TABLE OF CONTENTS 



Page 



Introduction 1 



Materials 



Description of Fisheries-Engineering Research Facility . . 2 



Assembly and dimensions of experimental fishway 3 



Collection, introductory and flow introduction pools ... 4 



Fishway hydraulics 6 



Lighting 6 



Methods 



Experimental approach 6 



Fish collection 7 



Preparations for release of fish 7 



Release of fish into fishway 7 



Observation and recording procedure 7 



Size and species considerations 9 



Species identification 10 



Test duration 10 



Measurement of passage time in fishway 11 



Observations 



List of capacity tests 11 



Effect of changing hydraulics on fish passage 12 



Examination of entry rate into fishway 13 



Pool residence per minute, September 7 test 15 



Fallbacks 16 



Discussion 16 



Summary 17 



Acknowledgments 18 



Literature cited 18 



Appendix 19 



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