Now showing items 2673-2692 of 7453

  • A generalized baleen whale call detection and classification system 

    Baumgartner, Mark F.; Mussoline, Sarah E. (Acoustical Society of America, 2011-05)
    Passive acoustic monitoring allows the assessment of marine mammal occurrence and distribution at greater temporal and spatial scales than is now possible with traditional visual surveys. However, the large volume of ...
  • Generalized concentration addition predicts joint effects of aryl hydrocarbon receptor agonists with partial agonists and cCompetitive antagonists 

    Howard, Gregory J.; Schlezinger, Jennifer J.; Hahn, Mark E.; Webster, Thomas F. (National Institute of Environmental Health Sciences, 2009-12-22)
    Background: Predicting the expected outcome of a combination exposure is critical to risk -assessment. The toxic equivalency factor (TEF) approach used for analyzing joint effects of dioxin-like chemicals is a special case ...
  • Generalized conditions for hydraulic criticality of oceanic overflows 

    Pratt, Lawrence J.; Helfrich, Karl R. (American Meteorological Society, 2005-10)
    Two methods for assessing the hydraulic criticality of an observed or modeled overflow are discussed. The methods are valid for single-layer deep flows with arbitrary potential vorticity and cross section. The first method ...
  • Generation and maintenance of recirculations by Gulf Stream instabilities 

    Beliakova, Natalia Y. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1999-02)
    This thesis studies the problems of generation and maintenance of recirculations by Gulf Stream instabilities. Observations show that the horizontal structure of the jet and its recirculations suffer significant changes ...
  • Generation and propagation of nonlinear internal waves in Massachusetts Bay 

    Scotti, Alberto; Beardsley, Robert C.; Butman, Bradford (American Geophysical Union, 2007-10-02)
    During the summer, nonlinear internal waves (NLIWs) are commonly observed propagating in Massachusetts Bay. The topography of the area is unique in the sense that the generation area (over Stellwagen Bank) is only 25 km ...
  • Generation of mid-ocean eddies : the local baroclinic instability hypothesis 

    Arbic, Brian K. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2000-08)
    The plausibility of local baroclinic instability as a generation mechanism for midocean mesoscale eddies is examined with a two-layer, quasi-geostrophic (QG) model forced by an imposed, horizontally homogeneous, vertically ...
  • The generation of nonlinear internal waves 

    Jackson, Christopher R.; da Silva, Jose C. B.; Jeans, Gus (The Oceanography Society, 2012-06)
    Nonlinear internal waves are found in many parts of the world ocean. Their widespread distribution is a result of their origin in the barotropic tide and in the variety of ways they can be generated, including by lee waves, ...
  • Generation of seafloor hydrothermal vent fluids and associated mineral deposits 

    Tivey, Margaret K. (Oceanography Society, 2007-03)
    In the nearly 30 years since the discovery of hydrothermal venting along open-ocean spreading centers, much has been learned about the generation of vent fluids and associated deposits. The hot, reducing, metal-rich, ...
  • The generation, energetics and propagation of internal tides in the western North Atlantic Ocean 

    Hendry, Ross MacRae (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1975-04)
    This thesis reports on an investigation into the structure, energetics and propagation of tidal frequency internal waves. Data from Site D, near the New England continental slope, Muir Seamount northeast of Bermuda, and ...
  • Generational spreading speed and the dynamics of population range expansion 

    Bateman, Andrew W.; Neubert, Michael G.; Krkosek, Martin; Lewis, Mark A. (University of Chicago Press, 2015-08-06)
    Some of the most fundamental quantities in population ecology describe the growth and spread of populations. Population dynamics are often characterized by the annual rate of increase, λ, or the generational rate of increase, ...
  • Genesis and geometry of tilted blocks in the Theban Hills, near Luxor (Upper Egypt) 

    Dupuis, Christian; Aubry, Marie-Pierre; King, Christopher; Knox, Robert W. O'B.; Berggren, William A.; Youssef, Mostafa; Galal, Wael Fathi; Roche, Marc (2011-02-16)
    The desertic Theban hills between the edge of the alluvial plain of the Nile and the prominent cliffs at the eastern edge of the Theban Plateau consist of imbricated tilted blocks organized in parallel groups representing ...
  • Genesis of active sand-filled polygons in lower and central Beacon Valley, Antarctica 

    Bockheim, James G.; Kurz, Mark D.; Soule, Samuel A.; Burke, Andrea (2009-05)
    Nonsorted polygons with sand-filled wedges were investigated in lower and central Beacon Valley, Antarctica (77.82ºS, 160.67ºE) using field observations coupled with a 2-m resolution Digital Elevation Model and a ...
  • The genetic analysis of the vulval cell lineages of Caenorhabditis elegans 

    Ferguson, Edwin Louis (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1985-05)
    The cell lineages of the nematode Caenorhabditis elegana are essentially invariant among individuals. We have begun an attempt to understand the genetic specification of one particular cell lineage, that of the hermaphrodite ...
  • Genetic identity determines risk of post-settlement mortality of a marine fish 

    Vigliola, Laurent; Doherty, Peter J.; Meekan, Mark G.; Drown, Devin M.; Jones, M. Elizabeth; Barber, Paul H. (Ecological Society of America, 2007-05)
    Longitudinal sampling of four cohorts of Neopomacentrus filamentosus, a common tropical damselfish from Dampier Archipelago, Western Australia, revealed the evolution of size structure after settlement. Light traps collected ...
  • Genetic variability and differentiation in niche components of marine phytoplankton species 

    Brand, Larry E. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1980-01)
    The acclimated asexual reproduction rates of many clones of Emiliania huxleyi (82), Gephrocapsa oceanica (19), Cyclococcolithina leptopora (31), Prorocentrum micans (28), Dissodinium lunula (22), Thoracosphaera heimi ...
  • Genetic variation at aryl hydrocarbon receptor (AHR) loci in populations of Atlantic killifish (Fundulus heteroclitus) inhabiting polluted and reference habitats 

    Reitzel, Adam M.; Karchner, Sibel I.; Franks, Diana G.; Evans, Brad R.; Nacci, Diane E.; Champlin, Denise; Vieira, Veronica M.; Hahn, Mark E. (BioMed Central, 2014-01-14)
    The non-migratory killifish Fundulus heteroclitus inhabits clean and polluted environments interspersed throughout its range along the Atlantic coast of North America. Several populations of this species have successfully ...
  • The genome of deep-sea vent chemolithoautotroph Thiomicrospira crunogena XCL-2 

    Scott, Kathleen M.; Sievert, Stefan M.; Abril, Fereniki N.; Ball, Lois A.; Barrett, Chantell J.; Blake, Rodrigo A.; Boller, Amanda J.; Chain, Patrick S. G.; Clark, Justine A.; Davis, Carisa R.; Detter, Chris; Do, Kimberly F.; Dobrinski, Kimberly P.; Faza, Brandon I.; Fitzpatrick, Kelly A.; Freyermuth, Sharyn K.; Harmer, Tara L.; Hauser, Loren J.; Hugler, Michael; Kerfeld, Cheryl A.; Klotz, Martin G.; Kong, William W.; Land, Miriam L.; Lapidus, Alla; Larimer, Frank W.; Longo, Dana L.; Lucas, Susan; Malfatti, Stephanie A.; Massey, Steven E.; Martin, Darlene D.; McCuddin, Zoe; Meyer, Folker; Moore, Jessica L.; Ocampo, Luis H.; Paul, John H.; Paulsen, Ian T.; Reep, Douglas K.; Ren, Qinghu; Ross, Rachel L.; Sato, Priscila Y.; Thomas, Phaedra; Tinkham, Lance E.; Zeruth, Gary T. (Public Library of Science (PLoS), 2006-11-14)
    Presented here is the complete genome sequence of Thiomicrospira crunogena XCL-2, representative of ubiquitous chemolithoautotrophic sulfur-oxidizing bacteria isolated from deep-sea hydrothermal vents. This gammaproteob ...
  • Genome of the epsilonproteobacterial chemolithoautotroph Sulfurimonas denitrificans 

    Sievert, Stefan M.; Scott, Kathleen M.; Klotz, Martin G.; Chain, Patrick S. G.; Hauser, Loren J.; Hemp, James; Hugler, Michael; Land, Miriam L.; Lapidus, Alla; Larimer, Frank W.; Lucas, Susan; Malfatti, Stephanie A.; Meyer, Folker; Paulsen, Ian T.; Ren, Qinghu; Simon, Jorg; USF Genomics Class (American Society for Microbiology, 2007-12-07)
    Sulfur-oxidizing epsilonproteobacteria are common in a variety of sulfidogenic environments. These autotrophic and mixotrophic sulfur-oxidizing bacteria are believed to contribute substantially to the oxidative portion of ...
  • Genome reconstructions indicate the partitioning of ecological functions inside a phytoplankton bloom in the Amundsen Sea, Antarctica 

    Delmont, Tom O.; Eren, A. Murat; Vineis, Joseph H.; Post, Anton F. (Frontiers Media, 2015-10-26)
    Antarctica polynyas support intense phytoplankton blooms, impacting their environment by a substantial depletion of inorganic carbon and nutrients. These blooms are dominated by the colony-forming haptophyte Phaeocystis ...
  • Genome sequence of the metazoan plant-parasitic nematode Meloidogyne incognita 

    Abad, Pierre; Gouzy, Jerome; Aury, Jean-Marc; Castagnone-Sereno, Philippe; Danchin, Etienne G. J.; Deleury, Emeline; Perfus-Barbeoch, Laetitia; Anthouard, Veronique; Artiguenave, Francois; Blok, Vivian C.; Caillaud, Marie-Cecile; Coutinho, Pedro M.; Da Silva, Corinne; De Luca, Francesca; Deau, Florence; Esquibet, Magali; Flutre, Timothe; Goldstone, Jared V.; Hamamouch, Noureddine; Hewezi, Tarek; Jaillon, Olivier; Jubin, Claire; Leonetti, Paola; Magliano, Marc; Maier, Tom R.; Markov, Gabriel V.; McVeigh, Paul; Pesole, Graziano; Poulain, Julie; Robinson-Rechavi, Marc; Sallet, Erika; Segurens, Beatrice; Steinbach, Delphine; Tytgat, Tom; Ugarte, Edgardo; van Ghelder, Cyril; Veronico, Pasqua; Baum, Thomas J.; Blaxter, Mark; Bleve-Zacheo, Teresa; Davis, Eric L; Ewbank, Jonathan J.; Favery, Bruno; Grenier, Eric; Henrissat, Bernard; Jones, John T.; Laudet, Vincent; Maule, Aaron G.; Quesneville, Hadi; Rosso, Marie-Noelle; Schiex, Thomas; Smant, Geert; Weissenbach, Jean; Wincker, Patrick (Nature Publishing Group, 2008-07-27)
    Plant-parasitic nematodes are major agricultural pests worldwide and novel approaches to control them are sorely needed. We report the draft genome sequence of the root-knot nematode Meloidogyne incognita, a biotrophic ...