Fig. 1. Map of all study streams, subwatersheds, and the three intensively monitored watersheds within the Sugar Creek watershed, Clinton, Bond, and Madison counties, Illinois. Letters L, M, and H indicate the intensively monitored streams with low riparian forest cover (6%), medium riparian forest cover (22%), and high riparian forest cover (31%), respectively, and these watershed areas are indicated in black. Numbers 4 to 15 indicate the streams included for the rapid bioassessment, and these watershed areas are outlined in black.