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Table Lu02: Qualitative erosional changes

Table Lu02: Qualitative erosional changes

 

Summary of probable qualitative changes to runoff, soil erosion, and riparian erosional resistance on parts of the Ozarks landscape relative to pre-settlement period conditions. Reproduced in whole from Jacobson and Primm (1994).
Period Uplands Valley Slopes Valley Bottoms
Pre-settlement Baseline Baseline Baseline
Early Settlement
Annual Runoff Decrease Slight Increase N/A
Storm Runoff Decrease Slight Increase N/A
Upland Sediment Yield Decrease Slight Increase N/A
Riparian Erosional Resistance N/A N/A Moderate Decrease
Timber-Boom
Annual Runoff Slight Increase Slight Increase N/A
Storm Runoff Slight Increase Moderate Increase N/A
Upland Sediment Yield Slight Increase Moderate Increase N/A
Riparian Erosional Resistance N/A N/A Decrease
Post-Timber-Boom
Annual Runoff Moderate Increase Increase N/A
Storm Runoff Moderate Increase Increase N/A
Upland Sediment Yield Moderate Increase Increase N/A
Riparian Erosional Resistance N/A N/A Substantial Decrease
Recent
Annual Runoff Slight Increase Slight Increase N/A
Storm Runoff Slight Increase Moderate Increase N/A
Upland Sediment Yield Slight Increase Slight Increase N/A
Riparian Erosional Resistance N/A N/A Decrease

N/A = Not Applicable

Key Messages: 

Conservation pays by enriching our economy and quality of life.

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