Update on the Rocky Reach White Sturgeon Management Plan and Monitoring and Evaluation Program Lance Keller Keith Truscott April 4, 2016
Overview • What have we accomplished? • What questions remain? • What is our proposal? 2
Goals of the WSMP • Increase sturgeon population • Determine effectiveness of program • Determine carrying capacity • Determine natural reproduction potential 3
Reach carrying capacity 40 35 30 Population 25 20 Natural fluctuations: harvest & production 15 Supplementation and 10 initial increase 5 0 2.5 12.5 22.5 32.5 42.5 52.5 Year 4
What have we accomplished? • Contract with Blue Leaf – 2013-2016 • Adult Abundance Model for Rocky Reach – 2,250 juveniles stocked annually 2016-2020 5
What questions remain? • Inputs to adult abundance model • Integration with HCP Plan Species and PLMP • Future juvenile stocking levels 6
What is our proposal? • Data specific to Rocky Reach population – Density – Habitat Usage – Seasonal Diet Composition – Emigration/Immigration • Contract with Blue Leaf Environmental, Inc. – Continue robust data collection – Demonstrated success – Competitive rates • $1.7M; 2016-2021 7
Questions or Comments? 8
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