Report on the use of regression equations from measurements made by water quality monitors and analytical results of manually collected samples estimating nutrient, bacteria, and other constituent concentrations to study streams in Kansas.
Links to science programs on upper Midwest river inventory and monitoring with links to databases on macroinvertebrates, fisheries, vegetation, water quality, bathymetry, floodplain forest, wildlife, sediment, contaminants and nutrients.
Report on satellite imagery collected by the NOAA Advanced Very High Resolution Radiometer (AVHRR) on NOAA polar-orbiting weather satellites. Links are provided to imagery of north-central Gulf of Mexico and of the Lake Pontchartrain.
Explains USGS scientific research and monitoring activities focused on ecosystems, with examples from emerging diseases, invasive species, rangeland fire, and the complex interactions among organisms and human activities.
GIS application for assessing, mapping, and quantifying the social value of ecosystem services. Helps decision makers consider tradeoffs among them with the human attitudes and preferences that express underlying social values.