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| DOI | 10.1016/j.cbpc.2024.109884 |
| Thermal sensitivity of Rhinella arenarum tadpole at low concentrations of dimethoate pesticides | |
| 发表日期 | 2024 |
| ISSN | 1532-0456 |
| EISSN | 1878-1659 |
| 起始页码 | 279 |
| 卷号 | 279 |
| 英文摘要 | One of the main causes of contamination of aquatic environments, which affects biotic communities, is the use of pesticides in agricultural regions. Amphibians are considered good bio-indicators of aquatic pollution, because they are one of the most susceptible groups to pollution. Several studies suggest that both pollution and climate change produce synergistic effects in amphibians which amplify the toxicity afecting survival, and malformations with an increase in temperature. We studied the sensitivity of sublethal concentrations of dimethoate in Rhinella arenarum tadpoles on two fitness related thermal traits including locomotor swimming performance and thermal tolerance limits (CTmax = critical thermal maximum and CTmin = critical thermal minimum). The locomotor performance of R. arenarum tadpoles decreased with increasing sublethal dimethoate concentrations up to similar to 60 % at intermediates dimethoate concentration. The tadpoles showed a tendency to decrease their tolerance to high temperatures (CTmax) with increasing dimethoate concentration around similar to 0.5 degrees C, however no significant differences were found among treatments. Similarly, tadpoles showed decreases in their cold resistance (CTmin) with dimethoate concentrations, around 1 degrees C the high concentrations of dimethoate. The increase of atypical climatic events, such as heat waves may put R. arenarum tadpoles at greater risk when exposed to dimethoate. Our results show that the sublethal concentrations of the dimethoate pesticide may affect the fitness and survival of the larvae of R. arenarum in natural, and seminatural enviroments. |
| 英文关键词 | Argentina; Global warming; Locomotor performance; Monte desert; Thermal extremes |
| 语种 | 英语 |
| WOS研究方向 | Biochemistry & Molecular Biology ; Endocrinology & Metabolism ; Toxicology ; Zoology |
| WOS类目 | Biochemistry & Molecular Biology ; Endocrinology & Metabolism ; Toxicology ; Zoology |
| WOS记录号 | WOS:001203678700001 |
| 来源期刊 | COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY C-TOXICOLOGY & PHARMACOLOGY
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| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/298116 |
| 作者单位 | Universidad Nacional de San Juan; Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET); University Nacional Cuyo Mendoza |
| 推荐引用方式 GB/T 7714 | . Thermal sensitivity of Rhinella arenarum tadpole at low concentrations of dimethoate pesticides[J],2024,279. |
| APA | (2024).Thermal sensitivity of Rhinella arenarum tadpole at low concentrations of dimethoate pesticides.COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY C-TOXICOLOGY & PHARMACOLOGY,279. |
| MLA | "Thermal sensitivity of Rhinella arenarum tadpole at low concentrations of dimethoate pesticides".COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY C-TOXICOLOGY & PHARMACOLOGY 279(2024). |
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