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| DOI | 10.1007/s10750-023-05466-2 |
| Joint effects of warming and salinization on instream leaf litter decomposition assessed through a microcosm experiment | |
| 发表日期 | 2024 |
| ISSN | 0018-8158 |
| EISSN | 1573-5117 |
| 起始页码 | 851 |
| 结束页码 | 10 |
| 卷号 | 851期号:10 |
| 英文摘要 | Stream ecosystem functioning is often impaired by warming and salinization, but the joint effect of both environmental stressors on key processes such as leaf litter decomposition is virtually unknown, particularly in the tropics. We experimentally explored how increased water temperature (26, 29 and 32 degrees C) and salinity (no salt addition, 0.1, 1.0 and 10 g l-1 NaCl added) affected the rates of total, microbial and detritivore-mediated decomposition, in stream microcosms containing leaf litter of Ficus insipida and larvae of Chironomus sp. collected from tropical streams. Effects of temperature were strong and consistent with previous findings: it promoted microbial decomposition and reduced decomposition mediated by detritivores, which showed greater feeding activity at 26 degrees C. Salinity was negatively correlated with microbial decomposition at 32 degrees C; it also had a negative influence on detritivore-mediated decomposition, which was nevertheless non-significant due to the high detritivore mortality at higher salinities. Notably, total decomposition was reduced with the joint presence of both factors (32 degrees C and salt addition treatments, compared to 26 degrees C and no salt addition), indicating the existence of additive effects and highlighting the relevance of multiple-stressor contexts when assessing the consequences of global change on stream ecosystems. |
| 英文关键词 | Detritivores; Global environmental change; Salinity; Stream ecosystem functioning; Temperature |
| 语种 | 英语 |
| WOS研究方向 | Marine & Freshwater Biology |
| WOS类目 | Marine & Freshwater Biology |
| WOS记录号 | WOS:001148888600001 |
| 来源期刊 | HYDROBIOLOGIA
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/295848 |
| 作者单位 | Instituto Conmemorativo Gorgas de Estudios de la Salud; University of Basque Country; Secretaria Nacional de Ciencia, Tecnologia e Innovacin (SENACYT) |
| 推荐引用方式 GB/T 7714 | . Joint effects of warming and salinization on instream leaf litter decomposition assessed through a microcosm experiment[J],2024,851(10). |
| APA | (2024).Joint effects of warming and salinization on instream leaf litter decomposition assessed through a microcosm experiment.HYDROBIOLOGIA,851(10). |
| MLA | "Joint effects of warming and salinization on instream leaf litter decomposition assessed through a microcosm experiment".HYDROBIOLOGIA 851.10(2024). |
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