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Scientific Investigations Report 2012–5016


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Prepared in cooperation with the Bureau of Reclamation


Dispersal of Larval Suckers at the Williamson River Delta, Upper Klamath Lake, Oregon, 2006–09


Tamara M. Wood, Heather A. Hendrixson, Douglas F. Markle, Charles S. Erdman, Summer M. Burdick, Craig M. Ellsworth, and Norman L. Buccola 


Figures

Figure 1. Upper Klamath and Agency Lakes, Oregon, after restoration of the Williamson River Delta was completed in November 2008. 


Figure 2. Three shoreline configurations of the Williamson River Delta between 2007 and 2009, Upper Klamath and Agency Lakes, Oregon.

Figure 3. Measured larval drift and time series of the model boundary condition for fish density at the Modoc Point Road bridge, Upper Klamath Lake, Oregon, 2006–09.


Figure 4. Wind direction and speed data collected at the Williamson River Delta, Upper Klamath Lake, Oregon.


Figure 5. Simulated density of larval suckers at larval catch sites (except WR) in the Williamson River Delta, Oregon, 2006–09.


Figure 6. Discharge of Williamson River and elevation of Upper Klamath Lake, Oregon, between May and July 2006–09.


Figure 7. Simulated density of larval suckers at larval catch sites in Upper Klamath Lake, Oregon, 2006–09.

Figure 8. Simulated density of larval suckers at larval catch sites in Agency Lake, Oregon, 2008–09.

Figure 9. Simulated density of larval suckers at site A, Williamson River Delta, Oregon.

Figure 10. Simulated density of larval suckers at site B, Williamson River Delta, Oregon.


Figure 11. Simulated density of larval suckers at site D, Williamson River Delta, Oregon.

Figure 12. Catch density of larval suckers at sites in the Williamson River Delta and at the mouth of the Williamson River, Oregon, 2006–09.


Figure 13. Catch density of larval suckers at sites in Upper Klamath Lake, Oregon, 2006–09. 


Figure 14. Catch density of larval suckers at sites in Agency Lake, Oregon, 2006–09. 


First posted April 2, 2012

For additional information contact:
Director, Oregon Water Science Center
U.S. Geological Survey
2130 SW 5th Avenue
Portland, Oregon 97201
http://or.water.usgs.gov

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