Now showing items 602-621 of 879

  • Observation of very large and steep internal waves of elevation near the Massachusetts coast 

    Scotti, Alberto; Pineda, Jesus (American Geophysical Union, 2004-11-25)
    We report on near-bottom waves of elevation with amplitude nearly half the 25 m water column, very steep, and propagating into a sheared turbulent wave-guide. The waves contained trapped cores transporting parcels of water ...
  • Ocean urea fertilization for carbon credits poses high ecological risks 

    Glibert, Patricia M.; Azanza, Rhodora; Burford, Michele; Furuya, Ken; Abal, Eva; Al-Azri, Adnan; Al-Yamani, Faiza; Andersen, Per; Anderson, Donald M.; Beardall, John; Berg, Gry M.; Brand, Larry E.; Bronk, Deborah; Brookes, Justin; Burkholder, JoAnn M.; Cembella, Allan D.; Cochlan, William P.; Collier, Jackie L.; Collos, Yves; Diaz, Robert; Doblin, Martina; Drennen, Thomas; Dyhrman, Sonya T.; Fukuyo, Yasuwo; Furnas, Miles; Galloway, James; Graneli, Edna; Ha, Dao Viet; Hallegraeff, Gustaaf M.; Harrison, John A.; Harrison, Paul J.; Heil, Cynthia A.; Heimann, Kirsten; Howarth, Robert W.; Jauzein, Cecile; Kana, Austin A.; Kana, Todd M.; Kim, Hakgyoon; Kudela, Raphael M.; Legrand, Catherine; Mallin, Michael; Mulholland, Margaret; Murray, Shauna A.; O’Neil, Judith; Pitcher, Grant C.; Qi, Yuzao; Rabalais, Nancy; Raine, Robin; Seitzinger, Sybil P.; Salomon, Paulo S.; Solomon, Caroline; Stoecker, Diane K.; Usup, Gires; Wilson, Joanne; Yin, Kedong; Zhou, Mingjiang; Zhu, Mingyuan (2008)
    The proposed plan for enrichment of the Sulu Sea, Philippines, a region of rich marine biodiversity, with thousands of tonnes of urea in order to stimulate algal blooms and sequester carbon is flawed for multiple reasons. ...
  • Off-axis effects on the multipulse structure of sperm whale usual clicks with implications for sound production 

    Zimmer, Walter M. X.; Madsen, Peter T.; Teloni, Valeria; Johnson, Mark P.; Tyack, Peter L. (Acoustical Society of America, 2005-11)
    Sperm whales (Physeter macrocephalus) produce multipulsed clicks with their hypertrophied nasal complex. The currently accepted view of the sound generation process is based on the click structure measured directly in front ...
  • On minimising assignment errors and the trade‐off between false positives and negatives in parentage analysis 

    Harrison, Hugo B.; Saenz-Agudelo, Pablo; Planes, Serge; Jones, Geoffrey P.; Berumen, Michael L. (2013-05)
    Genetic parentage analyses provide a practical means with which to identify parent–offspring relationships in the wild. In Harrison et al.'s study (2013a), we compare three methods of parentage analysis and showed that the ...
  • On the economic optimality of marine reserves when fishing damages habitat 

    Moeller, Holly V. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2010-06)
    In this thesis, I expand a spatially-explicit bioeconomic fishery model to include the negative effects of fishing effort on habitat quality. I consider two forms of effort driven habitat damage: First, fishing effort ...
  • On the midwater fish faunas of Gulf Stream rings with respect to habitat differences between slope water and northern Sargasso Sea 

    Jahn, Andrew E. (Woods Hole Oceanographic Institution, 1976-04)
    Forty-three 1000-in oblique Isaacs-Kidd midwater trawl collections were made on six cruises. In most cases, these were accompanied by 1500-m hydrocasts and plankton tows to 800 m. The fish collections comprise 19,400 ...
  • Ontogenetic changes in skeletal muscle fiber type, fiber diameter and myoglobin concentration in the Northern elephant seal (Mirounga angustirostris) 

    Moore, Colby D.; Crocker, Daniel E.; Fahlman, Andreas; Moore, Michael J.; Willoughby, Darryn S.; Robbins, Kathleen A.; Kanatous, Shane B.; Trumble, Stephen J. (Frontiers Media, 2014-06-10)
    Northern elephant seals (Mirounga angustirostris) (NES) are known to be deep, long-duration divers and to sustain long-repeated patterns of breath-hold, or apnea. Some phocid dives remain within the bounds of aerobic ...
  • An optical telemetry device to identify which dolphin produces a sound 

    Tyack, Peter L. (Acoustical Society of America, 1985-11)
    A small telemetry device, called a "vocalight," was designed for attachment to a dolphin's head using a suction cup. The vocalight lights up a variable number of light-emitting diodes depending upon the loudness of sounds ...
  • Optical tools for ocean monitoring and research 

    Moore, C.; Barnard, A.; Fietzek, P.; Lewis, Marlon R.; Sosik, Heidi M.; White, Sheri N.; Zielinski, O. (Copernicus Publications on behalf of the European Geosciences Union, 2009-12-10)
    Requirements for understanding the relationships between ocean color and suspended and dissolved materials within the water column, and a rapidly emerging photonics and materials technology base for performing optical based ...
  • Orchestration : the movement and vocal behavior of free-ranging Norwegian killer whales (Orcinus orca) 

    Shapiro, Ari D. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2008-06)
    Studying the social and cultural transmission of behavior among animals helps to identify patterns of interaction and information content flowing between individuals. Killer whales are likely to acquire traits culturally ...
  • Organohalogen contaminants and metabolites in cerebrospinal fluid and cerebellum gray matter in short-beaked common dolphins and Atlantic white-sided dolphins from the western North Atlantic 

    Montie, Eric W.; Reddy, Christopher M.; Gebbink, Wouter A.; Touhey, Kathleen M.; Hahn, Mark E.; Letcher, Robert J. (2009-03-12)
    Concentrations of several congeners and classes of organohalogen contaminants (OHCs) and/or their metabolites, namely organochlorine pesticides (OCs), polychlorinated biphenyls (PCBs), hydroxylated-PCBs (OH-PCBs), ...
  • Orientation and swimming mechanics by the scyphomedusa Aurelia sp. in shear flow 

    Rakow, Kelly C.; Graham, William M. (2006)
    Individual Aurelia sp. medusae were distributed around regions of current shear associated with vertical density discontinuities during three vertically towed camera profiles in the northern Gulf of Mexico. Along shear ...
  • Otolith geochemistry discriminates among estuarine nursery areas of Solea solea and S. senegalensis over time 

    Tanner, Susanne E.; Reis-Santos, Patrick; Vasconcelos, Rita P.; Franca, Susana; Thorrold, Simon R.; Cabral, Henrique N. (2012-04)
    Otolith geochemistry is used increasingly as a natural tag to retrospectively determine habitat use in marine fishes. It is necessary to first conduct a thorough assessment of spatio-temporal variability before attempting ...
  • Otolith geochemistry does not reflect dispersal history of clownfish larvae 

    Berumen, Michael L.; Walsh, Harvey J.; Raventos, N.; Planes, Serge; Jones, Geoffrey P.; Starczak, Victoria R.; Thorrold, Simon R. (2010-06)
    Natural geochemical signatures in calcified structures are commonly employed to retrospectively estimate dispersal pathways of larval fish and invertebrates. However, the accuracy of the approach is generally untested due ...
  • Overcoming the challenges of studying conservation physiology in large whales : a review of available methods 

    Hunt, Kathleen E.; Moore, Michael J.; Rolland, Rosalind M.; Kellar, Nicholas M.; Hall, Ailsa J.; Kershaw, Joanna; Raverty, Stephen A.; Davis, Cristina E.; Yeates, Laura C.; Fauquier, Deborah A.; Rowles, Teresa K.; Kraus, Scott D. (Oxford University Press, 2013-05-15)
    Large whales are subjected to a variety of conservation pressures that could be better monitored and managed if physiological information could be gathered readily from free-swimming whales. However, traditional approaches ...
  • Pacific Ocean–wide profile of CYP1A1 expression, stable carbon and nitrogen isotope ratios, and organic contaminant burden in sperm whale skin biopsies 

    Godard-Codding, Celine A. J.; Clark, Rebecca; Fossi, Maria Cristina; Marsili, Letizia; Maltese, Silvia; West, Adam G.; Valenzuela, Luciano; Rowntree, Victoria; Polyak, Ildiko; Cannon, John C.; Pinkerton, Kim; Rubio-Cisneros, Nadia; Mesnick, Sarah L.; Cox, Stephen B.; Kerr, Iain; Payne, Roger; Stegeman, John J. (National Institute of Environmental Health Sciences, 2010-12-06)
    Background: Ocean pollution affects marine organisms and ecosystems as well as humans. The International Oceanographic Commission recommends ocean health monitoring programs to investigate the presence of marine contaminants ...
  • Pan genome of the phytoplankton Emiliania underpins its global distribution 

    Read, Betsy A.; Kegel, Jessica; Klute, Mary J.; Kuo, Alan J.; Lefebvre, Stephane C.; Maumus, Florian; Mayer, Christoph; Miller, John; Monier, Adam; Salamov, Asaf; Young, Jeremy; Aguilar, Maria; Claverie, Jean-Michel; Frickenhaus, Stephan; Gonzalez, Karina; Herman, Emily K.; Lin, Yao-Cheng; Napier, Johnathan; Ogata, Hiroyuki; Sarno, Analissa F.; Shmutz, Jeremy; Schroeder, Declan C.; de Vargas, Colomban; Verret, Frederic; von Dassow, Peter; Valentin, Klaus; Van de Peer, Yves; Wheeler, Glen L.; Emiliania huxleyi Annotation Consortium; Dacks, Joel B.; Delwiche, Charles F.; Dyhrman, Sonya T.; Glockne, Gernot; Joh, Uwe; Richards, Thomas; Worden, Alexandra Z.; Zhang, Xiaoyu; Grigoriev, Igor V. (Nature Publishing Group, 2013-07-10)
    Coccolithophores have influenced the global climate for over 200 million years1. These marine phytoplankton can account for 20 per cent of total carbon fixation in some systems2. They form blooms that can occupy hundreds ...
  • Pan-genome analyses identify lineage- and niche-specific markers of evolution and adaptation in Epsilonproteobacteria 

    Zhang, Ying; Sievert, Stefan M. (Frontiers Media, 2014-03-19)
    The rapidly increasing availability of complete bacterial genomes has created new opportunities for reconstructing bacterial evolution, but it has also highlighted the difficulty to fully understand the genomic and functional ...
  • Parasitic infection of the diatom Guinardia delicatula, a recurrent and ecologically important phenomenon on the New England Shelf 

    Peacock, Emily E.; Olson, Robert J.; Sosik, Heidi M. (Inter-Research, 2014-04-29)
    Plankton images collected by Imaging FlowCytobot from 2006 to 2013 at the Martha’s Vineyard Coastal Observatory (Massachusetts, USA) were used to identify and quantify the occurrence of the diatom Guinardia delicatula and ...
  • Particle contact on flat plates in flow : a model for initial larval contact 

    Garland, Elizabeth D.; Mullineaux, Lauren S. (Woods Hole Oceanographic Institution, 1992-06)
    Patterns and rates of particle contact onto flat plates in steady unidirectional flows were investigated in a laboratory flume. Plates with three leading edge configurations (faired, bluff and split) were used to generate ...