Results 91 to 100 of about 2,111 (225)

Take my breath away: Defining the oxygen saturation threshold for fish cortisol stress response

Journal of Fish Biology, EarlyView.
Abstract Human activities are affecting the number, size and severity of hypoxic zones in aquatic ecosystems. As oxygen is one of the most important abiotic factors affecting fish biology, exposure to low levels of dissolved oxygen may lead to a reduction in fitness.
Sébastien Alfonso, Benjamin Geffroy, Pierluigi Carbonara, Lola Toomey, Eduardo Bessa   +4 more
wiley   +1 more source

Environmental DNA surveys can determine in-stream dominance of non-native brook charr Salvelinus fontinalis over native brown trout Salmo trutta

Ecological Indicators
For effective management of established potentially invasive species it is important to find management target sites (e.g. for depletion or eradication measures). In Sweden, the brook charr is non-native and competes with the native brown trout.
Andreas Broman, William F. Englund, Niclas Gyllenstrand, Joacim Näslund   +3 more
doaj   +1 more source

Identifying thresholds in air exposure, water temperature and fish size that determine reflex impairment in brook trout exposed to catch-and-release angling. [PDF]

Conserv Physiol, 2022
Brownscombe JW, Ward TD, Nowell L, Lennox RJ, Chapman JM, Danylchuk AJ, Cooke SJ.   +6 more
europepmc   +1 more source

Impacts of predator odours and conspecific disturbance cues on minnow thermal tolerance

Journal of Fish Biology, EarlyView.
Abstract Warming waters can affect fish community dynamics, potentially exacerbating predator–prey asymmetries in behavioural and physiological metrics of thermal tolerance. Further, differing responses of prey fish species to concurrent predation risk and warming highlight the need to understand these impacts in various contexts, especially with at ...
V. Groves, M. Morissette, L. Nagpal, N. E. Mandrak, L. J. Chapman   +4 more
wiley   +1 more source

The environmental context of inducible HSP70 expression in Eastern Brook Trout. [PDF]

Conserv Physiol, 2021
Nguyen BV, O'Donnell B, Villamagna AM.
europepmc   +1 more source

Resource use by threatened, native Bull Trout (Salvelinus confluentus) in the presence of two non‐native salmonids

Journal of Fish Biology, EarlyView.
Abstract Introduction of non‐native species contributes to the global decline of freshwater fishes by disrupting the diet and resources of native species through competition. Despite the potential for non‐native trout (Family: Salmonidae) to compete with native trout, non‐native trout species have been widely introduced worldwide to support ...
Jacqueline Pallard, Tim Jardine, Mark S. Poesch   +2 more
wiley   +1 more source

Evidence for the Use of Mucus Swabs to Detect Renibacterium salmoninarum in Brook Trout. [PDF]

Pathogens, 2021
Riepe TB, Vincent V, Milano V, Fetherman ER, Winkelman DL.   +4 more
europepmc   +1 more source

Thermal tolerance and acclimation limits in bull trout (Salvelinus confluentus) alevin

Journal of Fish Biology, EarlyView.
Abstract The critical thermal maximum (CTmax) of bull trout (Salvelinus confluentus) alevin was measured after 3 weeks of acclimation to 4–21°C. CTmax increased from 24.3 at 4°C to 26.7 at 9°C, plateaued between 9 and 12°C (26.9°C), and declined to 25.9°C at 15°C.
Brendan Maldonado, Travis Durhack, Andrew Chapelsky, Sarah E. Glowa, Analisa Lazaro‐Côté, Raven M. Bennett, Timothy Bartley, Neil J. Mochnacz   +7 more
wiley   +1 more source

Population niche width is driven by within-individual niche expansion and individual specialization in introduced brook trout in mountain lakes. [PDF]

Oecologia, 2022
Baker HK, Bruggeman CEF, Shurin JB.
europepmc   +1 more source

Water temperature and river discharge drive age‐dependent changes in brown trout (Salmo trutta) growth

Journal of Fish Biology, EarlyView.
Abstract Rivers and streams exhibit inherent variability in environmental conditions, particularly in water temperature and stream discharge. These factors can impact fish growth through both direct (i.e., physiological) and indirect (i.e., ecosystem productivity) mechanisms.
Patricia Y. Koh, Jarod P. Lyon, Matt West, John R. Morrongiello   +3 more
wiley   +1 more source