Selected Publications

Articles In Academic Journals

Year Title
2018 Assessing Phytoplankton Nutritional Status and Potential Impact of Wet Deposition in Seasonally Oligotrophic Waters of the Mid-Atlantic BightGeophysical Research Letters. 3203-3211.
2017 A major step in opening the black box of high-molecular-weight dissolved organic nitrogen by isotopic labeling of synechococcus and multibond two-dimensional NMRAnalytical chemistry. 9.
2017 Biological nitrogen fixation in the oxygen-minimum region of the eastern tropical North Pacific OceanISME Journal. 2356-2367.
2017 Cyanate distribution and uptake in north Atlantic coastal watersLimnology & Oceanography. 2538-2549.
2017 Peptide hydrolysis and uptake of peptide hydrolysis products in the james river estuary and lower Chesapeake bayMarine Chemistry. 52-63.
2016 Distribution, Sources, and Sinks of Cyanate in the Coastal North Atlantic OceanENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS.
2014 Daily variability in phytoplankton abundance and nutrient concentrations in a tidally dominated eutrophic estuaryMarine Ecology Progress Series. 59-74.
2013 Chromatographic Determination of Nanomolar Cyanate Concentrations in Estuarine and Sea Waters by Precolumn Fluorescence DerivatizationAnalytical chemistry. 6661-6666.
2013 Combined effects CO2 and light on large and small isolates of the unicellular N2-fixing cyanobacterium Crocosphaera watsonii from the western tropical Atlantic Ocean.European Journal of Phycology.
2013 Marine Phytoplankton Temperature versus Growth Curves from Polar to Tropical Waters – Outcome of a Scientific Community-Wide StudyPLOS Biology.
2013 Uncoupling between dinitrogen fixation and primary productivity in the eastern Mediterranean SeaJournal of Geophysical Research (JGR): Biogeosciences.
2012 Reactivity and chemical characterization of effluent organic nitrogen from wastewater treatment plants determined by Fourier transform ion cyclotron resonance mass spectrometryWATER RESEARCH. 622-634.
Growth and nitrogen uptake kinetics for Prorocentrum donghaiense acclimated to different nitrogen sourcesPLOS ONE.


  • ECOHAB: Identifying causes and preventing initiation of Cochlodinium and Alexandrium blooms in lower Chesapeake Bay  awarded by National Oceanographic and Atmospheric Administration 2015 - 2020
  • ECOHAB: Understanding and predicting the regional expansion and toxicity of harmful cyanobacteria blooms in Coastal Atlantic Environments: Effects of eutrophication, temperature and grazing  awarded by National Oceanographic and Atmospheric Administration 2015 - 2020
  • Environmental toxins and toxicants as risk factors for ALS  awarded by National Institutes for Health 2015 - 2019
  • Lower James River Estuary Project: Surface Chlorophyll A Distributions  awarded by Hampton Roads Sanitation District Commission 2017 - 2018
  • Assessing the synergistic effects of acidification and eutrophication on the formation of toxic cyanobacteria blooms and hypoxia events  awarded by National Oceanographic and Atmospheric Administration 2015 - 2018
  • NOAA NPP OA Cruise  awarded by University of New Hampshire 2016 - 2017
  • Cyanate in the Sea: Sources, Sinks, and Quantitative Significance  awarded by The National Science Foundation 2015 - 2017
  • Collaborative Research: Collaborative Research: Dinitrogen fixation rates and diazotrophic communities in contrasting oxygen regimes of the Eastern Pacific Ocean  awarded by The National Science Foundation 2014 - 2017
  • Environmental Risk Factors For Als- The Northern New England Als Database, Cyanobacteria And Methyl-Mercury  awarded by Dartmouth College 2014 - 2017
  • ECOA- The East Coast Ocean Acidification Cruise 2015  awarded by National Oceanographic and Atmopheric Administration 2015 - 2016
  • Collaborative Research: Impact of atmospheric deposition on the biogeochemistry of Eastern North American coastal waters  awarded by National Science Foundation 2013 - 2016
  • Amyotrophic Lateral Sclerosis Risk Factors and Exposures Pathways  awarded by Department of Health and Human Services National Institutes of Health 2014 - 2015
  • Characterizing the vertical structure of Chlorophyll a in the Lower James River  awarded by Hampton Roads Sanitation District 2014 - 2015
  • GEO-CAPE: Primary productivity in coastal waters in the western Gulf of Mexico  awarded by National Aeronautics and Space Administration 2013 - 2015
  • Environmental factors promoting algal blooms in the Lower James River estuary  awarded by Virginia Department of Environmental Quality 2013 - 2014
  • Collaborative Research: Cyanate Availability and Utilization by Marine Microbial Assemblages  awarded by National Science Foundation 2012 - 2014
  • Diagnostic pigments as early indicators of blooms  awarded by Virginia Department of Environmental Quality 2012 - 2013
  • Environmental factors promoting algal blooms in the Lower James River estuary  awarded by Virginia Department of Environmental Quality 2012 - 2013
  • Estimating nutrient inputs through stochastic events in a lower Chesapeake Bay tributary  awarded by Virginia Environmental Endowment 2012 - 2013
  • Nutritional factors promoting cyanobacterial blooms in the Upper James River estuary  awarded by Virginia Department of Environmental Quality 2012 - 2013
  • RAPID: Does dinitrogen fixation occur in oxygen minimum zones?  awarded by National Science Foundation 2012 - 2013
  • The Impacts of Climate Variability on Primary Productivity and Carbon Distributions in the Middle Atlantic Bight and Gulf of Maine  awarded by National Aeronautics and Space Administration 2009 - 2013
  • GEO-CAPE: Primary productivity  awarded by National Aeronautics and Space Administration 2011 - 2012
  • Use of Algae as a Tertiary Treatment Process for Nitrogen Removal  awarded by Hampton Roads Sanitation District 2010 - 2011
  • ECOHAB: Karenia Nutrient Dynamics in the Eastern Gulf of Mexico  awarded by National Oceanographic and Atmospheric Administration 2006 - 2011
  • Collaborative Research: Resistance of peptide degradation products in seawater  awarded by National Science Foundation 2007 - 2009
  • Expertise Keywords

  • Oceanography : Nitrogen and carbon cycling, harmful and other algal blooms, organic matter cycling in marine and estuarine environments, ,arine nitrogen fixation, bacterial and algal productivity and interactions
  • Education And Training

  • Ph.D. in Biological Oceanography, University of Maryland 1998
  • M.M. in Marine Affairs, University of Washington 1992
  • M.S. in Biological Oceanography, University of Washington 1986
  • B.S. in Geology/Biology, University of Notre Dame 1984
  • Full Name

  • Margaret Mulholland