Kristen Hunter-Cevera cultured different types of colorful phytoplankton called Synechococcus, found in seawater samples from WHOI’s Martha’s Vineyard Coastal Observatory (MVCO). Hunter-Cevera, who recently earned her Ph.D. in the MIT-WHOI Joint Program, also used data from the FlowCytobot, an automated underwater microscope developed by WHOI scientists Heidi Sosik and Rob Olson, that tracked phytoplankton levels…