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Article
Ketil Koop-Jakobsen, Auteur ; Anne E. Giblin, AuteurAnammox bacteria are widespread in the marine environment, but studies of anammox in marshes and other wetlands are still scarce. In this study, the role of anammox in nitrogen removal from marsh sediments was surveyed in four vegetation types c[...]
Article
Anne E. Giblin, Auteur ; Nathaniel B. Weston, Auteur ; Gary T. Banta, Auteur ; Jane Tucker, Auteur ; Charles S. Hopkinson, AuteurBenthic respiration, sediment-water nutrient fluxes, denitrification and dissimilatory nitrate reduction to ammonium (DNRA) were measured in the upper section of the Parker River Estuary from 1993 to 2006. This site experiences large changes in [...]
Article
Nathaniel B. Weston, Auteur ; Anne E. Giblin, Auteur ; Gary T. Banta, Auteur ; Charles S. Hopkinson, Auteur ; Jane Tucker, AuteurWe examined the effects of seasonal salinity changes on sediment ammonium (NH(4) (+)) adsorption and exchange across the sediment-water interface in the Parker River Estuary, by means of seasonal field sampling, laboratory adsorption experiments[...]
Article
Melanie Hayn, Auteur ; Robert Howarth, Auteur ; Roxanne Marino, Auteur ; Neil Ganju, Auteur ; Peter Berg, Auteur ; Kenneth H. Foreman, Auteur ; Anne E. Giblin, Auteur ; Karen McGlathery, AuteurWest Falmouth Harbor, a shallow lagoon on Cape Cod, has experienced a threefold increase in nitrogen load since the mid-to late 1990s due to input from a groundwater plume contaminated by a municipal wastewater treatment plant. We measured the e[...]
Article
Joanna K. York, Auteur ; Gabrielle Tomasky, Auteur ; Ivan Valiela, Auteur ; Anne E. Giblin, AuteurWe measured fluxes of NH4+ and NO3- and delta N-15 of NH4+, sediment, and porewater NH4+ from incubated sediment cores along a nitrate gradient and in different seasons from Childs River, MA. NH4+ flux was low at the downstream site with the low[...]
Article
John M. Marton, Auteur ; Brian J. Roberts, Auteur ; Anne E. Bernhard, Auteur ; Anne E. Giblin, AuteurWe quantified nitrification potential and ammonia-oxidizing bacteria (AOB) and ammonia-oxidizing archaea (AOA) abundances in 13 salt marshes in three regions across southeast Louisiana (Terrebonne Bay, western and eastern regions of Barataria Ba[...]
