BENTHIC INDICATORS FOR THE SUBSTANTIALLY ALTERED LANDSCAPE OF THE MISSISSIPPI ALLUVIAL PLAINS. Ben Jessup – Tetra Tech, Inc. Valerie Alley – Mississippi DEQ Matt Hicks – USGS . SWPBA November 14, 2012 Lake Guntersville State Park.
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Ben Jessup – Tetra Tech, Inc.
Valerie Alley – Mississippi DEQ
Matt Hicks – USGS
November 14, 2012
Lake Guntersville State Park
Define the Disturbance Gradient (preliminary)
LD: Score +1 for each MD: score (-1) for each
-5 -4 -3 -2 -1 0 1 2 3 4 5
Disturbance Gradient Score
a ”X” in the formula represents the metric value
1”X” in the formula represents the metric value
Bluff Hills Drainage
Observable Delta Sites