1 / 26

RTT Analysis Workshop Species Status and Trend (Chapter 1)

RTT Analysis Workshop Species Status and Trend (Chapter 1). Casey Baldwin RTT Chairperson WDFW Research Scientist. Session 1. Species status and trend How are the fish doing with respect to the VSP parameters?. VSP = Viable Salmonid Population Abundance Productivity Spatial structure

leonjackson
Download Presentation

RTT Analysis Workshop Species Status and Trend (Chapter 1)

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. RTT Analysis WorkshopSpecies Status and Trend(Chapter 1) Casey Baldwin RTT Chairperson WDFW Research Scientist

  2. Session 1. Species status and trendHow are the fish doing with respect to the VSP parameters? • VSP = Viable Salmonid Population • Abundance • Productivity • Spatial structure • Diversity

  3. Key Management Questions: • Is the status of the population/ESU/DPS improving? • Is the abundance of naturally produced adult fish trending to the recovery criteria for each population? • Is the population productivity of naturally produced fish trending to the recovery criteria for each population? • Is the spatial structure of the populations trending to the recovery criteria for each population? • Is the phenotypic and genotypic diversity of the population trending to the recovery criteria for each population? • Is juvenile productivity of naturally produced fish increasing within each population?

  4. Presentations / papers • Cooney et al. update to status assessments since the Recovery Plan. • Weigel et al.- genetic variation of O. mykiss for a portion of the Methow Population • RTT- after the workshop- Juvenile productivity (smolt trap summaries)

  5. Species status and trend UC Spring Chinook = high risk UC Steelhead = high risk

  6. Species status and trend

  7. Species status and trend

  8. UC Spring Chinook:Updated AP Status Metrics

  9. Wenatchee River Spring ChinookViability Curve

  10. Species status and trend Wenatchee Methow Okanogan Entiat

  11. Spatial Structure Spring Chinook = Low Risk for all populations Steelhead = Low Risk for all populations, except Okanogan • Recent restoration efforts in Salmon Creek and Omak Creek are likely to reduce the risk level in future status updates.

  12. Homogenization Diversity Update Genetic Homogenization Upper Columbia Chinook Snake River Chinook

  13. Spawner Composition Trends pHOS = % hatchery spawners. high = bad

  14. Diversity Management Action: ENFH stopped releasing out-of-ESU origin hatchery spring Chinook (2007).

  15. Species status and trend Steelhead Entiat Methow Wenatchee Okanogan Spring Chinook Entiat Methow Wenatchee

  16. Key Management Questions: • Is the status of the population/ESU/DPS improving? Summary: Current trends in the data have little adaptive management significance given that populations are still so far from recovery levels and that they are based on such a short time series.

  17. Adaptive Management RecommendationsVSP parameters Change will be slow, more actions are needed Need to define a “trend”

  18. Key Management Questions: • Is the status of the population/ESU/DPS improving? • Is the abundance of naturally produced adult fish trending to the recovery criteria for each population? • Is the population productivity of naturally produced fish trending to the recovery criteria for each population? • Is the spatial structure of the populations trending to the recovery criteria for each population? • Is the phenotypic and genotypic diversity of the population trending to the recovery criteria for each population?

  19. Adaptive Management RecommendationsVSP parameters Change will be slow, more actions are needed Need to define a “trend”

  20. Adaptive Management RecommendationsVSP parameters Change will be slow, more actions are needed Need to define a “trend” Need to incorporate Canadian Okanogan

  21. Key Management Questions: • Is the status of the population/ESU/DPS improving? • Is the abundance of naturally produced adult fish trending to the recovery criteria for each population? • Is the population productivity of naturally produced fish trending to the recovery criteria for each population? • Is the spatial structure of the populations trending to the recovery criteria for each population? • Is the phenotypic and genotypic diversity of the population trending to the recovery criteria for each population? • Is juvenile productivity of naturally produced fish increasing within each population?

  22. Juvenile Productivity • Summary table (smolt trap summary) • Snapshot of some data (smolts/redd) • Discuss the future

  23. Juvenile Productivity

  24. Juvenile ProductivitySummary Table

  25. Adaptive Management RecommendationsJuvenile Productivity Change will be slow, more actions are needed Need to define a “trend” Evaluate statistics (variance, autocorrelation, duration) within and between trapping locations.

  26. Questions?

More Related