CONTENTS 



PAGE 



Introduction 9 



Area of survey 9 



Authorization of survey 10 



Table showing plantings of fish in watershed 11 



Statistics 10 



Program of Erie-Niagara survey 11 



Organization of staff 12 



Continuation studies 13 



Conditions of pollution in Erie-Xiagara watershed 14 



Stocking lists and maps 16 



Colored plates 16 



Results of survey 17 



Papers b}' specialists 18 



Section I. Stocking policy for lakes, streams and ponds of Erie-Niagara 



watershed exclusive of Lake Erie 19 



Table 1. Planting table for trout streams 20 



Temperature in relation to distribution of trout 21 



Table 2. Relation of air and water temperatures 21 



Table 3. Probable relation of maximum air and water temperatures 22 



Table 4. Comparison of air and water temperatures in three trout streams. ... 22 



Quantitative study of the fish population in streams 23 



Change in policy for rainbow trout 24 



Competition between minnows and trout 24 



Stream mileage suitable for stocking 27 



Table 5. Distribution of trout stream mileage 27 



The more successful trout streams and ponds 28 



Table 6. Analysis of water in Ledge creek 29 



Proposed artificial lake for Zoar valley 33 



Important bass ponds and lakes 37 



Table 7. Temperatures in Lime lake 38 



Section XL A preliminary report on the joint survej' of Lake Erie 39 



Introduction 39 



Program and itinery 39 



Table 1. Shearwater stations 40 



Physical observations 42 



Chemical and bacteriological observations 42 



Biological observations 42 



Table 2. Navette stations 43 



Discussion of results 45 



1 . Hydrography 45 



Equipment 45 



Temperatures 46 



Transparency 46 



Table 3 46 



Distribution of temperature 46 



Currents 46 



2. Bacterial studies of Lake Erie 56 



3. Chemical studies of Lake Erie 58 



4. Microplankton studies of Lake Erie 60 



Field methods 60 



Laboratory methods 61 



Genera and species of microplankton 63 



Quantity of microplankton 64 



5. Macroplankton of Lake Erie 67 



Apparatus and methods 67 



Importance of the macroplankton 67 



Relation to microplankton 67 



Components and amount 68 



[3] 



