Upper Midwest Environmental Sciences Center
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Karp, W. A., P. Nealson, D. J. Lispi and Q. Ross (1987). Behavior of adult blueback herring migrating upstream through Lock 2 of the Erie Canal. Page 556 in M. J. Dadswell, R. J. Klauda, C. M. Moffitt, R. L. Saunders, R. A. Rulifson and J. E. Copper, eds. International Symposium on Common Strategies of Anadromous and Catadromous Fishes, Seattle, Washington (USA), American Fisheries Society.
Hydroacoustic techniques were used to observe movement of adult blueback herring Alosa aestivalis immediately upstream and downstream of the first lock on the Erie Canal at Waterford, New York, in May 1985. Objectives were to document fish movements in response to lockages, to develop recommendations for modified lock operations, and to evaluate hydroacoustic techniques for monitoring fish passage. At the lower gates, estimates of fish passage into the lock increased with duration of opening. At the upper gates, a pulse of fish was generally observed to move out of the lock immediately after the gates opened, and duration of opening did not appear to influence rate of fish passage from the lock into the canal. Fish were observed to move downstream, away from the lock gates, to avoid turbulence created by water dumping during the initial stages of drawdown.
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://www.umesc.usgs.gov/data_library/fisheries/fish_passage/karp.html
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