D
D. G. McDonald
Researcher at University of Calgary
Publications - 17
Citations - 1650
D. G. McDonald is an academic researcher from University of Calgary. The author has contributed to research in topics: Trout & Salvelinus. The author has an hindex of 16, co-authored 17 publications receiving 1619 citations.
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Global Warming: Implications for Freshwater and Marine Fish
Chris M. Wood,D. G. McDonald +1 more
TL;DR: The effect of temperature on protein metabolism in fish: the possible consequences for wild Atlantic salmon stocks in Europe as a result of global warming and the effects of climate change on cod stocks are discussed.
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Effects of Aluminum and Low pH on Net Ion Fluxes and Ion Balance in the Brook Trout (Salvelinus fontinalis)
TL;DR: Adult brook trout (Salvelinus fontinalis) were exposed for up to 11 d to one of a matrix of 18 Al, low pH, and Ca2+ combinations, chosen as representive of acidified softwater environments in the wild, and losses arose from inhibition of influx and stimulation of efflux.
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An analysis of changes in blood pH following exhausting activity in the starry flounder, Platichthys stellatus.
TL;DR: Evidence is presented that a metabolic acid other than lactic also makes a modest contribution to the pH depression during the recovery period.
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Nature and time course of acclimation to aluminum in juvenile brook trout (Salvelinus fontinalis). II : Gill histology
TL;DR: Gill samples from juvenile brook trout acclimated to low-level aluminum at pH 5.2 showed severe damage by day 4, with necrosis and fusion of secondary lamellae and hyperplasia and hypertrophy of mucous cells, but over the following 20 d there was a continual process of repair with proliferation and hyperTrophy of membranes.
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Ventilation, Oxygen Uptake and Haemolymph Oxygen Transport, Following Enforced Exhausting Activity in the Dungeness Crab Cancer Magister
TL;DR: Olympic exercise increased oxygen uptake 4-fold, oxygen supply fell below demand during exercise, and considerable anaerobic metabolism resulted, as evidenced by a 9-fold increase in haemolymph lactate concentration.