Phytoplankton Ecology

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Heidi Sosik

My research is focused on quantitative plankton ecology and in my lab there are a range of possible summer projects for motivated undergraduates. Most on-going projects are related to coastal ecosystems and time series observations of plankton at scales from single cells up to large areas that can be monitored with satellite remote sensing. We have on-going field work at the Martha's Vineyard Coastal Observatory, which is a facility on the continental shelf near WHOI, that is connected to shore by power and fiber optic cables. We have developed some exciting new submersible flow cytometer technologies that rapidly measure microscopic particles (mostly phytoplankton, but also protozoa), including video imaging at the micron scale. These instruments are deployed at MVCO and produce lots of data (e.g., >10000 images per hour for months to years), so projects involving these time series can span from computer science (image analysis, computer vision, and machine learning) to modeling of populations and bloom dynamics. There are also opportunities for projects involving coastal field work, laboratory experiments with plankton cultures, and instrument development.

Heidi Sosik's website

Imaging Flow Cytobot data