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" Framework for Assessing Viability of Threatened and Endangered Chinook Salmon and Steelhead in the Sacramento–San Joaquin Basin "
Lindley, Steven T.; Schick, Robert S.; Mora, Ethan; Adams, Peter B.; Anderson, James J.; Greene, Sheila; Hanson, Charles; May, Bernie P.; McEwan, Dennis; MacFarlane, R. Bruce; <a href="" class="c-authorlist__list-more-link">et al.</a>
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AL
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| Record Number
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926504
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LA3653x9xc
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| Language of Document
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English
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| Main Entry
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Lindley, Steven T.; Schick, Robert S.; Mora, Ethan; Adams, Peter B.; Anderson, James J.; Greene, Sheila; Hanson, Charles; May, Bernie P.; McEwan, Dennis; MacFarlane, R. Bruce; lt;a href="" class="c-authorlist__list-more-link"gt;et al.lt;/agt;
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| Title & Author
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Framework for Assessing Viability of Threatened and Endangered Chinook Salmon and Steelhead in the Sacramento–San Joaquin Basin [Article]\ Lindley, Steven T.; Schick, Robert S.; Mora, Ethan; Adams, Peter B.; Anderson, James J.; Greene, Sheila; Hanson, Charles; May, Bernie P.; McEwan, Dennis; MacFarlane, R. Bruce; a hrefet al./a
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| Title of Periodical
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San Francisco Estuary and Watershed Science
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5/1
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2007
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| Abstract
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Protected evolutionarily significant units (ESUs) of salmonids require objective and measurable criteria for guiding their recovery. In this report, we develop a method for assessing population viability and two ways to integrate these population-level assessments into an assessment of ESU viability. Population viability is assessed with quantitative extinction models or criteria relating to population size, population growth rate, the occurrence of catastrophic declines, and the degree of hatchery influence. ESU viability is assessed by examining the number and distribution of viable populations across the landscape and their proximity to sources of catastrophic disturbance.
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