Fish Ecology


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Understanding linkages between fish and their environment

Our restoration and conservation success depends on a true understanding of the factors that sustain healthy trout and salmon or, alternatively, threaten their future.  We work with various partners on research advancing the science of fish ecology.  We develop and apply sophisticated models and use cutting-edge fisheries techniques in field studies to answer questions about the natural world of trout and salmon to help us and our partners do better conservation.


The Salmonid Population Viability Project

“Population Viability Analysis” (PVA) is the gold standard for understanding extinction risk, providing a modeling framework where information about the behavior of populations in the past can help predict their behavior in the future. TU is developing cutting-edge approaches to PVA for better trout conservation.


A radio-tagged native cutthroat trout, ready to be on the move. Photo credit: Lucy Diggins, Wyoming Game and Fish Dept

Fish Movement

Tracking fish movement across different habitats, or in relation to restoration projects, helps us understand what fish need to thrive and whether or not our restoration work is effective.


Fish Habitat Linkages

Understanding what habitat components provide for healthy fish communities and aquatic ecosystems is essential for effective trout and salmon conservation. Our research helps identify these essential components, which can help TU and our partners make better decisions about how to protect habitat and sustain trout and salmon in the future.

Get your TU Packable Jacket.
2019 Fall Appeal

Get your TU Packable Jacket. Donate today and know that you’re helping to protect the magnificent places you love to fish.

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