Projects per year
Abstract
Biotic responses to global change include directional shifts in organismal traits. Body size, an integrative trait that determines demographic rates and ecosystem functions, is often thought to be shrinking in the Anthropocene. Here, we assess the prevalence of body size change in six taxon groups across 5,032 assemblage time-series spanning 1960-2020. Using the Price equation to partition this change into within-species body size versus compositional changes, we detect prevailing decreases in body size through time. Change in assemblage composition contributes more to body size changes than within-species trends, but both components show substantial variation in magnitude and direction. The biomass of assemblages remains remarkably stable as decreases in body size trade-off with increases in abundance.
| Original language | English |
|---|---|
| Publisher | bioRxiv |
| Number of pages | 18 |
| DOIs | |
| Publication status | Published - 3 Feb 2023 |
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Dive into the research topics of 'Widespread reductions in body size are paired with stable assemblage biomass'. Together they form a unique fingerprint.-
Leverhulme Centre for Anthropocene Bio: Leverhulme Centre for Anthropocene Biodiversity
Dornelas, M. (PI)
1/05/19 → 30/04/29
Project: Standard
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Changing biodiversity in changing: H2020-MSCA-IF-2019 TraChange
Dornelas, M. (PI) & Santos Martins, I. (CoI)
Joint Research Centre European Commission
1/02/21 → 31/01/23
Project: Fellowship
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Biodiversity change in the Athropocene: Darwin, Wallace, Bates and biodiversity change in the Athropocene
Magurran, A. (PI)
1/04/20 → 31/03/23
Project: Standard
Datasets
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BodySize-Change: initial release of code for the "Widespread reductions in body size are paired with stable assemblage biomass" manuscript
Martins, I. (Creator), Zenodo, 2023
Dataset
Research output
- 1 Article
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Widespread shifts in body size within populations and assemblages
Martins, I. S., Schrodt, F., Blowes, S. A., Bates, A. E., Bjorkman, A. D., Brambilla, V., Carvajal-Quintero, J., Chow, C. F. Y., Daskalova, G. N., Edwards, K., Eisenhauer, N., Field, R., Fontrodona-Eslava, A., Henn, J. J., van Klink, R., Madin, J. S., Magurran, A. E., McWilliam, M., Moyes, F. & Pugh, B. & 5 others, , 8 Sept 2023, In: Science. 381, 6662, p. 1067-1071 5 p.Research output: Contribution to journal › Article › peer-review
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