Now showing items 201-220 of 929

  • Daily cycle in oxygen consumption by the sea anemone Nematostella vectensis Stephenson 

    Maas, Amy E.; Jones, Ian T.; Reitzel, Adam M.; Tarrant, Ann M. (The Company of Biologists, 2016-01-15)
    In bilaterian animals, the circadian clock is intimately involved in regulating energetic metabolism. Although cnidarians exhibit diel behavioral rhythms including cycles in locomotor activity, tentacle extension and ...
  • Data report for Atlantic pelagic zoogeography 

    Backus, Richard H.; Craddock, James E. (Woods Hole Oceanographic Institution, 1977-01)
    This data report fulfils two functions. It (1) gives station data for 1022 midwater trawl collections made in the Atlantic Ocean between 1961 and 1974 by the writers and their colleagues (Table 1, Figure 1, and Appendix ...
  • A datalogger to identify vocalizing dolphins 

    Tyack, Peter L.; Recchia, Cheri A. (Acoustical Society of America, 1991-09)
    A datalogger was developed to identify vocalizing dolphins within socially interacting captive groups. Every 50 ms the logger stores data on the level and frequency of detected sound. Dataloggers are temporarily attached ...
  • Deadly diving? Physiological and behavioural management of decompression stress in diving mammals 

    Hooker, Sascha K.; Fahlman, Andreas; Moore, Michael J.; Aguilar De Soto, Natacha; Bernaldo de Quiros, Yara; Brubakk, A. O.; Costa, Daniel P.; Costidis, Alexander M.; Dennison, Sophie; Falke, K. J.; Fernandez, Antonio; Ferrigno, Massimo; Fitz-Clarke, J. R.; Garner, M. M.; Houser, Dorian S.; Jepson, Paul D.; Ketten, Darlene R.; Kvadsheim, P. H.; Madsen, Peter T.; Pollock, N. W.; Rotstein, David S.; Rowles, Teresa K.; Simmons, S. E.; Van Bonn, William; Weathersby, P. K.; Weise, M. J.; Williams, T. M.; Tyack, Peter L. (Royal Society, 2011-12-21)
    Decompression sickness (DCS; ‘the bends’) is a disease associated with gas uptake at pressure. The basic pathology and cause are relatively well known to human divers. Breath-hold diving marine mammals were thought to be ...
  • Decadal changes in zooplankton of the Northeast U.S. continental shelf 

    Bi, Hongsheng; Ji, Rubao; Liu, Hui; Jo, Young-Heon; Hare, Jonathan A. (Public Library of Science, 2014-01-31)
    The abundance of the subarctic copepod, Calanus finmarchicus, and temperate, shelf copepod, Centropages typicus, was estimated from samples collected bi-monthly over the Northeast U.S. continental shelf (NEUS) from 1977–2010. ...
  • Decompression sickness (‘the bends’) in sea turtles 

    Garcia-Parraga, D.; Crespo-Picazo, J. L.; Bernaldo de Quiros, Yara; Cervera, V.; Marti-Bonmati, L.; Diaz-Delgado, J.; Arbelo, Manuel; Moore, Michael J.; Jepson, Paul D.; Fernandez, Antonio (Inter-Research, 2014-10-16)
    Decompression sickness (DCS), as clinically diagnosed by reversal of symptoms with recompression, has never been reported in aquatic breath-hold diving vertebrates despite the occurrence of tissue gas tensions sufficient ...
  • Decompression vs. decomposition : distribution, amount, and gas composition of bubbles in stranded marine mammals 

    Bernaldo de Quiros, Yara; Gonzaez-Diaz, Oscar; Arbelo, Manuel; Sierra, Eva; Sacchini, Simona; Fernandez, Antonio (Frontiers Media, 2012-06-04)
    Gas embolic lesions linked to military sonar have been described in stranded cetaceans including beaked whales. These descriptions suggest that gas bubbles in marine mammal tissues may be more common than previously thought. ...
  • The deduction theorem and ecology 

    Hulburt, Edward M. (2008-04-11)
    The deduction theorem is based primarily on the formula [A superset of (B superset of C)] superset of [(A superset of B) superset of (A superset of C)]. The fisheries of Newfoundland, Iceland, and west Greenland have ...
  • Deep ocean circulation and transport where the East Pacific Rise at 9–10°N meets the Lamont seamount chain 

    Lavelle, J. William; Thurnherr, Andreas M.; Ledwell, James R.; McGillicuddy, Dennis J.; Mullineaux, Lauren S. (American Geophysical Union, 2010-12-31)
    We report the first 3-D numerical model study of abyssal ocean circulation and transport over the steep topography of the East Pacific Rise (EPR) and adjoining Lamont seamount chain in the eastern tropical Pacific. We begin ...
  • Deep-sea mining of seafloor massive sulfides 

    Hoagland, Porter; Beaulieu, Stace E.; Tivey, Maurice A.; Eggert, Roderick G.; German, Christopher R.; Glowka, Lyle; Lin, Jian (2009-10-28)
    The potential emergence of an ocean mining industry to exploit seafloor massive sulfides could present opportunities for oceanographic science to facilitate seafloor mineral development in ways that lessen environmental harms.
  • Deep-sea scleractinian coral age and depth distributions in the northwest Atlantic for the last 225,000 years 

    Robinson, Laura F.; Adkins, Jess F.; Scheirer, Daniel S.; Fernandez, Diego P.; Gagnon, Alexander C.; Waller, Rhian G. (University of Miami - Rosenstiel School of Marine and Atmospheric Science, 2007-11-01)
    Deep-sea corals have grown for over 200,000 yrs on the New England Seamounts in the northwest Atlantic, and this paper describes their distribution both with respect to depth and time. Many thousands of fossil scleractinian ...
  • Defining DNA-based operational taxonomic units for microbial-eukaryote ecology 

    Caron, David A.; Countway, Peter D.; Savai, Pratik; Gast, Rebecca J.; Schnetzer, Astrid; Moorthi, Stefanie D.; Dennett, Mark R.; Moran, Dawn M.; Jones, Adriane C. (2009-06-19)
    DNA sequence information has been increasingly used in ecological research on microbial eukaryotes. Sequence-based approaches have included studies of the total diversity of selected ecosystems, the autecology of ...
  • Defining the ecological and physiological traits of phytoplankton across marine ecosystems 

    Alexander, Harriet (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2016-02)
    Marine phytoplankton are central players in the global carbon cycle, responsible for nearly half of global primary production. The identification of the factors controlling phytoplankton ecology, physiology, and, ultimately, ...
  • Defining the word “seamount” 

    Staudigel, Hubert; Koppers, Anthony A. P.; Lavelle, J. William; Pitcher, Tony J.; Shank, Timothy M. (Oceanography Society, 2010-03)
    The term seamount has been defined many times (e.g., Menard, 1964; Wessel, 2001; Schmidt and Schmincke, 2000; Pitcher et al., 2007; International Hydrographic Organization, 2008; Wessel et al., 2010) but there is no ...
  • Delayed effects of developmental exposure to low levels of the aryl hydrocarbon receptor agonist 3,3′,4,4′,5-pentachlorobiphenyl (PCB126) on adult zebrafish behavior 

    Glazer, Lilah; Hahn, Mark E.; Aluru, Neelakanteswar (2015-11)
    Polychlorinated biphenyls (PCBs) are ubiquitous environmental contaminants. The most toxic PCBs are the non-ortho-substituted ("dioxin-like") congeners that act through the aryl hydrocarbon receptor (AHR) pathway. In humans, ...
  • Demographics of lytic viral infection of coastal ocean Vibrio 

    Kauffman, Anne K. M. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2014-06)
    Viral predation on bacteria in the ocean liberates carbon from the particulate fraction, where it is accessible to higher trophic levels, and redirects it to the dissolved fraction, where it supports microbial growth. ...
  • Denitrification likely catalyzed by endobionts in an allogromiid foraminifer 

    Bernhard, Joan M.; Edgcomb, Virginia P.; Casciotti, Karen L.; McIlvin, Matthew R.; Beaudoin, David J. (2011-10)
    Nitrogen can be a limiting macronutrient for carbon uptake by the marine biosphere. The process of denitrification (conversion of nitrate to gaseous compounds, including N2) removes bioavailable nitrogen, particularly in ...
  • The depth-distribution of nitrogen fixation by Trichodesmium spp. colonies in the tropical–subtropical North Atlantic 

    Olson, Elise M. B.; McGillicuddy, Dennis J.; Dyhrman, Sonya T.; Waterbury, John B.; Davis, Cabell S.; Solow, Andrew R. (Elsevier, 2015-07-02)
    Nitrogen fixation is an important yet still incompletely constrained component of the marine nitrogen cycle, particularly in the subsurface. A Video Plankton Recorder (VPR) survey in the subtropical North Atlantic found ...
  • Desmophyllum dianthus (Esper, 1794) in the scleractinian phylogeny and its intraspecific diversity 

    Addamo, Anna M.; Reimer, James D.; Taviani, Marco; Freiwald, Andre; Machordom, Annie (Public Library of Science, 2012-11-28)
    The cosmopolitan solitary deep-water scleractinian coral Desmophyllum dianthus (Esper, 1794) was selected as a representative model species of the polyphyletic Caryophylliidae family to (1) examine phylogenetic relationships ...
  • Detecting reactivity 

    Neubert, Michael G.; Caswell, Hal; Solow, Andrew R. (Ecological Society of America, 2009-10)
    By definition, ecological systems at a stable equilibrium eventually return to the equilibrium point following a small perturbation. In the short term, however, perturbations can grow. Equilibria that exhibit transient ...