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University of Washington Fish Research Station, Salmon Study, Big Beef Creek, Washington, ca. 1966
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| Clip Title | University of Washington Fish Research Station, Salmon Study, Big Beef Creek, Washington, ca. 1966 |
| Clip Summary | Documentation of a mark-recapture study at the University of Washington School of Aquatic and Fishery Sciences research facility at Big Beef Creek. |
| Duration | 2 min., 10 sec. |
| Digital Format | Video |
| Original Source Title | Big Beef Creek |
| Original Source Summary | University of Washington Fish Research Station, students working at Lake William Symington and at Big Beef Creek to mark and release salmon smolts to track movement and growth patterns of the fish. |
| Participants/Performers | Williams, Ken
Koski, K |
| Notes | Researchers: Ken Williams, K Koski.
The following information was supplied by John Williams, Dave Beauchamp, and Lin Murdock from the University of Washington School of Aquatic and Fishery Sciences and by Steven Schroder, Washington Dept of Fish and Wildlife.
Ken Williams and K Koski examined the effects of Lake William Symington, a man-made lake, on the production of coho salmon smolts out of Big Beef Creek. Big Beef Creek was diverted down a side channel that fed the spawning channel. However, before water entered the spawning channel, it went through an inclined plane smolt trap located by the research station house. The concrete structure and fish trap are located at the outlet of Lake Symington. Williams and Koski were spray marking the fish to get an idea of the percentage of smolts that used that route, in order to expand total smolt numbers leaving the creek. The researchers captured fish with a backpack electrofishing unit that stunned the fish and allowed for live-capture. The fish were sprayed with fluorescent dye particles that embed in soft tissue around the fins and eye. After the fish were washed off, no visible mark remained to help predators locate the fish. Typically the fish were released back into the water and allowed to mix with the other fish. Fish in this area were then re-captured and examined for marks by placing them into a darkened box with an ultraviolet light that reflected the fluorescent dye. From this information, research would be able to determine how long fish spent in Big Beef Creek prior to leaving as smolts, make estimates of growth from parr to smolt, and possibly develop some crude estimates of parr to smolt survival.
Title supplied by cataloger.
Clip title supplied by cataloger.
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| Subjects (LCSH) | Williams, Ken
Koski, K.
Coho salmon--Monitoring--Washington (State)
Coho salmon--Washington (State)
William Symington, Lake
Big Beef Creek (Wash.)
University of Washington. School of Aquatic & Fishery Sciences
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| Genres (LCSH) | Nature films
Documentary films
Nonfiction films
Film clips
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| Location Depicted | United States--Washington (State) |
| Date Created | ca. 1966 |
| Digital Collection | Special Collections Moving Image Collection |
| Order Number | MV0036 |
| Ordering Info | To order a reproduction, inquire about permissions, or for information about prices see: http://www.lib.washington.edu/specialcollections/services/reproduction-info
Please cite the Order Number when ordering. |
| Repository | University of Washington Libraries, Special Collections Division |
| Repository Collection | University of Washington Audio Visual Services Materials Library, Acc 94-4, VC 41 |
| Digital Reproduction Information | Digital streaming QuickTime video file made from DVCAM master, by Special Collections at UW Media Center, Odegaard Library, on May 29, 2009, using Quick Time, version 7.6 |
| Rights | Restrictions may exist on reproduction, quotation, or publication. Contact the repository for details. |
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