April 3, 2005
The Trinity River is a coastal river in northern California. In the early 1960’s, 90% of its flow was diverted to the Sacramento River, with serious impacts to the ecosystem and the salmon populations that depend on it. Over the five years ESSA worked with […]
March 3, 2005
In 2005 we won the first of several projects with the Canadian Department of Fisheries and Oceans to develop a fish habitat model for every stream in the Yukon territory. ESSA developed an unprecedented GIS dataset and model logic that simulates the behaviour of fish […]
January 3, 2005
Starting in 1989, The Nature Conservancy and its partners began to develop a strategy for ecosystem restoration on the Sacramento River, California. Initially focused on riparian revegetation, the plan moved to a study of how Shasta and Keswick Dams could be operated to better incorporate […]