Decision Support and Statistics

The Gulf Coastal Prairie (GCP) includes areas within Kansas, Louisiana, Mississippi, Oklahoma, and Texas as well as Mexico. The GCP Landscape Conservation Cooperative aims to conserve prairie grasslands which helps migratory birds and other wildlife that rely on these ecosystems.

USGS scientists have been involved for a number of years in the development and use of Structural Equation Modeling (SEM). This methodology represents an approach to statistical modeling that focuses on the study of complex cause-effect hypotheses about the mechanisms operating in systems. SEM is increasingly used in ecological and environmental studies and this site seeks to provide educational...

The Joint Ecosystem Modeling team is developing and applying ecological models and other decision support tools for Greater Everglades restoration project planning.

The establishment and proliferation of exotic plants and animals can interfere with native ecological processes and can cause severe stress to sensitive ecosystems.