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Philip T Sandstrom

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Telemetry and reproductive data for Lake Trout in Yellowstone Lake, 2011-2016
We initiated a project in 2011 to identify lake-wide movement patterns and spawning areas of invasive lake trout in Yellowstone Lake, WY. We implanted acoustic transmitters in lake trout and established a network of stationary telemetry receivers in Yellowstone Lake. Lake Trout tagged with acoustic transmitters (Vemco V - series) were tracked with stationary acoustic receivers (Vemco VR2W - 69 kHz) from 2011 to 2015. In 2015-2016, we assessed the lake trout maturation cycle and reproductive potential in Yellowstone Lake by sampling lake trout that had been captured in suppression nets and euthanized. A gonadal-somatic index (GSI) was developed to provide an initial index of the lake trout maturation cycle and gonadal...
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