Phytoplankton Distribution in a Deep-Oligotrophic Wisconsin Lake
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Conspicuous features of lakes include fish and aquatic plants, however, the water quality of lakes is determined by phytoplankton. Phytoplankton are freefloating, microscopic, photosynthetic organisms found in fresh and salt water environments. As a result of being photosynthetic organisms, phytoplankton obtain energy through photosynthesis. Growth of phytoplankton species is dependent on the presence of sufficient carbon dioxide, sunlight and nutrients (nitrates, phosphates, silicate, and calcium). Water depth can also affect growth rate, which was the focus of summer 2017 research on Pine Lake. Research is conducted on Pine Lake every summer to monitor health and changes in the lake over time. Summer 2017 research was dedicated to phytoplankton identification and generation of species trends throughout various depths. In addition, a field book identification guide was developed to make future phytoplankton identification more efficient.
Pine Lake (Wis.)