Now showing items 155-174 of 1097

    • Characterizing acoustic features of marine animal sounds 

      Fristrup, Kurt M.; Watkins, William A. (Woods Hole Oceanographic Institution, 1992-01)
      Software tools were designed to characterize the acoustic features of marine animal sounds. These have resulted in a set of calculated measurements that summarize particular aspects of sound sequences. The specificity ...
    • Chemical impacts in fish and shellfish from Cape Cod and Massachusetts Bays 

      Moore, Michael J.; Smolowitz, Roxanna A.; Leavitt, Dale F.; Stegeman, John J. (Barnstable County Department of Health and Environment, 1998)
      Mununichogs, soft shell clams, and blue mussels from some or all of 10 sites in Boston Harbor and Massachusetts and Cape Cod Bays were examined histologically: a suite of pathological changes previously known to be ...
    • Chemistry, temperature, and faunal distributions at diffuse-flow hydrothermal vents : comparison of two geologically distinct ridge systems 

      Luther, George W.; Gartman, Amy; Yucel, Mustafa; Madison, Andrew S.; Moore, Tommy S.; Nees, Heather A.; Nuzzio, Donald B.; Sen, Arunima; Lutz, Richard A.; Shank, Timothy M.; Fisher, Charles R. (The Oceanography Society, 2012-03)
      Diffuse-flow, low-temperature areas near hydrothermal vents support life via chemosynthesis: hydrogen sulfide (and other reduced chemical compounds) emanating from the subsurface is oxidized with bottom-water oxygen through ...
    • Chemoautotrophy at deep-sea vents : past, present, and future 

      Sievert, Stefan M.; Vetriani, Costantino (The Oceanography Society, 2012-03)
      Chemolithoautotrophic microorganisms are at the nexus of hydrothermal systems by effectively transferring the energy from the geothermal source to the higher trophic levels. While the validity of this conceptual framework ...
    • Chemosynthetic communities in the deep sea : ecological studies 

      Van Dover, Cindy L. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1989-05)
      Deep-sea benthic communities dependent on chemosynthetic primary production are associated with areas of active venting of chemically-modified seawater. Patterns in the distribution of species that occur at hydrothermal ...
    • The choreography of belonging : toothed whale spatial cohesion and acoustic communication 

      Macfarlane, Nicholas B. W. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2016-02)
      To maintain the benefits of group membership, social animals need mechanisms to stay together and reunite if separated. This thesis explores the acoustic signals that dolphins use to overcome this challenge and mediate ...
    • Ciliate micrograzer dynamics of the New England Shelf 

      Brownlee, Emily F. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2017-06)
      Protists play important roles in grazing and nutrient recycling, but quantifying these roles has been hindered by difficulties in collecting, culturing, and observing these often-delicate cells. During long-term deployments ...
    • Circadian clocks in the cnidaria : environmental entrainment, molecular regulation, and organismal outputs 

      Reitzel, Adam M.; Tarrant, Ann M.; Levy, Oren (2013-03-26)
      The circadian clock is a molecular network that translates predictable environmental signals, such as light levels, into organismal responses, including behavior and physiology. Regular oscillations of the molecular ...
    • Circumpolar analysis of the Adélie Penguin reveals the importance of environmental variability in phenological mismatch 

      Youngflesh, Casey; Jenouvrier, Stephanie; Li, Yun; Ji, Rubio; Ainley, David G.; Ballard, Grant; Barbraud, Christophe; Delord, Karine; Dugger, Katie M.; Emmerson, Louise M.; Fraser, William R.; Hinke, Jefferson T.; Lyver, Philip O'B.; Olmastroni, Silvia; Southwell, Colin J.; Trivelpiece, Susan G.; Trivelpiece, Wayne Z.; Lynch, Heather J. (John Wiley & Sons, 2017-03-20)
      Evidence of climate-change-driven shifts in plant and animal phenology have raised concerns that certain trophic interactions may be increasingly mismatched in time, resulting in declines in reproductive success. Given the ...
    • Classification of broadband echoes from prey of a foraging Blainville's beaked whale 

      Jones, Benjamin A.; Stanton, Timothy K.; Lavery, Andone C.; Johnson, Mark P.; Madsen, Peter T.; Tyack, Peter L. (Acoustical Society of America, 2008-03)
      Blainville's beaked whales (Mesoplodon densirostris) use broadband, ultrasonic echolocation signals with a −10 dB bandwidth from 26 to 51 kHz to search for, localize, and approach prey that generally consist of mid-water ...
    • Clicking for calamari : toothed whales can echolocate squid Loligo pealeii 

      Madsen, Peter T.; Wilson, M.; Johnson, Mark P.; Hanlon, Roger T.; Bocconcelli, Alessandro; Aguilar De Soto, Natacha; Tyack, Peter L. (Inter-Research, 2007-11-27)
      Squid play an important role in biomass turnover in marine ecosystems and constitute a food source for ~90% of all echolocating toothed whale species. Nonetheless, it has been hypothesized that the soft bodies of squid ...
    • Clicking in shallow rivers : short-range echolocation of Irrawaddy and Ganges River dolphins in a shallow, acoustically complex habitat 

      Jensen, Frants H.; Rocco, Alice; Mansur, Rubaiyat M.; Smith, Brian D.; Janik, Vincent M.; Madsen, Peter T. (Public Library of Science, 2013-04-03)
      Toothed whales (Cetacea, odontoceti) use biosonar to navigate their environment and to find and catch prey. All studied toothed whale species have evolved highly directional, high-amplitude ultrasonic clicks suited for ...
    • Climate change threatens polar bear populations : a stochastic demographic analysis 

      Hunter, Christine M.; Caswell, Hal; Runge, Michael C.; Regehr, Eric V.; Amstrup, Steve C.; Stirling, Ian (Ecological Society of America, 2010-10)
      The polar bear (Ursus maritimus) depends on sea ice for feeding, breeding, and movement. Significant reductions in Arctic sea ice are forecast to continue because of climate warming. We evaluated the impacts of climate ...
    • Climate impacts on zooplankton population dynamics in coastal marine ecosystems 

      Batchelder, Harold P.; Daly, Kendra L.; Davis, Cabell S.; Ji, Rubao; Ohman, Mark D.; Peterson, William T.; Runge, Jeffrey A. (The Oceanography Society, 2013-12)
      The 20-year US GLOBEC (Global Ocean Ecosystem Dynamics) program examined zooplankton populations and their predators in four coastal marine ecosystems. Program scientists learned that environmental controls on zooplankton ...
    • Climate variability, oceanography, bowhead whale distribution, and Iñupiat subsistence whaling near Barrow, Alaska 

      Ashjian, Carin J.; Braund, Stephen R.; Campbell, Robert G.; George, John C.; Kruse, Jack; Maslowski, Wieslaw; Moore, Sue E.; Nicolson, Craig R.; Okkonen, Stephen R.; Sherr, Barry F.; Sherr, Evelyn B.; Spitz, Yvette H. (Arctic Institute of North America, 2010-06)
      The annual migration of bowhead whales (Balaena mysticetus) past Barrow, Alaska, has provided subsistence hunting to Iñupiat for centuries. Bowheads recurrently feed on aggregations of zooplankton prey near Barrow in autumn. ...
    • Cloning a new cytochrome P450 isoform (CYP356A1) from oyster Crassostrea gigas 

      de Toledo-Silva, Guilherme; Siebert, Marília N.; Medeiros, Igor D.; Sincero, Thaís C. M.; Moraes, Milton O.; Goldstone, Jared V.; Bainy, Afonso C. D. (2008-02)
      We have cloned the full-length cDNA of the first member of a new cytochrome P450 (CYP) family from the Pacific oyster Crassostrea gigas. This new CYP gene was obtained based on an initial 331 bp fragment previously ...
    • Closely related phytoplankton species produce similar suites of dissolved organic matter 

      Becker, Jamie W.; Berube, Paul M.; Follett, Christopher L.; Waterbury, John B.; Chisholm, Sallie W.; DeLong, Edward F.; Repeta, Daniel J. (Frontiers Media, 2014-03-28)
      Production of dissolved organic matter (DOM) by marine phytoplankton supplies the majority of organic substrate consumed by heterotrophic bacterioplankton in the sea. This production and subsequent consumption converts a ...
    • CO2 deposition over the multi-year ice of the western Weddell Sea 

      Zemmelink, Hendrik J.; Delille, B.; Tison, J. L.; Hintsa, Eric J.; Houghton, Leah A.; Dacey, John W. H. (American Geophysical Union, 2006-07-13)
      Field measurements by eddy correlation (EC) indicate an average uptake of 0.6 g CO2 m−2 d−1 by the ice-covered western Weddell Sea in December 2004. At the same time, snow that covers ice floes of the western Weddell Sea ...
    • The coastal environment and human health : microbial indicators, pathogens, sentinels and reservoirs 

      Stewart, Jill R.; Gast, Rebecca J.; Fujioka, Roger S.; Solo-Gabriele, Helena M.; Meschke, J. Scott; Amaral-Zettler, Linda A.; del Castillo, Erika; Polz, Martin F.; Collier, Tracy K.; Strom, Mark S.; Sinigalliano, Christopher D.; Moeller, Peter D. R.; Holland, A. Fredrick (BioMed Central, 2008-11-07)
      Innovative research relating oceans and human health is advancing our understanding of disease-causing organisms in coastal ecosystems. Novel techniques are elucidating the loading, transport and fate of pathogens in coastal ...
    • The coastal impact of ground water discharge : an assesment of anthropogenic nitrogen loading in Town Cove, Orleans, Massachusetts 

      Teal, John M. (Woods Hole Oceanographic Institution, 1983-11-14)
      The shores of Town Cove have been settled for three centuries. As for most of Cape Cod, small, sparsely populated farming and fishing villages of the eighteenth century have given way to a substantial population of ...