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  • 1
    Publication Date: 2012-07-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Anderson, Travis M -- Neiwert, Wade A -- Kirk, Martin L -- Piccoli, Paula M B -- Schultz, Arthur J -- Koetzle, Thomas F -- Musaev, Djamaladdin G -- Morokuma, Keiji -- Cao, Rui -- Hill, Craig L -- New York, N.Y. -- Science. 2012 Jul 20;337(6092):290. doi: 10.1126/science.337.6092.290-a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22822129" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2004-11-27
    Description: Terminal mono-oxo complexes of the late transition metal elements have long been considered too unstable to synthesize because of repulsion between the oxygen electrons and the mostly filled metal d orbitals. A platinum(IV)-oxo compound flanked by two polytungstate ligands, K7Na9[O=Pt(H2O)L2], L = [PW9O34(9-)], has now been prepared and isolated at room temperature as air-stable brown crystals. X-ray and neutron diffraction at 30 kelvin revealed a very short [1.720(18) angstrom] Pt-O bond and no evidence of a hydrogen atom at the terminal oxygen, ruling out a better precedented Pt-OH complex. Density functional theory and spectroscopic data account for the stability of the Pt(IV)-oxo unit by electron withdrawal into delocalized orbitals of the polytungstates.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Anderson, Travis M -- Neiwert, Wade A -- Kirk, Martin L -- Piccoli, Paula M B -- Schultz, Arthur J -- Koetzle, Thomas F -- Musaev, Djamaladdin G -- Morokuma, Keiji -- Cao, Rui -- Hill, Craig L -- GM-057378/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2004 Dec 17;306(5704):2074-7. Epub 2004 Nov 25.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, Emory University, Atlanta, GA 30322, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15564312" target="_blank"〉PubMed〈/a〉
    Keywords: Chemistry, Physical ; Crystallization ; Crystallography, X-Ray ; Electrons ; Fourier Analysis ; Hydrogen-Ion Concentration ; Ligands ; Molecular Structure ; Neutron Diffraction ; Oxidation-Reduction ; Oxygen/*chemistry ; Physicochemical Phenomena ; Platinum/chemistry ; Platinum Compounds/chemical synthesis/*chemistry/isolation & purification ; Spectrum Analysis ; Temperature ; Tungsten/chemistry ; Tungsten Compounds/chemical synthesis/*chemistry/isolation & purification
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
    Publication Date: 2014-03-29
    Description: Human alterations to nutrient cycles and herbivore communities are affecting global biodiversity dramatically. Ecological theory predicts these changes should be strongly counteractive: nutrient addition drives plant species loss through intensified competition for light, whereas herbivores prevent competitive exclusion by increasing ground-level light, particularly in productive systems. Here we use experimental data spanning a globally relevant range of conditions to test the hypothesis that herbaceous plant species losses caused by eutrophication may be offset by increased light availability due to herbivory. This experiment, replicated in 40 grasslands on 6 continents, demonstrates that nutrients and herbivores can serve as counteracting forces to control local plant diversity through light limitation, independent of site productivity, soil nitrogen, herbivore type and climate. Nutrient addition consistently reduced local diversity through light limitation, and herbivory rescued diversity at sites where it alleviated light limitation. Thus, species loss from anthropogenic eutrophication can be ameliorated in grasslands where herbivory increases ground-level light.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Borer, Elizabeth T -- Seabloom, Eric W -- Gruner, Daniel S -- Harpole, W Stanley -- Hillebrand, Helmut -- Lind, Eric M -- Adler, Peter B -- Alberti, Juan -- Anderson, T Michael -- Bakker, Jonathan D -- Biederman, Lori -- Blumenthal, Dana -- Brown, Cynthia S -- Brudvig, Lars A -- Buckley, Yvonne M -- Cadotte, Marc -- Chu, Chengjin -- Cleland, Elsa E -- Crawley, Michael J -- Daleo, Pedro -- Damschen, Ellen I -- Davies, Kendi F -- DeCrappeo, Nicole M -- Du, Guozhen -- Firn, Jennifer -- Hautier, Yann -- Heckman, Robert W -- Hector, Andy -- HilleRisLambers, Janneke -- Iribarne, Oscar -- Klein, Julia A -- Knops, Johannes M H -- La Pierre, Kimberly J -- Leakey, Andrew D B -- Li, Wei -- MacDougall, Andrew S -- McCulley, Rebecca L -- Melbourne, Brett A -- Mitchell, Charles E -- Moore, Joslin L -- Mortensen, Brent -- O'Halloran, Lydia R -- Orrock, John L -- Pascual, Jesus -- Prober, Suzanne M -- Pyke, David A -- Risch, Anita C -- Schuetz, Martin -- Smith, Melinda D -- Stevens, Carly J -- Sullivan, Lauren L -- Williams, Ryan J -- Wragg, Peter D -- Wright, Justin P -- Yang, Louie H -- England -- Nature. 2014 Apr 24;508(7497):517-20. doi: 10.1038/nature13144. Epub 2014 Mar 9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology, Evolution, and Behavior, University of Minnesota, St Paul, Minnesota 55108, USA. ; Department of Entomology, University of Maryland, College Park, Maryland 20742, USA. ; Department of Ecology, Evolution, and Organismal Biology, Iowa State University, Ames, Iowa 50011, USA. ; Institute for Chemistry and Biology of the Marine Environment, Carl-von- Ossietzky University, 26382 Wilhelmshaven, Oldenburg, Germany. ; Department of Wildland Resources and the Ecology Center, Utah State University, Logan, Utah 84322, USA. ; Instituto de Investigaciones Marinas y Costeras (IIMyC), Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET), Mar del Plata 7600 , Argentina. ; Department of Biology, Wake Forest University, Winston-Salem, North Carolina 27109, USA. ; School of Environmental and Forest Sciences, University of Washington, Seattle, Washington 98195, USA. ; Agricultural Research Service (ARS), United States Department of Agriculture, Fort Collins, Colorado 80526, USA. ; Deptartment of Forest, Rangeland and Watershed Stewardship, Colorado State University, Fort Collins, Colorado 80523, USA. ; Department of Plant Biology, Michigan State University, East Lansing, Michigan 48824, USA. ; 1] ARC Centre of Excellence for Environmental Decisions, School of Biological Sciences, The University of Queensland, Queensland 4072, Australia [2] School of Natural Sciences, Trinity College Dublin, Dublin 2, Ireland. ; Department of Ecology and Evolutionary Biology, University of Toronto Scarborough, Ontario M1C 1A4, Canada. ; State Key Laboratory of Grassland and Agro-Ecosystems, Research Station of Alpine Meadow and Wetland Ecosystems, School of Life Sciences, Lanzhou University, Lanzhou, 730000 Gansu, China. ; Division of Biological Sciences, University of California, San Diego, California 92093, USA. ; Department of Biology, Imperial College at Silwood Park, Ascot, Berkshire SL5 7PY, UK. ; Department of Zoology, University of Wisconsin, Madison, Wisconsin 53706, USA. ; Department of Ecology and Evolutionary Biology, University of Colorado, Boulder Colorado 80309, USA. ; US Geological Survey, Forest and Rangeland Ecosystem Science Center, Corvallis, Oregon 97331, USA. ; Queensland University of Technology, Biogeosciences, Brisbane, Queensland 4001, Australia. ; Department of Biology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, USA. ; Department of Plant Sciences, University of Oxford, Oxford OX1 3RB, UK. ; School of Biological Sciences, University of Nebraska, Lincoln, Nebraska 68588, USA. ; Berkeley Initiative for Global Change Biology, University of California, Berkeley 94704, USA. ; Department of Plant Biology, University of Illinois at Urbana-Champaign, llinois 61820, USA. ; Department of Integrative Biology, University of Guelph, Guelph, Ontario N1G 2W1, Canada. ; Department of Plant & Soil Sciences, University of Kentucky, Lexington, Kentucky 40546, USA. ; Australian Research Center for Urban Ecology, c/o School of Botany, University of Melbourne, Victoria 3010, Australia, and School of Biological Sciences, Monash University, Victoria 3800, Australia. ; Department of Zoology, Oregon State University, Corvallis, Oregon 97331, USA. ; CSIRO Ecosystem Sciences, Wembley, West Australia 6913, Australia. ; Swiss Federal Institute for Forest, Snow and Landscape Research, Birmensdorf 8903, Switzerland. ; Lancaster Environment Center, Lancaster University, Lancaster LA1 4YQ, UK. ; Department of Biology, Duke University, Durham, North Carolina 27708, USA. ; Department of Entomology, University of California, Davis, California 95616, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24670649" target="_blank"〉PubMed〈/a〉
    Keywords: *Biodiversity ; Climate ; Eutrophication/drug effects/*radiation effects ; Geography ; Herbivory/*physiology ; Human Activities ; Internationality ; *Light ; Nitrogen/metabolism/pharmacology ; Plants/drug effects/*metabolism/*radiation effects ; *Poaceae/drug effects/physiology/radiation effects ; Time Factors
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 4
    Publication Date: 2010-09-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dobson, Andrew P -- Borner, Markus -- Sinclair, Anthony R E -- Hudson, Peter J -- Anderson, T Michael -- Bigurube, Gerald -- Davenport, Tim B B -- Deutsch, James -- Durant, Sarah M -- Estes, Richard D -- Estes, Anna B -- Fryxell, John -- Foley, Charles -- Gadd, Michelle E -- Haydon, Dan -- Holdo, Ricardo -- Holt, Robert D -- Hopcraft, J Grant C -- Hilborn, Ray -- Jambiya, George L K -- Laurenson, M Karen -- Melamari, Lota -- Morindat, Alais Ole -- Ogutu, Joseph O -- Schaller, George -- Wolanski, Eric -- England -- Nature. 2010 Sep 16;467(7313):272-3. doi: 10.1038/467272a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology at Princeton University, New Jersey 08544, USA. dobson@Princeton.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20844519" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Migration ; Animals ; Biodiversity ; Conservation of Natural Resources/*methods ; *Ecosystem ; Environmental Pollution/prevention & control ; *Federal Government ; Food Chain ; Models, Economic ; Politics ; Risk Assessment ; Ruminants/physiology ; Tanzania ; Transportation/*instrumentation ; *Urbanization
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 5
    Publication Date: 2014-02-01
    Description: Ecologists have long sought to understand the factors controlling the structure of savanna vegetation. Using data from 2154 sites in savannas across Africa, Australia, and South America, we found that increasing moisture availability drives increases in fire and tree basal area, whereas fire reduces tree basal area. However, among continents, the magnitude of these effects varied substantially, so that a single model cannot adequately represent savanna woody biomass across these regions. Historical and environmental differences drive the regional variation in the functional relationships between woody vegetation, fire, and climate. These same differences will determine the regional responses of vegetation to future climates, with implications for global carbon stocks.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lehmann, Caroline E R -- Anderson, T Michael -- Sankaran, Mahesh -- Higgins, Steven I -- Archibald, Sally -- Hoffmann, William A -- Hanan, Niall P -- Williams, Richard J -- Fensham, Roderick J -- Felfili, Jeanine -- Hutley, Lindsay B -- Ratnam, Jayashree -- San Jose, Jose -- Montes, Ruben -- Franklin, Don -- Russell-Smith, Jeremy -- Ryan, Casey M -- Durigan, Giselda -- Hiernaux, Pierre -- Haidar, Ricardo -- Bowman, David M J S -- Bond, William J -- New York, N.Y. -- Science. 2014 Jan 31;343(6170):548-52. doi: 10.1126/science.1247355.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Sciences, Macquarie University, New South Wales 2109, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24482480" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Australia ; *Climate ; *Ecosystem ; *Fires ; Humidity ; Models, Biological ; South America ; *Trees
    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
    Publication Date: 2009-02-07
    Description: Morphological diversity within closely related species is an essential aspect of evolution and adaptation. Mutations in the Melanocortin 1 receptor (Mc1r) gene contribute to pigmentary diversity in natural populations of fish, birds, and many mammals. However, melanism in the gray wolf, Canis lupus, is caused by a different melanocortin pathway component, the K locus, that encodes a beta-defensin protein that acts as an alternative ligand for Mc1r. We show that the melanistic K locus mutation in North American wolves derives from past hybridization with domestic dogs, has risen to high frequency in forested habitats, and exhibits a molecular signature of positive selection. The same mutation also causes melanism in the coyote, Canis latrans, and in Italian gray wolves, and hence our results demonstrate how traits selected in domesticated species can influence the morphological diversity of their wild relatives.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2903542/" 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/PMC2903542/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Anderson, Tovi M -- vonHoldt, Bridgett M -- Candille, Sophie I -- Musiani, Marco -- Greco, Claudia -- Stahler, Daniel R -- Smith, Douglas W -- Padhukasahasram, Badri -- Randi, Ettore -- Leonard, Jennifer A -- Bustamante, Carlos D -- Ostrander, Elaine A -- Tang, Hua -- Wayne, Robert K -- Barsh, Gregory S -- P01 DK068384/DK/NIDDK NIH HHS/ -- P01 DK068384-050001/DK/NIDDK NIH HHS/ -- R01 GM068882/GM/NIGMS NIH HHS/ -- R01 GM068882-04/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2009 Mar 6;323(5919):1339-43. doi: 10.1126/science.1165448. Epub 2009 Feb 5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Departments of Genetics and Pediatrics, Stanford University, Stanford, CA 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19197024" target="_blank"〉PubMed〈/a〉
    Keywords: Agouti Signaling Protein/genetics ; Animals ; *Biological Evolution ; Coyotes/genetics ; Dogs/genetics ; *Ecosystem ; Gene Flow ; Hair Color/*genetics ; Haplotypes ; Linkage Disequilibrium ; Melanins/metabolism ; Molecular Sequence Data ; *Mutation ; Phenotype ; Phylogeny ; Pigmentation/*genetics ; Polymorphism, Single Nucleotide ; Receptor, Melanocortin, Type 1/genetics ; Selection, Genetic ; Sequence Deletion ; Wolves/*genetics ; beta-Defensins/*genetics
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
    Publication Date: 2011-09-24
    Description: For more than 30 years, the relationship between net primary productivity and species richness has generated intense debate in ecology about the processes regulating local diversity. The original view, which is still widely accepted, holds that the relationship is hump-shaped, with richness first rising and then declining with increasing productivity. Although recent meta-analyses questioned the generality of hump-shaped patterns, these syntheses have been criticized for failing to account for methodological differences among studies. We addressed such concerns by conducting standardized sampling in 48 herbaceous-dominated plant communities on five continents. We found no clear relationship between productivity and fine-scale (meters(-2)) richness within sites, within regions, or across the globe. Ecologists should focus on fresh, mechanistic approaches to understanding the multivariate links between productivity and richness.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Adler, Peter B -- Seabloom, Eric W -- Borer, Elizabeth T -- Hillebrand, Helmut -- Hautier, Yann -- Hector, Andy -- Harpole, W Stanley -- O'Halloran, Lydia R -- Grace, James B -- Anderson, T Michael -- Bakker, Jonathan D -- Biederman, Lori A -- Brown, Cynthia S -- Buckley, Yvonne M -- Calabrese, Laura B -- Chu, Cheng-Jin -- Cleland, Elsa E -- Collins, Scott L -- Cottingham, Kathryn L -- Crawley, Michael J -- Damschen, Ellen I -- Davies, Kendi F -- DeCrappeo, Nicole M -- Fay, Philip A -- Firn, Jennifer -- Frater, Paul -- Gasarch, Eve I -- Gruner, Daniel S -- Hagenah, Nicole -- Hille Ris Lambers, Janneke -- Humphries, Hope -- Jin, Virginia L -- Kay, Adam D -- Kirkman, Kevin P -- Klein, Julia A -- Knops, Johannes M H -- La Pierre, Kimberly J -- Lambrinos, John G -- Li, Wei -- MacDougall, Andrew S -- McCulley, Rebecca L -- Melbourne, Brett A -- Mitchell, Charles E -- Moore, Joslin L -- Morgan, John W -- Mortensen, Brent -- Orrock, John L -- Prober, Suzanne M -- Pyke, David A -- Risch, Anita C -- Schuetz, Martin -- Smith, Melinda D -- Stevens, Carly J -- Sullivan, Lauren L -- Wang, Gang -- Wragg, Peter D -- Wright, Justin P -- Yang, Louie H -- New York, N.Y. -- Science. 2011 Sep 23;333(6050):1750-3. doi: 10.1126/science.1204498.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Wildland Resources and the Ecology Center, Utah State University, 5230 Old Main, Logan, UT 84322, USA. peter.adler@usu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21940895" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Australia ; *Biodiversity ; *Biomass ; China ; *Ecosystem ; Europe ; Models, Biological ; Models, Statistical ; North America ; Plant Development ; Plant Physiological Processes ; *Plants ; 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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  • 8
    Publication Date: 2016-01-30
    Description: Fraser et al. (Reports, 17 July 2015, p. 302) report a unimodal relationship between productivity and species richness at regional and global scales, which they contrast with the results of Adler et al. (Reports, 23 September 2011, p. 1750). However, both data sets, when analyzed correctly, show clearly and consistently that productivity is a poor predictor of local species richness.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tredennick, Andrew T -- Adler, Peter B -- Grace, James B -- Harpole, W Stanley -- Borer, Elizabeth T -- Seabloom, Eric W -- Anderson, T Michael -- Bakker, Jonathan D -- Biederman, Lori A -- Brown, Cynthia S -- Buckley, Yvonne M -- Chu, Chengjin -- Collins, Scott L -- Crawley, Michael J -- Fay, Philip A -- Firn, Jennifer -- Gruner, Daniel S -- Hagenah, Nicole -- Hautier, Yann -- Hector, Andy -- Hillebrand, Helmut -- Kirkman, Kevin -- Knops, Johannes M H -- Laungani, Ramesh -- Lind, Eric M -- MacDougall, Andrew S -- McCulley, Rebecca L -- Mitchell, Charles E -- Moore, Joslin L -- Morgan, John W -- Orrock, John L -- Peri, Pablo L -- Prober, Suzanne M -- Risch, Anita C -- Schutz, Martin -- Speziale, Karina L -- Standish, Rachel J -- Sullivan, Lauren L -- Wardle, Glenda M -- Williams, Ryan J -- Yang, Louie H -- New York, N.Y. -- Science. 2016 Jan 29;351(6272):457. doi: 10.1126/science.aad6236.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Wildland Resources and the Ecology Center, Utah State University, 5230 Old Main, Logan, UT 84322, USA. atredenn@gmail.com. ; Department of Wildland Resources and the Ecology Center, Utah State University, 5230 Old Main, Logan, UT 84322, USA. ; U.S. Geological Survey, Wetland and Aquatic Research Center, 700 Cajundome Boulevard, Lafayette, LA 70506, USA. ; Department of Physiological Diversity, Helmholtz Center for Environmental Research - UFZ, Permoserstrasse 15, 04318 Leipzig, Germany. ; Department of Ecology, Evolution, and Behavior, University of Minnesota, St. Paul, MN 55108, USA. ; Department of Biology, Wake Forest University, Box 7325 Reynolda Station, Winston-Salem, NC 27109, USA. ; School of Environmental and Forest Sciences, University of Washington, 3501 NE 41st Street, Box 354115, Seattle, WA 98195, USA. ; Ecology, Evolution and Organismal Biology, Iowa State University, 251 Bessey Hall, Ames, IA 50010, USA. ; Department of Bioagricultural Sciences and Pest Management, Colorado State University, 307 University Avenue, Fort Collins, CO 80523, USA. ; School of Natural Sciences, Trinity College Dublin, University of Dublin, Zoology, Dublin 2, Ireland. ; School of Life Sciences, Sun Yat-sen University, Xingang Xi Road 135, Guangzhou, 510275, China. ; Department of Biology, University of New Mexico, Albuquerque, NM 87131, USA. ; Department of Biology, Imperial College London, Silwood Park, Ascot, SL5 7PY, UK. ; Grassland, Soil, and Water Research Laboratory, USDA-ARS, 808 East Blackland Road, Temple, TX 76502, USA. ; School of Earth, Environmental and Biological 42 Sciences, Queensland University of Technology (QUT), Gardens Point, Brisbane, Queensland, Australia, 4001. ; Department of Entomology, University of Maryland, 4112 Plant Sciences, College Park, MD 20742, USA. ; School of Life Sciences, University of KwaZulu-Natal, 1 Carbis Road, Pietermaritzburg, 3201, South Africa. ; Department of Biology, Ecology and Biodiversity group, Utrecht University, Padualaan 8, 3584 CH Utrecht, Netherlands. ; Department of Plant Sciences, University of Oxford, South Parks Road, Oxford, OX1 3RB, UK. ; Institute for Chemistry and Biology of the Marine Environment, Carl-von-Ossietzky University Oldenburg, Schleusenstrasse 1, 26382 Wihlhemshaven, Germany. ; School of Biological Sciences, University of Nebraska, 211 Manter Hall, Lincoln, NE 68588, USA. ; Biology Department, Doane College, 1014 Boswell Avenue, Crete, NE 68333, USA. ; Department of Integrative Biology, University of Guelph, 50 Stone Road, Guelph, Ontario, Canada N1G 2W1. ; Department of Plant and Soil Science, University of Kentucky, N-222D Ag Science North, Lexington, KY 40546-0091, USA. ; Department of Biology, University of North Carolina at Chapel Hill, CB#3280, Chapel Hill, NC 27599, USA. ; School of Biological Sciences, Monash University, Clayton Campus, Wellington Road, Clayton 3800, Victoria, Australia. ; Department of Ecology, Environment and Evolution, La Trobe University, Kingsbury Drive, Bundoora 3086, Victoria, Australia. ; Department of Zoology, University of Wisconsin, 430 Lincoln Drive, Madison, WI 53706, USA. ; Department of Forestry, Agriculture and Water, Southern Patagonia National University-INTA-CONICET, CC 332 (CP 9400), Rio Gallegos, Santa Cruz, Patagonia, Argentina. ; Commonwealth Scientific and Industrial Research Organisation Land and Water, Private Bag 5, Wembley, WA 6913, Australia. ; Community Ecology, Swiss Federal Institute for Forest, Snow and Landscape Research, Zuercherstrasse 111, 8903 Birmensdorf, Switzerland. ; Department of Ecology, INIBIOMA (CONICET-UNCO), Quintral 1250, Bariloche (8400), Rio Negro, Argentina. ; School of Veterinary and Life Sciences, Murdoch University, Perth, Western Australia, 90 South Street, Murdoch, Western Australia 6150. ; School of Biological Sciences, University of Sydney, Heydon-Laurence Building, A08, University of Sydney, Sydney, NSW, 2006, Australia. ; Agricultural and Biosystems Engineering, Iowa State University, Ames, IA, USA. ; Department of Entomology and Nematology, University of California, Davis, One Shields Avenue, Davis, CA 95616, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26823418" target="_blank"〉PubMed〈/a〉
    Keywords: *Biodiversity ; *Grassland ; *Plant Development
    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
    Publication Date: 2016-01-14
    Description: How ecosystem productivity and species richness are interrelated is one of the most debated subjects in the history of ecology. Decades of intensive study have yet to discern the actual mechanisms behind observed global patterns. Here, by integrating the predictions from multiple theories into a single model and using data from 1,126 grassland plots spanning five continents, we detect the clear signals of numerous underlying mechanisms linking productivity and richness. We find that an integrative model has substantially higher explanatory power than traditional bivariate analyses. In addition, the specific results unveil several surprising findings that conflict with classical models. These include the isolation of a strong and consistent enhancement of productivity by richness, an effect in striking contrast with superficial data patterns. Also revealed is a consistent importance of competition across the full range of productivity values, in direct conflict with some (but not all) proposed models. The promotion of local richness by macroecological gradients in climatic favourability, generally seen as a competing hypothesis, is also found to be important in our analysis. The results demonstrate that an integrative modelling approach leads to a major advance in our ability to discern the underlying processes operating in ecological systems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Grace, James B -- Anderson, T Michael -- Seabloom, Eric W -- Borer, Elizabeth T -- Adler, Peter B -- Harpole, W Stanley -- Hautier, Yann -- Hillebrand, Helmut -- Lind, Eric M -- Partel, Meelis -- Bakker, Jonathan D -- Buckley, Yvonne M -- Crawley, Michael J -- Damschen, Ellen I -- Davies, Kendi F -- Fay, Philip A -- Firn, Jennifer -- Gruner, Daniel S -- Hector, Andy -- Knops, Johannes M H -- MacDougall, Andrew S -- Melbourne, Brett A -- Morgan, John W -- Orrock, John L -- Prober, Suzanne M -- Smith, Melinda D -- England -- Nature. 2016 Jan 21;529(7586):390-3. doi: 10.1038/nature16524. Epub 2016 Jan 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉US Geological Survey, Wetland and Aquatic Research Center, 700 Cajundome Boulevard, Lafayette, Louisiana 70506, USA. ; Department of Biology, 206 Winston Hall, Wake Forest University, Box 7325 Reynolda Station, Winston-Salem, North Carolina 27109, USA. ; Ecology, Evolution, and Behavior, University of Minnesota, 1987 Upper Buford Circle, St Paul, Minnesota 55108, USA. ; Department of Wildland Resources and the Ecology Center, Utah State University, 5230 Old Main, Logan, Utah 84322, USA. ; Department of Physiological Diversity, Helmholtz Center for Environmental Research - UFZ, Permoserstrasse 15, 04318 Leipzig, Germany. ; German Centre for Integrative Biodiversity Research (iDiv), Deutscher Platz 5e, D-04103 Leipzig, Germany. ; Martin Luther University Halle-Wittenberg, Am Kirchtor 1, 06108 Halle (Saale), Germany. ; Ecology and Biodiversity Group, Department of Biology, Utrecht University, Padualaan 8, Utrecht 3584 CH, The Netherlands. ; Institute for Chemistry and Biology of the Marine Environment, University of Oldenburg, Schleusenstrasse 1, Wilhelmshaven D-26381, Germany. ; Institute of Ecology and Earth Sciences, University of Tartu, Lai 40, Tartu 51005, Estonia. ; School of Environmental and Forest Sciences, University of Washington, Box 354115, Seattle, Washington 98195-4115, USA. ; School of Natural Sciences, Zoology, Trinity College Dublin, The University of Dublin, Dublin 2, Ireland. ; Department of Biological Sciences, Imperial College London, Silwood Park, Ascot, Berkshire SL5 7PY, UK. ; Department of Zoology, University of Wisconsin, 430 Lincoln Drive, Madison, Wisconsin 53706, USA. ; Department of Ecology and Evolutionary Biology, UCB 334, University of Colorado, Boulder, Colorado 80309, USA. ; Grassland Soil and Water Research Laboratory, United States Department of Agriculture Agricultural Research Service, 808 East Blackland Road, Temple, Texas 76502, USA. ; #15 Queensland University of Technology, School of Earth, Environment and Biological Sciences, Brisbane, Queensland 4001, Australia. ; Department of Entomology, University of Maryland, College Park, 4112 Plant Sciences, College Park, Maryland 20742, USA. ; Department of Plant Sciences, University of Oxford, South Parks Road, Oxford OX1 3RB, UK. ; School of Biological Sciences, 348 Manter Hall, University of Nebraska, Lincoln, Nebraska 68588, USA. ; Department of Integrative Biology, University of Guelph, Guelph, Ontario N1G 2W1, Canada. ; Department of Ecology, Environment, and Evolution, La Trobe University, Bundoora, Victoria 3083, Australia. ; CSIRO Land and Water, Private Bag 5, Wembley, Western Australia, 6913, Australia. ; Department of Biology, Colorado State University, 1878 Campus Delivery, Fort Collins, Colorado 80526, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26760203" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 10
    Publication Date: 2012-08-01
    Description: Situated on the bank of the Kobuk River, the contact-period village site of Igliqtiqsiugvigruaq in northwest Alaska boasts a number of large, unexcavated house pits and storage pits visible as surface depressions. In 2010, an electromagnetic survey undertaken across most of this sprawling village revealed several features important to the archaeological interpretation of the site, including a likely area of intense, widespread burning and a possible dog yard location. Additional surveying, undertaken in 2011 with magnetic gradiometry and ground-penetrating radar, revealed the locations of hearths and other aspects of the internal structures of select dwellings and storage pits. These noninvasive geophysical strategies were used to supplement and guide excavation and geochemical prospecting at the site. The geophysical surveys are discussed, contexualized with excavation results and oral history. The efforts described here demonstrate that a great deal of information can be gathered noninvasively when geophysical methods are properly situated as part of a holistic approach to archaeological site investigation, thereby reducing the need for extensive excavation. Certain limitations associated with surveying a densely forested site are also highlighted.
    Print ISSN: 1070-485X
    Electronic ISSN: 1938-3789
    Topics: Geosciences
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