Lake Water Chemistry ► Phosphorus ► Nitrate ► Silica.

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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