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State of New Jersey Department of Environmental Protection
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Fish Monitoring Sections

 


Bureau of Freshwater & Biological Monitoring

Low Gradient Metrics and Scoring

Click on each Metric for Scoring Explanation

Metric Ecological Class Response to Stress Scoring
Native Species Richness

Richness

Decrease (Adjusted Value/15)*100
Benthic Species Richness Habitat Decrease (Adjusted Value/3)*100
Intolerant Species Richness Richness Decrease (Adjusted Value/2)*100
% Tolerant Individuals Tolerance Increase ((93.5-Metric Value)/93.5)*100
% Insectivore Individuals Trophic Decrease (Metric Value/61.2)*100
% Piscivore Individuals Trophic Decrease (Metric Value/31.8)*100
Total Fish Abundance Minus Tolerants Composition Decrease (Metric Value/299)*100
Percent DELT Anomalies Condition Increase ((3.4-Metric Value)/3.4)*100

Metric Value adjusted for catchment size in first 3 Metrics

 

 

 

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Last Updated: August 10, 2017