Julie LaRoche

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Julie LaRoche
Born1957 (age 66–67)
Quebec
SpouseDouglas Wallace
Academic background
EducationB.Sc., McGill University
PhD., Dalhousie University
ThesisAdaptation of phytoplankton to fluctuating nitrogen concentrations: long-term and short-term changes in ammonium uptake kinetics (1987)
Academic work
InstitutionsUniversity of Kiel
Dalhousie University

Julie LaRoche (born 1957) is a Canadian marine biologist. She is a Tier 1 Canada Research Chair in Marine Microbial Genomics and Biogeochemistry at Dalhousie University.

Early life and education[edit]

LaRoche was born in Quebec, Canada, in 1957. She earned her Bachelor of Science from McGill University and her PhD in Biological Oceanography at Dalhousie University.[1] While earning her PhD at Dalhouse, she met her future husband Douglas Wallace.[2]

Career[edit]

After completing her postdoctoral studies at Dalhousie University, LaRoche conducted research at the Brookhaven National Laboratory (BNL).[1] While there, LaRoche co-published “Flavodoxin expression as an indicator of iron limitation in marine diatoms" with Helen Murray-Tobin which earned them the Luigi Provasoli Award from the Phycological Society of America for the most outstanding research paper published in the Journal of Phycology.[3] She also studied how stress affects phytoplankton.[4] In 1998, LaRoche accepted a position at the University of Kiel as a professor in their Institute of Oceanography.[1]

LaRoche and her husband stayed in Germany until 2010 when they both accepted placements at their alma mater, Dalhousie. LaRoche was appointed a Tier 1 Canada Research Chair in Marine Microbial Genomics and Biogeochemistry, and her husband was appointed the University's Canada Excellence Research Chair.[5] Upon her return, she developed a lab to research how global climate change is affecting marine microbes and biochemical processes.[6] She specifically studied how phytoplankton and marine bacteria are affected by increases in temperature and decreases in pH.[7] In 2016, she received $149,900 in funding for her plankton research project, which allowed her to purchase a holographic microscope for a commercial ship she uses to study the Deep Panuke drilling station.[8] Previously, her team had only been able to analyze sample of water twice a year until The Atlantic Canadian company voluntarily provided the lab with free access on the Atlantic Condor.[9] The next year, she partnered with Canada C3, a 150-day expedition along the Atlantic, Arctic and Pacific coasts, to collect and share data.[10]

In 2019, LaRoche was renewed as a Canada Research Chair.[11]

To date, LaRoche has published over 170 academic publications, which have been cited over 30,000 times, resulting in an h-index of 70.[12]

Selected Publications[edit]

  • A mesoscale phytoplankton bloom in the polar Southern Ocean stimulated by iron fertilization. Philip W Boyd, Andrew J Watson, Cliff S Law, Edward R Abraham, Thomas Trull, Rob Murdoch, Dorothee CE Bakker, Andrew R Bowie, KO Buesseler, Hoe Chang, Matthew Charette, Peter Croot, Ken Downing, Russell Frew, Mark Gall, Mark Hadfield, Julie Hall, Mike Harvey, Greg Jameson, Julie LaRoche, Malcolm Liddicoat, Roger Ling, Maria T Maldonado, R Michael McKay, Scott Nodder, Stu Pickmere, Rick Pridmore, Steve Rintoul, Karl Safi, Philip Sutton, Robert Strzepek, Kim Tanneberger, Suzanne Turner, Anya Waite, John Zeldis. Nature. 2000.[13]
  • Redfield revisited: variability of C [ratio] N [ratio] P in marine microalgae and its biochemical basis. Richard J Geider and Julie La Roche. 2002/2. European Journal of Phycology.
  • Global iron connections between desert dust, ocean biogeochemistry, and climate. TD Jickells, ZS An, Katrine K Andersen, AR Baker, G Bergametti, Nick Brooks, JJ Cao, PW Boyd, RA Duce, KA Hunter, H Kawahata, N l Kubilay, J laRoche, PS Liss, N Mahowald, JM Prospero, AJ Ridgwell, I and Tegen, R Torres. Science. 2005.[14]
  • Processes and patterns of oceanic nutrient limitation. CM Moore, MM Mills, KR Arrigo, I Berman-Frank, L Bopp, PW Boyd, ED Galbraith, RJ Geider, C Guieu, SL Jaccard, TD Jickells, Julie La Roche, TM Lenton, NM Mahowald, E Marañón, I Marinov, JK Moore, T Nakatsuka, Andreas Oschlies, MA Saito, TF Thingstad, A Tsuda, and O Ulloa. Nature Geoscience. 2013.[15]
  • A communal catalogue reveals Earth’s multiscale microbial diversity. Nature. 2017. [16]

References[edit]

  1. ^ a b c "Prof. Dr. Julie LaRoche". laborundmore.com (in French). Retrieved December 3, 2019.
  2. ^ McNutt, Ryan (May 17, 2010). "OCEANS RESEARCH GETS A BOOST". dal.ca. Retrieved December 3, 2019.
  3. ^ Greenberg, Diane (April 18, 1997). "Oceanography Researchers Recognized" (PDF). bnl.gov. p. 2. Retrieved December 3, 2019.
  4. ^ "Iron Weighs Heavily In Ocean Plankton Growth, CO2 Absorption". eurekalert.org. October 9, 1996. Retrieved December 3, 2019.
  5. ^ Weeren, Marie (June 30, 2010). "THE RIPPLE EFFECT". dal.ca. Retrieved December 3, 2019.
  6. ^ "Monitoring Marine Microbes". bdbiosciences.com. Retrieved December 3, 2019.
  7. ^ "Deciphering the Role of the Invisible Marine Life with Julie LaRoche". ace-net.ca. Retrieved December 3, 2019.
  8. ^ Kennedy, Grace (February 24, 2016). "Dalhousie gets boost for plankton research". signalhfx.ca. Retrieved December 3, 2019.
  9. ^ Comeau, Nikki (February 19, 2016). "A blooming partnership to advance ocean research". dal.ca. Retrieved December 3, 2019.
  10. ^ Lewis, Patti (August 10, 2017). "BIOLOGIST SLEUTHS SOLVE MYSTERIES WITH DNA". dal.ca. Retrieved December 3, 2019.
  11. ^ Charlton, Michele (July 3, 2019). "DALHOUSIE HOME TO SIX NEW CANADA RESEARCH CHAIRS". dal.ca. Retrieved December 3, 2019.
  12. ^ "Julie LaRoche". scholar.google.com. Retrieved 2024-02-06.
  13. ^ Boyd, Philip W.; Watson, Andrew J.; Law, Cliff S.; Abraham, Edward R.; Trull, Thomas; Murdoch, Rob; Bakker, Dorothee C. E.; Bowie, Andrew R.; Buesseler, K. O.; Chang, Hoe; Charette, Matthew; Croot, Peter; Downing, Ken; Frew, Russell; Gall, Mark (October 2000). "A mesoscale phytoplankton bloom in the polar Southern Ocean stimulated by iron fertilization". Nature. 407 (6805): 695–702. doi:10.1038/35037500. ISSN 1476-4687.
  14. ^ Jickells, T. D.; An, Z. S.; Andersen, K. K.; Baker, A. R.; Bergametti, G.; Brooks, N.; Cao, J. J.; Boyd, P. W.; Duce, R. A.; Hunter, K. A.; Kawahata, H.; Kubilay, N.; laRoche, J.; Liss, P. S.; Mahowald, N. (April 2005). "Global Iron Connections Between Desert Dust, Ocean Biogeochemistry, and Climate". Science. 308 (5718): 67–71. doi:10.1126/science.1105959. ISSN 0036-8075.
  15. ^ Moore, C. M.; Mills, M. M.; Arrigo, K. R.; Berman-Frank, I.; Bopp, L.; Boyd, P. W.; Galbraith, E. D.; Geider, R. J.; Guieu, C.; Jaccard, S. L.; Jickells, T. D.; La Roche, J.; Lenton, T. M.; Mahowald, N. M.; Marañón, E. (September 2013). "Processes and patterns of oceanic nutrient limitation". Nature Geoscience. 6 (9): 701–710. doi:10.1038/ngeo1765. ISSN 1752-0908.
  16. ^ Thompson, Luke R.; Sanders, Jon G.; McDonald, Daniel; Amir, Amnon; Ladau, Joshua; Locey, Kenneth J.; Prill, Robert J.; Tripathi, Anupriya; Gibbons, Sean M.; Ackermann, Gail; Navas-Molina, Jose A.; Janssen, Stefan; Kopylova, Evguenia; Vázquez-Baeza, Yoshiki; González, Antonio (November 2017). "A communal catalogue reveals Earth's multiscale microbial diversity". Nature. 551 (7681): 457–463. doi:10.1038/nature24621. hdl:10072/408363. ISSN 1476-4687.

External links[edit]

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