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Stream piracy in the Black Hills: A geomorphology lab exercise Stream piracy in the Black Hills: A geomorphology lab exercise

The Black Hills of South Dakota exhibits many fine examples of stream piracy that are very suitable for teaching geomorphology lab exercises. This lab goes beyond standard topographic map interpretation by using geologic maps, well logs, gravel provenance and other types of data to teach students about stream piracy. Using a step-by-step method in which the lab exercises ramp up in...
Authors
Brent J. Zaprowski, Edward B. Evenson, Jack B. Epstein

Molluscan faunal distribution in Florida Bay, past and present: An integration of down-core and modern data Molluscan faunal distribution in Florida Bay, past and present: An integration of down-core and modern data

Statistical comparison of modern molluscan fauna to down-core molluscan assemblages in four cores elucidates changes in the Florida Bay ecosystem during the past 100 to 200 years. Fluctuations within molluscan faunal dominance and diversity patterns suggest a response to changing environmental conditions. Faunal dominance patterns indicate an increase in salinity in the northern...
Authors
G. Lynn Wingard, Jeffrey D. Stoner, Charles W. Holmes
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