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Browsing by Keyword "Fertilization"

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Browsing by Keyword "Fertilization"

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  • Sullivan, Patrick F.; Sommerkorn, Martin; Rueth, Heather M.; Nadelhoffer, Knute J.; Shaver, Gaius R.; Welker, Jeffrey M. (2007-04-12)
    Long-term fertilization of acidic tussock tundra has led to changes in plant species composition, increases in aboveground production and biomass and substantial losses of soil organic carbon (SOC). Root litter is an ...
  • Peng, Xuefeng; Yando, Erik; Hildebrand, Erica; Dwyer, Courtney; Kearney, Anne; Waciega, Alex; Valiela, Ivan; Bernhard, Anne E. (Frontiers Media, 2013-01-22)
    Since the discovery of ammonia-oxidizing archaea (AOA), new questions have arisen about population and community dynamics and potential interactions between AOA and ammonia-oxidizing bacteria (AOB). We investigated the ...
  • Dumollard, Remi; Hammar, Katherine; Porterfield, D. Marshall; Smith, Peter J. S.; Cibert, Christian; Rouviere, Christian; Sardet, Christian (Company of Biologists Limited, 2003)
    Fertilization increases both cytosolic Ca2+ concentration and oxygen consumption in the egg but the relationship between these two phenomena remains largely obscure. We have measured mitochondrial oxygen consumption and ...
  • Solzin, Johannes; Helbig, Annika; Van, Qui; Brown, Joel E.; Hildebrand, Eilo; Weyand, Ingo; Kaupp, U. Benjamin (Rockefeller University Press, 2004-07-26)
    Chemotaxis of sperm is an important step toward fertilization. During chemotaxis, sperm change their swimming behavior in a gradient of the chemoattractant that is released by the eggs, and finally sperm accumulate near ...
  • Hobbie, Sarah E.; Gough, Laura; Shaver, Gaius R. (2005-01-17)
    In the northern foothills of the Brooks Range, Alaska, moist non-acidic tundra dominates more recently deglaciated upland landscapes, whereas moist acidic tundra dominates older upland landscapes. In previous studies, ...
  • Baar, Hein J. W. de; Boyd, Philip W.; Coale, Kenneth H.; Landry, Michael R.; Tsuda, Atsushi; Assmy, Philipp; Bakker, Dorothee C. E.; Bozec, Yann; Barber, Richard T.; Brzezinski, Mark A.; Buesseler, Ken O.; Boye, Marie; Croot, Peter L.; Gervais, Frank; Gorbunov, Maxim Y.; Harrison, Paul J.; Hiscock, William T.; Laan, Patrick; Lancelot, Christiane; Law, Cliff S.; Levasseur, Maurice; Marchetti, Adrian; Millero, Frank J.; Nishioka, Jun; Nojiri, Yukihiro; van Oijen, Tim; Riebesell, Ulf; Rijkenberg, Micha J. A.; Saito, Hiroaki; Takeda, Shigenobu; Timmermans, Klaas R.; Veldhuis, Marcel J. W.; Waite, Anya M.; Wong, Chi-Shing (American Geophysical Union, 2005-09-28)
    Comparison of eight iron experiments shows that maximum Chl a, the maximum DIC removal, and the overall DIC/Fe efficiency all scale inversely with depth of the wind mixed layer (WML) defining the light environment. Moreover, ...
  • Fleeger, John W.; Johnson, David S.; Galvan, Kari A.; Deegan, Linda A. (2007-12)
    Responses of infaunal saltmarsh benthic invertebrates to whole-ecosystem fertilization and predator removal were quantified in Plum Island Estuary, Massachusetts, USA. Throughout a growing season, we enriched an experimental ...

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