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Lake Water Chemistry PowerPoint PPT Presentation

Lake Water Chemistry Phosphorus Nitrate Silica Chemical Interests Lake Production Levels Often Predict Entire Food Web Direct Effects on Spec. Cond., D.O., etc. Biotic Composition Direct/Indirect Relationships Visual Effects Phosphorus Total Phosphorus Onondaga Very High in Hypo.

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Lake Water Chemistry

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Presentation Transcript


Lake Water Chemistry

  • Phosphorus

  • Nitrate

  • Silica


Chemical Interests

  • Lake Production

    • Levels Often Predict Entire Food Web

  • Direct Effects on Spec. Cond., D.O., etc.

  • Biotic Composition

    • Direct/Indirect Relationships

  • Visual Effects


Phosphorus

  • Total Phosphorus

    • Onondaga Very High in Hypo.

    • Green’s Mono Layer

    • Catlin and Wolf Oligotrphic


Phos. Cont.


Nitrate


Green Lake Nitrate


Arbutus Lake Nitrate

  • Mostly Human Input

  • Deeper High Levels From Density Differences

  • Wolf Lakes Epi Levels High From Runoff


Silica Concentrations

  • Concentration Effects Algal Blooms

  • Occurs From Weathering of Rocks

  • Cycle Not As Well Known As Others


Green Lake Silica

  • Very High Concentrations Compared to Other Lakes

  • Chemo and Mono Layer

  • Overall Depth


Conclusion

  • Several Factors Effect the Concentrations of Chemicals Found Within a Lake.

    • Catchment

    • Physical Features

    • Paleolimnology

    • Anthropogenic Influences

  • Each of These Factors Then Effects The Rest of The lakes Biotic and Abiotic Features


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