Generality in multispecies responses to ocean acidification revealed through multiple hypothesis testing

© 2018 John Wiley & Sons Ltd.

Détails bibliographiques
Publié dans:Global change biology. - 1999. - 24(2018), 10 vom: 25. Okt., Seite 4464-4477
Auteur principal: Barner, Allison K (Auteur)
Autres auteurs: Chan, Francis, Hettinger, Annaliese, Hacker, Sally D, Marshall, Kelsey, Menge, Bruce A
Format: Article en ligne
Langue:English
Publié: 2018
Accès à la collection:Global change biology
Sujets:Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. allometry calcification coralline algae eco-physiology functional groups functional traits global change rocky intertidal
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520 |a Decades of research have demonstrated that many calcifying species are negatively affected by ocean acidification, a major anthropogenic threat in marine ecosystems. However, even closely related species may exhibit different responses to ocean acidification and less is known about the drivers that shape such variation in different species. Here, we examine the drivers of physiological performance under ocean acidification in a group of five species of turf-forming coralline algae. Specifically, quantitating the relative weight of evidence for each of ten hypotheses, we show that variation in coralline calcification and photosynthesis was best explained by allometric traits. Across ocean acidification conditions, larger individuals (measured as noncalcified mass) had higher net calcification and photosynthesis rates. Importantly, our approach was able to not only identify the aspect of size that drove the performance of coralline algae, but also determined that responses to ocean acidification were not dependent on species identity, evolutionary relatedness, habitat, shape, or structural composition. In fact, we found that failure to test multiple, alternative hypotheses would underestimate the generality of physiological performances, leading to the conclusion that each species had different baseline performance under ocean acidification. Testing among alternative hypotheses is an essential step toward determining the generalizability of experiments across taxa and identifying common drivers of species responses to global change 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Research Support, U.S. Gov't, Non-P.H.S. 
650 4 |a allometry 
650 4 |a calcification 
650 4 |a coralline algae 
650 4 |a eco-physiology 
650 4 |a functional groups 
650 4 |a functional traits 
650 4 |a global change 
650 4 |a rocky intertidal 
700 1 |a Chan, Francis  |e verfasserin  |4 aut 
700 1 |a Hettinger, Annaliese  |e verfasserin  |4 aut 
700 1 |a Hacker, Sally D  |e verfasserin  |4 aut 
700 1 |a Marshall, Kelsey  |e verfasserin  |4 aut 
700 1 |a Menge, Bruce A  |e verfasserin  |4 aut 
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773 1 8 |g volume:24  |g year:2018  |g number:10  |g day:25  |g month:10  |g pages:4464-4477 
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