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Mainstem Lookout Creek, below the confluence with McRae Creek, in the HJ Andrews Experimental Forest
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Dave Leer (CreekWalker Photography) and OSU undergraduate student Rylee Rawson electroshocking to sample fish and salamanders. The animals are captured, measured, and released back into their...
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Najma Ain, Rylee Rawson, and Dave Leer electroshocking in Lookout Creek
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Dave Leer, Najma Ain, and Rylee Rawson electroshocking for fish and salamanders in Lookout Creek. The bucket in the foreground has cutthtroat trout.
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Dave Leer, Najma Ain, and Rylee Rawson electroshocking in Lookout Creek
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Fish and salamanders are collected into a temporary bin where they are measured before being released back into the stream.
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Fish and salamanders are collected into a temporary bin where they are measured before being released back into the stream.
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Dave Leer, Najma Ain, and Rylee Rawson survey the fish and salamanders
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Coastal giant salamander, underside
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Coastal giant salamander
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Gwen Bury displays a sample bag containing gut contents of a cutthroat trout
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close up of a sample bag containing gut contents from a cutthroat trout
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Mainstem Lookout Creek, below the confluence with McRae Creek, in the HJ Andrews Experimental Forest
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Theo Nuss washes out the gut contents of a cutthroat trout by gastric lavage
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After a gastric lavage, the gut contents are put through a coffee filter, to catch the particulates. The entire filter is saved in a sample bag for later analysis.
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Gwen Bury records data on length of a cutthroat trout
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Gut content of a trout included a yellow jacket, complete with stinger
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A cutthroat trout having its gut contents washed out with a stream of water. The procedure is not harmful and the trout is released back into the stream afterwards.
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Gut content is put through a coffee filter and the entire filter is kept to analyze all particulates later
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OSU post-doc Gwen bury with a coastal giant salamander.
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This coastal giant salamander had a large fish, a sculpin, in its stomach. The fish came out during the gastric lavage procedure.