Aquatic Biogeochemistry of Nitrogen and Phosphorus: a guide to the wilderness

The Friends of the Shenandoah River (FOSR) has conducted a monitoring program that now is approaching 25 years in duration.  Nitrogen (N) and phosphorus (P) are among the nutrients whose concentrations are measured: N as ammonia and as nitrate plus nitrite, P as reactive orthophosphate. The purpose of the monitoring is to detect changes in […]