1988
DOI: 10.1111/j.1600-0587.1988.tb00790.x
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Effects of pH and aluminium on embryonic and early larval stages of Swedish brown frogs Rana arvalis, R. temporaria and R. dalmatina

Abstract: The effects of pH and aluminium on embryonic and early larval stages of Swedish brown frogs Rana arvalis, R. temporaria and R. dalmatina were tested in laboratory bioassays. In all three species egg mortality and time needed for embryonic development to hatching increased when pH declined, but no significant effects were found on embryonic development when aluminium level was elevated. In R. arvalis and R. temporaria larval mortality was affected by both pH and aluminium. In both species the frequency of occur… Show more

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Cited by 29 publications
(31 citation statements)
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References 28 publications
(15 reference statements)
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“…and the common reed (Phragmites australis), which were frequent in the ponds of this study. This practice contributes to nutrient retention because plant material is continuously harvested and removed, lowering eutrophication, which is considered to be one of the major impairments of small standing water bodies (Bro¨nmark and Hansson 2002), with associated negative effects on amphibians (Andre´n et al 1988, Berger 1989, Oldham et al 1997, Camargo et al 2005. Invertebrate communities are strongly influenced by nitrate levels in ponds (Briers and Biggs 2005), with increased eutrophication leading to a reduction in the number of odonates (Lenz 1991).…”
Section: Golf Course Pond Managementmentioning
confidence: 99%
“…and the common reed (Phragmites australis), which were frequent in the ponds of this study. This practice contributes to nutrient retention because plant material is continuously harvested and removed, lowering eutrophication, which is considered to be one of the major impairments of small standing water bodies (Bro¨nmark and Hansson 2002), with associated negative effects on amphibians (Andre´n et al 1988, Berger 1989, Oldham et al 1997, Camargo et al 2005. Invertebrate communities are strongly influenced by nitrate levels in ponds (Briers and Biggs 2005), with increased eutrophication leading to a reduction in the number of odonates (Lenz 1991).…”
Section: Golf Course Pond Managementmentioning
confidence: 99%
“…Although common frogs seem to avoid low pH habitats, they do occur in ponds subject to natural or anthropogenic acidification (eg, Aston et al, 1987;Räsänen et al, 2002), and populations in northern Scandinavia are subject to 'acid pulses' (Reader and Dempsey, 1989;AMAP, 1998) caused by snow-melt water reaching their breeding ponds. Low pH is known to lead to reduced survival, increased frequency of developmental anomalies, delayed development and decreased growth rate in common frog tadpoles (eg Cummins, 1986;Andrén et al, 1988;Tyler-Jones et al, 1989;Räsänen et al, 2002).…”
Section: Study Species and Crossesmentioning
confidence: 99%
“…The pH treatments were selected based on earlier experience and information from the literature to represent stressful (pH 4.6) and nonstressful (pH 7.6) environmental conditions (Andrén et al, 1988;Räsänen et al, 2002). The water for the low pH treatment was prepared in 200 l tuns by adding 0.1-1 M H 2 SO 4 (adjusting with 0.1-1 M NaOH) to RSW and stabilized and aerated for at least 48 h before use.…”
Section: Rearing Of the Eggsmentioning
confidence: 99%
“…The TOP curves provide this information and, within a systemic toxicity approach, also point out in the case of Ni the proximity of the LC and LC values, particularly from 96 h on (LC }LC " 2.90 mg Ni>/L), re#ecting also by this means the high toxicity of this metal. As stewardship of environmental resources has improved, the focus has shifted from gross ?Observe the overlapping of the intervals of con"dence (IC) of the LC and LC for most of the exposure periods.toxicity e!ects to the possible consequences of more subtle negative e!ects (Lloyd, 1979;Driscoll et al, 1980;Andren et al, 1988;Herkovits et al, 1993b;Cairns and Niederlehner, 1995). Based on present results it seems meaningful to take into account TOP curves, e.g., from 24 h to 96 h of exposure for acute toxicity studies and 7 days of exposure for shortterm chronic data for hazard/toxicity assessment purposes.…”
mentioning
confidence: 99%