Responses of brook trout (Salvelinus fontinalis) fry to fluctuating acid, aluminum, and low calcium exposure

D. R. Mount; M. J. Swanson; J. E. Breck; A. M. Farag; H. L. Bergman

doi:10.1139/f90-184

Responses of brook trout (Salvelinus fontinalis) fry to fluctuating acid, aluminum, and low calcium exposure

D. R. Mount, M. J. Swanson, J. E. Breck, A. M. Farag, H. L. Bergman

Natural Resources Research Institute

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18 Scopus citations

Abstract

Brook trout fry were exposed for 30d to temporal combinations of 2 water qualities: 1) pH 5.21, 51 μg/L total Al with 2.39 mg/L Ca (baseline); and 2) pH 4.59, 329 μg/L total Al, with 1.56 mg/L Ca (pulse). Although continuous exposure to the latter conditions caused nearly complete mortality, exposures alternating between the 2 conditions caused much less mortality. Fish experiencing 18 d of baseline conditions before their first pulse exposure had mortality rates equal to fish never experiencing a pulse, indicating acclimation to acid/Al/low Ca stress. -from Authors

Original language	English (US)
Pages (from-to)	1623-1630
Number of pages	8
Journal	Canadian Journal of Fisheries and Aquatic Sciences
Volume	47
Issue number	8
DOIs	https://doi.org/10.1139/f90-184
State	Published - 1990

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abstract = "Brook trout fry were exposed for 30d to temporal combinations of 2 water qualities: 1) pH 5.21, 51 μg/L total Al with 2.39 mg/L Ca (baseline); and 2) pH 4.59, 329 μg/L total Al, with 1.56 mg/L Ca (pulse). Although continuous exposure to the latter conditions caused nearly complete mortality, exposures alternating between the 2 conditions caused much less mortality. Fish experiencing 18 d of baseline conditions before their first pulse exposure had mortality rates equal to fish never experiencing a pulse, indicating acclimation to acid/Al/low Ca stress. -from Authors",

author = "Mount, {D. R.} and Swanson, {M. J.} and Breck, {J. E.} and Farag, {A. M.} and Bergman, {H. L.}",

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AU - Mount, D. R.

AU - Swanson, M. J.

AU - Breck, J. E.

AU - Farag, A. M.

AU - Bergman, H. L.

PY - 1990

Y1 - 1990

N2 - Brook trout fry were exposed for 30d to temporal combinations of 2 water qualities: 1) pH 5.21, 51 μg/L total Al with 2.39 mg/L Ca (baseline); and 2) pH 4.59, 329 μg/L total Al, with 1.56 mg/L Ca (pulse). Although continuous exposure to the latter conditions caused nearly complete mortality, exposures alternating between the 2 conditions caused much less mortality. Fish experiencing 18 d of baseline conditions before their first pulse exposure had mortality rates equal to fish never experiencing a pulse, indicating acclimation to acid/Al/low Ca stress. -from Authors

AB - Brook trout fry were exposed for 30d to temporal combinations of 2 water qualities: 1) pH 5.21, 51 μg/L total Al with 2.39 mg/L Ca (baseline); and 2) pH 4.59, 329 μg/L total Al, with 1.56 mg/L Ca (pulse). Although continuous exposure to the latter conditions caused nearly complete mortality, exposures alternating between the 2 conditions caused much less mortality. Fish experiencing 18 d of baseline conditions before their first pulse exposure had mortality rates equal to fish never experiencing a pulse, indicating acclimation to acid/Al/low Ca stress. -from Authors

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Responses of brook trout (Salvelinus fontinalis) fry to fluctuating acid, aluminum, and low calcium exposure

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