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| DOI | 10.1007/s00227-023-04343-9 |
| Temperature increase alters relative fatty acid composition and has negative effects on reproductive output of the benthic copepod Tachidius discipes (copepoda: Harpacticoida) | |
| 发表日期 | 2024 |
| ISSN | 0025-3162 |
| EISSN | 1432-1793 |
| 起始页码 | 171 |
| 结束页码 | 1 |
| 卷号 | 171期号:1 |
| 英文摘要 | Copepods are aquatic invertebrates with a key role at the basis of marine food webs due to their high biomass as well as their elevated fatty acid (FA) content. Eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) are two FA abundant in copepods which have a well demonstrated role in growth and reproduction in marine organisms. While the majority of research has focused on planktonic copepod species, less is known for benthic species despite their high richness, abundance and their role as the main food source for many fish larvae. Temperature is a key driver of organism's fitness as well as ecosystem functioning and sea surface temperature is expected to rise under all CO2 emission scenarios. Thus, understanding how copepods will respond to such changes is crucial given their role in marine food webs. In this study we expose laboratory reared Tachidius discipes, an intertidal benthic copepod to a temperature gradient (12, 15, 18, 21 and 24 degree celsius) including current seasonal variability as well as future scenarios. Survival, FA, growth rates and nauplii production were measured for each temperature. We found decreased survival, increased growth rates and detrimental effects for nauplii production with temperature increase. While relative EPA and DHA decreased with temperature this was not found on absolute levels of these FA. Changes in benthic copepods' biomass as well as their FA composition in response to temperature changes could amplify to higher trophic levels with consequences for food web functioning. |
| 英文关键词 | Fatty acids; Copepod; Cimate change; Life-history traits; Tachidius discipes |
| 语种 | 英语 |
| WOS研究方向 | Marine & Freshwater Biology |
| WOS类目 | Marine & Freshwater Biology |
| WOS记录号 | WOS:001112901800001 |
| 来源期刊 | MARINE BIOLOGY
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/299157 |
| 作者单位 | Ghent University; Ghent University |
| 推荐引用方式 GB/T 7714 | . Temperature increase alters relative fatty acid composition and has negative effects on reproductive output of the benthic copepod Tachidius discipes (copepoda: Harpacticoida)[J],2024,171(1). |
| APA | (2024).Temperature increase alters relative fatty acid composition and has negative effects on reproductive output of the benthic copepod Tachidius discipes (copepoda: Harpacticoida).MARINE BIOLOGY,171(1). |
| MLA | "Temperature increase alters relative fatty acid composition and has negative effects on reproductive output of the benthic copepod Tachidius discipes (copepoda: Harpacticoida)".MARINE BIOLOGY 171.1(2024). |
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