The official website of the Elkhorn Slough Foundation and Elkhorn Slough National Estuarine Research Reserve
Mapping the Elkhorn Slough

Maps have come a long way. Historic maps of the Slough were drawn by hand. They provide a rare snapshot into the Slough's past and how humans have altered the landscape over time.

Geographic information systems or GIS emerged in the 1970 and 80s. GIS changed forever the way maps were created and analyzed. GIS is a tool that manages, analyzes, and models data from our environment so that we can make decisions based on that information to better study changes over time, conserve and restore important resources, and protect biodiversity into the future.

How maps are used at the slough.

Historical Ecology and Restoration
Geographical Ecology and Research

Download GIS layers

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This site is maintained by the Elkhorn Slough Foundation in partnership with the Elkhorn Slough National Estuarine Research Reserve