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  • Population Dynamics  (252)
  • American Association for the Advancement of Science (AAAS)  (252)
  • 2005-2009  (252)
  • 1970-1974
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  • 1
    Publication Date: 2006-12-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pounds, J Alan -- Carnaval, Ana Carolina -- Puschendorf, Robert -- Haddad, Celio F B -- Masters, Karen L -- New York, N.Y. -- Science. 2006 Dec 8;314(5805):1541-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17158306" target="_blank"〉PubMed〈/a〉
    Keywords: *Amphibians ; Animals ; Biodiversity ; Chytridiomycota ; Conservation of Natural Resources ; *Ecosystem ; *Environment ; Greenhouse Effect ; Mycoses/veterinary ; Population Dynamics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2006-01-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Steneck, Robert S -- New York, N.Y. -- Science. 2006 Jan 27;311(5760):480-1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Marine Sciences, University of Maine, Darling Marine Center, Walpole, ME 04573, USA. steneck@maine.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16439653" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Anthozoa ; Caribbean Region ; Computer Simulation ; Conservation of Natural Resources ; *Ecosystem ; Fishes/growth & development/*physiology ; Larva/physiology ; Models, Biological ; Population Dynamics ; *Seawater ; *Swimming ; Water Movements
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
    Publication Date: 2006-08-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Crowder, L B -- Osherenko, G -- Young, O R -- Airame, S -- Norse, E A -- Baron, N -- Day, J C -- Douvere, F -- Ehler, C N -- Halpern, B S -- Langdon, S J -- McLeod, K L -- Ogden, J C -- Peach, R E -- Rosenberg, A A -- Wilson, J A -- New York, N.Y. -- Science. 2006 Aug 4;313(5787):617-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Marine Conservation, Nicholas School of the Environment and Earth Sciences, Duke University Marine Laboratory, Beaufort, NC 28516, USA. lcrowder@duke.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16888124" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; *Conservation of Natural Resources ; *Ecosystem ; Environment ; Fisheries ; Fishes ; *Government Regulation ; *Marine Biology ; Oceans and Seas ; Population Dynamics ; Seawater ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2006-11-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2006 Nov 3;314(5800):745.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17082432" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; Biomass ; Conservation of Natural Resources ; *Ecosystem ; *Fisheries ; *Fishes ; Forecasting ; Oceans and Seas ; *Plants ; Population Dynamics ; Seafood ; Seawater ; Water Pollution
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
    Publication Date: 2006-10-21
    Description: Dey and Joshi (Reports, 21 April 2006, p. 434) studied replicate laboratory populations of Drosophila and reported that low migration led to asynchrony among subpopulations. We argue that this unexpected outcome may be due to variation in the initial size of the subpopulations and uncontrolled stochasticity in the experiments.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ranta, Esa -- Kaitala, Veijo -- New York, N.Y. -- Science. 2006 Oct 20;314(5798):420; author reply 420.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Integrative Ecology Unit, Department of Biological and Environmental Sciences, P.O. Box 65 (Viikinkaari 1), FIN-00014 University of Helsinki, Finland. esa.ranta@helsinki.fi〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17053132" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Migration ; Animals ; Computer Simulation ; Drosophila melanogaster/*physiology ; Models, Biological ; Population Dynamics ; Population Growth ; Stochastic Processes
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2006-12-13
    Description: Humans behave altruistically in natural settings and experiments. A possible explanation-that groups with more altruists survive when groups compete-has long been judged untenable on empirical grounds for most species. But there have been no empirical tests of this explanation for humans. My empirical estimates show that genetic differences between early human groups are likely to have been great enough so that lethal intergroup competition could account for the evolution of altruism. Crucial to this process were distinctive human practices such as sharing food beyond the immediate family, monogamy, and other forms of reproductive leveling. These culturally transmitted practices presuppose advanced cognitive and linguistic capacities, possibly accounting for the distinctive forms of altruism found in our species.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bowles, Samuel -- New York, N.Y. -- Science. 2006 Dec 8;314(5805):1569-72.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Santa Fe Institute, 1399 Hyde Park Road, Santa Fe, NM 87501, USA, and Universita di Siena, 17 Piazza San Francesco, Siena, Italy. bowles@santafe.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17158320" target="_blank"〉PubMed〈/a〉
    Keywords: *Altruism ; Archaeology ; *Biological Evolution ; Climate ; *Competitive Behavior ; Cultural Evolution ; Genetic Variation ; Genetics, Population ; *Group Processes ; Humans ; Mathematics ; Models, Theoretical ; Population Dynamics ; *Reproduction ; Selection, Genetic ; Violence ; Warfare
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
    Publication Date: 2006-04-22
    Description: Given the considerable challenges to the rapid development of an effective vaccine against influenza, antiviral agents will play an important role as a first-line defense if a new pandemic occurs. The large-scale use of drugs for chemoprophylaxis and treatment will impose strong selection for the evolution of drug-resistant strains. The ensuing transmission of those strains could substantially limit the effectiveness of the drugs as a first-line defense. Summarizing recent data on the rate at which the treatment of influenza infection generates resistance de novo and on the transmission fitness of resistant virus, we discuss possible implications for the epidemiological spread of drug resistance in the context of an established population dynamic model.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Regoes, Roland R -- Bonhoeffer, Sebastian -- New York, N.Y. -- Science. 2006 Apr 21;312(5772):389-91.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Integrative Biology, ETH Zurich, ETH Zentrum CHN K12.1, Universitatsstrasse 16, CH 8092 Zurich, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16627735" target="_blank"〉PubMed〈/a〉
    Keywords: Acetamides/pharmacology/therapeutic use ; Amantadine/pharmacology/therapeutic use ; Antiviral Agents/*pharmacology/*therapeutic use ; Computer Simulation ; Disease Outbreaks ; *Drug Resistance, Viral/genetics ; Humans ; Influenza A virus/*drug effects/genetics/pathogenicity ; Influenza, Human/*drug therapy/epidemiology/*prevention & control/virology ; Mathematics ; Models, Biological ; Mutation ; Neuraminidase/antagonists & inhibitors ; Orthomyxoviridae/*drug effects/genetics/pathogenicity ; Oseltamivir ; Population Dynamics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
    Publication Date: 2006-01-28
    Description: An ecological community's species diversity tends to erode through time as a result of stochastic extinction, competitive exclusion, and unstable host-enemy dynamics. This erosion of diversity can be prevented over the short term if recruits are highly diverse as a result of preferential recruitment of rare species or, alternatively, if rare species survive preferentially, which increases diversity as the ages of the individuals increase. Here, we present census data from seven New and Old World tropical forest dynamics plots that all show the latter pattern. Within local areas, the trees that survived were as a group more diverse than those that were recruited or those that died. The larger (and therefore on average older) survivors were more diverse within local areas than the smaller survivors. When species were rare in a local area, they had a higher survival rate than when they were common, resulting in enrichment for rare species and increasing diversity with age and size class in these complex ecosystems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wills, Christopher -- Harms, Kyle E -- Condit, Richard -- King, David -- Thompson, Jill -- He, Fangliang -- Muller-Landau, Helene C -- Ashton, Peter -- Losos, Elizabeth -- Comita, Liza -- Hubbell, Stephen -- Lafrankie, James -- Bunyavejchewin, Sarayudh -- Dattaraja, H S -- Davies, Stuart -- Esufali, Shameema -- Foster, Robin -- Gunatilleke, Nimal -- Gunatilleke, Savitri -- Hall, Pamela -- Itoh, Akira -- John, Robert -- Kiratiprayoon, Somboon -- de Lao, Suzanne Loo -- Massa, Marie -- Nath, Cheryl -- Noor, Md Nur Supardi -- Kassim, Abdul Rahman -- Sukumar, Raman -- Suresh, Hebbalalu Satyanarayana -- Sun, I-Fang -- Tan, Sylvester -- Yamakura, Takuo -- Zimmerman, Jess -- New York, N.Y. -- Science. 2006 Jan 27;311(5760):527-31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biological Sciences, University of California, San Diego, La Jolla, CA 92093-0116, USA. cwills@ucsd.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16439661" target="_blank"〉PubMed〈/a〉
    Keywords: *Biodiversity ; *Ecosystem ; Population Density ; Population Dynamics ; *Trees/growth & development ; Tropical Climate
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2006-03-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Green, Rhys E -- New York, N.Y. -- Science. 2006 Mar 10;311(5766):1378.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16527954" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Domestic ; Anti-Inflammatory Agents, Non-Steroidal/poisoning ; Asia ; Diclofenac/*poisoning ; *Falconiformes ; Food Chain ; India ; Population Dynamics ; Thiazines/pharmacology ; Thiazoles/pharmacology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
    Publication Date: 2006-03-11
    Description: Until recently, northern Bering Sea ecosystems were characterized by extensive seasonal sea ice cover, high water column and sediment carbon production, and tight pelagic-benthic coupling of organic production. Here, we show that these ecosystems are shifting away from these characteristics. Changes in biological communities are contemporaneous with shifts in regional atmospheric and hydrographic forcing. In the past decade, geographic displacement of marine mammal population distributions has coincided with a reduction of benthic prey populations, an increase in pelagic fish, a reduction in sea ice, and an increase in air and ocean temperatures. These changes now observed on the shallow shelf of the northern Bering Sea should be expected to affect a much broader portion of the Pacific-influenced sector of the Arctic Ocean.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Grebmeier, Jacqueline M -- Overland, James E -- Moore, Sue E -- Farley, Ed V -- Carmack, Eddy C -- Cooper, Lee W -- Frey, Karen E -- Helle, John H -- McLaughlin, Fiona A -- McNutt, S Lyn -- New York, N.Y. -- Science. 2006 Mar 10;311(5766):1461-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Marine Biogeochemistry and Ecology Group, Department of Ecology and Evolutionary Biology, 10515 Research Drive, Building A, Suite 100, University of Tennessee, Knoxville, TN 37932, USA. jgrebmei@utk.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16527980" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arctic Regions ; Ducks ; *Ecosystem ; Fishes ; Geologic Sediments/chemistry ; *Ice Cover ; Oxygen/analysis ; Pacific Ocean ; Population Dynamics ; Temperature ; Walruses ; Whales
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 11
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2006-08-12
    Description: Long-distance dispersal (LDD) of plants poses challenges to research because it involves rare events driven by complex and highly stochastic processes. The current surge of renewed interest in LDD, motivated by growing recognition of its critical importance for natural populations and communities and for humanity, promises an improved, quantitatively derived understanding of LDD. To gain deep insights into the patterns, mechanisms, causes, and consequences of LDD, we must look beyond the standard dispersal vectors and the mean trend of the distribution of dispersal distances. "Nonstandard" mechanisms such as extreme climatic events and generalized LDD vectors seem to hold the greatest explanatory power for the drastic deviations from the mean trend, deviations that make the nearly impossible LDD a reality.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nathan, Ran -- New York, N.Y. -- Science. 2006 Aug 11;313(5788):786-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Movement Ecology Laboratory, Department of Evolution, Systematics and Ecology, Alexander Silberman Institute of Life Sciences, Hebrew University of Jerusalem, Givat Ram, 91904 Jerusalem, Israel. rnathan@cc.huji.ac.il〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16902126" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; *Ecosystem ; *Environment ; Humans ; Models, Biological ; *Plants ; Pollen ; Population Dynamics ; Probability ; *Seeds ; Selection, Genetic ; Stochastic Processes ; Water Movements ; *Weather ; Wind
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 12
    Publication Date: 2006-04-22
    Description: Very few experimental studies have examined how migration rate affects metapopulation dynamics and stability. We studied the dynamics of replicate laboratory metapopulations of Drosophila under different migration rates. Low migration stabilized metapopulation dynamics, while promoting unstable subpopulation dynamics, by inducing asynchrony among neighboring subpopulations. High migration synchronized subpopulation dynamics, thereby destabilizing the metapopulations. Contrary to some theoretical predictions, increased migration did not affect average population size. Simulations based on a simple non-species-specific population growth model captured most features of the data, which suggests that our results are generalizable.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dey, Sutirth -- Joshi, Amitabh -- New York, N.Y. -- Science. 2006 Apr 21;312(5772):434-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Evolutionary Biology Laboratory, Evolutionary & Organismal Biology Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur P.O., Bangalore 560 064, India.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16627743" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Migration ; Animals ; Computer Simulation ; Drosophila melanogaster/*physiology ; Models, Biological ; Population Density ; Population Dynamics ; Population Growth
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    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 13
    Publication Date: 2006-02-25
    Description: Sibly et al. (Reports, 22 July 2005, p. 607) recently estimated the relationship between population size and growth rate for 1780 time series of various species. I explain why some aspects of their analysis are questionable and, therefore, why their results and estimation procedure should be used with care.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ross, Joshua V -- New York, N.Y. -- Science. 2006 Feb 24;311(5764):1100; author reply 1100.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Mathematics, University of Queensland, St. Lucia, QLD 4072, Australia. jvr@maths.uq.edu.au〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16497916" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Birds ; Conservation of Natural Resources ; Ecosystem ; *Fishes ; *Insects ; Logistic Models ; *Mammals ; Mathematics ; Models, Biological ; Population Density ; Population Dynamics ; Population Growth ; Regression Analysis
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 14
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2006-03-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2006 Mar 10;311(5766):1364-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16527940" target="_blank"〉PubMed〈/a〉
    Keywords: Archaeology ; Cambodia ; Cities/*history ; Conservation of Natural Resources ; Environment ; History, Medieval ; Population Dynamics ; Sanitary Engineering/history ; Trees ; Water Supply
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 15
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2006-10-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marshall, Charles R -- New York, N.Y. -- Science. 2006 Oct 6;314(5796):66-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Departments of Organismic and Evolutionary Biology and Earth and Planetary Sciences, Harvard University, 26 Oxford Street Cambridge, MA 02138, USA. cmarshal@oeb.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17023640" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; *Biological Evolution ; *Bivalvia/anatomy & histology/classification ; *Fossils ; Geography ; Phylogeny ; Population Dynamics ; *Tropical Climate
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    Electronic ISSN: 1095-9203
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  • 16
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2006-09-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zuckerman, Ben -- New York, N.Y. -- Science. 2006 Sep 29;313(5795):1885-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17008509" target="_blank"〉PubMed〈/a〉
    Keywords: *Birth Rate ; *Conservation of Natural Resources ; *Developed Countries ; *Environment ; Humans ; Population Dynamics ; *Population Growth
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  • 17
    Publication Date: 2006-08-12
    Description: Harvesting threatens many vertebrate species, yet few whole-system manipulations have been conducted to predict the consequences of vertebrate losses on ecosystem function. Here, we show that a harvested migratory detrital-feeding fish (Prochilodontidae: Prochilodus mariae) modulates carbon flow and ecosystem metabolism. Natural declines in and experimental removal of Prochilodus decreased downstream transport of organic carbon and increased primary production and respiration. Thus, besides its economic value, Prochilodus is a critical ecological component of South American rivers. Lack of functional redundancy for this species highlights the importance of individual species and, contrary to theory, suggests that losing one species from lower trophic levels can affect ecosystem functioning even in species-rich ecosystems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Taylor, Brad W -- Flecker, Alexander S -- Hall, Robert O Jr -- New York, N.Y. -- Science. 2006 Aug 11;313(5788):833-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Zoology and Physiology, University of Wyoming, Laramie, WY 82071, USA. brad.taylor@dartmouth.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16902137" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Migration ; Animals ; Biofilms ; Biomass ; Body Size ; Carbon/*metabolism ; Conservation of Natural Resources ; *Ecosystem ; Feeding Behavior ; *Fisheries ; Fishes/anatomy & histology/*physiology ; Food Chain ; Population Dynamics ; *Rivers ; Seasons ; South America ; Tropical Climate
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 18
    Publication Date: 2006-02-04
    Description: Until now, continental shelf environments have been monitored with highly localized line-transect methods from slow-moving research vessels. These methods significantly undersample fish populations in time and space, leaving an incomplete and ambiguous record of abundance and behavior. We show that fish populations in continental shelf environments can be instantaneously imaged over thousands of square kilometers and continuously monitored by a remote sensing technique in which the ocean acts as an acoustic waveguide. The technique has revealed the instantaneous horizontal structural characteristics and volatile short-term behavior of very large fish shoals, containing tens of millions of fish and stretching for many kilometers.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Makris, Nicholas C -- Ratilal, Purnima -- Symonds, Deanelle T -- Jagannathan, Srinivasan -- Lee, Sunwoong -- Nero, Redwood W -- New York, N.Y. -- Science. 2006 Feb 3;311(5761):660-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Ocean Science and Engineering, Department of Mechanical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA. makris@mit.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16456080" target="_blank"〉PubMed〈/a〉
    Keywords: Acoustics ; Animals ; Atlantic Ocean ; Behavior, Animal ; Ecosystem ; *Fishes ; Oceanography ; Population Density ; Population Dynamics ; *Seawater ; Time
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  • 19
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2006-11-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Enserink, Martin -- Vogel, Gretchen -- New York, N.Y. -- Science. 2006 Nov 3;314(5800):746-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17082433" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Migration ; Animals ; Animals, Domestic ; *Animals, Wild ; Behavior, Animal ; *Carnivora/genetics/physiology ; *Conservation of Natural Resources ; Ecosystem ; Europe ; Humans ; Population Dynamics ; Public Opinion ; Ursidae
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  • 20
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2006-08-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holden, Constance -- New York, N.Y. -- Science. 2006 Aug 11;313(5788):779-82.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16902122" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Migration ; Animals ; Behavior, Animal ; Computer Simulation ; *Ecology ; Flight, Animal ; Humans ; Models, Biological ; *Movement ; Plant Physiological Phenomena ; Population Dynamics ; Wind
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2006-07-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Balter, Michael -- New York, N.Y. -- Science. 2006 Jun 30;312(5782):1894-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16809522" target="_blank"〉PubMed〈/a〉
    Keywords: Aging ; *Birth Rate ; *Developed Countries ; Developing Countries ; Emigration and Immigration ; Family Characteristics ; Female ; Humans ; Male ; Parental Leave ; Population Dynamics ; *Population Growth ; Pregnancy ; Public Policy ; *Reproductive Behavior
    Print ISSN: 0036-8075
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  • 22
    Publication Date: 2007-03-17
    Description: Population dynamics and evolutionary change are linked by the fundamental biological processes of birth and death. This means that population growth may correlate with the strength of selection, whereas evolutionary change can leave an ecological signature. We decompose population growth in an age-structured population into contributions from variation in a quantitative trait. We report that the distribution of body sizes within a population of Soay sheep can markedly influence population dynamics, accounting for up to one-fifth of observed population growth. Our results suggest that there is substantial opportunity for evolutionary dynamics to leave an ecological signature and visa versa.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pelletier, Fanie -- Clutton-Brock, Tim -- Pemberton, Josephine -- Tuljapurkar, Shripad -- Coulson, Tim -- P01 AG 22500/AG/NIA NIH HHS/ -- P01 AG022500/AG/NIA NIH HHS/ -- P01 AG022500-04/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 2007 Mar 16;315(5818):1571-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biology and the Natural Environment Research Council (NERC) Centre for Population Biology, Imperial College London, Silwood Park, Ascot, Berkshire, SL5 7PY, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17363672" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Birth Weight ; Body Size/genetics ; Body Weight/genetics ; Ecology ; Environment ; Female ; *Genetic Variation ; Hindlimb/anatomy & histology ; Male ; Mathematics ; Population Dynamics ; Population Growth ; *Quantitative Trait, Heritable ; Scotland ; *Selection, Genetic ; *Sheep/anatomy & histology/genetics/growth & development ; Weather
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  • 23
    Publication Date: 2006-01-10
    Description: It is currently unclear whether observed pelagic ecosystem responses to ocean warming, such as a mid-1970s change in the eastern North Pacific, depart from typical ocean variability. We report variations in planktonic foraminifera from varved sediments off southern California spanning the past 1400 years. Increasing abundances of tropical/subtropical species throughout the 20th century reflect a warming trend superimposed on decadal-scale fluctuations. Decreasing abundances of temperate/subpolar species in the late 20th century indicate a deep, penetrative warming not observed in previous centuries. These results imply that 20th-century warming, apparently anthropogenic, has already affected lower trophic levels of the California Current.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Field, David B -- Baumgartner, Timothy R -- Charles, Christopher D -- Ferreira-Bartrina, Vicente -- Ohman, Mark D -- New York, N.Y. -- Science. 2006 Jan 6;311(5757):63-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Scripps Institution of Oceanography, University of California, San Diego, La Jolla, CA 92093, USA. dfield@mbari.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16400144" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; California ; *Climate ; *Ecosystem ; Environment ; *Eukaryota/classification ; *Geologic Sediments ; Greenhouse Effect ; Population Density ; Population Dynamics ; Principal Component Analysis ; Seasons ; Temperature ; Time Factors ; *Zooplankton/classification
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  • 24
    Publication Date: 2006-08-12
    Description: The pattern of dispersal of biologically and behaviorally modern human populations from their African origins to the rest of the occupied world between approximately 60,000 and 40,000 years ago is at present a topic of lively debate, centering principally on the issue of single versus multiple dispersals. Here I argue that the archaeological and genetic evidence points to a single successful dispersal event, which took genetically and culturally modern populations fairly rapidly across southern and southeastern Asia into Australasia, and with only a secondary and later dispersal into Europe.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mellars, Paul -- New York, N.Y. -- Science. 2006 Aug 11;313(5788):796-800.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Archaeology, Cambridge University, Cambridge CB2 3DZ, UK. pam59@cam.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16902130" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; *Archaeology ; Asia ; Australia ; Chromosomes, Human, Y ; Continental Population Groups/genetics/*history ; DNA, Mitochondrial ; *Emigration and Immigration ; Europe ; Founder Effect ; Genetics, Population ; History, Ancient ; Humans ; Population Dynamics ; Time
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  • 25
    Publication Date: 2006-07-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mendelson, Joseph R 3rd -- Lips, Karen R -- Gagliardo, Ronald W -- Rabb, George B -- Collins, James P -- Diffendorfer, James E -- Daszak, Peter -- Ibanez D, Roberto -- Zippel, Kevin C -- Lawson, Dwight P -- Wright, Kevin M -- Stuart, Simon N -- Gascon, Claude -- da Silva, Helio R -- Burrowes, Patricia A -- Joglar, Rafael L -- La Marca, Enrique -- Lotters, Stefan -- du Preez, Louis H -- Weldon, Che -- Hyatt, Alex -- Rodriguez-Mahecha, Jose Vicente -- Hunt, Susan -- Robertson, Helen -- Lock, Brad -- Raxworthy, Christopher J -- Frost, Darrel R -- Lacy, Robert C -- Alford, Ross A -- Campbell, Jonathan A -- Parra-Olea, Gabriela -- Bolanos, Federico -- Domingo, Jose Joaquin Calvo -- Halliday, Tim -- Murphy, James B -- Wake, Marvalee H -- Coloma, Luis A -- Kuzmin, Sergius L -- Price, Mark Stanley -- Howell, Kim M -- Lau, Michael -- Pethiyagoda, Rohan -- Boone, Michelle -- Lannoo, Michael J -- Blaustein, Andrew R -- Dobson, Andy -- Griffiths, Richard A -- Crump, Martha L -- Wake, David B -- Brodie, Edmund D Jr -- New York, N.Y. -- Science. 2006 Jul 7;313(5783):48.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Zoo Atlanta, 800 Cherokee Avenue SE, Atlanta, GA 30315, USA. jmendelson@zooatlanta.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16825553" target="_blank"〉PubMed〈/a〉
    Keywords: *Amphibians ; Animals ; *Biodiversity ; Chytridiomycota ; Conservation of Natural Resources ; Ecosystem ; *International Agencies ; International Cooperation ; Mycoses/veterinary ; Population Dynamics
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-02-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Walther, Gian-Reto -- New York, N.Y. -- Science. 2007 Feb 2;315(5812):606-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Plant Ecology, University of Bayreuth, 95440 Bayreuth, Germany. gian-reto.walther@uni-bayreuth.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17272708" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; California ; *Climate ; *Ecosystem ; *Invertebrates/physiology ; *Plant Development ; Poaceae/growth & development ; Population Dynamics ; Rain ; Research Design ; Seasons ; Time Factors
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  • 27
    Publication Date: 2006-09-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koenig, Robert -- New York, N.Y. -- Science. 2006 Sep 22;313(5794):1724-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16990528" target="_blank"〉PubMed〈/a〉
    Keywords: Africa, Eastern/epidemiology ; Animals ; *Animals, Wild ; Bacterial Toxins/analysis/toxicity ; Behavior, Animal ; Bird Diseases/*epidemiology ; *Birds ; *Conservation of Natural Resources ; Cyanobacteria ; *Ecosystem ; Feeding Behavior ; Fresh Water ; Hydrogen-Ion Concentration ; Population Density ; Population Dynamics ; Temperature
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2006-07-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2006 Jul 14;313(5784):156.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16840668" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Beak/*anatomy & histology ; *Biological Evolution ; Competitive Behavior ; Diet ; Disasters ; Ecosystem ; Ecuador ; Feeding Behavior ; *Finches/anatomy & histology/physiology ; *Food ; Population Dynamics ; *Seeds ; *Selection, Genetic
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  • 29
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2006-03-11
    Description: Easter Island (Rapa Nui) provides a model of human-induced environmental degradation. A reliable chronology is central to understanding the cultural, ecological, and demographic processes involved. Radiocarbon dates for the earliest stratigraphic layers at Anakena, Easter Island, and analysis of previous radiocarbon dates imply that the island was colonized late, about 1200 A.D. Substantial ecological impacts and major cultural investments in monumental architecture and statuary thus began soon after initial settlement.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hunt, Terry L -- Lipo, Carl P -- New York, N.Y. -- Science. 2006 Mar 17;311(5767):1603-6. Epub 2006 Mar 9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anthropology, University of Hawai'i Manoa, 2424 Maile Way, Honolulu, HI 96822, USA. thunt@hawaii.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16527931" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Anthropology ; Anthropology, Cultural ; Conservation of Natural Resources ; Ecosystem ; Emigration and Immigration/*history ; *Environment ; History, Ancient ; Humans ; Plants ; Polynesia ; Population Density ; Population Dynamics ; Population Growth
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  • 30
    Publication Date: 2007-02-27
    Description: The Clovis complex is considered to be the oldest unequivocal evidence of humans in the Americas, dating between 11,500 and 10,900 radiocarbon years before the present (14C yr B.P.). Adjusted 14C dates and a reevaluation of the existing Clovis date record revise the Clovis time range to 11,050 to 10,800 14C yr B.P. In as few as 200 calendar years, Clovis technology originated and spread throughout North America. The revised age range for Clovis overlaps non-Clovis sites in North and South America. This and other evidence imply that humans already lived in the Americas before Clovis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Waters, Michael R -- Stafford, Thomas W Jr -- New York, N.Y. -- Science. 2007 Feb 23;315(5815):1122-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Departments of Anthropology and Geography, Center for the Study of the First Americans, Texas A&M University, 4352 TAMU, College Station, TX 77843-4352, USA. mwaters@tamu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17322060" target="_blank"〉PubMed〈/a〉
    Keywords: *Archaeology ; *Culture ; Emigration and Immigration ; History, Ancient ; Humans ; North America ; Population Dynamics ; South America ; Time
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  • 31
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-07-07
    Description: Understanding the relationship between diversity and stability requires a knowledge of how species interact with each other and how each is affected by the environment. The relationship is also complex, because the concept of stability is multifaceted; different types of stability describing different properties of ecosystems lead to multiple diversity-stability relationships. A growing number of empirical studies demonstrate positive diversity-stability relationships. These studies, however, have emphasized only a few types of stability, and they rarely uncover the mechanisms responsible for stability. Because anthropogenic changes often affect stability and diversity simultaneously, diversity-stability relationships cannot be understood outside the context of the environmental drivers affecting both. This shifts attention away from diversity-stability relationships toward the multiple factors, including diversity, that dictate the stability of ecosystems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ives, Anthony R -- Carpenter, Stephen R -- New York, N.Y. -- Science. 2007 Jul 6;317(5834):58-62.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Zoology, University of Wisconsin, Madison, WI 53706, USA. arives@wisc.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17615333" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; *Ecosystem ; Environment ; Extinction, Biological ; Models, Biological ; Population Dynamics
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  • 32
    Publication Date: 2007-11-17
    Description: In the time between speciation and extinction, a species' ecological and biogeographic footprint-its occupancy-will vary in response to macroecological drivers and historical contingencies. Despite their importance for understanding macroecological processes, general patterns of long-term species occupancy remain largely unknown. We documented the occupancy histories of Cenozoic marine mollusks from New Zealand. For both genera and species, these show a distinct pattern of increase to relatively short-lived peak occupancy at mid-duration, followed by a decline toward extinction. Thus, species at greatest risk for extinction are those that have already been in decline for a substantial period of time. This pattern of protracted rise and fall stands in contrast to that of incumbency, insofar as species show no general tendency to stay near maximal occupancy once established.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Foote, Michael -- Crampton, James S -- Beu, Alan G -- Marshall, Bruce A -- Cooper, Roger A -- Maxwell, Phillip A -- Matcham, Iain -- New York, N.Y. -- Science. 2007 Nov 16;318(5853):1131-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of the Geophysical Sciences, University of Chicago, 5734 South Ellis Avenue, Chicago, IL 60637 USA. mfoote@uchicago.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18006744" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; *Biological Evolution ; *Extinction, Biological ; *Fossils ; *Mollusca ; Population Dynamics ; Seawater ; Time
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  • 33
    Publication Date: 2007-12-15
    Description: The worldwide decline in amphibians has been attributed to several causes, especially habitat loss and disease. We identified a further factor, namely "habitat split"-defined as human-induced disconnection between habitats used by different life history stages of a species-which forces forest-associated amphibians with aquatic larvae to make risky breeding migrations between suitable aquatic and terrestrial habitats. In the Brazilian Atlantic Forest, we found that habitat split negatively affects the richness of species with aquatic larvae but not the richness of species with terrestrial development (the latter can complete their life cycle inside forest remnants). This mechanism helps to explain why species with aquatic larvae have the highest incidence of population decline. These findings reinforce the need for the conservation and restoration of riparian vegetation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Becker, Carlos Guilherme -- Fonseca, Carlos Roberto -- Haddad, Celio Fernando Baptista -- Batista, Romulo Fernandes -- Prado, Paulo Inacio -- New York, N.Y. -- Science. 2007 Dec 14;318(5857):1775-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Departamento de Zoologia, Universidade Estadual de Campinas, 13083-970 Campinas SP, Brazil.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18079402" target="_blank"〉PubMed〈/a〉
    Keywords: *Amphibians/growth & development/physiology ; Animal Migration ; Animals ; *Biodiversity ; Brazil ; Conservation of Natural Resources ; *Ecosystem ; Larva/physiology ; Population Dynamics ; Trees ; Water
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  • 34
    Publication Date: 2007-06-02
    Description: Worm et al. (Research Articles, 3 November 2006, p. 787) reported an increasing proportion of fisheries in a "collapsed" state. We show that this may be an artifact of their definition of collapse as a fixed percentage of the maximum and that an increase in the number of managed fisheries could produce similar patterns as an increase in fisheries with catches below 10% of the maximum.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wilberg, Michael J -- Miller, Thomas J -- New York, N.Y. -- Science. 2007 Jun 1;316(5829):1285; author reply 1285.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Chesapeake Biological Laboratory, University of Maryland Center for Environmental Science, P.O. Box 38, Solomons, MD 20688, USA. wilberg@cbl.umces.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17540885" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; Conservation of Natural Resources ; *Ecosystem ; *Fisheries ; *Fishes ; Forecasting ; Population Dynamics
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-03-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Krajick, Kevin -- New York, N.Y. -- Science. 2007 Mar 16;315(5818):1527.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17363662" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arctic Regions ; Biodiversity ; *Cold Climate ; *Ecosystem ; Food Chain ; Ice Cover ; Invertebrates ; Plankton/growth & development ; Population Dynamics ; *Seawater ; Temperature
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  • 36
    Publication Date: 2007-11-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jorgensen, Christian -- Enberg, Katja -- Dunlop, Erin S -- Arlinghaus, Robert -- Boukal, David S -- Brander, Keith -- Ernande, Bruno -- Gardmark, Anna -- Johnston, Fiona -- Matsumura, Shuichi -- Pardoe, Heidi -- Raab, Kristina -- Silva, Alexandra -- Vainikka, Anssi -- Dieckmann, Ulf -- Heino, Mikko -- Rijnsdorp, Adriaan D -- New York, N.Y. -- Science. 2007 Nov 23;318(5854):1247-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of Bergen, N-5020 Bergen. christian.jorgensen@bio.uib.no〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18033868" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; *Ecosystem ; *Fisheries/methods ; *Fishes/physiology ; Population Dynamics
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  • 37
    Publication Date: 2007-01-06
    Description: A cause-and-effect understanding of climate influences on ecosystems requires evaluation of thermal limits of member species and of their ability to cope with changing temperatures. Laboratory data available for marine fish and invertebrates from various climatic regions led to the hypothesis that, as a unifying principle, a mismatch between the demand for oxygen and the capacity of oxygen supply to tissues is the first mechanism to restrict whole-animal tolerance to thermal extremes. We show in the eelpout, Zoarces viviparus, a bioindicator fish species for environmental monitoring from North and Baltic Seas (Helcom), that thermally limited oxygen delivery closely matches environmental temperatures beyond which growth performance and abundance decrease. Decrements in aerobic performance in warming seas will thus be the first process to cause extinction or relocation to cooler waters.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Portner, Hans O -- Knust, Rainer -- New York, N.Y. -- Science. 2007 Jan 5;315(5808):95-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Alfred Wegener Institute for Polar and Marine Research, Animal Ecophysiology, Postfach 12 01 61, 27515 Bremerhaven, Germany. hpoertner@awi-bremerhaven.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17204649" target="_blank"〉PubMed〈/a〉
    Keywords: Acclimatization ; Aerobiosis ; Animals ; Blood Circulation ; Body Size ; *Climate ; *Ecosystem ; North Sea ; Oxygen/analysis/blood/*metabolism ; Oxygen Consumption ; Perciformes/growth & development/*physiology ; Population Dynamics ; Population Growth ; Seasons ; Seawater/chemistry ; Temperature
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-01-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, Jon -- New York, N.Y. -- Science. 2007 Jan 26;315(5811):450-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17255486" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Experimentation/ethics ; Animal Welfare ; Animals ; *Animals, Laboratory ; Breeding ; Female ; Genome ; Housing, Animal ; Male ; *Models, Animal ; National Institutes of Health (U.S.) ; *Pan troglodytes/genetics ; Population Dynamics ; United States
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-05-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2007 May 18;316(5827):970-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17510336" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture ; Animal Nutritional Physiological Phenomena ; Animals ; Bacteria/isolation & purification ; *Bees/microbiology/parasitology/physiology ; Climate ; Diet ; Fungi/isolation & purification ; Mites ; Pesticides ; Population Dynamics ; United States ; United States Department of Agriculture ; Viruses/isolation & purification
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 40
    Publication Date: 2007-03-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Young, Julie K -- Gerber, Leah R -- D'Agrosa, Caterina -- New York, N.Y. -- Science. 2007 Mar 30;315(5820):1790-1; author reply 1790-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17395811" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Animals, Wild ; *Buffaloes ; *Conservation of Natural Resources ; Disasters ; *Elephants ; *Law Enforcement ; Population Dynamics ; Population Growth ; Tanzania
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  • 41
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-12-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reitz, Stuart R -- New York, N.Y. -- Science. 2007 Dec 14;318(5857):1733-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Agricultural Research Service, U.S. Department of Agriculture, Tallahassee, FL 32308, USA. stuart.reitz@ars.usda.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18079389" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Australia ; China ; *Ecosystem ; Female ; Hemiptera/classification/genetics/*physiology ; Male ; Population Dynamics ; Reproduction ; *Sexual Behavior, Animal
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  • 42
    Publication Date: 2007-08-11
    Description: Conservation of the planet's biodiversity will depend on international policy intervention, yet evidence-based assessment of the success of such intervention is lacking. Poor understanding of the effectiveness of international policy instruments exposes them to criticism or abandonment and reduces opportunities to improve them. Comparative analyses of population trends provide strong evidence for a positive impact of one such instrument, the European Union's Birds Directive, and we identify positive associations between the rate of provision of certain conservation measures through the directive and the response of bird populations. The results suggest that supranational conservation policy can bring measurable conservation benefits, although future assessments will require the setting of quantitative objectives and an increase in the availability of data from monitoring schemes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Donald, Paul F -- Sanderson, Fiona J -- Burfield, Ian J -- Bierman, Stijn M -- Gregory, Richard D -- Waliczky, Zoltan -- New York, N.Y. -- Science. 2007 Aug 10;317(5839):810-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Royal Society for the Protection of Birds, The Lodge, Sandy, Bedfordshire SG19 2DL, UK. paul.donald@rspb.org.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17690296" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Animals, Wild ; *Biodiversity ; *Birds ; *Conservation of Natural Resources/legislation & jurisprudence ; Ecosystem ; Europe ; European Union ; *International Cooperation ; Population Dynamics ; Public Policy
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  • 43
    Publication Date: 2007-06-09
    Description: Although scores of experiments have examined the ecological consequences of transgenic Bacillus thuringiensis (Bt) crops, debates continue regarding the nontarget impacts of this technology. Quantitative reviews of existing studies are crucial for better gauging risks and improving future risk assessments. To encourage evidence-based risk analyses, we constructed a searchable database for nontarget effects of Bt crops. A meta-analysis of 42 field experiments indicates that nontarget invertebrates are generally more abundant in Bt cotton and Bt maize fields than in nontransgenic fields managed with insecticides. However, in comparison with insecticide-free control fields, certain nontarget taxa are less abundant in Bt fields.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marvier, Michelle -- McCreedy, Chanel -- Regetz, James -- Kareiva, Peter -- New York, N.Y. -- Science. 2007 Jun 8;316(5830):1475-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Environmental Studies Institute, Santa Clara University, Santa Clara, CA 95053, USA. mmarvier@scu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17556584" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Arthropods ; Bacillus thuringiensis/genetics ; Bacterial Proteins/*genetics ; Bacterial Toxins/*genetics ; Crops, Agricultural/*genetics/growth & development ; Databases, Factual ; Endotoxins/*genetics ; Gossypium/*genetics/growth & development ; Hemolysin Proteins/*genetics ; Insecticides ; Insects ; Pest Control, Biological ; *Plants, Genetically Modified/growth & development ; Population Dynamics ; Zea mays/*genetics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 44
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-12-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pala, Christopher -- New York, N.Y. -- Science. 2007 Dec 14;318(5857):1719.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18079380" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Anthozoa ; *Ecosystem ; *Fishes/physiology ; *Food Chain ; Pacific Islands ; Population Dynamics ; Predatory Behavior
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 45
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-10-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cheke, Robert A -- New York, N.Y. -- Science. 2007 Oct 26;318(5850):577-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Natural Resources Institute, University of Greenwich at Medway, Chatham Maritime, Kent ME4 4TB, UK. r.a.cheke@greenwich.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17962543" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; China ; *Climate ; Disasters ; *Ecology ; Europe ; *Grasshoppers/physiology ; Greenhouse Effect ; *Larix ; *Moths/physiology ; Population Density ; Population Dynamics ; Rain ; Time Factors
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  • 46
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-09-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roy, Kaustuv -- New York, N.Y. -- Science. 2008 Sep 12;321(5895):1451-2. doi: 10.1126/science.1163097.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Ecology, Behavior and Evolution, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA. kroy@ucsd.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18787156" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; *Body Size ; Climate ; Ecosystem ; Extinction, Biological ; Greenhouse Effect ; Models, Biological ; Population Dynamics ; Stochastic Processes ; Temperature
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 47
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-06-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tewksbury, Joshua J -- Huey, Raymond B -- Deutsch, Curtis A -- New York, N.Y. -- Science. 2008 Jun 6;320(5881):1296-7. doi: 10.1126/science.1159328.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of Washington, Seattle, WA 98195, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18535231" target="_blank"〉PubMed〈/a〉
    Keywords: Acclimatization ; Amphibians/*physiology ; Animals ; *Climate ; *Ecosystem ; Fishes/*physiology ; Geography ; Oceans and Seas ; Population Dynamics ; Reptiles/*physiology ; Seasons ; Seawater ; Temperature ; *Tropical Climate
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  • 48
    Publication Date: 2008-11-01
    Description: Spatial self-organization is the main theoretical explanation for the global occurrence of regular or otherwise coherent spatial patterns in ecosystems. Using mussel beds as a model ecosystem, we provide an experimental demonstration of spatial self-organization. Under homogeneous laboratory conditions, mussels developed regular patterns, similar to those in the field. An individual-based model derived from our experiments showed that interactions between individuals explained the observed patterns. Furthermore, a field study showed that pattern formation affected ecosystem-level processes in terms of improved growth and resistance to wave action. Our results imply that spatial self-organization is an important determinant of the structure and functioning of ecosystems, and it needs to be considered in their conservation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉van de Koppel, Johan -- Gascoigne, Joanna C -- Theraulaz, Guy -- Rietkerk, Max -- Mooij, Wolf M -- Herman, Peter M J -- D18866/Biotechnology and Biological Sciences Research Council/United Kingdom -- New York, N.Y. -- Science. 2008 Oct 31;322(5902):739-42. doi: 10.1126/science.1163952.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Spatial Ecology Department, the Netherlands Institute of Ecology (NIOO-KNAW), Post Office Box 140, 4400 AC Yerseke, Netherlands. J.vandeKoppel@nioo.knaw.nl〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18974353" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biomass ; Bivalvia/*physiology ; *Ecosystem ; Models, Biological ; Movement ; Population Dynamics ; Spatial Behavior ; Wales
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  • 49
    Publication Date: 2008-10-11
    Description: Knowledge of mammalian diversity is still surprisingly disparate, both regionally and taxonomically. Here, we present a comprehensive assessment of the conservation status and distribution of the world's mammals. Data, compiled by 1700+ experts, cover all 5487 species, including marine mammals. Global macroecological patterns are very different for land and marine species but suggest common mechanisms driving diversity and endemism across systems. Compared with land species, threat levels are higher among marine mammals, driven by different processes (accidental mortality and pollution, rather than habitat loss), and are spatially distinct (peaking in northern oceans, rather than in Southeast Asia). Marine mammals are also disproportionately poorly known. These data are made freely available to support further scientific developments and conservation action.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schipper, Jan -- Chanson, Janice S -- Chiozza, Federica -- Cox, Neil A -- Hoffmann, Michael -- Katariya, Vineet -- Lamoreux, John -- Rodrigues, Ana S L -- Stuart, Simon N -- Temple, Helen J -- Baillie, Jonathan -- Boitani, Luigi -- Lacher, Thomas E Jr -- Mittermeier, Russell A -- Smith, Andrew T -- Absolon, Daniel -- Aguiar, John M -- Amori, Giovanni -- Bakkour, Noura -- Baldi, Ricardo -- Berridge, Richard J -- Bielby, Jon -- Black, Patricia Ann -- Blanc, J Julian -- Brooks, Thomas M -- Burton, James A -- Butynski, Thomas M -- Catullo, Gianluca -- Chapman, Roselle -- Cokeliss, Zoe -- Collen, Ben -- Conroy, Jim -- Cooke, Justin G -- da Fonseca, Gustavo A B -- Derocher, Andrew E -- Dublin, Holly T -- Duckworth, J W -- Emmons, Louise -- Emslie, Richard H -- Festa-Bianchet, Marco -- Foster, Matt -- Foster, Sabrina -- Garshelis, David L -- Gates, Cormack -- Gimenez-Dixon, Mariano -- Gonzalez, Susana -- Gonzalez-Maya, Jose Fernando -- Good, Tatjana C -- Hammerson, Geoffrey -- Hammond, Philip S -- Happold, David -- Happold, Meredith -- Hare, John -- Harris, Richard B -- Hawkins, Clare E -- Haywood, Mandy -- Heaney, Lawrence R -- Hedges, Simon -- Helgen, Kristofer M -- Hilton-Taylor, Craig -- Hussain, Syed Ainul -- Ishii, Nobuo -- Jefferson, Thomas A -- Jenkins, Richard K B -- Johnston, Charlotte H -- Keith, Mark -- Kingdon, Jonathan -- Knox, David H -- Kovacs, Kit M -- Langhammer, Penny -- Leus, Kristin -- Lewison, Rebecca -- Lichtenstein, Gabriela -- Lowry, Lloyd F -- Macavoy, Zoe -- Mace, Georgina M -- Mallon, David P -- Masi, Monica -- McKnight, Meghan W -- Medellin, Rodrigo A -- Medici, Patricia -- Mills, Gus -- Moehlman, Patricia D -- Molur, Sanjay -- Mora, Arturo -- Nowell, Kristin -- Oates, John F -- Olech, Wanda -- Oliver, William R L -- Oprea, Monik -- Patterson, Bruce D -- Perrin, William F -- Polidoro, Beth A -- Pollock, Caroline -- Powel, Abigail -- Protas, Yelizaveta -- Racey, Paul -- Ragle, Jim -- Ramani, Pavithra -- Rathbun, Galen -- Reeves, Randall R -- Reilly, Stephen B -- Reynolds, John E 3rd -- Rondinini, Carlo -- Rosell-Ambal, Ruth Grace -- Rulli, Monica -- Rylands, Anthony B -- Savini, Simona -- Schank, Cody J -- Sechrest, Wes -- Self-Sullivan, Caryn -- Shoemaker, Alan -- Sillero-Zubiri, Claudio -- De Silva, Naamal -- Smith, David E -- Srinivasulu, Chelmala -- Stephenson, Peter J -- van Strien, Nico -- Talukdar, Bibhab Kumar -- Taylor, Barbara L -- Timmins, Rob -- Tirira, Diego G -- Tognelli, Marcelo F -- Tsytsulina, Katerina -- Veiga, Liza M -- Vie, Jean-Christophe -- Williamson, Elizabeth A -- Wyatt, Sarah A -- Xie, Yan -- Young, Bruce E -- New York, N.Y. -- Science. 2008 Oct 10;322(5899):225-30. doi: 10.1126/science.1165115.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉International Union for Conservation of Nature (IUCN) Species Programme, IUCN, 28 Rue Mauverney, 1196 Gland, Switzerland. jan.schipper@iucn.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18845749" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; Body Size ; Conservation of Natural Resources ; Databases, Factual ; Ecosystem ; *Extinction, Biological ; *Mammals/anatomy & histology/classification/physiology ; Marine Biology ; Phylogeny ; Population Dynamics ; Seawater
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  • 50
    Publication Date: 2008-07-05
    Description: It has previously been thought that there was a steep Cretaceous and Cenozoic radiation of marine invertebrates. This pattern can be replicated with a new data set of fossil occurrences representing 3.5 million specimens, but only when older analytical protocols are used. Moreover, analyses that employ sampling standardization and more robust counting methods show a modest rise in diversity with no clear trend after the mid-Cretaceous. Globally, locally, and at both high and low latitudes, diversity was less than twice as high in the Neogene as in the mid-Paleozoic. The ratio of global to local richness has changed little, and a latitudinal diversity gradient was present in the early Paleozoic.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Alroy, John -- Aberhan, Martin -- Bottjer, David J -- Foote, Michael -- Fursich, Franz T -- Harries, Peter J -- Hendy, Austin J W -- Holland, Steven M -- Ivany, Linda C -- Kiessling, Wolfgang -- Kosnik, Matthew A -- Marshall, Charles R -- McGowan, Alistair J -- Miller, Arnold I -- Olszewski, Thomas D -- Patzkowsky, Mark E -- Peters, Shanan E -- Villier, Loic -- Wagner, Peter J -- Bonuso, Nicole -- Borkow, Philip S -- Brenneis, Benjamin -- Clapham, Matthew E -- Fall, Leigh M -- Ferguson, Chad A -- Hanson, Victoria L -- Krug, Andrew Z -- Layou, Karen M -- Leckey, Erin H -- Nurnberg, Sabine -- Powers, Catherine M -- Sessa, Jocelyn A -- Simpson, Carl -- Tomasovych, Adam -- Visaggi, Christy C -- New York, N.Y. -- Science. 2008 Jul 4;321(5885):97-100. doi: 10.1126/science.1156963.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Center for Ecological Analysis and Synthesis, University of California-Santa Barbara, 735 State Street, Santa Barbara, CA 93101, USA. alroy@nceas.ucsb.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18599780" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; Biological Evolution ; Databases, Factual ; Environment ; *Fossils ; Geography ; Geologic Sediments ; *Invertebrates/classification ; *Paleontology/methods ; Population Dynamics ; Sampling Studies ; Seawater ; Time Factors
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  • 51
    Publication Date: 2008-09-13
    Description: Halpern et al. (Reports, 15 February 2008, p. 948) integrated spatial data on 17 drivers of change in the oceans to map the global distribution of human impact. Although fishery catches are a dominant driver, the data reflect activity while impacts occur at different space and time scales. Failure to account for this spatial disconnection could lead to potentially misleading conclusions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Heath, Michael R -- New York, N.Y. -- Science. 2008 Sep 12;321(5895):1446; author reply 1446. doi: 10.1126/science.1157390.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Fisheries Research Services, Marine Laboratory, 375 Victoria Road, Aberdeen AB11 9DB, UK. heathmr@marlab.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18787153" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Ecosystem ; *Fisheries ; *Fishes ; Food Chain ; *Human Activities ; Humans ; Oceans and Seas ; Population Dynamics
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  • 52
    Publication Date: 2008-05-20
    Description: Becker et al. (Reports, 14 December 2007, p. 1775) reported that forest amphibians with terrestrial development are less susceptible to the effects of habitat degradation than those with aquatic larvae. However, analysis with more appropriate statistical methods suggests there is no evidence for a difference between aquatic-reproducing and terrestrial-reproducing species.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cannatella, David C -- New York, N.Y. -- Science. 2008 May 16;320(5878):874; author reply 874. doi: 10.1126/science.1155114.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Integrative Biology, University of Texas, Austin, TX 78712, USA. catfish@mail.utexas.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18487175" target="_blank"〉PubMed〈/a〉
    Keywords: *Amphibians/physiology ; Animals ; *Anura/physiology ; Biodiversity ; Brazil ; *Ecosystem ; Larva ; Population Dynamics ; Regression Analysis ; Reproduction ; Statistics as Topic ; Trees ; Water
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  • 53
    Publication Date: 2008-04-05
    Description: Exclosure experiments have demonstrated the effects of bird predation on arthropods. In a Mexican coffee plantation, we excluded foliage-gleaning bird and bat predators from coffee plants. Effects of bats and birds were additive. In the dry season, birds reduced arthropods in coffee plants by 30%; birds and bats together reduced arthropods by 46%. In the wet season, bats reduced arthropods by 84%, whereas birds reduced them by only 58%. We conclude that previous "bird" exclosure experiments may have systematically underestimated the effects of bats.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Williams-Guillen, Kimberly -- Perfecto, Ivette -- Vandermeer, John -- New York, N.Y. -- Science. 2008 Apr 4;320(5872):70. doi: 10.1126/science.1152944.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Natural Resources and Environment, University of Michigan, Ann Arbor, MI 48109, USA. kimwg@umich.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18388285" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arthropods ; *Birds ; *Chiroptera/physiology ; *Climate ; *Coffea ; *Ecosystem ; Insects ; Mexico ; Population Dynamics ; Predatory Behavior ; Reproduction ; Seasons
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  • 54
    Publication Date: 2008-02-16
    Description: Eastern boundary current systems are among the world's most productive large marine ecosystems. Because upwelling currents transport nutrient-rich but oxygen-depleted water onto shallow seas, large expanses of productive continental shelves can be vulnerable to the risk of extreme low-oxygen events. Here, we report the novel rise of water-column shelf anoxia in the northern California Current system, a large marine ecosystem with no previous record of such extreme oxygen deficits. The expansion of anoxia highlights the potential for rapid and discontinuous ecosystem change in productive coastal systems that sustain a major portion of the world's fisheries.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chan, F -- Barth, J A -- Lubchenco, J -- Kirincich, A -- Weeks, H -- Peterson, W T -- Menge, B A -- New York, N.Y. -- Science. 2008 Feb 15;319(5865):920. doi: 10.1126/science.1149016.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Zoology, Oregon State University, Corvallis, OR 97331, USA. chanft@science.oregonstate.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18276882" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bacteria/growth & development ; *Ecosystem ; *Fishes ; *Invertebrates ; *Oxygen ; Pacific Ocean ; Population Dynamics ; Seasons ; *Seawater ; *Water Movements
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  • 55
    Publication Date: 2008-10-25
    Description: It is debated whether species-level differences in ecological strategy, which play a key role in much of coexistence theory, are important in structuring highly diverse communities. We examined the co-occurrence patterns of over 1100 tree species in a 25-hectare Amazonian forest plot in relation to field-measured functional traits. Using a null model approach, we show that co-occurring trees are often less ecologically similar than a niche-free (neutral) model predicts. Furthermore, we find evidence for processes that simultaneously drive convergence and divergence in key aspects of plant strategy, suggesting that at least two distinct niche-based processes are occurring. Our results show that strategy differentiation among species contributes to the maintenance of diversity in one of the most diverse tropical forests in the world.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kraft, Nathan J B -- Valencia, Renato -- Ackerly, David D -- New York, N.Y. -- Science. 2008 Oct 24;322(5901):580-2. doi: 10.1126/science.1160662.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Integrative Biology, University of California, Berkeley, CA 94720, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18948539" target="_blank"〉PubMed〈/a〉
    Keywords: *Biodiversity ; *Ecosystem ; Ecuador ; Nitrogen/analysis ; Plant Leaves/anatomy & histology/chemistry ; Population Dynamics ; Seeds ; *Trees/anatomy & histology/growth & development/physiology ; *Tropical Climate ; Wood
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  • 56
    Publication Date: 2008-11-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chapron, Guillaume -- Samelius, Gustaf -- New York, N.Y. -- Science. 2008 Nov 14;322(5904):1049-50; author reply 1049-50. doi: 10.1126/science.322.5904.1049b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19008429" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; *Climate ; Conservation of Natural Resources/legislation & jurisprudence ; Ecology/*legislation & jurisprudence/methods ; *Ecosystem ; Population Dynamics
    Print ISSN: 0036-8075
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  • 57
    Publication Date: 2008-09-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2008 Sep 19;321(5896):1619. doi: 10.1126/science.321.5896.1619a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18801974" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Ecosystem ; *Fisheries/economics/methods/statistics & numerical data ; *Fishes ; Humans ; Motivation ; Population Dynamics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 58
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    Publication Date: 2008-03-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smetacek, Victor -- Cloern, James E -- New York, N.Y. -- Science. 2008 Mar 7;319(5868):1346-8. doi: 10.1126/science.1151330.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Alfred Wegener Institute for Polar and Marine Research of the Helmholtz Foundation, 27570 Bremerhaven, and the University of Bremen, FB 2, 28334 Bremen, Germany. Victor.Smetacek@awi.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18323440" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biomass ; Climate ; Diatoms/growth & development/physiology ; *Ecosystem ; Environment ; Food Chain ; Life Cycle Stages ; Oceans and Seas ; *Phytoplankton/growth & development/physiology ; Population Dynamics ; Seasons ; Temperature
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  • 59
    Publication Date: 2008-07-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hoegh-Guldberg, O -- Hughes, L -- McIntyre, S -- Lindenmayer, D B -- Parmesan, C -- Possingham, H P -- Thomas, C D -- New York, N.Y. -- Science. 2008 Jul 18;321(5887):345-6. doi: 10.1126/science.1157897.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Marine Studies, Australian Research Council Centre for Excellence in Reef Studies and the Coral Reef Targeted Research Project, University of Queensland, St Lucia, Queensland (QLD) 4072, Australia. oveh@uq.edu.au〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18635780" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Biological ; Animals ; Biodiversity ; *Climate ; *Conservation of Natural Resources ; Ecology/*methods ; *Ecosystem ; Extinction, Biological ; Geography ; Humans ; Population Dynamics ; Socioeconomic Factors
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  • 60
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-11-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huang, Danwei -- New York, N.Y. -- Science. 2008 Nov 14;322(5904):1049; author reply 1049-50. doi: 10.1126/science.322.5904.1049a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19008428" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Anthozoa/classification/physiology ; *Climate ; Ecology/*methods ; *Ecosystem ; Extinction, Biological ; Population Dynamics
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  • 61
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-09-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2008 Sep 12;321(5895):1441. doi: 10.1126/science.321.5895.1441.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18787147" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Migration ; Animals ; Asia ; *Birds/anatomy & histology/physiology ; Conservation of Natural Resources ; Crime ; *Extinction, Biological ; Female ; Male ; Population Dynamics ; Reproduction
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  • 62
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-10-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2008 Oct 10;322(5899):184. doi: 10.1126/science.322.5899.184.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18845724" target="_blank"〉PubMed〈/a〉
    Keywords: *Angiosperms ; Animals ; Biodiversity ; *Bivalvia ; China ; Cyprinidae ; *Ecosystem ; Eutrophication ; Fisheries ; *Fishes ; *Fresh Water ; Population Dynamics
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  • 63
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-10-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reid, Philip C -- Edwards, Martin -- Johns, David G -- New York, N.Y. -- Science. 2008 Oct 24;322(5901):528. doi: 10.1126/science.322.5901.528c.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18948521" target="_blank"〉PubMed〈/a〉
    Keywords: Arctic Regions ; Atlantic Ocean ; *Climate ; Cold Climate ; *Diatoms ; *Ecosystem ; *Ice Cover ; Oceans and Seas ; *Phytoplankton ; Population Dynamics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 64
    Publication Date: 2008-10-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zelkowitz, Rachel -- New York, N.Y. -- Science. 2008 Oct 10;322(5899):177. doi: 10.1126/science.322.5899.177a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18845718" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Birds ; *Ecosystem ; Northwestern United States ; Population Dynamics ; *Trees
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  • 65
    Publication Date: 2008-11-29
    Description: Calcium concentrations are now commonly declining in softwater boreal lakes. Although the mechanisms leading to these declines are generally well known, the consequences for the aquatic biota have not yet been reported. By examining crustacean zooplankton remains preserved in lake sediment cores, we document near extirpations of calcium-rich Daphnia species, which are keystone herbivores in pelagic food webs, concurrent with declining lake-water calcium. A large proportion (62%, 47 to 81% by region) of the Canadian Shield lakes we examined has a calcium concentration approaching or below the threshold at which laboratory Daphnia populations suffer reduced survival and fecundity. The ecological impacts of environmental calcium loss are likely to be both widespread and pronounced.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jeziorski, Adam -- Yan, Norman D -- Paterson, Andrew M -- Desellas, Anna M -- Turner, Michael A -- Jeffries, Dean S -- Keller, Bill -- Weeber, Russ C -- McNicol, Don K -- Palmer, Michelle E -- McIver, Kyle -- Arseneau, Kristina -- Ginn, Brian K -- Cumming, Brian F -- Smol, John P -- New York, N.Y. -- Science. 2008 Nov 28;322(5906):1374-7. doi: 10.1126/science.1164949.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Paleoecological Environmental Assessment and Research Lab, Department of Biology, Queen's University, Kingston, ON, Canada, K7L 3N6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19039134" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Calcium/*analysis ; Daphnia/*physiology ; *Ecosystem ; Food Chain ; Fresh Water/*chemistry ; Geologic Sediments ; Hydrogen-Ion Concentration ; Ontario ; Population Dynamics ; Reproduction ; Zooplankton/*physiology
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  • 66
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-01-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ricciardi, Anthony -- New York, N.Y. -- Science. 2008 Jan 25;319(5862):409. doi: 10.1126/science.319.5862.409b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18218878" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antarctic Regions ; *Biodiversity ; *Ecosystem ; Fungi ; Human Activities ; Humans ; Plants ; Population Dynamics
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  • 67
    Publication Date: 2008-12-20
    Description: Krkosek et al. (Reports, 14 December 2007, p. 1772) claimed that sea lice spread from salmon farms placed wild pink salmon populations "on a trajectory toward rapid local extinction." Their prediction is inconsistent with observed pink salmon returns and overstates the risks from sea lice and salmon farming.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Riddell, Brian E -- Beamish, Richard J -- Richards, Laura J -- Candy, John R -- New York, N.Y. -- Science. 2008 Dec 19;322(5909):1790; author reply 1790. doi: 10.1126/science.1156341.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Fisheries and Oceans Canada, Pacific Biological Station, 3190 Hammond Bay Road, Nanaimo, BC V9T 6N7, Canada. brian.e.riddell@dfo-mpo.gc.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19095926" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Wild ; British Columbia/epidemiology ; *Copepoda ; Ectoparasitic Infestations/epidemiology/mortality/*veterinary ; Extinction, Biological ; Fish Diseases/*epidemiology/mortality ; *Fisheries ; Population Dynamics ; Risk ; *Salmon/parasitology
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  • 68
    Publication Date: 2008-05-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morell, Virginia -- New York, N.Y. -- Science. 2008 May 9;320(5877):742-3. doi: 10.1126/science.320.5877.742.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18467568" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Animals, Wild ; *Conservation of Natural Resources ; Female ; Male ; Population Dynamics
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  • 69
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-05-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morell, Virginia -- New York, N.Y. -- Science. 2008 May 2;320(5876):597. doi: 10.1126/science.320.5876.597a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18451272" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; California ; *Conservation of Natural Resources ; Deer ; Ecosystem ; Humans ; Oenothera biennis ; Population Dynamics ; *Quercus
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  • 70
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-04-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morell, Virginia -- New York, N.Y. -- Science. 2008 Apr 4;320(5872):44-5. doi: 10.1126/science.320.5872.44.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18388273" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Conservation of Natural Resources ; Ecosystem ; Environment ; Female ; *Fisheries ; Food Chain ; Pacific Ocean ; Population Density ; Population Dynamics ; Reproduction ; *Sea Lions/physiology
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  • 71
    Publication Date: 2008-10-11
    Description: We provide a century-scale view of small-mammal responses to global warming, without confounding effects of land-use change, by repeating Grinnell's early-20th century survey across a 3000-meter-elevation gradient that spans Yosemite National Park, California, USA. Using occupancy modeling to control for variation in detectability, we show substantial ( approximately 500 meters on average) upward changes in elevational limits for half of 28 species monitored, consistent with the observed approximately 3 degrees C increase in minimum temperatures. Formerly low-elevation species expanded their ranges and high-elevation species contracted theirs, leading to changed community composition at mid- and high elevations. Elevational replacement among congeners changed because species' responses were idiosyncratic. Though some high-elevation species are threatened, protection of elevation gradients allows other species to respond via migration.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Moritz, Craig -- Patton, James L -- Conroy, Chris J -- Parra, Juan L -- White, Gary C -- Beissinger, Steven R -- New York, N.Y. -- Science. 2008 Oct 10;322(5899):261-4. doi: 10.1126/science.1163428.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Museum of Vertebrate Zoology, University of California, Berkeley, CA 94720, USA. craigm@berkeley.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18845755" target="_blank"〉PubMed〈/a〉
    Keywords: Acclimatization ; Altitude ; Animal Migration ; Animals ; *Biodiversity ; California ; *Climate ; *Ecosystem ; *Greenhouse Effect ; *Mammals ; Population Dynamics ; Temperature ; Time Factors
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  • 72
    Publication Date: 2008-10-11
    Description: Many studies suggest that global warming is driving species ranges poleward and toward higher elevations at temperate latitudes, but evidence for range shifts is scarce for the tropics, where the shallow latitudinal temperature gradient makes upslope shifts more likely than poleward shifts. Based on new data for plants and insects on an elevational transect in Costa Rica, we assess the potential for lowland biotic attrition, range-shift gaps, and mountaintop extinctions under projected warming. We conclude that tropical lowland biotas may face a level of net lowland biotic attrition without parallel at higher latitudes (where range shifts may be compensated for by species from lower latitudes) and that a high proportion of tropical species soon faces gaps between current and projected elevational ranges.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Colwell, Robert K -- Brehm, Gunnar -- Cardelus, Catherine L -- Gilman, Alex C -- Longino, John T -- New York, N.Y. -- Science. 2008 Oct 10;322(5899):258-61. doi: 10.1126/science.1162547.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology, University of Connecticut, Storrs, CT 06269, USA. colwell@uconn.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18845754" target="_blank"〉PubMed〈/a〉
    Keywords: Acclimatization ; *Altitude ; Animal Migration ; Animals ; Ants ; *Biodiversity ; Costa Rica ; Demography ; *Ecosystem ; Geography ; *Greenhouse Effect ; *Insects ; Moths ; *Plants ; Population Dynamics ; Rubiaceae ; Temperature ; *Tropical Climate
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-10-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Svenning, Jens-Christian -- Condit, Richard -- New York, N.Y. -- Science. 2008 Oct 10;322(5899):206-7. doi: 10.1126/science.1164542.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Aarhus, Ny Munkegade 1540, 8000 Aarhus C, Denmark. svenning@biology.au.dk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18845738" target="_blank"〉PubMed〈/a〉
    Keywords: Acclimatization ; Altitude ; Animal Migration ; Animals ; *Biodiversity ; *Climate ; Extinction, Biological ; *Greenhouse Effect ; *Insects ; *Mammals ; *Plants ; Population Dynamics ; Temperature ; *Tropical Climate
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  • 74
    Publication Date: 2008-10-04
    Description: Atlantic bluefin tuna populations are in steep decline, and an improved understanding of connectivity between individuals from eastern (Mediterranean Sea) and western (Gulf of Mexico) spawning areas is needed to manage remaining fisheries. Chemical signatures in the otoliths of yearlings from regional nurseries were distinct and served as natural tags to assess natal homing and mixing. Adults showed high rates of natal homing to both eastern and western spawning areas. Trans-Atlantic movement (east to west) was significant and size-dependent, with individuals of Mediterranean origin mixing with the western population in the U.S. Atlantic. The largest (oldest) bluefin tuna collected near the northern extent of their range in North American waters were almost exclusively of western origin, indicating that this region represents critical habitat for the western population.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rooker, Jay R -- Secor, David H -- De Metrio, Gregorio -- Schloesser, Ryan -- Block, Barbara A -- Neilson, John D -- New York, N.Y. -- Science. 2008 Oct 31;322(5902):742-4. doi: 10.1126/science.1161473. Epub 2008 Oct 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Marine Biology, Texas A&M University, 5007 Avenue U, Galveston, TX 77551, USA. rookerj@tamug.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18832611" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Migration ; Animals ; Atlantic Ocean ; Carbon Isotopes/analysis ; Ecosystem ; Fisheries ; *Homing Behavior ; Likelihood Functions ; Mediterranean Sea ; Otolithic Membrane/chemistry ; Oxygen Isotopes/analysis ; Population Density ; Population Dynamics ; Reproduction ; Tuna/growth & development/*physiology
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  • 75
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-09-20
    Description: Recent reports suggest that most of the world's commercial fisheries could collapse within decades. Although poor fisheries governance is often implicated, evaluation of solutions remains rare. Bioeconomic theory and case studies suggest that rights-based catch shares can provide individual incentives for sustainable harvest that is less prone to collapse. To test whether catch-share fishery reforms achieve these hypothetical benefits, we have compiled a global database of fisheries institutions and catch statistics in 11,135 fisheries from 1950 to 2003. Implementation of catch shares halts, and even reverses, the global trend toward widespread collapse. Institutional change has the potential for greatly altering the future of global fisheries.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Costello, Christopher -- Gaines, Steven D -- Lynham, John -- New York, N.Y. -- Science. 2008 Sep 19;321(5896):1678-81. doi: 10.1126/science.1159478.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Bren School of Environmental Science and Management, 4410 Bren Hall, University of California, Santa Barbara, CA 93106, USA. costello@bren.ucsb.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18801999" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; Databases, Factual ; *Ecosystem ; *Fisheries/economics/methods/statistics & numerical data ; *Fishes ; Humans ; Motivation ; Population Dynamics ; Regression Analysis
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-11-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Donazar, Jose A -- Margalida, Antoni -- Carrete, Martina -- Sanchez-Zapata, Jose A -- New York, N.Y. -- Science. 2009 Oct 30;326(5953):664. doi: 10.1126/science.326_664a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19900914" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Birds/*physiology ; Conservation of Natural Resources ; Europe ; Food Supply ; Population Dynamics ; *Sanitation/legislation & jurisprudence
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  • 77
    Publication Date: 2009-05-09
    Description: Climate change could lead to mismatches between the reproductive cycles of marine organisms and their planktonic food. We tested this hypothesis by comparing shrimp (Pandalus borealis) egg hatching times and satellite-derived phytoplankton bloom dynamics throughout the North Atlantic. At large spatial and long temporal (10 years or longer) scales, hatching was correlated with the timing of the spring phytoplankton bloom. Annual egg development and hatching times were determined locally by bottom water temperature. We conclude that different populations of P. borealis have adapted to local temperatures and bloom timing, matching egg hatching to food availability under average conditions. This strategy is vulnerable to interannual oceanographic variability and long-term climatic changes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koeller, P -- Fuentes-Yaco, C -- Platt, T -- Sathyendranath, S -- Richards, A -- Ouellet, P -- Orr, D -- Skuladottir, U -- Wieland, K -- Savard, L -- Aschan, M -- New York, N.Y. -- Science. 2009 May 8;324(5928):791-3. doi: 10.1126/science.1170987.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Fisheries and Oceans, Bedford Institute of Oceanography, Post Office Box 1006, Dartmouth, B2Y 4A2 Nova Scotia, Canada. koellerp@mar.dfo-mpo.gc.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19423827" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Atlantic Ocean ; Climate ; *Cold Temperature ; *Ecosystem ; Female ; Ovum/growth & development/physiology ; Pandalidae/*physiology ; Phytoplankton/*physiology ; Population Dynamics ; Reproduction ; Seasons ; *Seawater
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  • 78
    Publication Date: 2009-02-07
    Description: Biodiversity hotspots, representing regions with high species endemism and conservation threat, have been mapped globally. Yet, biodiversity distribution data from within hotspots are too sparse for effective conservation in the face of rapid environmental change. Using frogs as indicators, ecological niche models under paleoclimates, and simultaneous Bayesian analyses of multispecies molecular data, we compare alternative hypotheses of assemblage-scale response to late Quaternary climate change. This reveals a hotspot within the Brazilian Atlantic forest hotspot. We show that the southern Atlantic forest was climatically unstable relative to the central region, which served as a large climatic refugium for neotropical species in the late Pleistocene. This sets new priorities for conservation in Brazil and establishes a validated approach to biodiversity prediction in other understudied, species-rich regions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Carnaval, Ana Carolina -- Hickerson, Michael J -- Haddad, Celio F B -- Rodrigues, Miguel T -- Moritz, Craig -- New York, N.Y. -- Science. 2009 Feb 6;323(5915):785-9. doi: 10.1126/science.1166955.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Museum of Vertebrate Zoology, University of California, Berkeley, CA 94720-3160, USA. carnaval@berkeley.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19197066" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anura/classification/*genetics ; Bayes Theorem ; *Biodiversity ; Brazil ; Conservation of Natural Resources ; DNA, Mitochondrial/genetics ; Demography ; *Ecosystem ; Geography ; Molecular Sequence Data ; Mutation ; Phylogeny ; Population Dynamics ; Time ; *Trees ; *Tropical Climate
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  • 79
    Publication Date: 2009-07-04
    Description: Of fundamental interest in conservation ecology are the regulatory mechanisms that maintain communities. We document a mechanism that maintains forests in the Serengeti ecosystem, Tanzania, and the destabilization when disturbance opens forest canopy. Forest birds, by consuming seeds, protected them from beetle attack. Consumption increased the germination rate and the density of seedlings and recruits, which was sufficient to maintain the forest. Opening of the canopy resulted in loss of birds, increased beetle attack, and loss of germination. Thus, frugivorous birds are necessary for the maintenance of forests. Their absence could have resulted in the observed forest decline since 1966.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sharam, Gregory J -- Sinclair, A R E -- Turkington, Roy -- New York, N.Y. -- Science. 2009 Jul 3;325(5936):51. doi: 10.1126/science.1173805.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biodiversity Research Center, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19574381" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Beetles ; *Birds ; *Ecosystem ; Feeding Behavior ; Germination ; Population Dynamics ; *Seeds/growth & development ; Tanzania ; *Trees/growth & development
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  • 80
    Publication Date: 2009-11-07
    Description: Sexual conflict occurs when males and females act against each others' interest, typically resulting in selection favoring harmful males. We performed laboratory experiments on sexual conflict that both confined individuals in isolated groups, which prevents selection acting counter to this conflict, and provided more naturalistic multigroup population structures. We show that in water striders, aggressive male mating behavior was strongly favored within groups but not favored in a multigroup population when individuals can freely disperse among groups. These observations explain the persistence of less-aggressive males within natural populations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Eldakar, Omar Tonsi -- Dlugos, Michael J -- Pepper, John W -- Wilson, David Sloan -- 5 K12 GM000708/GM/NIGMS NIH HHS/ -- K12 GM000708/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2009 Nov 6;326(5954):816. doi: 10.1126/science.1180183.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Insect Science, University of Arizona, Tucson, AZ 85721, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19892974" target="_blank"〉PubMed〈/a〉
    Keywords: Aggression ; Animals ; Female ; Heteroptera/*physiology ; Male ; Mating Preference, Animal ; Population Dynamics ; *Sexual Behavior, Animal
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  • 81
    Publication Date: 2009-05-23
    Description: Reconstructing ancient communities depends on how accurately fossil assemblages retain information about living populations. We report a high level of fidelity between modern bone assemblages and living populations based on a 40-year study of the Amboseli ecosystem in southern Kenya. Relative abundance of 15 herbivorous species recorded in the bone assemblage accurately tracks the living populations through major changes in community composition and habitat over intervals as short as 5 years. The aggregated bone sample provides an accurate record of community structure time-averaged over four decades. These results lay the groundwork for integrating paleobiological and contemporary ecological studies across evolutionary and ecological time scales. Bone surveys also provide a useful method of assessing population changes and community structure for modern vertebrates.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Western, David -- Behrensmeyer, Anna K -- New York, N.Y. -- Science. 2009 May 22;324(5930):1061-4. doi: 10.1126/science.1171155.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉African Conservation Center, Box 62844, Nairobi, Kenya. dwestern@africaonline.co.ke〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19461002" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; Body Size ; *Bone and Bones ; *Ecosystem ; Fossils ; Kenya ; Population Dynamics ; Regression Analysis ; Statistics, Nonparametric ; *Vertebrates
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  • 82
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-11-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2009 Oct 23;326(5952):507-8. doi: 10.1126/science.326_507.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19900868" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anura/*microbiology/physiology ; Chytridiomycota/*pathogenicity ; Dermatomycoses/microbiology/physiopathology/*veterinary ; Electrolytes/metabolism ; Heart/physiopathology ; Indoles/metabolism ; Oxalobacteraceae/metabolism ; Population Dynamics ; Skin/*microbiology/*physiopathology ; *Water-Electrolyte Balance ; Water-Electrolyte Imbalance/physiopathology/veterinary
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 83
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-02-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2009 Feb 20;323(5917):998-9. doi: 10.1126/science.323.5917.998b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19229008" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Birds ; *Conservation of Natural Resources ; *Ecosystem ; Extinction, Biological ; Population Dynamics ; United States
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  • 84
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-12-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kutz, Susan J -- Dobson, Andy P -- Hoberg, Eric P -- New York, N.Y. -- Science. 2009 Nov 27;326(5957):1187-8. doi: 10.1126/science.326.5957.1187-b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19965449" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arctic Regions/epidemiology ; *Climate Change ; *Ecosystem ; Host-Parasite Interactions ; Parasites/growth & development/*physiology ; Parasitic Diseases, Animal/epidemiology/parasitology/transmission ; Population Dynamics
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  • 85
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-11-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Willis, Kathy J -- Bhagwat, Shonil A -- New York, N.Y. -- Science. 2009 Nov 6;326(5954):806-7. doi: 10.1126/science.1178838.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Long-Term Ecology Laboratory, Oxford University Centre for the Environment, South Parks Road, Oxford, OX1 3QY, UK. kathy.willis@ouce.ox.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19892969" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Animals ; *Biodiversity ; Birds ; Butterflies ; *Climate Change ; Conservation of Natural Resources ; *Ecosystem ; Extinction, Biological ; Plants ; Population Dynamics ; South America ; Trees ; Tropical Climate
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  • 86
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-02-07
    Description: Ever since the integration of Mendelian genetics into evolutionary biology in the early 20th century, evolutionary geneticists have for the most part treated genes and mutations as generic entities. However, recent observations indicate that all genes are not equal in the eyes of evolution. Evolutionarily relevant mutations tend to accumulate in hotspot genes and at specific positions within genes. Genetic evolution is constrained by gene function, the structure of genetic networks, and population biology. The genetic basis of evolution may be predictable to some extent, and further understanding of this predictability requires incorporation of the specific functions and characteristics of genes into evolutionary theory.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3184636/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3184636/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stern, David L -- Orgogozo, Virginie -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2009 Feb 6;323(5915):746-51. doi: 10.1126/science.1158997.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology, Howard Hughes Medical Institute, Princeton University, Princeton, NJ 08544, USA. dstern@princeton.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19197055" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arabidopsis/genetics ; *Biological Evolution ; Drosophila/genetics ; Epistasis, Genetic ; *Evolution, Molecular ; Gene Regulatory Networks ; *Genes ; Genetic Speciation ; Genetic Variation ; *Mutation ; Phenotype ; Plants/genetics ; Population Dynamics ; Selection, Genetic
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  • 87
    Publication Date: 2009-08-01
    Description: After a long history of overexploitation, increasing efforts to restore marine ecosystems and rebuild fisheries are under way. Here, we analyze current trends from a fisheries and conservation perspective. In 5 of 10 well-studied ecosystems, the average exploitation rate has recently declined and is now at or below the rate predicted to achieve maximum sustainable yield for seven systems. Yet 63% of assessed fish stocks worldwide still require rebuilding, and even lower exploitation rates are needed to reverse the collapse of vulnerable species. Combined fisheries and conservation objectives can be achieved by merging diverse management actions, including catch restrictions, gear modification, and closed areas, depending on local context. Impacts of international fleets and the lack of alternatives to fishing complicate prospects for rebuilding fisheries in many poorer regions, highlighting the need for a global perspective on rebuilding marine resources.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Worm, Boris -- Hilborn, Ray -- Baum, Julia K -- Branch, Trevor A -- Collie, Jeremy S -- Costello, Christopher -- Fogarty, Michael J -- Fulton, Elizabeth A -- Hutchings, Jeffrey A -- Jennings, Simon -- Jensen, Olaf P -- Lotze, Heike K -- Mace, Pamela M -- McClanahan, Tim R -- Minto, Coilin -- Palumbi, Stephen R -- Parma, Ana M -- Ricard, Daniel -- Rosenberg, Andrew A -- Watson, Reg -- Zeller, Dirk -- New York, N.Y. -- Science. 2009 Jul 31;325(5940):578-85. doi: 10.1126/science.1173146.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biology Department, Dalhousie University, Halifax, NS B3H 4J1, Canada. bworm@dal.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19644114" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; Biomass ; *Conservation of Natural Resources ; *Ecosystem ; *Fisheries/methods ; *Fishes/anatomy & histology ; Internationality ; Marine Biology ; Models, Biological ; Oceans and Seas ; Population Dynamics
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  • 88
    Publication Date: 2009-06-06
    Description: The origins of modern human behavior are marked by increased symbolic and technological complexity in the archaeological record. In western Eurasia this transition, the Upper Paleolithic, occurred about 45,000 years ago, but many of its features appear transiently in southern Africa about 45,000 years earlier. We show that demography is a major determinant in the maintenance of cultural complexity and that variation in regional subpopulation density and/or migratory activity results in spatial structuring of cultural skill accumulation. Genetic estimates of regional population size over time show that densities in early Upper Paleolithic Europe were similar to those in sub-Saharan Africa when modern behavior first appeared. Demographic factors can thus explain geographic variation in the timing of the first appearance of modern behavior without invoking increased cognitive capacity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Powell, Adam -- Shennan, Stephen -- Thomas, Mark G -- New York, N.Y. -- Science. 2009 Jun 5;324(5932):1298-301. doi: 10.1126/science.1170165.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Research Department of Genetics, Evolution, and Environment, University College London, Wolfson House, 4 Stephenson Way, London NW1 2HE, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19498164" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Anthropology, Cultural ; Archaeology ; Asia ; Biological Evolution ; *Cultural Evolution ; Emigration and Immigration ; Europe ; Humans ; Middle East ; Models, Theoretical ; *Population Density ; Population Dynamics ; *Social Behavior ; Time
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  • 89
    Publication Date: 2009-03-17
    Description: The climate of the western shelf of the Antarctic Peninsula (WAP) is undergoing a transition from a cold-dry polar-type climate to a warm-humid sub-Antarctic-type climate. Using three decades of satellite and field data, we document that ocean biological productivity, inferred from chlorophyll a concentration (Chl a), has significantly changed along the WAP shelf. Summertime surface Chl a (summer integrated Chl a approximately 63% of annually integrated Chl a) declined by 12% along the WAP over the past 30 years, with the largest decreases equatorward of 63 degrees S and with substantial increases in Chl a occurring farther south. The latitudinal variation in Chl a trends reflects shifting patterns of ice cover, cloud formation, and windiness affecting water-column mixing. Regional changes in phytoplankton coincide with observed changes in krill (Euphausia superba) and penguin populations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Montes-Hugo, Martin -- Doney, Scott C -- Ducklow, Hugh W -- Fraser, William -- Martinson, Douglas -- Stammerjohn, Sharon E -- Schofield, Oscar -- New York, N.Y. -- Science. 2009 Mar 13;323(5920):1470-3. doi: 10.1126/science.1164533.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Coastal Ocean Observation Lab, Institute of Marine and Coastal Sciences, School of Environmental and Biological Sciences, Rutgers University, New Brunswick, NJ 08901, USA. montes@marine.rutgers.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19286554" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antarctic Regions ; Biomass ; Chlorophyll/*analysis ; *Cold Climate ; *Ecosystem ; Euphausiacea ; Geography ; Ice Cover ; Oceans and Seas ; Phytoplankton/cytology/*growth & development ; Population Dynamics ; Seasons ; *Seawater/chemistry ; Spheniscidae ; Temperature ; Wind
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  • 90
    Publication Date: 2009-01-24
    Description: Two prehistoric migrations peopled the Pacific. One reached New Guinea and Australia, and a second, more recent, migration extended through Melanesia and from there to the Polynesian islands. These migrations were accompanied by two distinct populations of the specific human pathogen Helicobacter pylori, called hpSahul and hspMaori, respectively. hpSahul split from Asian populations of H. pylori 31,000 to 37,000 years ago, in concordance with archaeological history. The hpSahul populations in New Guinea and Australia have diverged sufficiently to indicate that they have remained isolated for the past 23,000 to 32,000 years. The second human expansion from Taiwan 5000 years ago dispersed one of several subgroups of the Austronesian language family along with one of several hspMaori clades into Melanesia and Polynesia, where both language and parasite have continued to diverge.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2827536/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2827536/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Moodley, Yoshan -- Linz, Bodo -- Yamaoka, Yoshio -- Windsor, Helen M -- Breurec, Sebastien -- Wu, Jeng-Yih -- Maady, Ayas -- Bernhoft, Steffie -- Thiberge, Jean-Michel -- Phuanukoonnon, Suparat -- Jobb, Gangolf -- Siba, Peter -- Graham, David Y -- Marshall, Barry J -- Achtman, Mark -- R01 DK062813/DK/NIDDK NIH HHS/ -- R01 DK062813-05/DK/NIDDK NIH HHS/ -- R01 DK62813/DK/NIDDK NIH HHS/ -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2009 Jan 23;323(5913):527-30. doi: 10.1126/science.1166083.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Max-Planck-Institut fur Infektionsbiologie, Department of Molecular Biology, Chariteplatz 1, 10117 Berlin, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19164753" target="_blank"〉PubMed〈/a〉
    Keywords: Australia ; Bayes Theorem ; *Emigration and Immigration/history ; Haplotypes ; Helicobacter pylori/classification/*genetics/isolation & purification ; History, Ancient ; Humans ; Language ; Melanesia ; *Oceanic Ancestry Group/history ; Pacific Islands ; Phylogeny ; Polynesia ; Population Dynamics ; Stomach/*microbiology ; Taiwan
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  • 91
    Publication Date: 2009-02-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gerber, Leah R -- Morissette, Lyne -- Kaschner, Kristin -- Pauly, Daniel -- New York, N.Y. -- Science. 2009 Feb 13;323(5916):880-1. doi: 10.1126/science.1169981.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Ecology, Evolution, and Environmental Science, 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/19213900" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Commerce ; *Conservation of Natural Resources ; Ecosystem ; *Fisheries ; Fishes ; Food Chain ; Internationality ; Japan ; Politics ; Population Dynamics ; Public Policy ; *Whales
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  • 92
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-08-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rick, Torben C -- Erlandson, Jon M -- New York, N.Y. -- Science. 2009 Aug 21;325(5943):952-3. doi: 10.1126/science.1178539.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Archaeobiology Program, Department of Anthropology, National Museum of Natural History, Smithsonian Institution, Washington, DC 20013, USA. rickt@si.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19696338" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Anthropology ; Archaeology ; *Ecosystem ; *Environment ; Fisheries ; Fishes ; Humans ; Marine Biology ; Otters ; Population Dynamics ; Sea Urchins ; Shellfish
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  • 93
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-05-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morell, Virginia -- New York, N.Y. -- Science. 2009 May 29;324(5931):1132. doi: 10.1126/science.324_1132.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19478158" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Fisheries ; *Humpback Whale ; Oceans and Seas ; Population Dynamics ; Ussr
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  • 94
    Publication Date: 2009-06-13
    Description: The Brazilian Amazon is globally important for biodiversity, climate, and geochemical cycles, but is also among the least developed regions in Brazil. Economic development is often pursued through forest conversion for cattle ranching and agriculture, mediated by logging. However, on the basis of an assessment of 286 municipalities in different stages of deforestation, we found a boom-and-bust pattern in levels of human development across the deforestation frontier. Relative standards of living, literacy, and life expectancy increase as deforestation begins but then decline as the frontier evolves, so that pre- and postfrontier levels of human development are similarly low. New financial incentives and policies are creating opportunities for a more sustained development trajectory that is not based on the depletion of nature and ecosystem services.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rodrigues, Ana S L -- Ewers, Robert M -- Parry, Luke -- Souza, Carlos Jr -- Verissimo, Adalberto -- Balmford, Andrew -- New York, N.Y. -- Science. 2009 Jun 12;324(5933):1435-7. doi: 10.1126/science.1174002.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Conservation Science Group, Department of Zoology, University of Cambridge, Cambridge CB2 3EJ, UK. ana.rodrigues@cefe.cnrs.fr〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19520958" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture ; Brazil ; *Cities ; *Conservation of Natural Resources ; Ecosystem ; *Educational Status ; Humans ; Income ; *Life Expectancy ; Population Dynamics ; *Socioeconomic Factors
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 95
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-07-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Conolly, Andrew -- New York, N.Y. -- Science. 2009 Jul 10;325(5937):146. doi: 10.1126/science.325_146a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉African Lion and Environmental Research Trust, Gweru, Zimbabwe. awc@africanencounter.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19589982" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Animals ; Biodiversity ; *Conservation of Natural Resources ; Ecosystem ; *Lions ; Population Dynamics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 96
    Publication Date: 2009-12-08
    Description: Few infectious diseases are entirely human-specific: Most human pathogens also circulate in animals or else originated in nonhuman hosts. Influenza, plague, and trypanosomiasis are classic examples of zoonotic infections that transmit from animals to humans. The multihost ecology of zoonoses leads to complex dynamics, and analytical tools, such as mathematical modeling, are vital to the development of effective control policies and research agendas. Much attention has focused on modeling pathogens with simpler life cycles and immediate global urgency, such as influenza and severe acute respiratory syndrome. Meanwhile, vector-transmitted, chronic, and protozoan infections have been neglected, as have crucial processes such as cross-species transmission. Progress in understanding and combating zoonoses requires a new generation of models that addresses a broader set of pathogen life histories and integrates across host species and scientific disciplines.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3891603/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3891603/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lloyd-Smith, James O -- George, Dylan -- Pepin, Kim M -- Pitzer, Virginia E -- Pulliam, Juliet R C -- Dobson, Andrew P -- Hudson, Peter J -- Grenfell, Bryan T -- R24 HD047879/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 2009 Dec 4;326(5958):1362-7. doi: 10.1126/science.1177345.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology, University of California at Los Angeles, Los Angeles, CA 90095, USA. jlloydsmith@ucla.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19965751" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bacterial Infections/epidemiology/transmission/veterinary ; *Disease Outbreaks ; Host-Pathogen Interactions ; Humans ; *Models, Statistical ; Population Dynamics ; Protozoan Infections/epidemiology/transmission ; Protozoan Infections, Animal/epidemiology/transmission ; Virus Diseases/epidemiology/transmission/veterinary ; *Zoonoses/epidemiology/transmission
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 97
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-03-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Guterman, Lila -- New York, N.Y. -- Science. 2009 Mar 20;323(5921):1558-9. doi: 10.1126/science.323.5921.1558.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19299600" target="_blank"〉PubMed〈/a〉
    Keywords: Accidents ; Alaska ; Animals ; *Animals, Wild ; Birds ; Conservation of Natural Resources ; *Ecosystem ; *Environmental Pollution ; Fishes ; Otters ; *Petroleum ; Population Dynamics ; Research ; Ships ; Whales
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 98
    Publication Date: 2009-09-05
    Description: After the domestication of animals and crops in the Near East some 11,000 years ago, farming had reached much of central Europe by 7500 years before the present. The extent to which these early European farmers were immigrants or descendants of resident hunter-gatherers who had adopted farming has been widely debated. We compared new mitochondrial DNA (mtDNA) sequences from late European hunter-gatherer skeletons with those from early farmers and from modern Europeans. We find large genetic differences between all three groups that cannot be explained by population continuity alone. Most (82%) of the ancient hunter-gatherers share mtDNA types that are relatively rare in central Europeans today. Together, these analyses provide persuasive evidence that the first farmers were not the descendants of local hunter-gatherers but immigrated into central Europe at the onset of the Neolithic.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bramanti, B -- Thomas, M G -- Haak, W -- Unterlaender, M -- Jores, P -- Tambets, K -- Antanaitis-Jacobs, I -- Haidle, M N -- Jankauskas, R -- Kind, C-J -- Lueth, F -- Terberger, T -- Hiller, J -- Matsumura, S -- Forster, P -- Burger, J -- New York, N.Y. -- Science. 2009 Oct 2;326(5949):137-40. doi: 10.1126/science.1176869. Epub 2009 Sep 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Anthropology, University of Mainz, Mainz, Germany. bramanti@uni-mainz.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19729620" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture/*history ; DNA, Mitochondrial/*genetics/history ; Emigration and Immigration/history ; Europe ; European Continental Ancestry Group/*genetics/history ; Female ; Genetic Variation ; Haplotypes ; History, Ancient ; Humans ; Male ; Population Dynamics ; Probability
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 99
    Publication Date: 2009-08-29
    Description: The end-Permian mass extinction removed more than 80% of marine genera. Ammonoid cephalopods were among the organisms most affected by this crisis. The analysis of a global diversity data set of ammonoid genera covering about 106 million years centered on the Permian-Triassic boundary (PTB) shows that Triassic ammonoids actually reached levels of diversity higher than in the Permian less than 2 million years after the PTB. The data favor a hierarchical rather than logistic model of diversification coupled with a niche incumbency hypothesis. This explosive and nondelayed diversification contrasts with the slow and delayed character of the Triassic biotic recovery as currently illustrated for other, mainly benthic groups such as bivalves and gastropods.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brayard, Arnaud -- Escarguel, Gilles -- Bucher, Hugo -- Monnet, Claude -- Bruhwiler, Thomas -- Goudemand, Nicolas -- Galfetti, Thomas -- Guex, Jean -- New York, N.Y. -- Science. 2009 Aug 28;325(5944):1118-21. doi: 10.1126/science.1174638.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉UMR-CNRS 5561 Biogeosciences, Universite de Bourgogne, 6 Boulevard Gabriel, F-21000, Dijon, France. arnaud.brayard@u-bourgogne.fr〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19713525" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; Biological Evolution ; *Cephalopoda/classification/genetics ; Climate ; Databases, Factual ; *Ecosystem ; *Extinction, Biological ; Oceans and Seas ; Paleontology ; Population Dynamics ; Seawater
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 100
    Publication Date: 2009-08-08
    Description: Insights into what stabilizes natural food webs have always been limited by a fundamental dilemma: Studies either need to make unwarranted simplifying assumptions, which undermines their relevance, or only examine few replicates of small food webs, which hampers the robustness of findings. We used generalized modeling to study several billion replicates of food webs with nonlinear interactions and up to 50 species. In this way, first we show that higher variability in link strengths stabilizes food webs only when webs are relatively small, whereas larger webs are instead destabilized. Second, we reveal a new power law describing how food-web stability scales with the number of species and their connectance. Third, we report two universal rules: Food-web stability is enhanced when (i) species at a high trophic level feed on multiple prey species and (ii) species at an intermediate trophic level are fed upon by multiple predator species.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gross, Thilo -- Rudolf, Lars -- Levin, Simon A -- Dieckmann, Ulf -- New York, N.Y. -- Science. 2009 Aug 7;325(5941):747-50. doi: 10.1126/science.1173536.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Max Planck Institute for Physics of Complex Systems, Nothnitzer Strasse 38, 01187 Dresden, Germany. thilo.gross@physics.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19661430" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; Ecosystem ; *Food Chain ; *Models, Biological ; Nonlinear Dynamics ; Population Dynamics ; Predatory Behavior
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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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