Written by the Fiveable Content Team โข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated September 2025
Definition
Oligotrophic lakes are bodies of water that have low nutrient concentrations, resulting in clear and oxygen-rich conditions. These lakes typically support a diverse range of aquatic life, including fish species.
Related terms
Trophic State: A classification system used to describe the nutrient status and productivity of a body of water.
Secchi Disk: A tool used to measure water transparency or clarity in bodies of water like lakes. It helps determine if a lake is oligotrophic or eutrophic.
The variety and abundance of different species within an ecosystem. Oligotrophic lakes often exhibit high biodiversity due to their favorable conditions.