Effect of Lead Exposure on Jumping Ability in Pelophylax nigromaculata
2021
Duan, Renyan | Huang, Minyi | Yi, Minghui | Zhao, Qiang | Wan, Yuyue | Liu, Yang
Jumping ability determines the likelihood of survival and reproduction of amphibians. To study the toxic effect of lead (Pb) on the jumping ability of amphibians, Pelophylax nigromaculata were treated with 0, 1 and 10 mg/L Pb for 10 days and 20 days each. The results showed that for both treatment time (10 days and 20 days), compared to the control group, the 1 mg/L Pb treatment had no significant effect on jumping parameters. Compared to the control group, the maximum jumping height, distance, speed and acceleration in the 10-day 10 mg/L Pb treatment group increased significantly, but after 20 days the jumping parameters decreased significantly. With an increase in duration and concentration, the correlation coefficient and the correlation between these jumping parameters decreased. Our results indicate that an exposure to 10 mg/L Pb for 20 days has a significant negative effect on the jumping ability of amphibians.
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