Movement Patterns of Stream-Resident Cutthroat Trout in Beaver Creek, Idaho–Utah
- 1 September 2000
- journal article
- Published by Oxford University Press (OUP) in Transactions of the American Fisheries Society
- Vol. 129 (5) , 1160-1170
- https://doi.org/10.1577/1548-8659(2000)129<1160:mposrc>2.0.co;2
Abstract
We used mark–recapture, radiotelemetry, and two-way traps to determine daily, seasonal, and annual movements of cutthroat trout Oncorhynchus clarki in Beaver Creek, Idaho–Utah. We recaptured 26 of 167 (16%) passive integrated transponder (PIT)-tagged cutthroat trout; 16 of the fish were recaptured less than 300 m from the point of capture 1 year earlier, whereas 10 fish were recaptured a median of 1,407 m (range 331–3,292 m) from their captured point of the previous year. Radio-tagged individuals moved less frequently and shorter distances (median = 0 m) during autumn and winter, more frequently and farther during spring in association with spawning (median = 576 m), and variably and sporadically during summer (median = 55 m). We found substantial local movements during a diel period that would not have been found using a once weekly observation period. Frequency of cutthroat trout movement through two-way traps was greatest in July and early August and had stopped almost entirely by early Septem...Keywords
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