OHSU

Joseph Needoba

Joseph Needoba

Assistant Professor
Institute of Environmental Health; Division of Environmental and Biomolecular Systems
Affiliate Scientist, Center for Coastal Margin Observation and Prediction
Office: Hatfield Research Center, 3rd floor, Room 314
Phone: 503-346-3421
Email:
Website: Aquatic Biogeochemistry and Plankton Ecology Group


Education

B.Sc., Biology and Oceanography (Honours), University of British Columbia, Vancouver, BC, 1997
Ph.D., Botany, University of British Columbia, 2003

 

Research Interests

Marine biogeochemistry; in situ sensors and instruments; phytoplankton ecology and physiology; stable isotope ecology.

 

Selected Publications

Melissa Gilbert; Joseph Needoba; Corey Koch; Andrew Barnard; Antonio Baptista
Nutrient Loading and Transformations in the Columbia River Estuary Determined by High-Resolution In Situ Sensors
Estuaries and Coasts. 2013;36(4):708-727.

Caroline S. Fortunato; Alexander Eiler; Lydie Herfort; Joseph A. Needoba; Tawnya D. Peterson; Byron C. Crump
Determining indicator taxa across spatial and seasonal gradients in the Columbia River coastal margin
ISME Journal. 2013;7(10):1899-1911.

Tawnya D. Peterson; Rachel L. Golda; Michael L. Garcia; Binglin Li; Michelle A. Maier; Joseph A. Needoba; Peter Zuber
Associations between Mesodinium rubrum and cryptophyte algae in the Columbia River estuary
Aquatic Microbial Ecology. 2012;68(2):117-130.

Lydie Herfort; Tawnya D. Peterson; Fredrick G. Prahl; Lee Ann McCue; Joseph A. Needoba; Byron C. Crump; G. Curtis Roegner; Victoria Campbell; Peter Zuber
Red Waters of Myrionecta rubra are Biogeochemical Hotspots for the Columbia River Estuary with Impacts on Primary/Secondary Productions and Nutrient Cycles
Estuaries and Coasts. 2012;35(3):878-891.

Jami H. Goldman; Stewart A. Rounds; Joseph A. Needoba
Applications of fluorescence spectroscopy for predicting percent wastewater in an urban stream
Environmental Science and Technology. 2012;46(8):4374-4381.

Leslie A. Slasor; Joseph Needoba; Corey Koch
Spectral fluorescence study of the degradation of crude oil mixed with seawater
ACS National Meeting Book of Abstracts. 2011.

tis Roegner; Joseph A. Needoba; António M. Baptista
Coastal upwelling supplies oxygen-depleted water to the columbia river estuary
PLoS ONE. 2011;6(4):[e18672].

J.N. Plant; K.S. Johnson; J.A. Needoba; L.J. Coletti
NH4-Digiscan: An in situ and laboratory ammonium analyzer for estuarine, coastal, and shelf waters
Limnology and Oceanography: Methods. 2009;7(FEB.):144-156.

Hans W. Jannasch; Luke J. Coletti; Kenneth S. Johnson; Stephen E. Fitzwater; Joseph A. Needoba; Joshua N. Plant
The land/ocean biogeochemical observatory: A robust networked mooring system for continuously monitoring complex biogeochemical cycles in estuaries
Limnology and Oceanography: Methods. 2008;6(JUL):263-276.

Kenneth S. Johnson; Joseph A. Needoba
Mapping the spatial variability of plankton metabolism using nitrate and oxygen sensors on an autonomous underwater vehicle
Limnology and Oceanography. 2008;53(5 PART 2):2237-2250.

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