Stream geometry and related measurements are the baseline information needed for ecological analysis of materials and energy movements within a watershed landscape.Using the United States Geological Surveys(USGS)hydrography database and a geographic information system(ARC/INFO),we examined and compared the distribution of streams,stream sections,total numbers,density,and riparian zones,in five mountainous watersheds in the continental United States:the Pacific Coastal Range,Cascades,Rockie...