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| DOI | 10.1111/oik.10329 |
| Fertility loss under thermal stress: males have lower fertility limits but no evidence of sex differences in sensitivity | |
| 发表日期 | 2024 |
| ISSN | 0030-1299 |
| EISSN | 1600-0706 |
| 起始页码 | 2024 |
| 结束页码 | 4 |
| 卷号 | 2024期号:4 |
| 英文摘要 | Climate change models predict that the frequency and intensity of heatwaves are likely to increase, therefore understanding population responses to these extreme climatic events will be key in mitigating biodiversity loss. Here, using the male dimorphic bulb mite, Rhizoglyphus robini, we investigate and compare the impact of experimental heat stress on survival and fertility between females and male morphs that differ in the expression of a sexually selected weapon. We show that lethal limits are similar among all individuals, but find clear sex differences, although no difference between morphs, in sub-lethal temperatures causing sterility: female fertility remains high close to lethal limits, whereas both male morphs suffer fertility loss at more than 2.5 degrees C below their lethal limits. Contrastingly, when thermal stress was lower the sexes and morphs do not differ in their thermal sensitivity and declines in reproductive output are comparable. These declines appear to be additive as we observe the greatest declines when both sexes were exposed to thermal stress. In addition, during assays we included an extra treatment that allowed individuals two extra days to recover and found that fertility loss was almost fully recovered when thermal stress was low, but only partially recovered under the most extreme temperatures. The impact of heat stress on fertility therefore appears to be temporary with individuals rapidly recovering: whether recovery can negate negative population level effects remains to be investigated. Our experiments reveal the impact of heat stress on survival and fertility, finding sex-specific fertility loss under the most extreme thermal conditions. |
| 英文关键词 | climate change; heatwaves; sex differences; sexually selected weaponry; thermal fertility limits (TFL); thermal sensitivity of fertility (TSF) |
| 语种 | 英语 |
| WOS研究方向 | Environmental Sciences & Ecology |
| WOS类目 | Ecology |
| WOS记录号 | WOS:001144065600001 |
| 来源期刊 | OIKOS
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/289432 |
| 作者单位 | Adam Mickiewicz University |
| 推荐引用方式 GB/T 7714 | . Fertility loss under thermal stress: males have lower fertility limits but no evidence of sex differences in sensitivity[J],2024,2024(4). |
| APA | (2024).Fertility loss under thermal stress: males have lower fertility limits but no evidence of sex differences in sensitivity.OIKOS,2024(4). |
| MLA | "Fertility loss under thermal stress: males have lower fertility limits but no evidence of sex differences in sensitivity".OIKOS 2024.4(2024). |
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