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RATL: A Database of Reptile and Amphibian Toxicology Literature

RATL: A Database of Reptile and Amphibian Toxicology Literature

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Table 6 - pH Studies - 25<br />

Species<br />

Code b<br />

Lifestage Study<br />

Endpoint g<br />

pH Level(s)<br />

Temp h Additional<br />

Contam a<br />

Cont.<br />

Conc.<br />

Conc.<br />

e<br />

Units<br />

e<br />

LC50 LC100 e<br />

Effects eg<br />

Reference k<br />

RAES tadpoles POPSUR 4.0-5.0 No tadpoles found in pH < 5.0.<br />

Leuven et al. 1986 k<br />

RALE tadpoles MORT 6.4-8.1 TPT Higher growth rate, shorter larval period. Fioramonti et al. 1997<br />

RAMU adult POPSUR Acidification is not responsible for<br />

population decline, however, species has now<br />

disappeared from study area.<br />

Bradford et al. 1994<br />

RAMU embryo HATSUC 4-6 Al 75 Results not extracted from paper. Bradford et al. 1991<br />

RAMU embryo MORT 4.5-6.0 ambient UV-B 0-6403.3 J/m2day For most treatments (non sediment) R.<br />

outdoor<br />

mucosa had either 100% survivorship or<br />

only one death per dish with only the pH 4.5<br />

in combination with UV-B at 6403.3 J/m 2<br />

Long 1993<br />

day (16% ozone reduction) differing where<br />

there was 50% survivorship (3 deaths).<br />

RAMU embryo MORT 4.0-6.0 15 Al 0 or mg/L 4.4 The estimated extreme pH for Sierra Nevada Bradford et al. 1992<br />

0.039-<br />

surface waters (5.0) did not cause a<br />

0.080<br />

significant reduction in survival for either<br />

life stage or species. Sublethal effects were<br />

evident as reduced body size in embryos at<br />

pH 5.0 <strong>and</strong> 5.25.<br />

RAMU tadpoles HATSUC 4-6 Al 75 Increases <strong>of</strong> Al resulted in reduced growth<br />

rates.<br />

Bradford et al. 1991<br />

RAMU tadpoles MORT 4.0-6.0 15 Al 0 or mg/L

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