Biodiversity/Arthropods

1. Biodiversity/Arthropods aquatic canopy riparian lepidoptera - habitat, elevation terrestrial conifer coarse woody debris litter/soil Decomposition/C dynamics leaf log decomposition root decomposition elemental budgets regional C old-growth C sinks Soils/nutrient dynamics soil characterization, mapping mycorrhizal mats DIRT experiment soil solution chemistry trace gases seasonal N fluxes Vegetation succession mortality/population dynamics biomass and NPP trends growth and yield post-clearcut succession characterize old growth species diversity exotic species and roads Hydrology/small watersheds budgets, land use effects, water quality, peak flows rain-on-snow roads, temperature, revisit peak flows intersite hydrology Forest-stream interactions old-growth v. clearcut river continuum geomorphic template wood model coarse woody debris riparian hyporheic trout dynamics Disturbance/landscape fire history windthrow regional fire history landslides forest harvest patterns flood disturbance cascade Blue River Experimental Forest established 1948, named Andrews Experimental Forest 1953 IBP LTER1 LTER2 LTER3 LTER4 LTER5 forestry research ecosystem research 2002 1948 1950s 1960s 1970s 1980s 1990s manage-ment efficiency environ-mental protection clear-cutting cumulative effects of management old-growth species conservation, global change no cut on public land NATIONAL ISSUES Fig. 1.1. 50 years of H.J. Andrews Experimental Forest research and its context. Evolving emphases are shown within each of seven persistent themes (colored bars).