Photo by J.d. Richey
To determine spatial and temporal distributions immigration period (spring) holding period (spring through fall) spawning period (fall) Photo by J.d. Richey
Hook and Line Sampling Tagged 41 Adult Chinook Salmon 30 Spring-Run May 19, 2010 – June 11, Fall-Run August 23, 2010 – October 27, 2010
Floy Tagged Genetic Sample (Caudal Fin Clip) -Vemco V13 transmitters via esophageal/gastric insertion Random repeat intervals of sec Photo by J.d. Richey Fork & Total Length Photo by J.d. Richey Body Depth & Head Length Photo by J.d. Richey
Tracking Passive Tracking VEMCO VR2W Monitoring Receivers 23 VR2Ws from the Yuba River/Feather River Confluence to Englebright Dam 23 VR2Ws from the Yuba River/Feather River Confluence to Englebright Dam Downloaded and maintained by Jonathan Nelson, Russ Bellmer and The Heritage & Wild Trout Program Downloaded and maintained by Jonathan Nelson, Russ Bellmer and The Heritage & Wild Trout Program Photo by Jonathan Nelson
Active Tracking VEMCO VR100 mobile tracking receivers w/ VH100 directional hydrophones By Jet Boat Weekly June 1, 2010 to December 2, 2010 By Pontoon Boat
Marysville Reach RM Hallwood Reach RM 3.1 – 8.0 Daguerre Point Dam Reach RM 8.0 – 11.0 Dry Creek Reach RM 11.0 – 13.3 Parks Bar Reach RM 13.3 – 17.6 Timbuctoo Bend Reach RM 17.6 – 21.1 Narrows Reach RM 21.1 – 22.3 Englebright Dam Reach RM 22.3 – 23.1
Spring-Run Chinook Salmon Detected Detected above DPD Detected in the Englebright Reach Did not move downstream before passing DPD Moved downstream before passing DPD Detected in the Feather River Upstream most detection in the Narrows Reach Recovered at River Mile Spring-Run Chinook Salmon Tracked In The Lower Yuba River 1
Spring-Run Chinook Salmon detected Not detected above DPD Only detected in the DPD plunge pool and at 05 Moved downstream from tagging location Last detected in the Feather River Spring-Run Chinook Salmon Tracked In The Lower Yuba River
Fall-Run Chinook Salmon detected Detected above DPD Detected in the Englebright Reach Upstream most detection in the Narrows Reach Moved downstream before passing DPD Fall-Run Chinook Salmon Tracked In The Lower Yuba River
11 Fall-Run Chinook Salmon detected Not detected above DPD Only Detected at tagging location (RM 7.5) Moved upstream from tagging location Moved downstream from tagging location Last detected in the Feather River Fall-Run Chinook Salmon Tracked In The Lower Yuba River
Spring-Run
Fall-Run
Number of Days Spent In The DPD Plunge Pool (Spring-Run)
Number of Days Spent In The DPD Plunge Pool (Fall-Run)
2010 Spring-Run Fall-Run 2009 Spring-Run %24% % 55%45% 44%
Photo by J.d. Richey 18 Spring-Run 7 Fall-Run Ladder Use North vs. South Spring-Run11 North Ladder South Ladder Unknown 61 Fall-Run Spring-Run 2301 South North
Above the Hwy 20 Bridge Below the Hwy 20 Bridge
Recovered Acoustic Tags Recovered on the Feather River – 1 in river and 1 at the hatchery Index Area Redd Survey Site Hammon Grove
Narrows Reach Englebright Dam Reach Narrows Reach Englebright Dam Reach Spring-Run Spring-Run 1715 # of days detected Avg. Min Max # of days detected Avg. Min Max # of days detected Avg. Min Max # of days detected Avg. Min Max Fall-Run
Temporal and Spatial Distribution of Spring-Run Chinook Salmon
Temporal and Spatial Distribution of Fall-Run Chinook Salmon
Simpson Lane Bridge Daguerre Point Dam Englebright Dam Hwy 20 Bridge Narrows Pool Timbuctoo Bend Lower Yuba River Movement of Adult Spring-Run and Fall-Run Chinook Salmon Week 1 5/16/2010 – 5/22/2010 Week 2 5/23/2010 – 5/29/2010 Week 3 5/30/2010 – 6/5/ Week 4 6/6/2010 – 6/12/2010 Week 5 6/13/2010 – 6/19/ Week 6 6/20/2010 – 6/26/ Week 7 6/27/2010 – 7/3/2010 Week 8 7/4/2010 – 7/10/ Week 9 7/11/2010 – 7/17/ Week 10 7/18/2010 – 7/24/2010 Week 11 7/25/2010 – 7/31/ Week 12 8/1/2010 – 8/7/2010 Week 13 8/8/2010 – 8/14/ Week 14 8/15/2010 – 8/21/2010 Week 15 8/22/2010 – 8/28/ Week 16 8/29/2010 – 9/4/ Week 17 9/5/2010 – 9/11/ Week 18 9/12/2010 – 9/18/ Week 19 9/19/2010 – 9/25/ Week 20 9/26/2010 – 10/2/ Week 21 10/3/2010 – 10/9/ Week 22 10/10/2010 – 10/16/2010 Week 23 10/17/2010 – 10/23/ Week 24 10/24/2010 – 10/30/ Week 25 10/31/2010 – 11/6/ Week 26 11/7/2010 – 11/13/2010 Week 27 11/14/2010 – 11/20/2010 Week 28 11/21/2010 – 11/27/2010 Week 29 11/28/2010 – 12/4/2010
Jen Bergman, Casey Campos, Derek Givens, Ryan Greathouse, Naoaki Ikemiyagi, Duane Massa, Bryan Nelson, Ann Sugiura & Kyle Thompson Jen Bergman, Casey Campos, Derek Givens, Ryan Greathouse, Naoaki Ikemiyagi, Duane Massa, Bryan Nelson, Ann Sugiura & Kyle Thompson (PSMFC Yuba River Crew) Russ Bellmer, Roger Bloom, Brian Hennes, Jonathan Nelson, Russ Bellmer, Roger Bloom, Brian Hennes, Jonathan Nelson, and The Heritage & Wild Trout Program River Management Team River Management Team Land Owners (UC Davis Extension, Cordua Irrigation District, PG&E, Yuba Recreation Inc.) Land Owners (UC Davis Extension, Cordua Irrigation District, PG&E, Yuba Recreation Inc.) Acknowledgments
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