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- W2224917080 abstract "The objective of this study was to determine the phototoxic effects of fluoranthene on bullfrog larvae by examining the relationship between median time to death and fluoranthene concentration and by examining the effects of short-term sublethal fluoranthene exposure on behavior and body condition. To determine the relationship between median time to death and fluoranthene concentration, tadpoles were exposed to either 0, 60, 80, 100 or 120 mg fluoranthene/L, and monitored for 144h under SUVR (40--50 mW/cm{sup 2} UVA, 4--6 mW/cm{sup 2} UVB). To examine the effects of fluoranthene on behavior and body condition, 20 tadpoles were exposed to either 0, 10, or 40 mg fluoranthene/L with simulated SUVR for either 48 or 96 h. At either 48 or 96 h ten individuals were removed and their locomotor activity was monitored and the body length and mass determined. Median time to death decreased with increased fluoranthene concentration and appears to do so in a linear fashion. Body condition was determined using a ratio index (mass/length{sup 3}) and a residual index was determined using the residuals of a regression of body length and body mass. Both exposure time and concentration affected both condition indices. Body burden was significantly affected at 10 mgmore » fluoranthene/L. Exposure to fluoranthene for 48 h caused no significant effect on locomotor activity. However, at 96 h hyperactivity was noted in the highest fluoranthene exposure concentration. These results indicate that exposure to fluoranthene under environmentally realistic conditions can cause both lethal and sublethal effects on amphibian larvae.« less" @default.
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- W2224917080 date "1995-12-31" @default.
- W2224917080 modified "2023-09-28" @default.
- W2224917080 title "The phototoxic effects of fluoranthene on bullfrog tadpoles" @default.
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