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Saila, S. B., T. T. Polgar, D. J. Sheehy and J. M. Flowers (1972). Correlations between alewife activity and environmental variables at a fishway. Transactions of the American Fisheries Society. 101:583-594.
An automatic recording system for fish counting and for the monitoring of water temperature, dissolved O2, pH, and solar radiation was employed on a newly constructed fishway on the Annaquatucket River, North Kingstown, Rhode Island. Records of fishway utilization by the alewife, Alosa pseudoharengus and of the environmental variables were critically examined by time series autocorrelation and cross-correlation techniques. It was demonstrated that migratory activity was hormonic with a diurnal periodicity and was closely associated with incident solar radiation. Suggestions for an improved monitoring system and further analysis were made.
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://www.umesc.usgs.gov/URL: http://www.umesc.usgs.gov/data_library/fisheries/fish_passage/saila.html
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