Nutrient concentrations (μmol/L) measured during the HABs Grabs. Dissolved inorganic nitrogen (sum of nitrate, nitrite, and ammonium; top), total nitrogen (second row), total phosphorus (third row), and the ratio of total N to total P concentration (bottom) of the 9 August 2018 (left) and 7 August 2019 (right) HABs Grabs. Small dots on the maps represent the sample collection locations.