September 3, 1997

Screening Environmental Impacts with the Australian Military

Screening Environmental Impacts with the Australian Military. Carol Murray and Kim Pawley were in the field developing the knowledge base for Calyx, which followed SCREENER as the next generation of ESSA’s expert systems for environmental assessment. By this time, they were developing systems for clients […]
May 3, 1997

The Tool for Exploratory Landscape Scenario Analyses (TELSA)

The Tool for Exploratory Landscape Scenario Analyses (TELSA) is a spatially explicit, GIS-based landscape-level model for simulating terrestrial ecosystem dynamics. It helps resource managers and planners assess the consequences of alternative management scenarios at the landscape scale. TELSA can be used as a tool for […]
May 3, 1996

Plan for Analyzing and Testing Hypotheses (PATH)

This project began in 1993 with a model comparison exercise, evolving into a 6-year project involving 11 agencies and about 30 scientists in a comprehensive decision analysis of what to do to preserve and recover endangered Snake River chinook salmon. Four journal articles were published, […]
December 3, 1995

Vegetation Dynamics Development Tool (VDDT)

The Vegetation Dynamics Development Tool (VDDT) a non-spatial state transition modelling tool, was originally created to assist with the Columbia River Basin Assessment related to protection of the spotted owl. The model required input about states of the landscape, and succession, insect, pathogen, and fire […]
November 3, 1995

Diana Abraham joins ESSA

Diana Abraham joins ESSA