bladestrikephoto

Blade Strike


 

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As fish travel through a hydropower turbine they can be subject to blade strike, which results in direct injury or mortality to the fish from collision with a turbine blade. 

Currently, the effects of blade strike are known for the nine species listed in the table.

Species

 Data

Citation

American Eel

(Anguilla rostrata)

○●

Saylor et al. 2019

American Shad

(Alosa sapidissima)

Saylor et al. 2020

Blueback Herring

(Alosa aestivalis)

Saylor et al. 2020

Bluegill

(Lepomis macrochirus)

●●

Saylor et al. 2019

Brook Trout

(Salvelinus fontinalis)

Saylor et al. 2020

Gizzard Shad

(Dorosoma cepedianum)

●●

Bevelhimer et al. 2019, Saylor et al. 2020

Hybrid Striped Bass

(Morone saxatilis) x (M. chrysops)

●●

Bevelhimer et al. 2019

Paddlefish

(Polyodon spathula)

Article in progress (data available in BioPA/HBET)

Rainbow Trout

(Oncorhynchus mykiss)

○○●●

EPRI 2011; Bevelhimer et al. 2019Saylor et al. 2020

●●● = Complete understand of major factors influencing dose-response

●● = Good understanding of major factors influencing dose-response

● = Partial understanding major factors influencing dose-response

Black= Non HydroPASSAGE project

Blue = HydroPASSAGE project

● = Biological response equation developed

○ = Biological response equation generated