distribution of chemical elements over time and space by altering the hydrologic regime.
Aerial photograph analyses of beaver activities on the 298—km2 Kabetogama Peninsula,
Minnesota, were coupled with site—specific studies of soil and pore water concentrations of
nutrients (nitrogen, phosphorus) and other ions (potassium, calcium, magnesium, iron,
sulfate, chloride), nitrogen cycling processes (nitrogen fixation and denitrification), and …