2010
DOI: 10.1242/jeb.028472
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Life in acid: interactive effects of pH and natural organic acids on growth, development and locomotor performance of larval striped marsh frogs (Limnodynastes peronii)

Abstract: SUMMARY The low pH of naturally acidic aquatic environments is the result of soft-water with low buffering capacity and high concentrations of natural organic acids. Our current understanding of the influence of pH on aquatic organisms is largely limited to laboratory studies conducted under controlled conditions with little incorporation of these organic acids. Recent studies suggest natural organic acids may influence the physiology of aquatic species independent of low pH. We examined the eff… Show more

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Cited by 33 publications
(25 citation statements)
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“…; Gehrke et al. ; Barth and Wilson ). It is important to note that we did not manipulate oxygen concentrations, which stayed above hypoxic levels.…”
Section: Discussionmentioning
confidence: 99%
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“…; Gehrke et al. ; Barth and Wilson ). It is important to note that we did not manipulate oxygen concentrations, which stayed above hypoxic levels.…”
Section: Discussionmentioning
confidence: 99%
“…Finally, It could be that our experimental design did not adequately assess the impacts of multiple stressors (Darling and Cote ) that can co‐occur in the environment with elevated leachate concentrations, such as hypoxia (Gehrke et al. ; McMaster and Bond ) or lowered pH (Barth and Wilson ). However, the reproductive timing of pygmy perch means that larvae and juveniles are likely to be exposed to elevated leachate concentrations independent of hypoxic (Whitworth et al.…”
Section: Discussionmentioning
confidence: 99%
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“…For example, DOM molecules have been shown to accumulate on biological membranes and affect their permeability (Campbell et al, 1997;Vigneault et al, 2000), as well as alter the transepithelial potential across fish gills (Galvez et al, 2009). In the presence of DOM, aquatic organisms have been observed to survive and grow better, particularly in acidic water with low ionic content (Hargeby and Petersen, 1988;Barth and Wilson, 2010). DOM molecules also protect against ionoregulatory disturbance when organisms are exposed to acidic water or metals Matsuo et al, 2004).…”
Section: Introductionmentioning
confidence: 99%
“…Wetlands in coastal heath and wallum, widespread in this region, exhibit high concentrations of tannins and low pH, generally ranging from 3.5 to 4.1 (Barth and Wilson 2010). Early developmental stages of many amphibians are sensitive to acidity (Pierce 1985(Pierce , 1993Freda 1986).…”
Section: Introductionmentioning
confidence: 99%