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dc.contributorMary Mendonca, mendomt@auburn.eduen_US
dc.creatorEarley, Laurie A.
dc.creatorSammons, Steven M.
dc.creatorMendonca, Mary T.
dc.creatorJohnston, Carol J.
dc.date.accessioned2019-08-06T12:33:51Z
dc.date.available2019-08-06T12:33:51Z
dc.date.created2019
dc.identifier10.1111/jai.13906en_US
dc.identifier.urihttps://onlinelibrary.wiley.com/doi/10.1111/jai.13906en_US
dc.identifier.urihttp://hdl.handle.net/11200/49443
dc.description.abstractThere are numerous studies on the effects of dams on aquatic biota, yet relatively little is known about whether hydropeaking activities cause physiological change in fish. Using Alabama bass (Micropterus henshalli) as a model, we evaluated whether hydropeaking in a regulated river altered glucocorticoid stress responsiveness relative to fish from an unregulated tributary. Blood samples were collected at the time of capture (baseline) and then collected again after a 1-hr period of confinement (response). Leukocyte profiles (blood smears) were created and plasma was extracted to assess plasma cortisol levels and neutrophils and lymphocyte (N:L) ratios, between sites and times to evaluate differences between sites and the two sampling periods. Baseline cortisol levels were higher in fish collected from the regulated river compared to those from unregulated site, but response levels of cortisol were similar between sites. Baseline and response level N:L ratios did not differ between sites. High baseline levels of cortisol suggested that fish exposed to regulated flows expressed an altered stress response and were likely in an allostatic state, i.e., attempting to acclimate. Further research is needed to understand how altered stress responses due to hydropeaking flows may be affecting fish.en_US
dc.formatPDFen_US
dc.relation.ispartofJournal of Applied Ichthyologyen_US
dc.relation.ispartofseries0175-8659en_US
dc.rightsContent is produced by a United States government employee and in the public domain.en_US
dc.subjectcentrarchidsen_US
dc.subjectcortisolen_US
dc.subjecthydropeakingen_US
dc.subjectLeukocyte profilesen_US
dc.subjectstress responseen_US
dc.subjectAlabama bassen_US
dc.subjectMicropterus henshallien_US
dc.titlePhysiological consequences of an altered flow regime on Alabama bass (Micropterus henshalli)en_US
dc.typeCollectionen_US
dc.type.genreJournal Article, Academic Journalen_US
dc.citation.volume35en_US
dc.citation.issue4en_US
dc.citation.spage917en_US
dc.citation.epage923en_US
dc.description.peerreviewYesen_US
dc.creator.orcid0000-0003-0916-9024en_US


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