ichthyology and lake ecology. let’s talk lakes!!!

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ICHTHYOLOGY and LAKE ECOLOGY

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ICHTHYOLOGY and LAKE ECOLOGY

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FOOD CHAIN

AQUATIC PLANTS

OLIGOTROPHIC, MESOTROPHIC, EUTROPHIC

TROUTNEED COLD, CLEAN WATER

BULLHEADSCAN TOLORATE WARM, MUDDY WATER

PHOSPHORUS

WINTER KILL!

TURBIDITY AND TEMP.

BOG STAINED WATERS

BIOLOGICAL MAGNIFICATION

MISSISSIPPI WATERSHED

HARD WATER VS. SOFT WATERMineral in bedrock (Leeching)

Boundary Waters Canoe AreaGlacial Erosion, Acid Precipitation?

EXTERNAL ANATOMY

INTERNAL ANATOMY