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| DOI | 10.1016/j.jtherbio.2024.103816 |
| Changes in thermal sensitivity of Rhinella arenarum tadpoles (Anura: Bufonidae) exposed to sublethal concentrations of different pesticide fractions (Lorsban ® 75WG). | |
| 发表日期 | 2024 |
| ISSN | 0306-4565 |
| EISSN | 1879-0992 |
| 起始页码 | 120 |
| 卷号 | 120 |
| 英文摘要 | The intensive use of agrochemicals and the rapid increase of global temperatures have modified the thermal conditions of aquatic environments, thus increasing amphibians ' vulnerability to global warming and positioning them at great risk. Commercial formulations of chlorpyrifos (COM) are the pesticides most widely used in agricultural activities, with a high toxic potential on amphibians. However, little is known about the separate effects of the active ingredient (CPF) and adjuvants (AD). We studied the thermal sensitivity at different concentrations and pesticide fractions in Rhinella arenarum tadpoles, on thermal tolerance limits (CT max = Critical thermal maximum and CT min = Critical thermal minimum), swimming speed (S s ), Optimum temperature (T o p ), and Thermal breadth 50 (B 50 ). Our results demonstrate that the pesticide active ingredient, the adjuvants, and the commercial formulation of chlorpyrifos differentially impair the thermal sensitivity of R. arenarum tadpoles. The pesticide fractions affected the heat and the cold tolerance (CT max and CT min ), depending on the concentrations they were exposed to. The locomotor performance (S s , T op , and B 50 ) of tadpoles also varied among fractions, treatments, and environmental temperatures. In the context of climate change, the outcomes presented are particularly relevant, as mean temperatures are increasing at unprecedented rates, which suggests that tadpoles inhabiting warming and polluted ponds are currently experiencing deleterious conditions. Considering that larval stages of amphibians are the most susceptible to changing environmental conditions and the alarming predictions about environmental temperatures in the future, it is likely that the synergism between high temperatures and pesticide exposure raise the threat of population deletions in the coming years. |
| 英文关键词 | Argentina; Chlorpyrifos; Ecotoxicology; Performance; Thermal extremes |
| 语种 | 英语 |
| WOS研究方向 | Life Sciences & Biomedicine - Other Topics ; Zoology |
| WOS类目 | Biology ; Zoology |
| WOS记录号 | WOS:001210739400001 |
| 来源期刊 | JOURNAL OF THERMAL BIOLOGY
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/289604 |
| 作者单位 | Universidad Nacional de San Juan; University Nacional Cuyo Mendoza; Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET) |
| 推荐引用方式 GB/T 7714 | . Changes in thermal sensitivity of Rhinella arenarum tadpoles (Anura: Bufonidae) exposed to sublethal concentrations of different pesticide fractions (Lorsban ® 75WG).[J],2024,120. |
| APA | (2024).Changes in thermal sensitivity of Rhinella arenarum tadpoles (Anura: Bufonidae) exposed to sublethal concentrations of different pesticide fractions (Lorsban ® 75WG)..JOURNAL OF THERMAL BIOLOGY,120. |
| MLA | "Changes in thermal sensitivity of Rhinella arenarum tadpoles (Anura: Bufonidae) exposed to sublethal concentrations of different pesticide fractions (Lorsban ® 75WG).".JOURNAL OF THERMAL BIOLOGY 120(2024). |
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