Nicole M. Travis
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Sacramento River phytoplankton nutrient dynamics

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My Masters work in the Wilkerson/Dugdale/Parker lab investigated phytoplankton response to nutrients conditions in the San Francisco Estuary, especially ​nutrient uptake and growth of river phytoplankton along an NH4-rich effluent gradient. The project was broken into two related parts:
1) Use of PhytoFlash in situ variable fluorescence probe for detection of phytoplankton nutrient stress in an estuarine system. I am using this simplified field instrument to find correlations between nutrient dynamics in the field and Fv/Fm signals that may indicate algal "health" in the community.
2) Effects of wastewater nitrogen concentration and form on phytoplankton community assemblage. I am collaborating with local agencies to investigate which phytoplankton communities develop in the Sacramento River when various nitrogen forms are available (eg. high-NH4, high-NO3, both). more

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Sacramento River water quality

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Lagrangian tracking of nutrients and phytoplankton. 

Seining for grass shrimp

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SES at the MBL Ecosystems Center

Algae farming

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Tomales Bay Oyster Drills

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REU 2005 Poster

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