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The Juvenile Salmon Acoustic Telemetry System (JSATS) helps determine the survival rate of juvenile salmon in the Columbia River estuary by tracking fish as they migrate to the ocean. Just 0.43 grams and smaller than a pencil eraser, JSATS tags are the smallest acoustic tags available. After being inserted into the belly of juvenile salmon, acoustic tags emit a small sound, or "ping," every few seconds that is detected by receivers strategically placed in waterways. Each tag transmits a different code, which allows individual fish to be identified. The receivers record the ping's position and use that data to trace where each tagged fish travels. Pacific Northwest National Laboratory and NOAA Fisheries began developing JSATS in 2001 for the U.S. Army Corps of Engineer's Portland District.

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Document Title: Juvenile Salmon Acoustic Telemetry System (JSATS)
Category: Marine Science
Media Type: Graphics
Date of Image/Photo: July 21, 2009
Background: This graphic was created for public outreach purposes, including interactions with the press. It will be used in a July 22, 2009 press release about a technical JSATS paper presentation being given July 29 at the Waterpower XVI conference in Spokane, Wash.
URL of this page: http://picturethis.pnl.gov/picturet.nsf/by+id/DRAE-7_6P9A

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