Now showing items 155-174 of 1037

    • 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 ...
    • 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 ...
    • Coexistence of multiple proteobacterial endosymbionts in the gills of the wood-boring bivalve Lyrodus pedicellatus (Bivalvia: Teredinidae) 

      Distel, Daniel L.; Beaudoin, David J.; Morrill, Wendy (American Society for Microbiology, 2002-12)
      Wood-boring bivalves of the family Teredinidae (commonly called shipworms) are known to harbor dense populations of gram-negative bacteria within specialized cells (bacteriocytes) in their gills. These symbionts are thought ...
    • Coldwater reattachment of colonial tunicate Didemnum vexillum fragments to natural (eelgrass) and artificial (plastic) substrates in New England 

      Carman, Mary R.; Grunden, David W.; Ewart, Danielle (Regional Euro-Asian Biological Invasions Centre (REABIC), 2014-03)
      The colonial tunicate Didemnum vexillum Kott, 2002, was introduced to New England in the 1980s and by 2000 it was widespread. This highly invasive species spreads by larval release and fragmentation. We tested the ability ...
    • Colonisation of newly-opened habitat by a pioneer species, Alvinella pompejana (Polychaeta: Alvinellidae), at East Pacific Rise vent sites 

      Pradillon, Florence; Zbinden, Magali; Mullineaux, Lauren S.; Gaill, Francoise (Inter-Research, 2005-11-04)
      Animal communities on the walls of deep-sea hydrothermal chimneys are distributed in mosaics of patches that may evolve as local environmental conditions change and biological interactions develop. Alvinella pompejana ...
    • COMADRE : a global data base of animal demography 

      Salguero-Gomez, Roberto; Jones, Owen R.; Archer, C. Ruth; Bein, Christoph; de Buhr, Hendrik; Farack, Claudia; Gottschalk, France; Hartmann, Alexander; Henning, Anne; Hoppe, Gabriel; Romer, Gesa; Ruoff, Tara; Sommer, Veronika; Wille, Julia; Voigt, Jakob; Zeh, Stefan; Vieregg, Dirk; Buckley, Yvonne M.; Che-Castaldo, Judy; Hodgson, David; Scheuerlein, Alexander; Caswell, Hal; Vaupe, James W. (John Wiley & Sons, 2016-01-27)
      The open-data scientific philosophy is being widely adopted and proving to promote considerable progress in ecology and evolution. Open-data global data bases now exist on animal migration, species distribution, conservation ...
    • Come In, We’re Open: The Changing Culture of Research 

      Strasser, Carly (2016-06-27)
      We are hearing more about open: open data, open access, open source, open science, et cetera. More often, data sharing is requested or required by funders, journals, publishers, and institutions. What does this mean for ...
    • Community change within a Caribbean coral reef Marine Protected Area following two decades of local management 

      Noble, Mae M.; van Laake, Gregoor; Berumen, Michael L.; Fulton, Christopher J. (Public Library of Science, 2013-01-14)
      Structural change in both the habitat and reef-associated fish assemblages within spatially managed coral reefs can provide key insights into the benefits and limitations of Marine Protected Areas (MPAs). While MPA zoning ...
    • Community structure of marine sedimentary protists in relation to flow and grain size 

      Shimeta, Jeff; Gast, Rebecca J.; Rose, Julie M. (Inter-Research, 2007-06-20)
      Populations of unicellular, marine sedimentary protists are constrained by a variety of physical environmental factors, but influences of flow regime have rarely been studied. We compared community structure among 3 subtidal ...
    • The COMPADRE Plant Matrix Database : an open online repository for plant demography 

      Salguero-Gomez, Roberto; Jones, Owen R.; Archer, C. Ruth; Buckley, Yvonne M.; Che-Castaldo, Judy; Caswell, Hal; Hodgson, David; Scheuerlein, Alexander; Conde, Dalia A.; Brinks, Erik; de Buhr, Hendrik; Farack, Claudia; Gottschalk, France; Hartmann, Alexander; Henning, Anne; Hoppe, Gabriel; Romer, Gesa; Runge, Jens; Ruoff, Tara; Wille, Julia; Zeh, Stefan; Davison, Raziel; Vieregg, Dirk; Baudisch, Annette; Altwegg, Res; Colchero, Fernando; Dong, Ming; de Kroon, Hans; Lebreton, Jean-Dominique; Metcalf, Charlotte J. E.; Neel, Maile M.; Parker, Ingrid M.; Takada, Takenori; Valverde, Teresa; Velez-Espino, Luis A.; Wardle, Glenda M.; Franco, Miguel; Vaupel, James W. (John Wiley & Sons, 2014-11-09)
      Schedules of survival, growth and reproduction are key life-history traits. Data on how these traits vary among species and populations are fundamental to our understanding of the ecological conditions that have shaped ...