Predation on Salmon and Steelhead Below Bonneville Dam (Jan-May)

Year Salmon/ Steelhead Runs* California Sea Lions Counted CaliforniaSea Lion Predation Steller Sea Lions Counted Steller Sea Lion Consumption Consumption By All Sea Lions

Percent of Salmon/ Steelhead Run

2002

284,732 30 1,010 0 0 1,0 10 0.4%

2003

217,934 104 2,329 3 0 2,329 1.1%

2004

186,771 99 3,516 3 7 3,533 1.9%

2005

81,252 81 2,904 4 16 2,920 3.4%

2006

105,063 72 3,312 11 85 3,401 3.1%

2007

88,474 71 4,340 9 15 4,355 4.7%

2008

147,558 82 4,735 39 192 4,927 3.2%

2009

186,056 54 4,353 26 607 4,960 2.7%

2010

267,167 89 5,296 75 1,025 6,321 2.4%

2011

223,380 54 2,689 89 1,282 3,970 1.8%

2012

171,665 39 1,067 73 1,293 2,360 1.4%

2013

120,619 56 1,497 80 1,431 2,928 2.4%

2014

219,929 71 2,747 65 1,874 4,621 2.1%

2015

239,326 195 8,324 69 2,535 10,859 4.3%

2016

154,074 149 6,676 54 2,849 9,525 5.8%

2017

109,040 92 2,142 63 3,242 5,384 4.7%
2018 100,887 67 746 66 2,368 3,112 3.0%