The Biology of Culvert Barriers: Effects of Long-Term Isolation on Stream-Resident Salmonids

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Presenter: Kim Hastings
Length: 2 parts, 15 min and 4 s

View: Part 1 | Part 2

       Topics:

       Part 1

• Introduction
• Southeast Alaska Location
• Target Species
• Stream Size Image
• Waterfall Image
• Mechanism of Isolation
• Southeast Alaska Today
• Methods
• Demographic Objectives
• 3 Streams
• How Well can Persistence be Predicted
• Made up Frequency Distribution
• Logistic Regression

       Part 2

• Effect of Length of Time on Isolation
• Does Presence of Another Species Affect the odds of Persistence
• Logistic Regression
• Species Density
• Demographic Objectives Recap
• White Spotted Char in Japan
• Space and Time Effects of Damming on Charr
• Translocated Cutthroat Populations
• Inland Cutthroat Trout
• Genetic Objectives
• 8 Streams - Heterozygosity
• Correlation Between Varation Lost and Pop Size
• Mean Heterozygosity
• Conclusions

These presentations were produced by Michael J. Furniss and Jeff Guntle, of the US Forest Service, PNW and PSW Research Stations.
US Forest Service, Pacific Northwest Research Station, Pacific Southwest Research Station, Stream Systems Technology Center