Presentations and Publications

 
 

Recent Presentations


2016Subramaniam A, Juhl AR, D’souza, N†, Weber S**, Montoya J. Biogeography of Phytoplankton Community Structure in the Northern Gulf of Mexico. ASLO/AGU/TOS Ocean Sciences Meeting Feb. 2016.


2016D’souza, N†, Weber S**, Subramaniam A, Juhl AR, Montoya J. Changes in Microbial and Phytoplankton Communities in Response to Oil and Nutrients in the Northern Gulf of Mexico: Correlating Experiments With Field Observations. ASLO/AGU/TOS Ocean Sciences Meeting Feb. 2016.


2016Fang D*, Juhl AR. Effects of Crude Oil on Growth Rate and Variable Fluorescence of Marine Cyanobacteria. ASLO/AGU/TOS Ocean Sciences Meeting Feb. 2016.


2016Neuer S, Wolverton M**, Juhl AR, Aumack C†, McHugh C*, Kinzler K**. Export of algal communities from land fast Arctic sea ice influenced by overlying snow depth and episodic rain events. ASLO/AGU/TOS Ocean Sciences Meeting Feb. 2016.


2016Subramaniam A, Juhl AR, D’souza, N†, Weber S**, Montoya J. Use of Autonomous Platforms to Study the Hydrography around Natural Hydrocarbon Seeps in the Gulf of Mexico. Gulf of Mexico Oil Spill and Ecosystem Science Conference, Tampa, FL, Feb 2016.


2016Yan B, Passow U, Asper V, Dierks A, Juhl AR. Continuous Sedimentation of Spilled Oils in the Northern Gulf of Mexico after DwH Oil Spill. Gulf of Mexico Oil Spill and Ecosystem Science Conference, Tampa, FL, Feb 2016.


2016Juhl AR, Fang D*. Effects of Crude Oil on Growth Rate and Variable Fluorescence of Marine Cyanobacteria. Gulf of Mexico Oil Spill and Ecosystem Science Conference, Tampa, FL, Feb 2016.


2016Weber S**, D’souza, N†, Subramaniam A, Juhl AR, Montoya J. Release from limitation: Exploring phytoplankton nutrient limitation and community shifts in the Gulf of Mexico. Gulf of Mexico Oil Spill and Ecosystem Science Conference, Tampa, FL, Feb 2016.


2016Harke MJ†, Alexander H**, Haley ST, Juhl AR, Dyhrman ST.  Transcriptional profiling of phosphorus and nitrogen physiology in five bloom-forming microbial eukaryotes.  EMBO Symposium, A New Age of Discovery for Aquatic Microeukaryotes, Heidelberg, Germany, Feb 2016.


2015Morris, JJ, Dutkiewicz S, Dyhrman S, Haley S, Juhl A, Mackey KR. Effects of Ocean Acidification on Phytoplankton Growth and Physiology. Third U.S. Ocean Acidification Principal Investigators' Meeting, Woods Hole, MA, June 2015.


2015Haley ST, Juhl AR, Morris JJ, Follows M, Dutkiewicz S, Dyhrman ST. Tracking short and long-term changes in marine phytoplankton physiology in response to increased CO2. Third U.S. Ocean Acidification Principal Investigators' Meeting, Woods Hole, MA, June 2015.


2015Juhl AR. Sewage contamination in the Hudson: spatial and temporal patterns. Guest Lecture, Mercy College, June 2015.


2015Juhl AR. The Arctic’s Secret Garden: Algae Living in Arctic Sea Ice and Their Role in Coastal Arctic Marine Ecosystems. University of Texas Marine Science Institute, Schweppe Distinguished Lecture Series. Port Aransas, Tx, May 2015.


2015Aumack CF†, Juhl AR. The Arctic’s secret garden: landfast sea ice communities and their contribution to the underlying marine ecosystems. Northeast Algal Society Annual Symposium (invited talk). Syracuse, NY, April 2015.


2015D’souza N†, Juhl AR, Subramaniam A, Hafez M, Chekalyuk A, Phan S*, Yan B, Ziervogel K, Bullock K*, MacDonald I, Montoya J. Why is chlorophyll elevated near natural seeps in the Gulf of Mexico? Evidence for bottom-up, and top-down controls on planktonic microbes. Gulf of Mexico Oil Spill and Ecosystem Science Conference, Houston, TX, Jan 2015.


2015Subramaniam, A. D’souza N†, Juhl A, Hafez M, Chekalyuk A, Yan B. Biogeography Of Phytoplankton Community Structure In The Northern Gulf Of Mexico. Gulf of Mexico Oil Spill and Ecosystem Science Conference, Houston, TX, Jan 2015.


2014       Hess F, Juhl AR, Nichols JE, Karavias JA. Bringing Arctic Science into the Classroom. National Science Teachers Assoc. National Conference, Boston MA April 2014 


2014       Aumack CF†, Juhl AR, Neuer S. Influences of overlying snow on particle sinking velocity following export from land fast Arctic sea-ice. ASLO/AGU/TOS Ocean Sciences Meeting, Honolulu HI Feb 2014


2014       D’souza N†, Juhl AR, Ziervogel K, Bullock K*, Yan B, Subramaniam A. Synergy Of Oil, Nutrients, And Predation In Influencing Planktonic Processes In The Gulf of Mexico. ASLO/AGU/TOS Ocean Sciences Meeting, Honolulu HI Feb 2014


2014       Juhl AR, O’Mullan G, Mellendorf M**, Aumack CF†. Quantifying water column sinking rates of suspended matter and fecal indicator bacteria. ASLO/AGU/TOS Ocean Sciences Meeting, Honolulu HI Feb 2014


2014       Fowler R, Juhl AR, Aumack CF†. Communicating Ocean Science On A Social News Site: What We Learned From Being Asked Anything. ASLO/AGU/TOS Ocean Sciences Meeting, Honolulu HI Feb 2014


2014       Kinzler K**, McHugh C*, Aumack CF†, Juhl AR, Neuer S. Temporal And Spatial Export Variability Of Algal Communities From Land Fast Arctic Sea Ice. ASLO/AGU/TOS Ocean Sciences Meeting, Honolulu HI Feb 2014


2014       O’Mullan G, Juhl AR, Schneider E**, Young S**, Martinez N*, Morel A*, Perez J*. Coupled Abundance And Persistence Of Fecal Indicator And Antibiotic Resistant Bacteria In Water And Sediment From The Hudson River Estuary. ASLO/AGU/TOS Ocean Sciences Meeting, Honolulu HI Feb 2014


2014       Ziervogel K, Sweet J, Passow U, Juhl A, Arnosti C. Sediment resuspension in the deep Gulf of Mexico affects redistribution and transformation of (oil-rich) POM. ASLO/AGU/TOS Ocean Sciences Meeting, Honolulu HI Feb 2014


2014       Bullock K*, D’souza N†, Juhl A, Montoya J. Bacterial abundances in the water column near natural oil seeps and other oil-impacted areas in the Northern Gulf of Mexico. Gulf of Mexico Oil Spill and Ecosystem Science Conference, Mobile, AL Jan 2014


2014       D’souza N†, Subramaniam A, Juhl A, Hafez M, Chekalyuk A, Yan B, MacDonald I. Multiple lines of evidence for elevated phytoplankton pigments near natural oil seeps in the Northern Gulf of Mexico. Gulf of Mexico Oil Spill and Ecosystem Science Conference, Mobile, AL Jan 2014


2014       Juhl AR, D’souza N†, Ziervogel K, Bullock K*, Yan B, Subramaniam A. Oil, Nutrients, And Predation Synergistically Control Planktonic Oxygen Consumption In The Gulf of Mexico. Gulf of Mexico Oil Spill and Ecosystem Science Conference, Mobile, AL Jan 2014


2014       Yan B, Passow U, Pitiranggon M, D’souza N†, Juhl A, Subramaniam A. Apples and Oranges? Characterizing spilled and seeped oil in the GOM. Gulf of Mexico Oil Spill and Ecosystem Science Conference, Mobile, AL Jan 2014


2014       Ziervogel K, Sweet J, Passow U, Juhl A, Asper V, Diercks A, Arnosti C. Sediment Resuspension In The Deep Gulf Of Mexico Affects Redistribution And Transformation Of (Oil-Rich) POM. Gulf of Mexico Oil Spill and Ecosystem Science Conference, Mobile, AL Jan 2014



Journal Publications:


  1. 1)    Dueker ME**, O’Mullan GD, Juhl AR, Weathers KC, Uriarte M (submitted, in revision). Wind strengthens bacterial connections between water quality and air quality at an urban waterfront


  1. 2)    O’Mullan GD, Duecker ME, Juhl AR (2016). “Challenges to managing microbial fecal pollution in coastal environments: extra-enteric ecology and microbial exchange among water, sediment and air. Current Pollution Reports (in press).


  1. 3)    D’souza NA†, Subramaniam A, Juhl AR, Hafez M, Chekalyuk A, Phan S*, Yan B, MacDonald I, Montoya J. (2016). Elevated surface chlorophyll associated with natural oil seeps in the Gulf of Mexico. Nature Geosciences 9: 215–218, doi:10.1038/ngeo2631.


  1. 4)    Aumack CF†, Juhl AR (2015). Light and nutrient effects on the settling characteristics of the sea ice diatom, Nitzschia frigida. Limnology and Oceanography 60: 765–776.


  1. 5)    Aumack CF†, Juhl AR, Krembs C (2014). Diatom vertical migration within landfast Arctic sea-ice. Journal of Marine Systems 139: 496-504


  1. 6)    Juhl AR, Anderson OR (2014). Geographic variability in amoeboid protists and other microbial groups in the water column of the lower Hudson River Estuary. Estuarine and Coastal Shelf Science 151:45-53


  1. 7)    Keeling PJ, and 77 others including Juhl AR (2014). The Marine Microbial Eukaryote Transcriptome Sequencing Project (MMETSP): Illuminating the functional diversity of eukaryotic life in the oceans through transcriptome sequencing. PLoS Biology 12(6) e101889


  1. 8)    Young S**, Juhl AR, O’Mullan GD (2013). Antibiotic resistant bacteria in the Hudson River Estuary linked to wet weather sewage contamination. Journal of Water and Heath. 11: 297-310


  1. 9)    Dueker ME**, O’Mullan GD, Juhl AR, Weathers KC, Uriarte M (2012). Local environmental pollution strongly influences culturable bacterial aerosols at an urban aquatic Superfund site. Environmental Science and Technology. 46: 10926-10933.


  1. 10)    Dueker ME**, O’Mullan GD, Weathers KC, Juhl AR, Uriarte M (2012). Coupling of fog and marine microbial content in the near- shore coastal environment. Biogeosciences 9:803-813.


  1. 11)    Suter E*, Juhl AR, and O’Mullan GD (2011). Abundance and particle association of Enterococci and total bacteria in the lower Hudson River estuary, USA. Journal of Water Resource and Protection 3: 715-725.


  1. 12)    Juhl AR, Krembs C, Meiners K (2011). Seasonal development and differential retention of ice algae and other organic fractions from Arctic sea ice.  Marine Ecology Progress Series 436:1-16.


  1. 13)    Dueker ME**, Weathers KC, O’Mullan, GD, Juhl AR, Uriarte M (2011). Environmental controls on coastal coarse aerosols: implications for microbial content and deposition in the near-shore environment. Environmental Science and Technology 45:3386-3392


  1. 14)    Haley ST, Juhl AR, Keafer BA, Dyhrman, ST, Anderson DM (2011). Detecting copepod grazing on low-concentration populations of Alexandrium fundyense using PCR identification of ingested prey. Journal of Plankton Research 33:927-936.


  1. 15)    Lesen A, Juhl AR, Anderson OR (2010). Heterotrophic microplankton in the lower Hudson River Estuary: potential importance of naked, planktonic amebas for bacterivory and carbon flux Aquatic Microbial Ecology 61:45-56.


  1. 16)    Juhl AR, Krembs C (2010). Effects of snow removal and algal photoacclimation on growth and export of ice algae. Polar Biology 33:1057-1065.


  1. 17)    Eddie BJ**, Juhl AR, Krembs C, Baysinger C, Neuer S (2010). Effect Of Environmental Variables On Eukaryotic Community Structure Of Land-Fast Arctic Sea Ice. Environmental Microbiology 12:797-809.


  1. 18)    Juhl AR, Martins CA** and Anderson DM (2008). Toxicity of Alexandrium lusitanicum to Gastropod Larvae is Not Caused by Paralytic-Shellfish-Poisoning Toxin. Harmful Algae 7:567-573.


  1. 19)    Juhl AR and Murrell MC (2008). Nutrient Limitation of Phytoplankton Growth and Physiology in a Subtropical Estuary (Pensacola Bay, Florida). Bulletin of Marine Science 82:59-82.


  1. 20)    Radloff KA**, Cheng Z, Rahman MW, Ahmed KM, Mailloux BJ, Juhl AR, Schlosser P, and Van Geen, A (2007). Mobilization of Arsenic During One-Year Incubations of Grey Aquifer Sands From Araihazar, Bangladesh. Environmental Science and Technology 41:3639-3645.


  1. 21)    Juhl, AR, and Murrell MC  (2005) Interactions Between Nutrients, Phytoplankton Growth, and Microzooplankton Grazing in a Gulf of Mexico Estuary. Aquatic Microbial Ecology 38:147-156.


  1. 22)    Juhl AR  (2005) Growth Rates and Elemental Composition of Alexandrium monilatum, a Red-Tide Dinoflagellate. Harmful Algae 4: 287-295.


  1. 23)    Latz MI Juhl AR, Elghobashi SE, Ahmed AM, Rohr J (2004). Hydrodynamic stimulation of dinoflagellate bioluminescence: a computational and experimental study. Journal of Experimental Biology. 207: 1941-1951.


  1. 24)    Talley DM and 13 others including Juhl AR (2003). Research Challenges at the Land/Sea Interface.  Estuarine and Coastal Shelf Science 58: 699-702.


  1. 25)    Juhl AR, Latz MI  (2002). Mechanisms of Fluid Shear-Induced Inhibition of Population Growth in a Red-Tide Dinoflagellate. Journal of Phycology 38: 683-694.


  1. 26)    Juhl AR, Trainer V, Latz MI (2001). Effect of Fluid Shear and Light on Population Growth and Cellular Toxin Content of the Dinoflagellate Alexandrium fundyense. Limnology and Oceanography 46: 758-764.


  1. 27)    Juhl AR, Velasquez V*, Latz MI (2000). Effect of Growth Conditions on Flow-Induced Inhibition of Population Growth of a Red-Tide Dinoflagellate.  Limnology and Oceanography 45: 905-915.


  1. 28)    Krembs C, Juhl AR, Strickler  JR (1998). The Spatial Information Preservation Method: Sampling the Nanoscale Distribution of Microorganisms.  Limnology and Oceanography 43: 298-306.


  1. 29)    Krembs C, Juhl AR, Long RA, Azam F (1998). Nanoscale Patchiness of Bacteria in Lake Water Studied with the Spatial Information Preservation Method.  Limnology and Oceanography 43: 307-314.


  1. 30)    Juhl AR, Ohman MD, Goericke R (1996). Astaxanthin in Calanus pacificus :  Assessment of Pigment-Based Measures of Omnivory.  Limnology and Oceanography 41: 1198-1207.


  1. 31)    Juhl AR, Taghon G (1993). Biology of an Active Methane Seep on the Oregon Continental Shelf.  Marine Ecology Progress Series 102:287-294.


Other Publications:


  1. 32)Riverkeeper (2015) How’s the water? 2015. Fecal Contamination in the Hudson River and its Tributaries. (edited by Shapley D, Lipscomb J, Epstein J, O’Mullan G, Juhl A, Knudson C). http://www.riverkeeper.org/wp-content/uploads/2015/06/Riverkeeper_WQReport_2015_Final.pdf


  1. 33)Riverkeeper (2014) How’s the water? 2014. Water quality monitoring, fecal contamination, and achieving a swimmable Hudson River (edited by O’Mullan G, Juhl A, Lipscomb J, Epstein J). http://www.riverkeeper.org/wp-content/uploads/2014/07/Riverkeeper_Water_Quality_Hows-the-Water-Report_2014-lr.pdf


  1. 34)Riverkeeper (2012). How is the water? 2012. Sewage contamination in the Hudson River Estuary 2006-2011 (edited by O’Mullan G, Juhl, A, Lipscomb J). http://www.riverkeeper.org/wp-content/uploads/2012/12/RvK_How-Is-the-Water-2012.pdf


  1. 35)Riverkeeper (2011). How is the water? Sewage contamination in the Hudson River Estuary 2006-2010 (edited by Brown T, Cearley R, Juhl A, Lipscomb J, O’Mullan G, Wolff D) . www.riverkeeper.org/wp-content/uploads/2011/08/RvK_How-Is-the-Water_2006-10.pdf


  1. 36)Juhl AR  (2005). Plankton. In Lehr JH, Keeley J, Lehr J [eds.], The Encyclopedia of Water. J. Wiley and Sons.


  1. 37)Juhl AR (2005). Food Chains/Food Webs/Food Cycles. In Lehr JH, Keeley J, Lehr J [eds.], The Encyclopedia of Water. J. Wiley and Sons.


  1. 38)Juhl AR, Franks PJS (2004). Cell-Concentration Dependence In Net Growth of Alexandrium monilatum. Harmful Algae 3: 218-219. (Extended abstract)


  1. 39)Juhl AR (2000). Effect of Fluid Shear on Dinoflagellate Growth, Physiology, and Toxin Content. Ph. D. Dissertation. University of California, San Diego. 138 p.


  1. 40)Juhl AR (1991). The Biology of a Shallow-Water Methane Vent. MS Thesis. Oregon State University. 89 p.



*   -  undergraduate intern

** -  graduate student (when work was conducted)

†   - post-doctoral researcher (when work was conducted)