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  • 1
    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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  • 2
    Publication Date: 2014-02-18
    Description: Studies of experimental grassland communities have demonstrated that plant diversity can stabilize productivity through species asynchrony, in which decreases in the biomass of some species are compensated for by increases in others. However, it remains unknown whether these findings are relevant to natural ecosystems, especially those for which species diversity is threatened by anthropogenic global change. Here we analyse diversity-stability relationships from 41 grasslands on five continents and examine how these relationships are affected by chronic fertilization, one of the strongest drivers of species loss globally. Unmanipulated communities with more species had greater species asynchrony, resulting in more stable biomass production, generalizing a result from biodiversity experiments to real-world grasslands. However, fertilization weakened the positive effect of diversity on stability. Contrary to expectations, this was not due to species loss after eutrophication but rather to an increase in the temporal variation of productivity in combination with a decrease in species asynchrony in diverse communities. Our results demonstrate separate and synergistic effects of diversity and eutrophication on stability, emphasizing the need to understand how drivers of global change interactively affect the reliable provisioning of ecosystem services in real-world systems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hautier, Yann -- Seabloom, Eric W -- Borer, Elizabeth T -- Adler, Peter B -- Harpole, W Stanley -- Hillebrand, Helmut -- Lind, Eric M -- MacDougall, Andrew S -- Stevens, Carly J -- Bakker, Jonathan D -- Buckley, Yvonne M -- Chu, Chengjin -- Collins, Scott L -- Daleo, Pedro -- Damschen, Ellen I -- Davies, Kendi F -- Fay, Philip A -- Firn, Jennifer -- Gruner, Daniel S -- Jin, Virginia L -- Klein, Julia A -- Knops, Johannes M H -- La Pierre, Kimberly J -- Li, Wei -- McCulley, Rebecca L -- Melbourne, Brett A -- Moore, Joslin L -- O'Halloran, Lydia R -- Prober, Suzanne M -- Risch, Anita C -- Sankaran, Mahesh -- Schuetz, Martin -- Hector, Andy -- England -- Nature. 2014 Apr 24;508(7497):521-5. doi: 10.1038/nature13014. Epub 2014 Feb 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Department of Ecology, Evolution, and Behavior, University of Minnesota, St Paul, Minnesota 55108, USA [2] Institute of Evolutionary Biology and Environmental Studies, University of Zurich, 8057 Zurich, Switzerland. ; Department of Ecology, Evolution, and Behavior, University of Minnesota, St Paul, Minnesota 55108, USA. ; Department of Wildland Resources and the Ecology Center, Utah State University, Logan, Utah 84322, 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 Oldenburg, D-26111 Oldenburg, Germany. ; Department of Integrative Biology, University of Guelph, Guelph, Ontario N1G 2W1, Canada. ; Lancaster Environment Centre, Lancaster University, Lancaster LA1 4YQ, UK. ; School of Environmental and Forest Sciences, University of Washington, Seattle, Washington 98195, USA. ; 1] Australian Research Council Centre of Excellence for Environmental Decisions, School of Biological Sciences, The University of Queensland, Queensland 4072, Australia [2] School of Natural Sciences, Department of Zoology, Trinity College Dublin, Dublin 2, Ireland. ; State Key Laboratory of Grassland and Agro-Ecosystems, Research Station of Alpine Meadow and Wetland Ecosystems, School of Life Sciences, Lanzhou University, Lanzhou 730000, China. ; Department of Biology, MSC03-2020, University of New Mexico, Albuquerque, New Mexico 87131, USA. ; Instituto de Investigaciones Marinas y Costeras (IIMyC) (CONICET-UNMdP), Mar del Plata 7600, Argentina. ; Department of Zoology, University of Wisconsin, Madison, Wisconsin 53706, USA. ; Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, Colorado 80309, USA. ; United States Department of Agriculture Agricultural Research Service, Grassland Soil and Water Research Lab, Temple, Texas 76502, USA. ; Queensland University of Technology, School of Biological Sciences, Brisbane 4000, Australia. ; Department of Entomology, University of Maryland, College Park, Maryland 20742, USA. ; United States Department of Agriculture Agricultural Research Service, Agroecosystem Management Research Unit, Lincoln, Nebraska 68583, USA. ; Department of Forest, Rangeland and Watershed Stewardship, Colorado State University, Fort Collins, Colorado 80523, USA. ; School of Biological Sciences, University of Nebraska, Lincoln, Nebraska 68588, USA. ; Berkeley Initiative for Global Change Biology, University of California, Berkeley, California 94720, USA. ; Yunnan Academy of Biodiversity, Southwest Forestry University, Kunming 650224, China. ; Department of Plant and Soil Sciences, University of Kentucky, Lexington, Kentucky 40546, USA. ; 1] Australian Research Centre for Urban Ecology, Melbourne, c/o School of Botany, University of Melbourne, Victoria 3010, Australia [2] School of Biological Sciences, Monash University, Victoria 3800, Australia. ; Department of Zoology, Oregon State University, Corvallis, Oregon 97331, USA. ; CSIRO Ecosystem Sciences, Wembley, WA 6913, Australia. ; Swiss Federal Institute for Forest, Snow and Landscape Research, 8903 Birmensdorf, Switzerland. ; 1] School of Biology, University of Leeds, Leeds LS2 9JT, UK [2] National Centre for Biological Sciences, GKVK Campus, Bangalore 560065, India. ; Department of Plant Sciences, University of Oxford, Oxford OX1 3RB, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24531763" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; Biomass ; Climate ; *Eutrophication/drug effects ; Fertilizers/*adverse effects ; Geography ; International Cooperation ; *Poaceae/drug effects/physiology ; 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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  • 3
    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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  • 4
    Publication Date: 2015-04-18
    Description: Human-driven environmental changes may simultaneously affect the biodiversity, productivity, and stability of Earth's ecosystems, but there is no consensus on the causal relationships linking these variables. Data from 12 multiyear experiments that manipulate important anthropogenic drivers, including plant diversity, nitrogen, carbon dioxide, fire, herbivory, and water, show that each driver influences ecosystem productivity. However, the stability of ecosystem productivity is only changed by those drivers that alter biodiversity, with a given decrease in plant species numbers leading to a quantitatively similar decrease in ecosystem stability regardless of which driver caused the biodiversity loss. These results suggest that changes in biodiversity caused by drivers of environmental change may be a major factor determining how global environmental changes affect ecosystem stability.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hautier, Yann -- Tilman, David -- Isbell, Forest -- Seabloom, Eric W -- Borer, Elizabeth T -- Reich, Peter B -- New York, N.Y. -- Science. 2015 Apr 17;348(6232):336-40. doi: 10.1126/science.aaa1788.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Plant Sciences, University of Oxford, Oxford OX1 3RB, UK. Department of Ecology, Evolution and Behavior, University of Minnesota Twin Cities, Saint Paul, MN 55108, USA. Ecology and Biodiversity Group, Department of Biology, Utrecht University, Padualaan 8, 3584 CH Utrecht, Netherlands. yann.hautier@plants.ox.ac.uk. ; Department of Ecology, Evolution and Behavior, University of Minnesota Twin Cities, Saint Paul, MN 55108, USA. Bren School of the Environment, University of California, Santa Barbara, CA 93106, USA. ; Department of Ecology, Evolution and Behavior, University of Minnesota Twin Cities, Saint Paul, MN 55108, USA. ; Department of Forest Resources, University of Minnesota, Saint Paul, MN 55108, USA. Hawkesbury Institute for the Environment, University of Western Sydney, Penrith, NSW 2753, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25883357" target="_blank"〉PubMed〈/a〉
    Keywords: *Biodiversity ; Carbon Dioxide ; Fires ; Herbivory ; *Human Activities ; Humans ; Nitrogen ; *Plants ; Water
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
    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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  • 6
    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〉
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  • 7
    Publication Date: 2015-10-16
    Description: It remains unclear whether biodiversity buffers ecosystems against climate extremes, which are becoming increasingly frequent worldwide. Early results suggested that the ecosystem productivity of diverse grassland plant communities was more resistant, changing less during drought, and more resilient, recovering more quickly after drought, than that of depauperate communities. However, subsequent experimental tests produced mixed results. Here we use data from 46 experiments that manipulated grassland plant diversity to test whether biodiversity provides resistance during and resilience after climate events. We show that biodiversity increased ecosystem resistance for a broad range of climate events, including wet or dry, moderate or extreme, and brief or prolonged events. Across all studies and climate events, the productivity of low-diversity communities with one or two species changed by approximately 50% during climate events, whereas that of high-diversity communities with 16-32 species was more resistant, changing by only approximately 25%. By a year after each climate event, ecosystem productivity had often fully recovered, or overshot, normal levels of productivity in both high- and low-diversity communities, leading to no detectable dependence of ecosystem resilience on biodiversity. Our results suggest that biodiversity mainly stabilizes ecosystem productivity, and productivity-dependent ecosystem services, by increasing resistance to climate events. Anthropogenic environmental changes that drive biodiversity loss thus seem likely to decrease ecosystem stability, and restoration of biodiversity to increase it, mainly by changing the resistance of ecosystem productivity to climate events.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Isbell, Forest -- Craven, Dylan -- Connolly, John -- Loreau, Michel -- Schmid, Bernhard -- Beierkuhnlein, Carl -- Bezemer, T Martijn -- Bonin, Catherine -- Bruelheide, Helge -- de Luca, Enrica -- Ebeling, Anne -- Griffin, John N -- Guo, Qinfeng -- Hautier, Yann -- Hector, Andy -- Jentsch, Anke -- Kreyling, Jurgen -- Lanta, Vojtech -- Manning, Pete -- Meyer, Sebastian T -- Mori, Akira S -- Naeem, Shahid -- Niklaus, Pascal A -- Polley, H Wayne -- Reich, Peter B -- Roscher, Christiane -- Seabloom, Eric W -- Smith, Melinda D -- Thakur, Madhav P -- Tilman, David -- Tracy, Benjamin F -- van der Putten, Wim H -- van Ruijven, Jasper -- Weigelt, Alexandra -- Weisser, Wolfgang W -- Wilsey, Brian -- Eisenhauer, Nico -- England -- Nature. 2015 Oct 22;526(7574):574-7. doi: 10.1038/nature15374. Epub 2015 Oct 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology, Evolution and Behavior, University of Minnesota Twin Cities, Saint Paul, Minnesota 55108, USA. ; German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, 04103 Leipzig, Germany. ; Institute of Biology, Leipzig University, Johannisallee 21, 04103 Leipzig, Germany. ; Ecological and Environmental Modelling Group, School of Mathematics and Statistics, University College Dublin, Dublin 4, Ireland. ; Centre for Biodiversity Theory and Modelling, Experimental Ecology Station, Centre National de la Recherche Scientifique, Moulis 09200, France. ; Institute of Evolutionary Biology and Environmental Studies, University of Zurich, 8057 Zurich, Switzerland. ; Department of Biogeography, BayCEER, University of Bayreuth, 95440 Bayreuth, Germany. ; Department of Terrestrial Ecology, Netherlands Institute of Ecology (NIOO-KNAW), PO Box 50, 6700 AB Wageningen, The Netherlands. ; Department of Agronomy, Iowa State University, Ames, Iowa 50011, USA. ; Institute of Biology, Martin Luther University Halle-Wittenberg, 06108 Halle, Germany. ; Institute of Ecology, Friedrich Schiller University Jena, Dornburger Strasse 159, 07743 Jena, Germany. ; Department of Biosciences, Swansea University, Singleton Park, Swansea SA28PP, UK. ; USDA FS, Eastern Forest Environmental Threat Assessment Center, RTP, North Carolina 27709, USA. ; Ecology and Biodiversity Group, Department of Biology, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands. ; Department of Plant Sciences, University of Oxford, Oxford OX1 3RB, UK. ; Disturbance Ecology, BayCEER, University of Bayreuth, 95440 Bayreuth, Germany. ; Institute of Botany and Landscape Ecology, Ernst-Moritz-Arndt University Greifswald, D-17487 Greifswald, Germany. ; Department of Botany, Faculty of Science, University of South Bohemia, Branisovska 31, 37005 Ceske Budejovice, Czech Republic. ; Institute for Plant Sciences, University of Bern, CH-3013 Bern, Switzerland. ; Department of Ecology and Ecosystem Management, School of Life Sciences Weihenstephan, Technische Universitat Munchen, 85354 Freising, Germany. ; Graduate School of Environment and Information Sciences, Yokohama National University, 79-7 Tokiwadai, Hodogaya, Yokohama, Kanagawa, 240-8501, Japan. ; Department of Ecology, Evolution, and Environmental Biology, Columbia University, New York, New York 10027, USA. ; US Department of Agriculture Agricultural Research Service, Grassland, Soil and Water Research Laboratory, Temple, Texas 76502, USA. ; Department of Forest Resources, University of Minnesota Twin Cities, Saint Paul, Minnesota 55108 USA. ; Hawkesbury Institute for the Environment, University of Western Sydney, Penrith, New South Wales 2753, Australia. ; UFZ Helmholtz Centre for Environmental Research, Community Ecology, 06120 Halle, Germany. ; Graduate Degree Program in Ecology and Department of Biology, Colorado State University, Fort Collins, Colorado 80523, USA. ; Bren School of Environmental Science and Management, University of California, Santa Barbara, California 93106 USA. ; Crop and Soil Environmental Sciences, Smyth Hall 0404, Virginia Tech, Blacksburg, Virginia 24061, USA. ; Laboratory of Nematology, Wageningen University and Research Centre, PO Box 8123, 6700 ES Wageningen, The Netherlands. ; Nature Conservation and Plant Ecology Group, Wageningen University, PO Box 47, 6700 AA Wageningen, The Netherlands. ; Department of Ecology, Evolution and Organismal Biology, Iowa State University, Ames, Iowa 50011, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26466564" target="_blank"〉PubMed〈/a〉
    Keywords: *Biodiversity ; *Climate ; Climate Change/statistics & numerical data ; Conservation of Natural Resources ; Disasters/statistics & numerical data ; Droughts ; *Ecosystem ; Grassland ; Human Activities ; *Plant Physiological Phenomena
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Electronic Resource
    Electronic Resource
    Springer
    Oecologia 125 (2000), S. 26-34 
    ISSN: 1432-1939
    Keywords: Key words Thomomys bottae ; Animal movement ; Energetics ; Soil erosion ; Ecosystem engineer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  One way for animals to decrease energy expenditures is to minimize the cost of movement. For animals dwelling on slopes, gravity can impart a large energetic cost to movement. For this reason, animals traveling aboveground alter their movement patterns in response to the steepness of terrain (specifically hillslope angle) so as to minimize their energetic costs. Subterranean animals should also benefit from choosing optimum movement paths in relation to hillslopes but concurrently must factor the cost of excavation into their movement decisions. In cases where the excavation costs are much higher than the costs of working against gravity, excavation costs may override the consideration of gravitational costs and movement of subterranean animals may be independent of hillslope angle. To determine the response of a subterranean animal to hillslope angle, we excavated tunnels in the burrow systems of 19 pocket gophers in southern California that occupied hillslopes ranging from 2 to 30°. At each excavation we measured several characteristics of burrow geometry and used these data in a model of pocket gopher energetics to calculate the cost of tunnel construction at the various hillslope angles. We found that the cost of tunnel construction was independent of hillslope angle, and that the costs of shearing soil and pushing soil horizontally through the tunnels were 3 orders of magnitude greater than the costs of lifting the soil against the force of gravity. Accordingly, pocket gopher foraging tunnels were oriented independently of the hillslope. The decoupling of the movement patterns of subterranean animals from the effects of gravity is a distinctive feature of the subterranean habit compared to the movement of aboveground animals. Because of the important effects of tunnel construction on soil processes, this unique biological feature of subterranean animals has implications for basic physical processes, such as soil erosion. We found that the rate of soil flux generated by pocket gopher activity was invariant to hillslope. This relationship is in contrast to the most common model of soil movement generated by purely physical processes.
    Type of Medium: Electronic Resource
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    Publication Date: 2002-08-12
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
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