CONTENTS 



PAGE 



Introduction . .. 9 



Area covered by the survey 9 



Authorization 10 



Statistics 10 



Program of investigation 10 



General guiding principles 12 



Personnel 12 



Stocking lists and maps 13 



Distribution of fishes in the watershed 13 



Colored plates 13 



Carp control studies 14 



Conditions of pollution in the watershed 15 



Plankton studies 16 



The lamprey, a pest of lake fishes 16 



Papers by specialists 16 



Section I. Stocking policy for the streams, smaller lakes and ponds of the Oswego 



watershed . . . . 17 



Water temperature 17 



Gaseous content of water 21 



Analyses of springs and spring runs 23 



Temperature and gaseous relations in Lowery pond 23 



Temperature and gaseous relations in Green lake 24 



Factors influencing the number of trout to be planted 24 



Area 24 



Primary food organisms 24 



Pool conditions 25 



Effects of angling 25 



Calculating the number of trout per mile of stream 26 



Planting table 26 



Miscellaneous considerations 27 



Brook trout vs. brown trout 27 



Nursery streams 28 



Rainbow trout 2S 



Stream mileage suitable for stocking 30 



Some successful trout streams of the watershed 32 



Pond acreage suitable for stocking 37 



The larger trout ponds 37 



Warm water ponds and lakes . 38 



Section II. The Finger lakes fish problem 40 



Fish catch 40 



Distribution of Finger lakes fishes 43 



Food of Finger lakes fishes 47 



Remarks on food of different species 47 



Vegetation , 51 



Bottom fauna 52 



Conditions affecting abundance of fishes 53 



Over fishing 53 



Illegal fishing 53 



Spawning grounds 54 



Stocking methods 54 



Condition of the tributary streams 54 



Obstructions in outlets 55 



Destructive enemies 55 



Competition of undesirable fish 56 



Condition of the water 56 



Food supply 57 



[3] 



