Decision support for companies, governments, or individuals based on analyses and modeling scenarios using a high capacity, integrated, Geographic information System-based digital database and that is mulit-layered, national in scope and local in scale; access is through user-defined interfaces that allow querying spatial, temporal and hierarchical information about state and potential of natural resources, environment and ecosystems; urban/surburban/rural areas, socio-economics of human populations; their settlement patterns as systems within systems; for educational, environmental, agricultural, political and business-based purposes through in internet, or servers, workstation, PCs