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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 - 13<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 />

BUBU not<br />

specified<br />

POPSUR 4.0-8.0 Survey <strong>of</strong> amphibian breeding sites.<br />

Beebee 1983 k<br />

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

Leuven et al. 1986 k<br />

BUBU tadpoles MORT<br />

(30-35 mm)<br />

2.0-4.2 18 Survival time 55 min at pH 2.0; no apparent<br />

effects in 3 d at pH 4.2.<br />

Jones 1939 k<br />

BUCA adult POPSUR 3.8-6.5 Bred only in eutrophic ponds (pH 5.0 - 6.5),<br />

k<br />

Beebee 1987<br />

as did 4 other unidentified amphibian species.<br />

BUCA adult POPSUR 4.0-5.0 No animals present in pH 4.0 waters <strong>and</strong><br />

only 13.3 % <strong>of</strong> systems at pH 5.0 contained<br />

BCAL.<br />

Leuven et al. 1986 k<br />

BUCA egg POPSUR 4.0-5.0 In acidic waters, egg masses became heavily<br />

infested with fungi.<br />

Leuven et al. 1986 k<br />

BUCA egg MORT 3.5-7.0 4.0 Spawn more vulnerable than tadpoles to low<br />

pH; 100 % mortality below pH 4.0 critical<br />

range between 4.0 - 4.5; more than 24 h for<br />

mortality to occur at pH 3.5; healthy spawn<br />

is less vulnerable to acid damage than spawn<br />

containing large numbers <strong>of</strong> dead eggs.<br />

Beebee 1986<br />

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

BUCA embryo DEVOBS

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