ecosystem

Summary

Summary: A functional system which includes the organisms of a natural community together with their environment. (McGraw Hill Dictionary of Scientific and Technical Terms, 4th ed)

Top Publications

  1. ncbi Biodiversity hotspots for conservation priorities
    N Myers
    Green College, Oxford University, Headington, UK
    Nature 403:853-8. 2000
  2. pmc Microbial diversity in the deep sea and the underexplored "rare biosphere"
    Mitchell L Sogin
    Josephine Bay Paul Center, Marine Biological Laboratory at Woods Hole, 7 MBL Street, Woods Hole, MA 02543, USA
    Proc Natl Acad Sci U S A 103:12115-20. 2006
  3. ncbi Coral reefs under rapid climate change and ocean acidification
    O Hoegh-Guldberg
    Centre for Marine Studies, University of Queensland, St Lucia, 4072 Queensland, Australia
    Science 318:1737-42. 2007
  4. ncbi A globally coherent fingerprint of climate change impacts across natural systems
    Camille Parmesan
    Integrative Biology, Patterson Laboratories 141, University of Texas, Austin, Texas 78712, USA
    Nature 421:37-42. 2003
  5. ncbi Global biodiversity scenarios for the year 2100
    O E Sala
    Department of Ecology and Instituto de Investigaciones Fisiológicas y Ecológicas vinculadas a la Agricultura, Faculty of Agronomy, University of Buenos Aires, Avenida San Martin 4453, Buenos Aires 1417, Argentina
    Science 287:1770-4. 2000
  6. ncbi Climate change, human impacts, and the resilience of coral reefs
    T P Hughes
    Centre for Coral Reef Biodiversity, James Cook University, Townsville, Qld 4811, Australia
    Science 301:929-33. 2003
  7. doi Functional metagenomic profiling of nine biomes
    Elizabeth A Dinsdale
    Department of Biology, San Diego State University, San Diego, California 92182, USA
    Nature 452:629-32. 2008
  8. ncbi Status and trends of amphibian declines and extinctions worldwide
    Simon N Stuart
    IUCN Species Survival Commission Conservation International Center for Applied Biodiversity Science Biodiversity Assessment Unit, 1919 M Street N W, Washington, DC 20036, USA
    Science 306:1783-6. 2004
  9. ncbi Archaea predominate among ammonia-oxidizing prokaryotes in soils
    S Leininger
    Department of Biology, University of Bergen, Jahnebakken 5, N 5020 Bergen, Norway
    Nature 442:806-9. 2006
  10. ncbi Confronting the coral reef crisis
    D R Bellwood
    Centre for Coral Reef Biodiversity, Dept of Marine Biology, James Cook University, Townsville, Queensland 4811, Australia
    Nature 429:827-33. 2004

Detail Information

Publications279 found, 100 shown here

  1. ncbi Biodiversity hotspots for conservation priorities
    N Myers
    Green College, Oxford University, Headington, UK
    Nature 403:853-8. 2000
    ..4% of the land surface of the Earth. This opens the way for a 'silver bullet' strategy on the part of conservation planners, focusing on these hotspots in proportion to their share of the world's species at risk...
  2. pmc Microbial diversity in the deep sea and the underexplored "rare biosphere"
    Mitchell L Sogin
    Josephine Bay Paul Center, Marine Biological Laboratory at Woods Hole, 7 MBL Street, Woods Hole, MA 02543, USA
    Proc Natl Acad Sci U S A 103:12115-20. 2006
    ..Members of the rare biosphere are highly divergent from each other and, at different times in earth's history, may have had a profound impact on shaping planetary processes...
  3. ncbi Coral reefs under rapid climate change and ocean acidification
    O Hoegh-Guldberg
    Centre for Marine Studies, University of Queensland, St Lucia, 4072 Queensland, Australia
    Science 318:1737-42. 2007
    ..As the International Year of the Reef 2008 begins, scaled-up management intervention and decisive action on global emissions are required if the loss of coral-dominated ecosystems is to be avoided...
  4. ncbi A globally coherent fingerprint of climate change impacts across natural systems
    Camille Parmesan
    Integrative Biology, Patterson Laboratories 141, University of Texas, Austin, Texas 78712, USA
    Nature 421:37-42. 2003
    ..This suite of analyses generates 'very high confidence' (as laid down by the IPCC) that climate change is already affecting living systems...
  5. ncbi Global biodiversity scenarios for the year 2100
    O E Sala
    Department of Ecology and Instituto de Investigaciones Fisiológicas y Ecológicas vinculadas a la Agricultura, Faculty of Agronomy, University of Buenos Aires, Avenida San Martin 4453, Buenos Aires 1417, Argentina
    Science 287:1770-4. 2000
    ..Plausible changes in biodiversity in other biomes depend on interactions among the causes of biodiversity change. These interactions represent one of the largest uncertainties in projections of future biodiversity change...
  6. ncbi Climate change, human impacts, and the resilience of coral reefs
    T P Hughes
    Centre for Coral Reef Biodiversity, James Cook University, Townsville, Qld 4811, Australia
    Science 301:929-33. 2003
    ..International integration of management strategies that support reef resilience need to be vigorously implemented, and complemented by strong policy decisions to reduce the rate of global warming...
  7. doi Functional metagenomic profiling of nine biomes
    Elizabeth A Dinsdale
    Department of Biology, San Diego State University, San Diego, California 92182, USA
    Nature 452:629-32. 2008
    ....
  8. ncbi Status and trends of amphibian declines and extinctions worldwide
    Simon N Stuart
    IUCN Species Survival Commission Conservation International Center for Applied Biodiversity Science Biodiversity Assessment Unit, 1919 M Street N W, Washington, DC 20036, USA
    Science 306:1783-6. 2004
    ..The lack of conservation remedies for these poorly understood declines means that hundreds of amphibian species now face extinction...
  9. ncbi Archaea predominate among ammonia-oxidizing prokaryotes in soils
    S Leininger
    Department of Biology, University of Bergen, Jahnebakken 5, N 5020 Bergen, Norway
    Nature 442:806-9. 2006
    ..Our results indicate that crenarchaeota may be the most abundant ammonia-oxidizing organisms in soil ecosystems on Earth...
  10. ncbi Confronting the coral reef crisis
    D R Bellwood
    Centre for Coral Reef Biodiversity, Dept of Marine Biology, James Cook University, Townsville, Queensland 4811, Australia
    Nature 429:827-33. 2004
    ..These findings have profound implications for restoration of degraded reefs, management of fisheries, and the focus on marine protected areas and biodiversity hotspots as priorities for conservation...
  11. ncbi A molecular view of microbial diversity and the biosphere
    N R Pace
    Department of Plant and Microbial Biology, University of California, Berkeley, CA 94720 3102, USA
    Science 276:734-40. 1997
    ....
  12. ncbi Historical overfishing and the recent collapse of coastal ecosystems
    J B Jackson
    Scripps Institution of Oceanography, University of California, San Diego, La Jolla, CA 92093 0244, USA
    Science 293:629-37. 2001
    ....
  13. doi Trophic downgrading of planet Earth
    James A Estes
    Department of Ecology and Evolutionary Biology, University of California, Santa Cruz, CA 95060, USA
    Science 333:301-6. 2011
    ..These findings emphasize the urgent need for interdisciplinary research to forecast the effects of trophic downgrading on process, function, and resilience in global ecosystems...
  14. pmc Emerging fungal threats to animal, plant and ecosystem health
    Matthew C Fisher
    Department of Infectious Disease Epidemiology, Imperial College, London W2 1PG, UK
    Nature 484:186-94. 2012
    ..We argue that nascent fungal infections will cause increasing attrition of biodiversity, with wider implications for human and ecosystem health, unless steps are taken to tighten biosecurity worldwide.
  15. ncbi Global consequences of land use
    Jonathan A Foley
    Center for Sustainability and the Global Environment SAGE, University of Wisconsin, 1710 University Avenue, Madison, WI 53726, USA
    Science 309:570-4. 2005
    ..We face the challenge of managing trade-offs between immediate human needs and maintaining the capacity of the biosphere to provide goods and services in the long term...
  16. pmc Diversity of the human intestinal microbial flora
    Paul B Eckburg
    Division of Infectious Diseases and Geographic Medicine, Stanford University School of Medicine, Room S 169, 300 Pasteur Drive, Stanford CA 94305 5107, USA
    Science 308:1635-8. 2005
    ..We discovered significant intersubject variability and differences between stool and mucosa community composition. Characterization of this immensely diverse ecosystem is the first step in elucidating its role in health and disease.
  17. doi Rapid range shifts of species associated with high levels of climate warming
    I Ching Chen
    Department of Biology, University of York, Wentworth Way, York YO10 5DD, UK
    Science 333:1024-6. 2011
    ..Rapid average shifts derive from a wide diversity of responses by individual species...
  18. ncbi Microbial biogeography: putting microorganisms on the map
    Jennifer B Hughes Martiny
    Department of Ecology and Evolutionary Biology, 80 Waterman Street, Box G W, Brown University, Providence, Rhode Island 02912, USA
    Nat Rev Microbiol 4:102-12. 2006
    ..However, recent studies also dispute the idea that 'everything is everywhere'. We also consider how the processes that generate and maintain biogeographic patterns in macroorganisms could operate in the microbial world...
  19. ncbi Anthropogenic ocean acidification over the twenty-first century and its impact on calcifying organisms
    James C Orr
    Laboratoire des Sciences du Climat et de l Environnement, UMR CEA CNRS, CEA Saclay, F 91191 Gif sur Yvette, France
    Nature 437:681-6. 2005
    ..Our findings indicate that conditions detrimental to high-latitude ecosystems could develop within decades, not centuries as suggested previously...
  20. ncbi Oceanography: anthropogenic carbon and ocean pH
    Ken Caldeira
    Energy and Environment Directorate, Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA
    Nature 425:365. 2003
  21. doi Evidence for ecological speciation and its alternative
    Dolph Schluter
    Biodiversity Research Centre and Zoology Department, University of British Columbia, Vancouver, BC V6T 1Z4, Canada
    Science 323:737-41. 2009
    ..However, we still have not identified all aspects of selection, and identifying the underlying genes for reproductive isolation remains challenging...
  22. ncbi Fingerprints of global warming on wild animals and plants
    Terry L Root
    Center for Environmental Science and Policy, Institute for International Studies, Stanford University, Stanford, California 94305, USA
    Nature 421:57-60. 2003
    ....
  23. doi Divergent selection and heterogeneous genomic divergence
    Patrik Nosil
    Zoology Department and Biodiversity Research Centre, University of British Columbia, Vancouver BC, Canada
    Mol Ecol 18:375-402. 2009
    ..e. genomic islands of divergence), a topic in need of future investigation...
  24. ncbi Global biodiversity: indicators of recent declines
    Stuart H M Butchart
    United Nations Environment Programme World Conservation Monitoring Centre, 219 Huntingdon Road, Cambridge CB3 0DL, UK
    Science 328:1164-8. 2010
    ....
  25. ncbi Early-warning signals for critical transitions
    Marten Scheffer
    Department of Environmental Sciences, Wageningen University, PO Box 47, 6700 AA Wageningen, The Netherlands
    Nature 461:53-9. 2009
    ....
  26. ncbi Toward an ecological classification of soil bacteria
    Noah Fierer
    Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, Colorado 80309, USA
    Ecology 88:1354-64. 2007
    ....
  27. ncbi Impacts of biodiversity loss on ocean ecosystem services
    Boris Worm
    Department of Biology, Dalhousie University, Halifax, NS, Canada B3H 4J1
    Science 314:787-90. 2006
    ..long-term regional time series, and global fisheries data to test how biodiversity loss affects marine ecosystem services across temporal and spatial scales...
  28. doi A large and persistent carbon sink in the world's forests
    Yude Pan
    U S Department of Agriculture Forest Service, Newtown Square, PA 19073, USA
    Science 333:988-93. 2011
    ..Using forest inventory data and long-term ecosystem carbon studies, we estimate a total forest sink of 2.4 ± 0...
  29. ncbi Host-bacterial mutualism in the human intestine
    Fredrik Backhed
    Center for Genome Sciences, Washington University School of Medicine, St Louis, MO 63108, USA
    Science 307:1915-20. 2005
    ..We are also starting to understand how certain keystone members of the microbiota operate to maintain the stability and functional adaptability of this microbial organ...
  30. doi Do invasive species show higher phenotypic plasticity than native species and, if so, is it adaptive? A meta-analysis
    Amy Michelle Davidson
    Research School of Biology, Australian National University, Acton, ACT 0200, Australia
    Ecol Lett 14:419-31. 2011
    ....
  31. doi A global map of human impact on marine ecosystems
    Benjamin S Halpern
    National Center for Ecological Analysis and Synthesis, 735 State Street, Santa Barbara, CA 93101, USA
    Science 319:948-52. 2008
    ..We developed an ecosystem-specific, multiscale spatial model to synthesize 17 global data sets of anthropogenic drivers of ecological ..
  32. doi Plant species and soil type cooperatively shape the structure and function of microbial communities in the rhizosphere
    Gabriele Berg
    Graz University of Technology, Environmental Biotechnology, Graz, Austria
    FEMS Microbiol Ecol 68:1-13. 2009
    ..not only for plant nutrition, health and quality but also for microorganism-driven carbon sequestration, ecosystem functioning and nutrient cycling in terrestrial ecosystems...
  33. ncbi Marine viruses--major players in the global ecosystem
    Curtis A Suttle
    University of British Columbia, Departments of Earth and Ocean Sciences, Botany, and Microbiology and Immunology, 1461 BioSciences, 6270 University Boulevard, Vancouver, British Columbia V6T 1Z4, Canada
    Nat Rev Microbiol 5:801-12. 2007
    ..Probing this vast reservoir of genetic and biological diversity continues to yield exciting discoveries...
  34. ncbi The impact of climate change on the world's marine ecosystems
    Ove Hoegh-Guldberg
    Ocean and Coasts Program, Global Change Institute, University of Queensland, St Lucia, QLD 4072, Australia
    Science 328:1523-8. 2010
    ..Further change will continue to create enormous challenges and costs for societies worldwide, particularly those in developing countries...
  35. ncbi Cryptic species as a window on diversity and conservation
    David Bickford
    Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Singapore 117543, Republic of Singapore
    Trends Ecol Evol 22:148-55. 2007
    ..The discovery of cryptic species is likely to be non-random with regard to taxon and biome and, hence, could have profound implications for evolutionary theory, biogeography and conservation planning...
  36. pmc Introducing DOTUR, a computer program for defining operational taxonomic units and estimating species richness
    Patrick D Schloss
    Department of Plant Pathology, University of Wisconsin Madison, 1630 Linden Dr, Madison, WI 53706, USA
    Appl Environ Microbiol 71:1501-6. 2005
    ..We anticipate that an equivalent extent of sampling for soil would require sampling more than 10,000 sequences, almost 100 times the size of typical sequence collections obtained from soil...
  37. ncbi The worldwide leaf economics spectrum
    Ian J Wright
    Department of Biological Sciences, Macquarie University, New South Wales 2109, Australia
    Nature 428:821-7. 2004
    ..Reliable quantification of the leaf economics spectrum and its interaction with climate will prove valuable for modelling nutrient fluxes and vegetation boundaries under changing land-use and climate...
  38. ncbi Quantifying the evidence for biodiversity effects on ecosystem functioning and services
    Patricia Balvanera
    Centro de Investigaciones en Ecosistemas, UNAM, Morelia, Mexico
    Ecol Lett 9:1146-56. 2006
    Concern is growing about the consequences of biodiversity loss for ecosystem functioning, for the provision of ecosystem services, and for human well being...
  39. ncbi Phase shifts, herbivory, and the resilience of coral reefs to climate change
    Terence P Hughes
    Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville QLD 4811, Australia
    Curr Biol 17:360-5. 2007
    ....
  40. doi Scenarios for global biodiversity in the 21st century
    Henrique M Pereira
    Centro de Biologia Ambiental, Faculdade de Ciencias da Universidade de Lisboa, 1749 016 Lisboa, Portugal
    Science 330:1496-501. 2010
    ..of age as a tool for evaluating the impact of future socioeconomic development pathways on biodiversity and ecosystem services...
  41. ncbi Catastrophic shifts in ecosystems
    M Scheffer
    Department of Aquatic Ecology and Water Quality Management, Wageningen University, PO Box 8080, NL 6700 DD Wageningen, The Netherlands
    Nature 413:591-6. 2001
    ..This suggests that strategies for sustainable management of such ecosystems should focus on maintaining resilience...
  42. ncbi Effects of biodiversity on the functioning of trophic groups and ecosystems
    Bradley J Cardinale
    Department of Ecology, Evolution and Marine Biology, University of California at Santa Barbara, Santa Barbara, California 93106, USA
    Nature 443:989-92. 2006
    ..species diversity to examine how it affects the functioning of numerous trophic groups in multiple types of ecosystem. We show that the average effect of decreasing species richness is to decrease the abundance or biomass of the ..
  43. doi One-third of reef-building corals face elevated extinction risk from climate change and local impacts
    Kent E Carpenter
    IUCN International Union for Conservation of Nature Species Programme Species Survival Commission SSC, Biological Sciences, Old Dominion University, Norfolk, VA 23529, USA
    Science 321:560-3. 2008
    ..Our results emphasize the widespread plight of coral reefs and the urgent need to enact conservation measures...
  44. doi Meta-analysis reveals negative yet variable effects of ocean acidification on marine organisms
    Kristy J Kroeker
    Stanford University, Hopkins Marine Station, Pacific Grove, CA 93950, USA
    Ecol Lett 13:1419-34. 2010
    ..Our analyses suggest that the biological effects of ocean acidification are generally large and negative, but the variation in sensitivity amongst organisms has important implications for ecosystem responses.
  45. ncbi Global analysis of nitrogen and phosphorus limitation of primary producers in freshwater, marine and terrestrial ecosystems
    James J Elser
    School of Life Sciences, Arizona State University, Tempe, AZ 85287, USA
    Ecol Lett 10:1135-42. 2007
    ..Thus, contrary to some prevailing paradigms, freshwater, marine and terrestrial ecosystems are surprisingly similar in terms of N and P limitation...
  46. doi Tracking apex marine predator movements in a dynamic ocean
    B A Block
    Stanford University, Biology Department, Hopkins Marine Station, Pacific Grove, California 93950, USA
    Nature 475:86-90. 2011
    ..Improved understanding of ecological patterns, evolutionary constraints and ecosystem function is critical for preventing extinctions, loss of biodiversity and disruption of ecosystem services...
  47. ncbi A global synthesis reveals biodiversity loss as a major driver of ecosystem change
    David U Hooper
    Department of Biology, Western Washington University, Bellingham, Washington 98225 9160, USA
    Nature 486:105-8. 2012
    ..Further species loss will accelerate change in ecosystem processes, but it is unclear how these effects compare to the direct effects of other forms of environmental ..
  48. doi An Earth-system perspective of the global nitrogen cycle
    Nicolas Gruber
    Environmental Physics Group, Institute of Biogeochemistry and Pollutant Dynamics, ETH Zurich, Universitatstrasse 16, 8092 Zurich, Switzerland
    Nature 451:293-6. 2008
  49. ncbi Global trajectories of the long-term decline of coral reef ecosystems
    John M Pandolfi
    Department of Paleobiology, MRC 121, National Museum of Natural History, Post Office Box 37012, Smithsonian Institution, Washington, DC 20013 7012, USA
    Science 301:955-8. 2003
    ..All reefs were substantially degraded long before outbreaks of coral disease and bleaching. Regardless of these new threats, reefs will not survive without immediate protection from human exploitation over large spatial scales...
  50. doi Microbial community structure and its functional implications
    Jed A Fuhrman
    Department of Biological Sciences, University of Southern California, Los Angeles, California 90089, USA
    Nature 459:193-9. 2009
    ..Some microbial systems are found to change predictably, helping us to anticipate how microbial communities and their activities will shift in a changing world...
  51. pmc Multivariate analyses in microbial ecology
    Alban Ramette
    Microbial habitat group, Max Planck Institute for Marine Microbiology, Bremen, Germany
    FEMS Microbiol Ecol 62:142-60. 2007
    ..Because such tools aim at reducing data set complexity, at identifying major patterns and putative causal factors, they will certainly find many applications in microbial ecology...
  52. ncbi Global dispersal of free-living microbial eukaryote species
    Bland J Finlay
    Centre for Ecology and Hydrology Windermere, Ferry House, Ambleside, Cumbria LA22 0LP, UK
    Science 296:1061-3. 2002
    ..dispersal requires an alternative view of the scale and dynamics of biodiversity at the microbial level, wherein global species number is relatively low and local species richness is always sufficient to drive ecosystem functions.
  53. ncbi Biodiversity and ecosystem functioning: current knowledge and future challenges
    M Loreau
    Laboratoire d Ecologie, UMR 7625, Ecole Normale Superieure, 46 rue d Ulm, F 75230 Paris cedex 05, France
    Science 294:804-8. 2001
    ..Major advances have been made in describing the relationship between species diversity and ecosystem processes, in identifying functionally important species, and in revealing underlying mechanisms...
  54. ncbi Rebuilding global fisheries
    Boris Worm
    Biology Department, Dalhousie University, Halifax, NS B3H 4J1, Canada
    Science 325:578-85. 2009
    ..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...
  55. doi Mechanistic niche modelling: combining physiological and spatial data to predict species' ranges
    Michael Kearney
    Department of Zoology, The University of Melbourne, Melbourne, VIC 3010, Australia
    Ecol Lett 12:334-50. 2009
    ..As physiological knowledge becomes better integrated into SDMs, we will make more robust predictions of range shifts in novel or non-equilibrium contexts such as invasions, translocations, climate change and evolutionary shifts...
  56. pmc Regional decline of coral cover in the Indo-Pacific: timing, extent, and subregional comparisons
    John F Bruno
    Department of Marine Sciences, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
    PLoS ONE 2:e711. 2007
    ..However, little is known about the timing, rate or spatial variability of the loss of reef-building corals, especially in the Indo-Pacific, which contains 75% of the world's coral reefs...
  57. pmc Simultaneous assessment of soil microbial community structure and function through analysis of the meta-transcriptome
    Tim Urich
    Centre of Geobiology, Department of Biology, University of Bergen, Bergen, Norway
    PLoS ONE 3:e2527. 2008
    ..Experimental approaches studying these systems usually focus on either the soil community's taxonomic structure or its functional characteristics. Many methods target DNA as marker molecule and use PCR for amplification...
  58. pmc A guide to the natural history of freshwater lake bacteria
    Ryan J Newton
    Great Lakes WATER Institute, University of Wisconsin Milwaukee, Milwaukee, Wisconsin, USA
    Microbiol Mol Biol Rev 75:14-49. 2011
    ..We conclude by emphasizing the role that this review can play in providing a coherent framework for future studies...
  59. doi Environmental niche equivalency versus conservatism: quantitative approaches to niche evolution
    Dan L Warren
    Department of Evolution and Ecology, University of California, Davis, California 95616, USA
    Evolution 62:2868-83. 2008
    ..We suggest various randomization tests that may prove useful in other areas of ecology and evolutionary biology...
  60. pmc Ecological niche partitioning between Anopheles gambiae molecular forms in Cameroon: the ecological side of speciation
    Frederic Simard
    Laboratoire de Lutte contre les Insectes Nuisibles, Institut de Recherche pour le Developpement, UR016, 911 Av Agropolis, Cedex 5, Montpellier, France
    BMC Ecol 9:17. 2009
    ....
  61. pmc Impacts of climate warming on terrestrial ectotherms across latitude
    Curtis A Deutsch
    Program on Climate Change and Department of Oceanography and Department of Biology, University of Washington, Seattle, WA 98195, USA
    Proc Natl Acad Sci U S A 105:6668-72. 2008
    ..Our analyses imply that, in the absence of ameliorating factors such as migration and adaptation, the greatest extinction risks from global warming may be in the tropics, where biological diversity is also greatest...
  62. ncbi Spreading dead zones and consequences for marine ecosystems
    Robert J Diaz
    Virginia Institute of Marine Science, College of William and Mary, Gloucester Point, VA 23062, USA
    Science 321:926-9. 2008
    Dead zones in the coastal oceans have spread exponentially since the 1960s and have serious consequences for ecosystem functioning...
  63. doi Volcanic carbon dioxide vents show ecosystem effects of ocean acidification
    Jason M Hall-Spencer
    Marine Institute, Marine Biology and Ecology Research Centre, University of Plymouth, Plymouth PL4 8AA, UK
    Nature 454:96-9. 2008
    ..as almost all studies have been in vitro, short-term, rapid perturbation experiments on isolated elements of the ecosystem. Here we show the effects of acidification on benthic ecosystems at shallow coastal sites where volcanic CO(2) ..
  64. pmc An integrative study of a meromictic lake ecosystem in Antarctica
    Federico M Lauro
    School of Biotechnology and Biomolecular Sciences, The University of New South Wales, Sydney, NSW 2052, Australia
    ISME J 5:879-95. 2011
    ..Our view is that the health of this delicate ecosystem is dictated by the effects of the polar light cycle on the dominant role of green sulfur bacteria in primary ..
  65. doi The microbial engines that drive Earth's biogeochemical cycles
    Paul G Falkowski
    Environmental Biophysics and Molecular Ecology Program, Institute of Marine and Coastal Sciences and Department of Earth and Planetary Sciences, Rutgers University, New Brunswick, NJ 08901, USA
    Science 320:1034-9. 2008
    ..A major challenge in the coming decades is to understand how these machines evolved, how they work, and the processes that control their activity on both molecular and planetary scales...
  66. ncbi Computational improvements reveal great bacterial diversity and high metal toxicity in soil
    Jason Gans
    Bioscience Division, Los Alamos National Laboratory, Los Alamos, NM 87501, USA
    Science 309:1387-90. 2005
    ..Metal pollution reduced diversity more than 99.9%, revealing the highly toxic effect of metal contamination, especially for rare taxa...
  67. ncbi Pattern-oriented modeling of agent-based complex systems: lessons from ecology
    Volker Grimm
    UFZ Umweltforschungszentrum Leipzig Halle, Department Okologische Systemanalyse, PF 500 136, 04301 Leipzig, Germany
    Science 310:987-91. 2005
    ..This strategy provides a unifying framework for decoding the internal organization of agent-based complex systems and may lead toward unifying algorithmic theories of the relation between adaptive behavior and system complexity...
  68. doi Genetic diversity and connectivity of deep-sea hydrothermal vent metapopulations
    Robert C Vrijenhoek
    Monterey Bay Aquarium Research Institute, Moss Landing, CA 95039, USA
    Mol Ecol 19:4391-411. 2010
    ..Understanding the diversity and connectivity of vent metapopulations provides essential information for designing deep-sea preserves in regions that are under consideration for submarine mining of precious metals...
  69. ncbi Parallel declines in pollinators and insect-pollinated plants in Britain and the Netherlands
    J C Biesmeijer
    Institute of Integrative and Comparative Biology and Earth and Biosphere Institute, University of Leeds, Leeds, LS2 9JT, UK
    Science 313:351-4. 2006
    ..Taken together, these findings strongly suggest a causal connection between local extinctions of functionally linked plant and pollinator species...
  70. doi The status of the world's land and marine mammals: diversity, threat, and knowledge
    Jan Schipper
    International Union for Conservation of Nature IUCN Species Programme, IUCN, 28 Rue Mauverney, 1196 Gland, Switzerland
    Science 322:225-30. 2008
    ..Marine mammals are also disproportionately poorly known. These data are made freely available to support further scientific developments and conservation action...
  71. ncbi Range shifts and adaptive responses to Quaternary climate change
    M B Davis
    Department of Ecology, Evolution and Behavior, University of Minnesota, Saint Paul, MN 55108, USA
    Science 292:673-9. 2001
    ....
  72. pmc Baselines and degradation of coral reefs in the Northern Line Islands
    Stuart A Sandin
    Center for Marine Biodiversity and Conservation, Scripps Institution of Oceanography, La Jolla, California, USA
    PLoS ONE 3:e1548. 2008
    ..Thus, protection from overfishing and pollution appears to increase the resilience of reef ecosystems to the effects of global warming...
  73. ncbi Niche partitioning among Prochlorococcus ecotypes along ocean-scale environmental gradients
    Zackary I Johnson
    Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, 15 Vassar Street 48 419, Cambridge, MA 02139, USA
    Science 311:1737-40. 2006
    ..Light, nutrients, and competitor abundances also appeared to play a role in shaping different distributions...
  74. ncbi Ecological linkages between aboveground and belowground biota
    David A Wardle
    Landcare Research, Post Office Box 69, Lincoln, New Zealand
    Science 304:1629-33. 2004
    ..ecosystems consist of aboveground and belowground components that interact to influence community- and ecosystem-level processes and properties...
  75. ncbi Microbial structuring of marine ecosystems
    Farooq Azam
    Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California 92093, USA
    Nat Rev Microbiol 5:782-91. 2007
    ..This approach to microbial oceanography is not only helpful, but is in fact indispensable...
  76. ncbi Consequences of changing biodiversity
    F S Chapin
    Institute of Arctic Biology, University of Alaska, Fairbanks 99775, USA
    Nature 405:234-42. 2000
    ..These changes in biodiversity alter ecosystem processes and change the resilience of ecosystems to environmental change...
  77. ncbi The impacts of climate change in coastal marine systems
    Christopher D G Harley
    Bodega Marine Laboratory, University of California Davis, Bodega Bay, CA 94923, USA
    Ecol Lett 9:228-41. 2006
    ....
  78. doi Environmental context explains Lévy and Brownian movement patterns of marine predators
    Nicolas E Humphries
    Marine Biological Association of the United Kingdom, The Laboratory, Citadel Hill, Plymouth PL1 2PB, UK
    Nature 465:1066-9. 2010
    ..These results are consistent with the Lévy-flight foraging hypothesis, supporting the contention that organism search strategies naturally evolved in such a way that they exploit optimal Lévy patterns...
  79. ncbi Environmental genome shotgun sequencing of the Sargasso Sea
    J Craig Venter
    Institute for Biological Energy Alternatives, 1901 Research Boulevard, Rockville, MD 20850, USA
    Science 304:66-74. 2004
    ..2 million previously unknown genes represented in these samples, including more than 782 new rhodopsin-like photoreceptors. Variation in species present and stoichiometry suggests substantial oceanic microbial diversity...
  80. ncbi The unseen majority: soil microbes as drivers of plant diversity and productivity in terrestrial ecosystems
    Marcel G A van der Heijden
    Department of Animal Ecology, Faculty of Earth and Life Sciences, Institute of Ecological Science, Vrije Universiteit Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands
    Ecol Lett 11:296-310. 2008
    ..Despite their abundance, the impact of soil microbes on ecosystem processes is still poorly understood...
  81. pmc The nested assembly of plant-animal mutualistic networks
    Jordi Bascompte
    Integrative Ecology Group, Estacion Biologica de Donana, Consejo Superior de Investigaciones Cientificas, Apartado 1056, E 41080 Sevilla, Spain
    Proc Natl Acad Sci U S A 100:9383-7. 2003
    ..Our results indicate a nonrandom pattern of community organization that may be relevant for our understanding of the organization and persistence of biodiversity...
  82. ncbi Long-term region-wide declines in Caribbean corals
    Toby A Gardner
    School of Biological Sciences, University of East Anglia, Norwich NR4 7TJ, UK
    Science 301:958-60. 2003
    ..The ability of Caribbean coral reefs to cope with future local and global environmental change may be irretrievably compromised...
  83. ncbi Global patterns in biodiversity
    K J Gaston
    Department of Animal and Plant Sciences, University of Sheffield, UK
    Nature 405:220-7. 2000
    ..Theory is, however, developing rapidly, improving in its internal consistency, and more readily subjected to empirical challenge...
  84. ncbi A serpentinite-hosted ecosystem: the Lost City hydrothermal field
    Deborah S Kelley
    School of Oceanography, University of Washington, Seattle, WA 98195, USA
    Science 307:1428-34. 2005
    The serpentinite-hosted Lost City hydrothermal field is a remarkable submarine ecosystem in which geological, chemical, and biological processes are intimately interlinked...
  85. pmc Global patterns and predictions of seafloor biomass using random forests
    Chih Lin Wei
    Department of Oceanography, Texas A and M University, College Station, Texas, United States of America
    PLoS ONE 5:e15323. 2010
    ..This biomass census and associated maps are vital components of mechanistic deep-sea food web models and global carbon cycling, and as such provide fundamental information that can be incorporated into evidence-based management...
  86. ncbi Autotrophic carbon fixation in archaea
    Ivan A Berg
    Mikrobiologie, Fakultat Biologie, Universitat Freiburg, Schanzlestrasse 1, D 79104 Freiburg, Germany
    Nat Rev Microbiol 8:447-60. 2010
    ..These reactions differ fundamentally from those of the well-known Calvin cycle, and their distribution mirrors the phylogenetic positions of the archaeal lineages and the needs of the ecological niches that they occupy...
  87. ncbi Multiple functions increase the importance of biodiversity for overall ecosystem functioning
    Lars Gamfeldt
    Department of Marine Ecology, Goteborg University, Tjärnö Marine Biological Laboratory, SE 452 96 Strömstad, Sweden
    Ecology 89:1223-31. 2008
    Biodiversity is proposed to be important for the rate of ecosystem functions...
  88. doi The merging of community ecology and phylogenetic biology
    Jeannine Cavender-Bares
    Department of Ecology, Evolution and Behavior, University of Minnesota, St Paul, MN 55108, USA
    Ecol Lett 12:693-715. 2009
    ..Finally, phylogenetic community structure and composition holds promise for predicting ecosystem processes and impacts of global change. Major challenges to advancing these areas remain...
  89. ncbi Rapid worldwide depletion of predatory fish communities
    Ransom A Myers
    Biology Department, Dalhousie University, Halifax, Nova Scotia, Canada B3H 4J1
    Nature 423:280-3. 2003
    ..Our analysis suggests that management based on recent data alone may be misleading, and provides minimum estimates for unexploited communities, which could serve as the 'missing baseline' needed for future restoration efforts...
  90. pmc Ecosystem-specific selection pressures revealed through comparative population genomics
    Maureen L Coleman
    Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
    Proc Natl Acad Sci U S A 107:18634-9. 2010
    ..These findings implicate phosphorus availability as the dominant selective force driving divergence between these populations, and demonstrate the promise of this approach for revealing selective agents in more complex microbial systems...
  91. ncbi Positive interactions among alpine plants increase with stress
    Ragan M Callaway
    Division of Biological Sciences, University of Montana, Missoula, Montana 59812, USA
    Nature 417:844-8. 2002
    ..Furthermore, across all high and low sites positive interactions are more important at sites with low temperatures in the early summer, but competition prevails at warmer sites...
  92. ncbi Are there general mechanisms of animal home range behaviour? A review and prospects for future research
    Luca Börger
    Department of Integrative Biology, University of Guelph, Guelph, ON N1G 2W1, Canada
    Ecol Lett 11:637-50. 2008
    ..Recent methodological and theoretical advances may soon lead to a unified approach, however, conceptually unifying our understanding of linkages among home range behaviour and ecological or evolutionary processes...
  93. ncbi Influence of phylogeny on fungal community assembly and ecosystem functioning
    Hafiz Maherali
    Department of Integrative Biology, University of Guelph, Guelph, Ontario, Canada N1G 2W1
    Science 316:1746-8. 2007
    ..functional similarity among closely related species (phylogenetic conservatism) can drive community assembly and ecosystem functioning...
  94. doi Phylogeographic insights into cryptic glacial refugia
    Jim Provan
    School of Biological Sciences, Queen s University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
    Trends Ecol Evol 23:564-71. 2008
    ..Understanding such refugia might be important as the Earth heads into another period of climate change, in terms of predicting the effects on species distribution and survival...
  95. ncbi Climate extremes: observations, modeling, and impacts
    D R Easterling
    National Oceanic and Atmospheric Administration NOAA National Climatic Data Center, 151 Patton Avenue, Asheville, NC 28801, USA
    Science 289:2068-74. 2000
    ..Several apparently gradual biological changes are linked to responses to extreme weather and climate events...
  96. ncbi Mechanisms of long-distance seed dispersal
    Ran Nathan
    The Movement Ecology Laboratory, Department of Evolution, Systematics and Ecology, Alexander Silberman Institute for Life Sciences, The Hebrew University of Jerusalem, Edmond J Safra Campus at Givat Ram, Jerusalem 91904, Israel
    Trends Ecol Evol 23:638-47. 2008
    ..To advance our understanding of LDD, we advocate a vector-based research approach that identifies the significant LDD vectors and quantifies how environmental conditions modify their actions...
  97. ncbi Phenotypic plasticity in the interactions and evolution of species
    A A Agrawal
    Department of Botany, University of Toronto, 25 Willcocks Street, Toronto, ON M5S 3B2, Canada
    Science 294:321-6. 2001
    ..Taken together, phenotypic responses in species interactions represent modifications that can lead to reciprocal change in ecological time, altered community patterns, and expanded evolutionary potential of species...
  98. ncbi Emerging horizons in biodiversity and ecosystem functioning research
    Julia Reiss
    School of Biological and Chemical Sciences, Queen Mary University of London, London, UK
    Trends Ecol Evol 24:505-14. 2009
    Two decades of intensive research have provided compelling evidence for a link between biodiversity and ecosystem functioning (B-EF)...
  99. ncbi Association between land cover and habitat productivity of malaria vectors in western Kenyan highlands
    Stephen Munga
    Kenya Medical Research Institute, Kisumu, Kenya
    Am J Trop Med Hyg 74:69-75. 2006
    ..gambiae larvae, and consequently increase the risks of malaria transmission to the human population...
  100. doi Global patterns and predictors of marine biodiversity across taxa
    Derek P Tittensor
    Department of Biology, Dalhousie University, 1355 Oxford Street, Halifax B3H 4J1, Canada
    Nature 466:1098-101. 2010
    ....
  101. doi Genomics and evolution of heritable bacterial symbionts
    Nancy A Moran
    Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, Arizona 85721, USA
    Annu Rev Genet 42:165-90. 2008
    ..In addition, insect symbionts provide some of the extremes of cellular genomes, including the smallest and the fastest evolving, raising new questions about the limits of evolution of life...

Research Grants78

  1. Effects of Climate Change on Cholera Dynamics and Prediction
    Shafiqul Islam; Fiscal Year: 2010
    ..Such extreme events are also likely to create unseen changes in the ecosystem and can potentially impact cholera bacteria...
  2. In vivo molecular analysis of probiotic impact on a defined microbiota and host
    Justin Sonnenburg; Fiscal Year: 2007
    ..human microbiota composed of sequenced representatives of the two dominant bacterial divisions in our intestinal ecosystem, Bacteroides thetaiotaomicron (Bacteroidetes division) and Eubacterium rectale (Firmicutes division), and (ii) ..
  3. CONTROL OF ARBOVIRUS INFECTIONS OF MAN
    Robert Shope; Fiscal Year: 1980
    ..Project #2 investigates mechanisms of persistence of virus with vectors and vertebrates in the tropical ecosystem uniquely available in Panama...
  4. In vivo molecular analysis of probiotic impact on a defined microbiota and host
    Justin Sonnenburg; Fiscal Year: 2009
    ..human microbiota composed of sequenced representatives of the two dominant bacterial divisions in our intestinal ecosystem, Bacteroides thetaiotaomicron (Bacteroidetes division) and Eubacterium rectale (Firmicutes division), and (ii) ..
  5. In vivo molecular analysis of probiotic impact on a defined microbiota and host
    Justin Sonnenburg; Fiscal Year: 2010
    ..human microbiota composed of sequenced representatives of the two dominant bacterial divisions in our intestinal ecosystem, Bacteroides thetaiotaomicron (Bacteroidetes division) and Eubacterium rectale (Firmicutes division), and (ii) ..
  6. In vivo molecular analysis of probiotic impact on a defined microbiota and host
    Justin Sonnenburg; Fiscal Year: 2009
    ..human microbiota composed of sequenced representatives of the two dominant bacterial divisions in our intestinal ecosystem, Bacteroides thetaiotaomicron (Bacteroidetes division) and Eubacterium rectale (Firmicutes division), and (ii) ..
  7. Toxic Harmful Algal Blooms (HABs)
    Larry Brand; Fiscal Year: 2004
    ..This sampling will examine and quantify the distribution of toxins in the sub/tropical ecosystem, the propagation of the toxins through the food web, and their spatial and temporal correlations with the ..
  8. SUPERFUND TOXIC SUBSTANCES--EXPOSURE AND DISEASE
    Richard Monson; Fiscal Year: 2002
    ..Our non-biomedical studies relate to health of the ecosystem and to factors that affect aquatic organisms...
  9. SUPERFUND TOXIC SUBSTANCES--EXPOSURE AND DISEASE
    Karl Kelsey; Fiscal Year: 2005
    ..Our non-biomedical studies relate to health of the ecosystem and to factors that affect aquatic organisms...
  10. SUPERFUND TOXIC SUBSTANCES--EXPOSURE AND DISEASE
    Karl Kelsey; Fiscal Year: 2006
    ..Our non-biomedical studies relate to health of the ecosystem and to factors that affect aquatic organisms...
  11. SUPERFUND TOXIC SUBSTANCES--EXPOSURE AND DISEASE
    Richard Monson; Fiscal Year: 2001
    ..Our non-biomedical studies relate to health of the ecosystem and to factors that affect aquatic organisms...
  12. SUPERFUND TOXIC SUBSTANCES--EXPOSURE AND DISEASE
    Richard Monson; Fiscal Year: 2003
    ..Our non-biomedical studies relate to health of the ecosystem and to factors that affect aquatic organisms...
  13. SUPERFUND TOXIC SUBSTANCES--EXPOSURE AND DISEASE
    Richard Monson; Fiscal Year: 2000
    ..Our non-biomedical studies relate to health of the ecosystem and to factors that affect aquatic organisms...
  14. SUPERFUND TOXIC SUBSTANCES--EXPOSURE AND DISEASE
    Karl Kelsey; Fiscal Year: 2004
    ..Our non-biomedical studies relate to health of the ecosystem and to factors that affect aquatic organisms...
  15. Nutrition and Superfund Chemical Toxicity
    Bernhard Hennig; Fiscal Year: 2009
    ..Given the abundance of Superfund chemicals and widespread distribution in the ecosystem, it is unlikely that remediation alone will be sufficient to address their health risks...
  16. Nutrition and Superfund Chemical Toxicity
    Bernhard Hennig; Fiscal Year: 2009
    ..Given the abundance of Superfund chemicals and widespread distribution in the ecosystem, it is unlikely that remediation alone will be sufficient to address their health risks...
  17. Symbiosis of E. coli and the Intestinal Microbiota in a Mouse Model
    Tyrrell Conway; Fiscal Year: 2012
    ..Yet the functional roles of individual microorganisms in the intestinal ecosystem and the dynamic interactions of its community members remain largely uncharacterized, including those ..
  18. Nutrition and Superfund Chemical Toxicity
    Bernhard Hennig; Fiscal Year: 2009
    ..Given the abundance of Superfund chemicals and widespread distribution in the ecosystem, it is unlikely that remediation alone will be sufficient to address their health risks...
  19. Ecosystem disturbance and multiscale transmission of a zoonotic wildlife pathogen
    Philip Craig; Fiscal Year: 2006
    A key element in disease emergence/re-emergence is ecosystem disruption as a result of anthropogenic effects which may be rapid as in tropical deforestation or more subtle as in agricultural expansion and overgrazing in temperate biomes...
  20. Ecosystem disturbance and multiscale transmission of a zoonotic wildlife pathogen
    Philip Craig; Fiscal Year: 2007
    A key element in disease emergence/re-emergence is ecosystem disruption as a result of anthropogenic effects which may be rapid as in tropical deforestation or more subtle as in agricultural expansion and overgrazing in temperate biomes...
  21. Ecosystem disturbance and multiscale transmission of a zoonotic wildlife pathogen
    Philip Craig; Fiscal Year: 2005
    A key element in disease emergence/re-emergence is ecosystem disruption as a result of anthropogenic effects which may be rapid as in tropical deforestation or more subtle as in agricultural expansion and overgrazing in temperate biomes...
  22. Impact of climate change on mosquito-borne arbovirus transmission
    William Reisen; Fiscal Year: 2009
    ..arthropod vector and upon both arthropod vector and vertebrate host population dynamics related to hydrology and ecosystem dynamics...
  23. Overwintering mortality of nymphal Ixodes scapularis, Lyme disease vector, in a c
    RICHARD S contact OSTFELD; Fiscal Year: 2010
    ..We will use these to study overwintering mortality in the forests of the Institute of Ecosystem Studies, where ticks and tick-borne disease are common, and SUNY College of Environmental Science and Forestry, ..
  24. Overwintering mortality of nymphal Ixodes scapularis, Lyme disease vector, in a c
    RICHARD OSTFELD; Fiscal Year: 2009
    ..We will use these to study overwintering mortality in the forests of the Institute of Ecosystem Studies, where ticks and tick-borne disease are common, and SUNY College of Environmental Science and Forestry, ..
  25. Impact of climate change on mosquito-borne arbovirus transmission
    William K Reisen; Fiscal Year: 2010
    ..arthropod vector and upon both arthropod vector and vertebrate host population dynamics related to hydrology and ecosystem dynamics...
  26. Role of Bacterial Vaginosis in Preterm Delivery
    ROBIN ROSS; Fiscal Year: 2003
    Bacterial vaginosis (BV) results from a disruption of the vaginal ecosystem characterized by a complex shift in the microflora...
  27. Role of Bacterial Vaginosis in Preterm Delivery
    ROBIN ROSS; Fiscal Year: 2002
    Bacterial vaginosis (BV) results from a disruption of the vaginal ecosystem characterized by a complex shift in the microflora...
  28. The Rosetta Enzyme ReDesign: Targeting PON1 as OP Scavenger
    Jennifer M Bui; Fiscal Year: 2012
    ..compounds in commercial products have been linked to several adverse health effects and permanent damages to our ecosystem. The search for enzymes that act as bioscavengers against toxic OP compounds has become an intense research ..
  29. The Rosetta Enzyme ReDesign: Targeting PON1 as OP Scavenger
    Jennifer M Bui; Fiscal Year: 2010
    ..compounds in commercial products have been linked to several adverse health effects and permanent damages to our ecosystem. The search for enzymes that act as bioscavengers against toxic OP compounds has become an intense research ..
  30. MOFE PROTEIN PROSTHETIC GROUPS IN NITROGENASE CATALYSIS
    WILLIAM NEWTON; Fiscal Year: 2001
    ..Because organic nitrogen is incompletely recycled in the global ecosystem due to the processes of nitrification and denitrification, biological N2 fixation occupies a pivotal position in ..
  31. MOFE PROTEIN PROSTHETIC GROUPS IN NITROGENASE CATALYSIS
    WILLIAM NEWTON; Fiscal Year: 2000
    ..Because organic nitrogen is incompletely recycled in the global ecosystem due to the processes of nitrification and denitrification, biological N2 fixation occupies a pivotal position in ..
  32. MOFE PROTEIN PROSTHETIC GROUPS IN NITROGENASE CATALYSIS
    WILLIAM NEWTON; Fiscal Year: 2002
    ..Because organic nitrogen is incompletely recycled in the global ecosystem due to the processes of nitrification and denitrification, biological N2 fixation occupies a pivotal position in ..
  33. MECHANISMS AND COFACTORS OF HIV TRANSMISSION TO WOMEN
    Julie Overbaugh; Fiscal Year: 2009
    ..Because of the complexity of the female genital ecosystem and the variety of factors that could alter susceptibility to HIV-1, each Project will focus on complementary ..
  34. MOFE PROTEIN PROSTHETIC GROUPS IN NITROGENASE CATALYSIS
    WILLIAM NEWTON; Fiscal Year: 2003
    ..Because organic nitrogen is incompletely recycled in the global ecosystem due to the processes of nitrification and denitrification, biological N2 fixation occupies a pivotal position in ..
  35. ROLE OF FEMO-COFACTOR IN NITROGENASE CATALYSIS
    WILLIAM NEWTON; Fiscal Year: 1993
    ..Because organic nitrogen is incompletely recycled in the global ecosystem and available ammonia and nitrate are continually metabolized to N2 through nitrification and denitrification, ..
  36. ROLE OF FEMO-COFACTOR IN NITROGENASE CATALYSIS
    WILLIAM NEWTON; Fiscal Year: 1992
    ..Because organic nitrogen is incompletely recycled in the global ecosystem and available ammonia and nitrate are continually metabolized to N2 through nitrification and denitrification, ..
  37. ROLE OF FEMO-COFACTOR IN NITROGENASE CATALYSIS
    WILLIAM NEWTON; Fiscal Year: 1991
    ..Because organic nitrogen is incompletely recycled in the global ecosystem and available ammonia and nitrate are continually metabolized to N2 through nitrification and denitrification, ..
  38. INTERNATIONAL PROGRAM ON CHEMICAL SAFETY
    THRESSA DAMSTRA; Fiscal Year: 1990
    ..as well as preparation of reports on biomarkers in risk assessment, immunotoxicity, chemicals and aging, ecosystem risk assessment procedures and in vitro toxicity tests...
  39. STRENGTHENING INFECTIOUS-DISEASE RESEARCH CAPACITY FOR PUBLIC-HEALTH ACTION IN
    Celia Cordon-Rosales; Fiscal Year: 2012
    ..a better understanding of the ecology and biology of WNV and other potentially relevant arbovirus in a tropical ecosystem (including dengue viruses and Venezuelan equine encephalitis virus)...
  40. STRENGTHENING INFECTIOUS-DISEASE RESEARCH CAPACITY FOR PUBLIC-HEALTH ACTION IN
    Celia Cordon Rosales; Fiscal Year: 2010
    ..a better understanding of the ecology and biology of WNV and other potentially relevant arbovirus in a tropical ecosystem (including dengue viruses and Venezuelan equine encephalitis virus)...
  41. STRENGTHENING INFECTIOUS-DISEASE RESEARCH CAPACITY FOR PUBLIC-HEALTH ACTION IN
    Celia Cordon Rosales; Fiscal Year: 2009
    ..a better understanding of the ecology and biology of WNV and other potentially relevant arbovirus in a tropical ecosystem (including dengue viruses and Venezuelan equine encephalitis virus)...
  42. STRENGTHENING INFECTIOUS-DISEASE RESEARCH CAPACITY FOR PUBLIC-HEALTH ACTION IN
    Celia Cordon-Rosales; Fiscal Year: 2011
    ..a better understanding of the ecology and biology of WNV and other potentially relevant arbovirus in a tropical ecosystem (including dengue viruses and Venezuelan equine encephalitis virus)...
  43. Toxicology Education Summit
    Aaron Barchowsky; Fiscal Year: 2011
    ..to identifying the adverse effects of chemical, physical or biological agents on living organisms and the ecosystem, and to prevent and ameliorate such adverse effects...
  44. HEALTH EFFECTS OF TOXIC SUBSTANCES
    Martyn Smith; Fiscal Year: 1992
    ..address the relationship between hazardous substances in the environment and their impact on human health and ecosystem viability...
  45. BAIT VACCINE AGAINST LYME BORRELIOSIS
    Maria Gomes Solecki; Fiscal Year: 2007
    ..The fieldwork component of this project will be performed at the Institute for Ecosystem Studies (IES) in Millbrook, NY...
  46. LARVAL MOSQUITO FEEDING AND MICROBIAL INTERACTIONS
    Edward Walker; Fiscal Year: 2009
    ..We have identified the tree hole ecosystem for study, harboring the species Ochlerotatus triseriatus, Ochlerotatus japonicus, and Culex pipiens, two ..
  47. LARVAL MOSQUITO FEEDING AND MICROBIAL INTERACTIONS
    Edward D Walker; Fiscal Year: 2010
    ..We have identified the tree hole ecosystem for study, harboring the species Ochlerotatus triseriatus, Ochlerotatus japonicus, and Culex pipiens, two ..
  48. Modeling of Hantavirus Reservoirs in Brazil
    Colleen Jonsson; Fiscal Year: 2009
    ..the hypothesis that the rapid anthropogenic land cover change occurring in Paraguay will have a direct impact of ecosystem viability and biodiversity, and therefore, will affect rodent-hantavirus ecology...
  49. Modeling of Hantavirus Reservoirs in Brazil
    Colleen Jonsson; Fiscal Year: 2007
    ..the hypothesis that the rapid anthropogenic land cover change occurring in Paraguay will have a direct impact of ecosystem viability and biodiversity, and therefore, will affect rodent-hantavirus ecology...
  50. Interaction between Vibrio cholerae and Dictylostelium discoideum
    SHELLEY PAYNE; Fiscal Year: 2009
    ..Some of the genes required for V. cholerae to form these associations and persist in its aquatic ecosystem are also involved in promoting disease in humans. In vitro studies have suggested that protozoans may both use V...
  51. CONTROL OF PERIODONTAL INFECTIONS
    Sigmund Socransky; Fiscal Year: 2003
    ..included uncertainty in defining specific etiologic gents, lack of order in our understanding of the complex ecosystem that colonizes the periodontal structures, difficulty in enumerating a wide range of taxa in the very large ..
  52. CONTROL OF PERIODONTAL INFECTIONS
    Sigmund Socransky; Fiscal Year: 2002
    ..included uncertainty in defining specific etiologic gents, lack of order in our understanding of the complex ecosystem that colonizes the periodontal structures, difficulty in enumerating a wide range of taxa in the very large ..
  53. CONTROL OF PERIODONTAL INFECTIONS
    Sigmund Socransky; Fiscal Year: 1999
    ..included uncertainty in defining specific etiologic gents, lack of order in our understanding of the complex ecosystem that colonizes the periodontal structures, difficulty in enumerating a wide range of taxa in the very large ..
  54. CONTROL OF PERIODONTAL INFECTIONS
    Sigmund Socransky; Fiscal Year: 2001
    ..included uncertainty in defining specific etiologic gents, lack of order in our understanding of the complex ecosystem that colonizes the periodontal structures, difficulty in enumerating a wide range of taxa in the very large ..
  55. Toxic Algae
    ELAINE ARMBRUST; Fiscal Year: 2004
    ..diatoms form large blooms each Spring and Fall, providing a seasonal input of organic carbon that fuels ecosystem dynamics...
  56. CONTROL OF PERIODONTAL INFECTIONS
    Sigmund Socransky; Fiscal Year: 2000
    ..included uncertainty in defining specific etiologic gents, lack of order in our understanding of the complex ecosystem that colonizes the periodontal structures, difficulty in enumerating a wide range of taxa in the very large ..
  57. Stent Lock Mechanism for Transcutaneous Catheters
    NICHOLAS VITALE; Fiscal Year: 2005
    ..Advances in peritoneal dialysis catheters attempt to close the open ecosystem with the implantation of a porous alloplastic component of the catheter into the body wall...
  58. Riparian nutrients and food webs on a regulated river
    TERESA TIBBETS; Fiscal Year: 2003
    ..C/N, C/P, and N/P ratios are important tools to assess nutrient cycling and food web structure and function in ecosystem studies...
  59. Arbovirus quasispecies-impact of arthropod transmission
    GREGORY EBEL; Fiscal Year: 2003
    ..the population-level mechanisms of genetic change that may occur when a new arbovirus is introduced into a halve ecosystem. To determine whether the quasispecies structure of arboviruses may promote viral adaptation and disease ..
  60. Arbovirus quasispecies-impact of arthropod transmission
    GREGORY EBEL; Fiscal Year: 2004
    ..the population-level mechanisms of genetic change that may occur when a new arbovirus is introduced into a halve ecosystem. To determine whether the quasispecies structure of arboviruses may promote viral adaptation and disease ..
  61. INTERNATIONAL PROGRAM ON CHEMICAL SAFETY
    THRESSA DAMSTRA; Fiscal Year: 1992
    ..Work will start on an expanded monograph on reproductive toxicity ecosystem risk assessment and alternates to animal tests...
  62. The Acquisition of Bacterial Vaginosis in Lesbians
    Jeanne Marrazzo; Fiscal Year: 2002
    Bacterial vaginosis (BV) results from a shift in the microbial ecosystem of the vagina from Lactobacillus predominance to overgrowth by anaerobic and facultative species, and has been associated with postpartum/postabortal endometritis, ..
  63. The Acquisition of Bacterial Vaginosis in Lesbians
    Jeanne Marrazzo; Fiscal Year: 2004
    Bacterial vaginosis (BV) results from a shift in the microbial ecosystem of the vagina from Lactobacillus predominance to overgrowth by anaerobic and facultative species, and has been associated with postpartum/postabortal endometritis, ..
  64. The Acquisition of Bacterial Vaginosis in Lesbians
    Jeanne Marrazzo; Fiscal Year: 2005
    Bacterial vaginosis (BV) results from a shift in the microbial ecosystem of the vagina from Lactobacillus predominance to overgrowth by anaerobic and facultative species, and has been associated with postpartum/postabortal endometritis, ..
  65. The Acquisition of Bacterial Vaginosis in Lesbians
    Jeanne Marrazzo; Fiscal Year: 2006
    unreadable] DESCRIPTION (provided by applicant): Bacterial vaginosis (BV) results from a shift in the microbial ecosystem of the vagina from Lactobacillus predominance to overgrowth by anaerobic and facultative species, and has been ..
  66. The Acquisition of Bacterial Vaginosis in Lesbians
    Jeanne Marrazzo; Fiscal Year: 2003
    Bacterial vaginosis (BV) results from a shift in the microbial ecosystem of the vagina from Lactobacillus predominance to overgrowth by anaerobic and facultative species, and has been associated with postpartum/postabortal endometritis, ..
  67. INFLUENCES OF NEIGHBORHOOD QUALITY ON YOUTH ADJUSTMENT
    LEE SHUMOW; Fiscal Year: 1999
    ....
  68. Structural, genetic, and functional analyses of the glycoproteins of Bacteroides
    LAURIE COMSTOCK; Fiscal Year: 2006
    unreadable] DESCRIPTION (provided by applicant): The mammalian gut is a complex and diverse ecosystem colonized with hundreds of different bacterial species...
  69. Structural, genetic, and functional analyses of the glycoproteins of Bacteroides
    LAURIE COMSTOCK; Fiscal Year: 2007
    unreadable] DESCRIPTION (provided by applicant): The mammalian gut is a complex and diverse ecosystem colonized with hundreds of different bacterial species...
  70. Structural, genetic, and functional analyses of the glycoproteins of Bacteroides
    LAURIE COMSTOCK; Fiscal Year: 2009
    The mammalian gut is a complex and diverse ecosystem colonized with hundreds of different bacterial species...
  71. Dynamic Ecological Simulation Model of Tsetse Transmitted Trypanosomosis in Kenya
    JOSEPH MESSINA; Fiscal Year: 2007
    ..This study will enhance the scientific understanding of climate change and human impacts on ecological systems, and how these changes influence disease ecology. ..
  72. Dynamic Ecological Simulation Model of Tsetse Transmitted Trypanosomosis in Kenya
    JOSEPH MESSINA; Fiscal Year: 2009
    ..This study will enhance the scientific understanding of climate change and human impacts on ecological systems, and how these changes influence disease ecology. ..
  73. GNOTOBIOTIC TRANSGENIC MODELS OF THE GASTRIC ECOSYSTEM
    Jeffrey Gordon; Fiscal Year: 2006
    ..These analyses should provide the first genome-wide view of Hp evolution in ChAG and Ca, and yield new bacterial and host biomarkers associated with these states. ..
  74. Randomized Trial of IFCBT-HIVPI to Prevent HIV Among Non-Injection Drug Users
    William Latimer; Fiscal Year: 2009
    ....
  75. GNOTOBIOTIC TRANSGENIC MODELS OF THE GASTRIC ECOSYSTEM
    Jeffrey Gordon; Fiscal Year: 2007
    ..These analyses should provide the first genome-wide view of Hp evolution in ChAG and Ca, and yield new bacterial and host biomarkers associated with these states. ..