Assess undergraduate students' understanding of the main drivers (external and internal nutrient loading, land use and agricultural runoff, wastewater, atmospheric deposition, and climate/hydrological change) and ecological consequences (harmful algal blooms, food‑web shifts, hypoxia/anoxia, biodiversity loss, altered biogeochemical cycling, and impacts on ecosystem services) of freshwater eutrophication in temperate lakes, including key monitoring indicators and common mitigation strategies (nutient reduction, watershed management, in-lake controls).