6: Site Quality Last updated Save as PDF Page ID 20242 Joan DeYoung Mt. Hood Community College via OpenOregon 6.1: Forest Site Productivity 6.2: Overview of Site Index 6.3: How to Use Site Index Curves 6.4: Characteristics of Suitable Site Index Trees 6.5: Field Technique Tips for Determining Site Index 6.6:. Determining Site Index from Field Measurements 6.7: Summary Questions