *Ecosystem ; *Fisheries ; *Fishes ; Norway ; *Public Policy ; *Seals, Earless ; *Whales
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  • 55
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-06-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Erwin, Douglas H -- New York, N.Y. -- Science. 2005 Jun 17;308(5729):1752-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Paleobiology, MRC-121, National Museum of Natural History, Post Office Box 37012,Washington, DC 20013, USA. erwind@si.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15961660" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Biological ; Animals ; Atlantic Islands ; *Biodiversity ; *Biological Evolution ; *Ecosystem ; Environment ; Geography ; Hawaii ; Plants ; Population Density ; Selection, Genetic
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  • 56
    Publication Date: 2005-06-25
    Description: The power law that describes the relationship between species richness and area size is one of the few generalizations in ecology, but recent studies show that this relationship differs for microbes. We demonstrate that the natural bacterial communities inhabiting small aquatic islands (treeholes) do indeed follow the species-area law. The result requires a re-evaluation of the current understanding of how natural microbial communities operate and implies that analogous processes structure both microbial communities and communities of larger organisms.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bell, Thomas -- Ager, Duane -- Song, Ji-Inn -- Newman, Jonathan A -- Thompson, Ian P -- Lilley, Andrew K -- van der Gast, Christopher J -- New York, N.Y. -- Science. 2005 Jun 24;308(5730):1884.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Molecular Microbial Ecology Section, Natural Environment Research Council (NERC) Centre for Ecology and Hydrology, Mansfield Road, Oxford, OX1 3SR, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15976296" target="_blank"〉PubMed〈/a〉
    Keywords: Bacteria/classification/genetics/*growth & development ; *Biodiversity ; *Ecosystem ; Environment ; Fagus/microbiology ; Genetic Variation ; Water Microbiology
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-06-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huppert, Amit -- Solow, Andrew R -- New York, N.Y. -- Science. 2005 Jun 17;308(5729):1740-2; author reply 1740-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15966073" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Anthozoa ; *Conservation of Natural Resources ; *Ecosystem ; United States
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  • 58
    Publication Date: 2005-04-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bernhardt, E S -- Palmer, M A -- Allan, J D -- Alexander, G -- Barnas, K -- Brooks, S -- Carr, J -- Clayton, S -- Dahm, C -- Follstad-Shah, J -- Galat, D -- Gloss, S -- Goodwin, P -- Hart, D -- Hassett, B -- Jenkinson, R -- Katz, S -- Kondolf, G M -- Lake, P S -- Lave, R -- Meyer, J L -- O'donnell, T K -- Pagano, L -- Powell, B -- Sudduth, E -- New York, N.Y. -- Science. 2005 Apr 29;308(5722):636-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15860611" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Conservation of Natural Resources/economics ; Costs and Cost Analysis ; *Databases, Factual ; *Ecosystem ; Environment ; Fishes ; *Rivers ; United States
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  • 59
    Publication Date: 2005-02-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ferber, Dan -- New York, N.Y. -- Science. 2005 Feb 25;307(5713):1190-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15731419" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; *Ecosystem ; *Industry ; Population Density ; *Whales
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 60
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-12-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thorpe, Roger S -- New York, N.Y. -- Science. 2005 Dec 16;310(5755):1778-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Biological Sciences, University of Wales, Bangor, Gwynedd LL57 2UW, UK. r.s.thorpe@bangor.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16357251" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bahamas ; Biological Evolution ; *Ecosystem ; Environment ; Genetic Speciation ; *Geography ; *Lizards/genetics ; Plant Development ; *Plants/anatomy & histology ; Population Density ; Population Dynamics ; Predatory Behavior ; Selection, Genetic
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  • 61
    Publication Date: 2005-02-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Todo, Yuko -- Kitazato, Hiroshi -- Hashimoto, Jun -- Gooday, Andrew J -- New York, N.Y. -- Science. 2005 Feb 4;307(5710):689.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Life and Earth Sciences, School of Science, Shizuoka University, Shizuoka, Japan, and U. Dom Corporation, Tokyo, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15692042" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; *Ecosystem ; Environment ; Eukaryota/cytology/*physiology ; *Geologic Sediments ; Pacific Ocean ; Population Density
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  • 62
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-10-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Inman, Mason -- New York, N.Y. -- Science. 2005 Oct 28;310(5748):611-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16254162" target="_blank"〉PubMed〈/a〉
    Keywords: Antarctic Regions ; Bacteria ; Cold Climate ; *Ecosystem ; *Fresh Water ; *Ice Cover ; Russia ; Water Microbiology ; Water Pollutants, Chemical
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 63
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-12-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sayles, Jesse S -- Green, David M -- New York, N.Y. -- Science. 2005 Dec 9;310(5754):1616-8; author reply 1616-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16339430" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Atlantic Ocean ; Canada ; *Ecosystem ; Environment ; Fisheries ; *International Cooperation ; Mortality ; Population Dynamics ; Public Policy ; Ships ; United States ; *Whales
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  • 64
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-04-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schaefer, Mark -- New York, N.Y. -- Science. 2005 Apr 15;308(5720):325.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15831720" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; *Conservation of Natural Resources ; *Ecosystem ; Environment ; Government ; Organizations ; Private Sector ; Universities
    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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  • 65
    Publication Date: 2005-03-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Flint, R Warren -- Kalke, Richard D -- New York, N.Y. -- Science. 2005 Mar 25;307(5717):1875-6; author reply 1875-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15790829" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; *Ecosystem ; Food Chain ; *Geologic Sediments ; Marine Biology ; Policy Making ; Seawater
    Print ISSN: 0036-8075
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  • 66
    Publication Date: 2005-08-27
    Description: Distributions of numerical abundance and resource use among species are fundamental aspects of community structure. Here we characterize these patterns for tropical reef fishes and corals across a 10,000-kilometer biodiversity gradient. Numerical abundance and resource-use distributions have similar shapes, but they emerge at markedly different scales. These results are consistent with a controversial null hypothesis regarding community structure, according to which abundance distributions arise from the interplay of multiple stochastic environmental and demographic factors. Our findings underscore the importance of robust conservation strategies that are appropriately scaled to the broad suite of environmental processes that help sustain biodiversity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Connolly, Sean R -- Hughes, Terry P -- Bellwood, David R -- Karlson, Ronald H -- New York, N.Y. -- Science. 2005 Aug 26;309(5739):1363-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Coral Reef Biodiversity, Department of Marine Biology, James Cook University, Townsville, QLD 4811, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16123298" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Anthozoa ; Biodiversity ; Biomass ; *Ecosystem ; Environment ; Mathematics ; Models, Biological ; Normal Distribution ; Pacific Ocean ; *Perciformes ; Population Density
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  • 67
    Publication Date: 2005-06-11
    Description: Removal of top predators from ecosystems can result in cascading effects through the trophic levels below, completely restructuring the food web. Cascades have been observed in small-scale or simple food webs, but not in large, complex, open-ocean ecosystems. Using data spanning many decades from a once cod-dominated northwest Atlantic ecosystem, we demonstrate a trophic cascade in a large marine ecosystem. Several cod stocks in other geographic areas have also collapsed without recovery, suggesting the existence of trophic cascades in these systems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Frank, Kenneth T -- Petrie, Brian -- Choi, Jae S -- Leggett, William C -- New York, N.Y. -- Science. 2005 Jun 10;308(5728):1621-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Fisheries and Oceans, Bedford Institute of Oceanography, Ocean Sciences Division, Post Office Box 1006, Dartmouth, Nova Scotia, B2Y 4A2, Canada. frankk@mar.dfo-mpo.gc.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15947186" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Atlantic Ocean ; Biodiversity ; Biomass ; *Ecosystem ; Fisheries ; *Fishes ; *Food Chain ; Gadus morhua ; *Invertebrates ; *Phytoplankton ; Population Density ; Population Dynamics ; Predatory Behavior ; Principal Component Analysis ; Seals, Earless ; *Seawater ; Time Factors ; *Zooplankton
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  • 68
    Publication Date: 2005-12-17
    Description: Population phenomena, which provide much of the underlying basis for the theoretical structure of island biogeography, have received little direct study. We determined a key population trait-survival-in the Bahamian lizard Anolis sagrei on islands with an experimentally introduced predatory lizard and on neighboring unmanipulated islands. On unmanipulated islands, survival declined with several variables, most notably vegetation height: The island with the shortest vegetation had nearly the highest survival recorded for any lizard. On islands with the introduced predator, which forages mostly on the ground, A. sagrei shifted to taller vegetation; unlike on unmanipulated islands, its survival was very low on islands with the shortest vegetation but was higher on the others. Thus, species introduction radically changed a resident species' relation of survival to a key island-biogeographical variable.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schoener, Thomas W -- Losos, Jonathan B -- Spiller, David A -- New York, N.Y. -- Science. 2005 Dec 16;310(5755):1807-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Evolution and Ecology, University of California, Davis, CA 95616, USA. twschoener@ucdavis.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16357259" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bahamas ; Birds ; *Ecosystem ; Environment ; *Geography ; *Lizards ; Models, Biological ; Models, Statistical ; Plant Development ; *Plants/anatomy & histology ; Population Density ; Population Dynamics ; Predatory Behavior ; *Trees/anatomy & histology/growth & development
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  • 69
    Publication Date: 2005-02-12
    Description: American ginseng is the premier medicinal plant harvested from the wild in the United States. In this study, seven populations of ginseng plants were censused every 3 weeks during the growing season over 5 years to monitor deer browse and harvest and to project population growth and viability. The minimum viable population size was approximately 800 plants, a value greater than that of all populations currently being monitored. When simulated deer browsing rates were reduced 50% or more, population viability rose sharply. Without more effective deer population control, ginseng and many other valuable understory herbs are likely to become extinct in the coming century.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McGraw, James B -- Furedi, Mary Ann -- New York, N.Y. -- Science. 2005 Feb 11;307(5711):920-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Post Office Box 6057, West Virginia University, Morgantown, WV 26506-6057, USA. jmcgraw@wvu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15705851" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Computer Simulation ; *Conservation of Natural Resources ; *Deer ; *Ecosystem ; Feeding Behavior ; Mathematics ; *Panax/growth & development ; Population Density ; Population Dynamics ; Population Growth ; Seasons ; *Trees ; West Virginia
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  • 70
    Publication Date: 2005-01-08
    Description: Deep hypersaline anoxic basins in the Mediterranean Sea are a legacy of dissolution of ancient subterranean salt deposits from the Miocene period. Our study revealed that these hypersaline basins are not biogeochemical dead ends, but support in situ sulfate reduction, methanogenesis, and heterotrophic activity. A wide diversity of prokaryotes was observed, including a new, abundant, deeply branching order within the Euryarchaeota. Furthermore, we demonstrated the presence of a unique, metabolically active microbial community in the Discovery basin, which is one of the most extreme terrestrial saline environments known, as it is almost saturated with MgCl2 (5 M).〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉van der Wielen, Paul W J J -- Bolhuis, Henk -- Borin, Sara -- Daffonchio, Daniele -- Corselli, Cesare -- Giuliano, Laura -- D'Auria, Giuseppe -- de Lange, Gert J -- Huebner, Andreas -- Varnavas, Sotirios P -- Thomson, John -- Tamburini, Christian -- Marty, Danielle -- McGenity, Terry J -- Timmis, Kenneth N -- BioDeep Scientific Party -- New York, N.Y. -- Science. 2005 Jan 7;307(5706):121-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Microbial Ecology, University of Groningen, 9751 NN Haren, Netherlands. paul.van.der.wielen@kiwa.nl〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15637281" target="_blank"〉PubMed〈/a〉
    Keywords: Anaerobiosis ; Archaea/classification/isolation & purification/*physiology ; Bacteria/classification/isolation & purification ; *Bacterial Physiological Phenomena ; Biodiversity ; Cluster Analysis ; *Ecosystem ; Euryarchaeota/classification/isolation & purification/physiology ; Genes, Archaeal ; Genes, Bacterial ; Genes, rRNA ; Magnesium Chloride/analysis ; Mediterranean Sea ; Methane/metabolism ; Molecular Sequence Data ; Oxidation-Reduction ; Phylogeny ; RNA, Ribosomal, 16S/genetics ; Seawater/chemistry/*microbiology ; *Sodium Chloride ; Sulfates/metabolism
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  • 71
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-10-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gramling, Carolyn -- New York, N.Y. -- Science. 2005 Sep 30;309(5744):2146-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16195432" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Conservation of Natural Resources/*legislation & jurisprudence ; *Ecosystem ; Fisheries/*legislation & jurisprudence ; *Fishes ; Oceans and Seas ; United States
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  • 72
    Publication Date: 2005-05-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dale, V H -- Crisafulli, C M -- Swanson, F J -- New York, N.Y. -- Science. 2005 May 13;308(5724):961-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Oak Ridge National Laboratory, Oak Ridge, TN 37831-6036, USA. dalevh@ornl.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15890864" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; Birds ; Conservation of Natural Resources ; *Ecosystem ; Environment ; Fishes ; Food Chain ; Fresh Water ; Human Activities ; Soil ; Time Factors ; Trees ; *Volcanic Eruptions ; Washington
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  • 73
    Publication Date: 2005-03-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Didham, Raphael K -- Ewers, Robert M -- Gemmell, Neil J -- New York, N.Y. -- Science. 2005 Mar 4;307(5714):1412; author reply 1412.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Biological Sciences, University of Canterbury, Private Bag 4800, Christchurch, New Zealand. Raphael.Didham@canterbury.ac.nz.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15746412" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Atlantic Islands ; *Birds ; Caribbean Region ; Conservation of Natural Resources ; *Ecosystem ; *Environment ; Europe ; *Mammals ; Oceania ; Pacific Islands ; Population Dynamics ; Predatory Behavior ; Trees
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  • 74
    Publication Date: 2005-10-01
    Description: The ecological role and biogeochemical relevance of extracellular DNA in the oceanic sediments are unknown. Our global estimates indicate that up to 0.45 gigatons of extracellular DNA are present in the top 10 centimeters of deep-sea sediments, representing the largest reservoir of DNA in the world oceans. We demonstrate that extracellular DNA accounts for about one fifth of the total organic phosphorus regeneration and provides almost half of the prokaryotic demand for organic phosphorus. It therefore plays a key role in deep-sea ecosystem functioning on a global scale.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dell'Anno, Antonio -- Danovaro, Roberto -- New York, N.Y. -- Science. 2005 Sep 30;309(5744):2179.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Marine Science, Faculty of Science, Polytechnic University of Marche, Via Brecce Bianche, 60131 Ancona, Italy.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16195451" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biomass ; Carbon/metabolism ; DNA/*analysis/chemistry/*metabolism ; Deoxyribonucleases/metabolism ; *Ecosystem ; Geologic Sediments/chemistry ; Nitrogen/metabolism ; Oceans and Seas ; Phosphorus/*analysis ; Pigments, Biological/analysis ; Prokaryotic Cells/*metabolism ; *Seawater
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  • 75
    Publication Date: 2005-10-08
    Description: Aquaculture, the farming of shrimp and other useful aquatic and marine plants and animals in artificially confined and tended ponds, pens, and cages, ranks as a phenomenal success story in global food production. In 1975, aquaculture contributed 8% to the overall yield of the world's fish harvest; now it provides more than one-third of the yield. Total aquaculture production in 2003 was 54.8 million metric tons valued at 67.3 billion in U.S. dollars. More than 90% of this output comes from Asia, where aquaculture has its origins and where this month's essay author has lived and worked all of her life. In her essay, Jurgenne H. Primavera, senior scientist of the Aquaculture Department of the Southeast Asian Fisheries Development Center based in Iloilo, Central Philippines, traces the recent history of aquaculture and the socioeconomic and environmental challenges that its rapid growth has wrought, especially for the mangrove ecosystems in which much of brackishwater pond aquaculture occurs. With an eye on all stakeholders, Primavera lays out how aquaculture is now falling short of the goal of sustainability and what steps might be taken to move the industry in that direction.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Primavera, Jurgenne H -- New York, N.Y. -- Science. 2005 Oct 7;310(5745):57-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Aquaculture Department, Southeast Asian Fisheries Development Center, Tigbauan, Iloilo 5021, Philippines. jhprima@aqd.saefdec.org.ph〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16210520" target="_blank"〉PubMed〈/a〉
    Keywords: *Aquaculture/economics/legislation & jurisprudence ; *Avicennia ; *Conservation of Natural Resources/legislation & jurisprudence ; *Ecosystem ; Myrsinaceae ; Philippines ; *Rhizophoraceae ; *Rubiaceae
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  • 76
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-02-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hambler, Clive -- Henderson, Peter A -- Speight, Martin R -- New York, N.Y. -- Science. 2005 Feb 4;307(5710):673-4; author reply 673-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15696621" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Animals ; Australia ; *Conservation of Natural Resources ; Ecology ; *Ecosystem ; *Elephants ; Environment ; Insects ; Population Density
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 77
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-11-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Whitfield, John -- New York, N.Y. -- Science. 2005 Nov 11;310(5750):960-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16284155" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Archaea/classification/genetics/*physiology ; Bacteria/classification/genetics ; *Bacterial Physiological Phenomena ; Biodiversity ; *Ecosystem ; Environment ; Eukaryota/classification/genetics/*physiology ; Fungi/classification/genetics/*physiology ; *Geography ; Phenotype
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  • 78
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-08-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Castilla, Juan C -- Defeo, Omar -- New York, N.Y. -- Science. 2005 Aug 26;309(5739):1324-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16123285" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Conservation of Natural Resources ; *Ecosystem ; Environment ; *Fisheries ; *Fishes ; United States
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  • 79
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-06-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Causey, Billy D -- Andrews, Katherine -- New York, N.Y. -- Science. 2005 Jun 17;308(5729):1740-2; author reply 1740-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15966074" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Anthozoa ; *Conservation of Natural Resources ; *Ecosystem ; Environment ; Fishes ; Florida ; Palinuridae ; Water Pollution/prevention & control
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  • 80
    Publication Date: 2005-05-10
    Description: Using genomic and mass spectrometry-based proteomic methods, we evaluated gene expression, identified key activities, and examined partitioning of metabolic functions in a natural acid mine drainage (AMD) microbial biofilm community. We detected 2033 proteins from the five most abundant species in the biofilm, including 48% of the predicted proteins from the dominant biofilm organism, Leptospirillum group II. Proteins involved in protein refolding and response to oxidative stress appeared to be highly expressed, which suggests that damage to biomolecules is a key challenge for survival. We validated and estimated the relative abundance and cellular localization of 357 unique and 215 conserved novel proteins and determined that one abundant novel protein is a cytochrome central to iron oxidation and AMD formation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ram, Rachna J -- Verberkmoes, Nathan C -- Thelen, Michael P -- Tyson, Gene W -- Baker, Brett J -- Blake, Robert C 2nd -- Shah, Manesh -- Hettich, Robert L -- Banfield, Jillian F -- New York, N.Y. -- Science. 2005 Jun 24;308(5730):1915-20. Epub 2005 May 5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Environmental Science, Policy, and Management, University of California at Berkeley, Berkeley, CA 94720, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15879173" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acids/metabolism ; Archaeal Proteins/*analysis/chemistry ; Bacteria/chemistry/genetics/*metabolism ; Bacterial Proteins/*analysis/chemistry/genetics/physiology ; *Biofilms/growth & development ; Cytochromes/analysis/chemistry ; *Ecosystem ; Gene Expression ; Genes, Archaeal ; Genes, Bacterial ; Genome, Archaeal ; Genome, Bacterial ; Genomics ; Hydrogen-Ion Concentration ; Iron/metabolism ; Isoelectric Point ; Mass Spectrometry ; *Mining ; Molecular Sequence Data ; Oxidation-Reduction ; Protein Biosynthesis ; Protein Folding ; Proteome ; *Proteomics ; Thermoplasmales/chemistry/genetics/*metabolism
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  • 81
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-11-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2005 Nov 25;310(5752):1265.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16311312" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Disasters ; *Ecosystem ; *Fisheries ; Fresh Water ; Louisiana ; *Rivers
    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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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-11-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2005 Nov 25;310(5752):1264-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16311311" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Wild ; Computer Simulation ; *Disasters ; *Ecosystem ; Environment ; Geologic Sediments ; Louisiana ; Rivers ; Water Movements
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  • 83
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-01-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ranta, Esa -- Kaitala, Veijo -- New York, N.Y. -- Science. 2005 Jan 21;307(5708):365-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Integrative Ecology Unit of the Department of Biological and Environmental Sciences, University of Helsinki, FIN-00014 Helsinki, Finland. esa.ranta@helsinki.fi〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15661998" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Behavior, Animal ; *Ecosystem ; Female ; *Lions/physiology ; Male ; Population Density ; Population Dynamics ; Predatory Behavior ; Reproduction ; Social Behavior ; Tanzania ; *Territoriality
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  • 84
    Publication Date: 2005-04-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Avasthi, Amitabh -- New York, N.Y. -- Science. 2005 Apr 22;308(5721):487-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15845821" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; California ; *Conservation of Natural Resources ; *Ecosystem ; Environment ; Fisheries ; *Fishes ; Marine Biology ; *Seawater
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  • 85
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-10-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2005 Sep 30;309(5744):2150-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16195438" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Budgets ; Conservation of Natural Resources/economics/*legislation & jurisprudence ; Costs and Cost Analysis ; *Ecosystem ; Environment ; Federal Government ; Population Density ; Public Policy ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 86
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-07-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2005 Jul 22;309(5734):546-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16040680" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture ; Animals ; Biodiversity ; Body Weight ; *Conservation of Natural Resources ; *Ecosystem ; Environment ; *Mammals ; Population Density ; Population Dynamics ; Risk Factors
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  • 87
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-07-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2005 Jul 1;309(5731):102.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15994548" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture ; Animals ; Biotechnology ; Climate ; Conservation of Natural Resources ; *Ecosystem ; *Environment ; Forecasting ; Humans ; *Population Growth ; Socioeconomic 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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  • 88
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-07-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2005 Jul 1;309(5731):35.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15994497" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Behavior, Animal ; Computer Simulation ; Conservation of Natural Resources ; *Ecosystem ; *Environment ; *Flight, Animal ; Models, Biological ; Myrica ; Passeriformes/*physiology ; Pinus ; *Seeds ; South Carolina ; Trees
    Print ISSN: 0036-8075
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  • 89
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-01-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Xian, Weiwei -- Kang, Bin -- Liu, Ruiyu -- New York, N.Y. -- Science. 2005 Jan 7;307(5706):41.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15637253" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; China ; *Ecosystem ; Fisheries ; Fishes ; *Rivers ; Scyphozoa/*growth & development ; Seasons ; Seawater
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  • 90
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-04-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2005 Apr 1;308(5718):42.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15802580" target="_blank"〉PubMed〈/a〉
    Keywords: Climate ; Commerce ; Computer Simulation ; Conservation of Natural Resources ; Developed Countries ; Developing Countries ; *Ecology ; *Ecosystem ; *Environment ; Humans ; *Public Policy
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  • 91
    Publication Date: 2005-04-16
    Description: A global overview of dam-based impacts on large river systems shows that over half (172 out of 292) are affected by dams, including the eight most biogeographically diverse. Dam-impacted catchments experience higher irrigation pressure and about 25 times more economic activity per unit of water than do unaffected catchments. In view of projected changes in climate and water resource use, these findings can be used to identify ecological risks associated with further impacts on large river systems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nilsson, Christer -- Reidy, Catherine A -- Dynesius, Mats -- Revenga, Carmen -- New York, N.Y. -- Science. 2005 Apr 15;308(5720):405-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Landscape Ecology Group, Department of Ecology and Environmental Science, Umea University, SE-901 87 Umea, Sweden. christer.nilsson@emg.umu.se〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15831757" target="_blank"〉PubMed〈/a〉
    Keywords: Biodiversity ; *Ecosystem ; Geography ; Human Activities ; *Rivers ; Trees ; Water Movements
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  • 92
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-04-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2005 Apr 1;308(5718):41-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15802579" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; Conservation of Natural Resources ; Costs and Cost Analysis ; Developed Countries ; Developing Countries ; *Ecology/methods ; *Ecosystem ; *Environment ; Eutrophication ; Fisheries ; Humans ; International Cooperation ; Poverty ; Public Policy ; Trees
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  • 93
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-09-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2005 Sep 16;309(5742):1806.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16166492" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Conservation of Natural Resources ; *Ecosystem ; *Fisheries ; *Fishes/physiology ; Iran ; Oceans and Seas ; Population Density
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  • 94
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-09-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2005 Sep 16;309(5742):1805-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16166491" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biomass ; *Ctenophora/growth & development/physiology ; *Ecosystem ; Feeding Behavior ; Fisheries ; Fishes ; Food Chain ; International Cooperation ; Iran ; Oceans and Seas ; *Pest Control, Biological ; Population Dynamics ; *Zooplankton
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  • 95
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-09-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fenchel, Tom -- Finlay, Bland J -- New York, N.Y. -- Science. 2005 Sep 23;309(5743):1997-9; author reply 1997-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16179459" target="_blank"〉PubMed〈/a〉
    Keywords: Anaerobiosis ; Bacteria/classification/genetics/*growth & development ; *Biodiversity ; *Ecosystem ; Environment ; Fagus/microbiology ; Water Microbiology
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  • 96
    Publication Date: 2005-07-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Safina, Carl -- Rosenberg, Andrew A -- Myers, Ransom A -- Quinn, Terrance J 2nd -- Collie, Jeremy S -- New York, N.Y. -- Science. 2005 Jul 29;309(5735):707-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Marine Sciences Research Center, Stony Brook University, Stony Brook NY 11794, USA. csafina@blueocean.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16051773" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Conservation of Natural Resources/*legislation & jurisprudence ; *Ecosystem ; Fisheries/*legislation & jurisprudence ; *Fishes ; Guidelines as Topic ; Oceans and Seas ; Population Dynamics ; *Seawater ; United States ; United States Government Agencies
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  • 97
    Publication Date: 2005-08-16
    Description: Phosphate addition to surface waters of the ultraoligotrophic, phosphorus-starved eastern Mediterranean in a Lagrangian experiment caused unexpected ecosystem responses. The system exhibited a decline in chlorophyll and an increase in bacterial production and copepod egg abundance. Although nitrogen and phosphorus colimitation hindered phytoplankton growth, phosphorous may have been transferred through the microbial food web to copepods via two, not mutually exclusive, pathways: (i) bypass of the phytoplankton compartment by phosphorus uptake in heterotrophic bacteria and (ii) tunnelling, whereby phosphate luxury consumption rapidly shifts the stoichiometric composition of copepod prey. Copepods may thus be coupled to lower trophic levels through interactions not usually considered.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thingstad, T F -- Krom, M D -- Mantoura, R F C -- Flaten, G A F -- Groom, S -- Herut, B -- Kress, N -- Law, C S -- Pasternak, A -- Pitta, P -- Psarra, S -- Rassoulzadegan, F -- Tanaka, T -- Tselepides, A -- Wassmann, P -- Woodward, E M S -- Riser, C Wexels -- Zodiatis, G -- Zohary, T -- New York, N.Y. -- Science. 2005 Aug 12;309(5737):1068-71.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of Bergen, Bergen, Norway. frede.thingstad@bio.uib.no〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16099984" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bacteria/*growth & development/metabolism ; Biomass ; Carbon/analysis ; Chlorophyll/analysis ; Ciliophora/growth & development/metabolism ; Copepoda/metabolism/*physiology ; Diffusion ; *Ecosystem ; *Food Chain ; Mediterranean Sea ; Nitrates/analysis/metabolism ; Nitrogen/analysis ; Nitrogen Fixation ; Phosphates/analysis/*metabolism ; Phosphorus/analysis ; Phytoplankton/*growth & development ; Quaternary Ammonium Compounds/metabolism ; Seasons ; Synechococcus/metabolism ; Zooplankton/growth & development/metabolism
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  • 98
    Publication Date: 2005-04-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mayer, Audrey L -- Kauppi, Pekka E -- Angelstam, Per K -- Zhang, Yu -- Tikka, Paivi M -- New York, N.Y. -- Science. 2005 Apr 15;308(5720):359-60.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉U.S. Environmental Protection Agency, Office of Research and Development, National Risk Management Research Laboratory; Cincinnati, OH 45268, USA. mayer.audrey@epa.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15831743" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; China ; *Commerce ; *Conservation of Natural Resources ; *Ecosystem ; Finland ; Internationality ; Russia ; *Trees ; *Wood
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  • 99
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-02-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pala, Christopher -- New York, N.Y. -- Science. 2005 Feb 18;307(5712):1033.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15718444" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Ecosystem ; History, 20th Century ; History, 21st Century ; Kazakhstan ; Oceans and Seas ; Research Support as Topic ; *Seawater ; *Sodium Chloride ; Ussr ; Uzbekistan
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-05-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Boersma, P Dee -- Vargas, Hernan -- Merlen, Godfrey -- New York, N.Y. -- Science. 2005 May 13;308(5724):925.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15890846" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; Biological Evolution ; *Conservation of Natural Resources/legislation & jurisprudence ; *Ecosystem ; Ecuador ; Emigration and Immigration/legislation & jurisprudence ; Fisheries ; Humans ; *Population Growth ; Travel
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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