| a fish-based index of biotic integrity to assess intermittent headwater streams in wisconsin, usa. | i developed a fish-based index of biotic integrity (ibi) to assess environmental quality in intermittent headwater streams in wisconsin, usa. backpack electrofishing and habitat surveys were conducted four times on 102 small (watershed area 1.7-41.5 km(2)), cool or warmwater (maximum daily mean water temperature > or = 22 c), headwater streams in spring and late summer/fall 2000 and 2001. despite seasonal and annual changes in stream flow and habitat volume, there were few significant temporal t ... | 2006 | 16770498 |