Nutrient Criteria Slide Show            Slide 30

I

As Mean NO3-N concentrations Increased

These bio-metrics increased

These bio-metrics decreased

% Tolerant Diatoms (0.79)

# EPT Taxa (-0.53)

Periphyton Poll. Tol. Index (-0.50)

% Sensitive Diatoms (-0.48)

As Maximum NO3-N concentrations Increased

These bio-metrics increased

These bio-metrics decreased

# Motile Diatoms (0.85)

Periphyton Poll. Tol. Index (-0.49)

% Motile Diatoms (0.67)

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