INTEGRATED ECOLOGICAL ECONOMIC MODELING OF THE PATUXENT RIVER WATERSHED, MARYLAND

Patuxent landscape model: integrated ecological economic modeling of a wathershed

The Patuxent Landscape Model (PLM) is designed to simulate fundamental ecological processes on the watershed scale, in interaction with an economic component that predicts the land use patterns. The paper focuses on the ecological component of the PLM and describes how the spatial and structural rescaling can be instrumental for calibration of complex spatially distributed models. The PLM is ba...

Naval Air Warfare Center Aircraft Division Patuxent River, Maryland

Naval Air Warfare Center Aircraft Division Patuxent River, Maryland

Dynamics of white perch Morone americana population contingents in the Patuxent River estuary, Maryland, USA

Alternative migratory pathways in the life histories of fishes can be difficult to assess but may have great importance to the dynamics of spatially structured populations. We used Sr/Ca in otoliths as a tracer of time spent in freshwater and brackish habitats to study the ontogenetic movments of white perch Morone americana in the Patuxent River estuary. We observed that, soon after the larvae...

Temporal and Spatial Variations of Trace Metal Concentrations Oysters from the Patuxent River, Maryland

Concentrations of copper (Cu), silver (Ag), and cadmium (Cd) in eastern oysters (Crassostreu tirgkicu) from the upper Patuxent River estuary analyzed since 1986 (Cd since 1991) were high relative to concentrations in other sites in the United States analyzed by the National Oceanic and Atmospheric Administration National Status and Trends program. Patuxent River oysters had above average concen...