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Effects Of The Invasive Zooplankter Bythotrephes Longimanus On The Aquatic Food Web In Green Bay, Lake Michigan, Arianna Neumeyer
Effects Of The Invasive Zooplankter Bythotrephes Longimanus On The Aquatic Food Web In Green Bay, Lake Michigan, Arianna Neumeyer
Lawrence University Honors Projects
Bythotrephes longimanus, also known as the spiny water flea, is an invasive planktonic crustacean in the Great Lakes. Bythotrephes competes with fish for smaller planktonic prey. We sampled southern Green Bay, WI during the summers of 2017 and 2018 to determine population structure and dynamics of zooplankton in this important body of water. The biomass of Bythotrephes in 2017 express high numbers in mid-June and experience a mid-summer crash in early-July. Biomass then began to rise steadily until reaching their peak in late-August and September. We observed this crash in biomass for Bythotrephes and Leptodora in both 2017 and …