Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • 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.