Otolith reliability is context-dependent for estimating warming and CO2 acidification impacts on fish growth

© 2024 John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 30(2024), 9 vom: 06. Sept., Seite e17501
1. Verfasser: Tang, Bangli (VerfasserIn)
Weitere Verfasser: Ding, Liuyong, Ding, Chengzhi, He, Dekui, Su, Haojie, Tao, Juan
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Journal Article Meta-Analysis climate change ear stone growth proxy meta‐analysis misestimation risk ray‐finned fish Carbon Dioxide 142M471B3J
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520 |a Otoliths are frequently used as proxies to examine the impacts of climate change on fish growth in marine and freshwater ecosystems worldwide. However, the large sensitivity differences in otolith growth responses to typical changing environmental factors (i.e., temperature and CO2 concentration), coupled with unclear drivers and potential inconsistencies with fish body growth, fundamentally challenge the reliability of such otolith applications. Here, we performed a global meta-analysis of experiments investigating the direct effects of warming (297 cases) and CO2 acidification (293 cases) on fish otolith growth and compared them with fish body growth responses. Hierarchical models were used to assess the overall effect and quantify the influence of nine explanatory factors (e.g., fish feeding habit, life history stage, habitat type, and experimental amplitude and duration). The overall effects of warming and acidification on otolith growth were positive and significant, and the effect size of warming (effect size = 0.4003, otolith size of the treatment group increased by 49.23% compared to that of the control group) was larger than that of acidification (0.0724, 7.51%). All factors examined contributed to the heterogeneity of effect sizes, with larger responses commonly observed in carnivorous fish, marine species, and young individuals. Warming amplitudes and durations and acidification amplitudes increased the effect sizes, while acidification durations decreased the effect sizes. Otolith growth responses were consistent with, but greater than, fish body growth responses under warming. In contrast, fish body growth responses were not significant under acidification (effect size = -0.0051, p = .6185) and thus cannot be estimated using otoliths. Therefore, our study highlights that the reliability of applying otoliths to examine climate change impacts is likely varied, as the sensitivity of otolith growth responses and the consistency between the growth responses of otoliths and fish bodies are context-dependent 
650 4 |a Journal Article 
650 4 |a Meta-Analysis 
650 4 |a climate change 
650 4 |a ear stone 
650 4 |a growth proxy 
650 4 |a meta‐analysis 
650 4 |a misestimation risk 
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700 1 |a Ding, Liuyong  |e verfasserin  |4 aut 
700 1 |a Ding, Chengzhi  |e verfasserin  |4 aut 
700 1 |a He, Dekui  |e verfasserin  |4 aut 
700 1 |a Su, Haojie  |e verfasserin  |4 aut 
700 1 |a Tao, Juan  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Global change biology  |d 1999  |g 30(2024), 9 vom: 06. Sept., Seite e17501  |w (DE-627)NLM098239996  |x 1365-2486  |7 nnns 
773 1 8 |g volume:30  |g year:2024  |g number:9  |g day:06  |g month:09  |g pages:e17501 
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