Contents 



Introduction 1 



Cooperative Study Program 3 



Purpose and Specific Objectives 4 



Nature of Project Results 4 



Funding 5 



Implementation 5 



Structure of the Program 5 



Information about this Report g 



Summaries of Individual Study Module Reports 9 



Historical Perspective 



A. An Analysis of the Effect of Timber Harvest on 

 Streamflow Quantity and Regime: 



An Examination of Historical Records (Hauer) 1 1 



B. Evaluation of Historical Sediment Deposition Related to Land Use 



through Analysis of Lake Sediments (Spencer) 17 



Water Quality and Fisheries 



C. The Effect of Timber Management on Stream Water 



Quality (Hauer and Blum) 41 



D. Fisheries Habitat and Fish Populations (Weaver and Fraley) 51 



E. Application of the Montana Nonpoint Source 



Stream Reach Assessment in the Flathead Basin (Tralles) 69 



Evaluation of Forest Practices 



F. Assessments of Best Management Practices (Potts) 81 



G. Management Guidelines for Riparian Forests 



(Pfister and Sherwood) 89 



Flathead Basin Cooperative Program Final Report 



Pagei 



