Functional biodiversity loss along natural CO2 gradients
Type | Article | ||||||||||||||||
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Date | 2018-12 | ||||||||||||||||
Language | English | ||||||||||||||||
Author(s) | Teixido Nuria1, 2, 8, Gambi Maria Cristina1, Parravacini Valeriano3, Kroeker Kristy4, 5, Micheli Fiorenza2, Villeger Sebastien6, Ballesteros Enric7 | ||||||||||||||||
Affiliation(s) | 1 : Stn Zool Anton Dohrn, Villa Dohrn Benth Ecol Ctr, Dept Integrat Marine Ecol, I-80077 Naples, Italy. 2 : Stanford Univ, Hopkins Marine Stn, Pacific Grove, CA 93950 USA. 3 : Univ Perpignan, LABEX Corail, EPHE, CRIOBE,PSL,CNRS,UPVD,USR 3278, F-66860 Perpignan, France. 4 : Univ Calif Santa Cruz, Santa Cruz, CA 95064 USA. 5 : Stanford Univ, Ctr Ocean Solut, Pacific Grove, CA 93950 USA. 6 : Univ Montpellier, IFREMER, MARBEC, CNRS,IRD, F-34095 Montpellier, France. 7 : CSIC, Ctr Estudis Avancats Blanes, Blanes 17300, Girona, Spain. 8 : Sorbonne Univ, CNRS, Lab Oceanog Villefranche, Villefranche Sur Mer, France. |
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Source | Nature Communications (2041-1723) (Nature Publishing Group), 2018-12 , Vol. 9 , N. 5149 , P. 9p. | ||||||||||||||||
DOI | 10.1038/s41467-018-07592-1 | ||||||||||||||||
WOS© Times Cited | 78 | ||||||||||||||||
Abstract | The effects of environmental change on biodiversity are still poorly understood. In particular, the consequences of shifts in species composition for marine ecosystem function are largely unknown. Here we assess the loss of functional diversity, i.e. the range of species biological traits, in benthic marine communities exposed to ocean acidification (OA) by using natural CO2 vent systems. We found that functional richness is greatly reduced with acidification, and that functional loss is more pronounced than the corresponding decrease in taxonomic diversity. In acidified conditions, most organisms accounted for a few functional entities (i.e. unique combination of functional traits), resulting in low functional redundancy. These results suggest that functional richness is not buffered by functional redundancy under OA, even in highly diverse assemblages, such as rocky benthic communities. |
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