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CATLIN LAKE

Explore the unique ecosystem of Catlin Lake in the Adirondacks, characterized by its low nutrient content, diverse macrophytes, and abundant macroinvertebrates. Discover the fascinating aquatic life thriving in this beautiful and pristine environment.

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CATLIN LAKE

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  1. CATLIN LAKE A case study By Kate Hilfiker

  2. Location • Catlin Lake is located in the Adirondacks in the Huntington Biological Field Station • We visited this lake during our field trip • The sun was shinning • There was a large whole in one of the boats

  3. Background information • Oligotrophic lake • The watershed is small, protected, land has little development • Low nutrient content • Small Adirondack lake • 12.5 meters deep at the deepest points • Dimictic • Very beautiful

  4. Temperature Profile

  5. Unique macrophytes Common Pipewort(Eriocaulon aquaticum) -shallow fresh water-Full sun -Sandy/peaty, slightly acidic soil -Clear water Water Celery (Vallisneria americana) -Ponds, lakes, and quiet streams at depths of 1 to 4 m -Leaves, fruits, and rootstocks are excellent food for waterfowl

  6. Macroinvertebrates and Benthos Phantom Midge Larva (Charborus species) -Secondary consumers -Filter Feeders -Eat Daphnia and Cyclops -Eaten by many fish Order-Trichoptera Family- Molannidae -larvae construct a shield-shaped case made of sand grains -found in lakes with sand

  7. Algae!! -There is an abundance of sand present at this lake. -A good source of silica

  8. Zooplankton Daphnia Kellicotta Calanoid Bosmina Keratella

  9. QUESTIONS?

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