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Evidence for skipped spawning in a potamodromous cyprinid, humpback chub (<i>Gila cypha</i>), with implications for demographic parameter estimates

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Kristen Nicole Pearson, William L. Kendall, Dana L. Winkelman, and William R. Persons, 2015, Evidence for skipped spawning in a potamodromous cyprinid, humpback chub (<i>Gila cypha</i>), with implications for demographic parameter estimates: Fisheries Research, v. 170.

Summary

Our findings reveal evidence for skipped spawning in a potamodromous cyprinid, humpback chub (HBC; Gila cypha ). Using closed robust design mark-recapture models, we found, on average, spawning HBC transition to the skipped spawning state () with a probability of 0.45 (95% CRI (i.e. credible interval): 0.10, 0.80) and skipped spawners remain in the skipped spawning state () with a probability of 0.60 (95% CRI: 0.26, 0.83), yielding an average spawning cycle of every 2.12 years, conditional on survival. As a result, migratory skipped spawners are unavailable for detection during annual sampling events. If availability is unaccounted for, survival and detection probability estimates will be biased. Therefore, we estimated annual adult [...]

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Type Scheme Key
local-index unknown 70173642
local-pk unknown 70173642
doi http://www.loc.gov/standards/mods/mods-outline-3-5.html#identifier doi:10.1016/j.fishres.2015.05.015
series unknown Fisheries Research

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citationTypeArticle
journalFisheries Research
languageEnglish
parts
typevolume
value170

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