ArticleProceedings. Biological sciences2022
Ecosystem engineer morphological traits and taxon identity shape biodiversity across the euphotic-mesophotic transition.
Article in Proceedings. Biological sciences, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Positive species interactions structure rhodolith bed communities at a global scale.Biological reviews of the Cambridge Philosophical Society · 2025Review
- Dominance of photo over chromatic acclimation strategies by habitat-forming mesophotic red algae.Proceedings. Biological sciences · 2023Article
- Red algae acclimate to low light by modifying phycobilisome composition to maintain efficient light harvesting.BMC biology · 2022Article
- Ecosystem engineer morphological traits and taxon identity shape biodiversity across the euphotic-mesophotic transition.Proceedings. Biological sciences · 2022Article
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Authors and funding
11 authors.
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Abstract
The euphotic-mesophotic transition is characterized by dramatic changes in environmental conditions, which can significantly alter the functioning of ecosystem engineers and the structure of their associated communities. However, the drivers of biodiversity change across the euphotic-mesophotic transition remain unclear. Here, we investigated the mechanisms affecting the biodiversity-supporting potential of free-living red coralline algae-globally important habitat creators-towards mesophotic depths. Across a 73 m depth gradient, we observed a general decline in macrofaunal biodiversity (fauna abundance, taxon richness and alpha diversity), but an increase in beta-diversity (i.e. variation between assemblages) at the deepest site (86 m depth, where light levels were less than 1% surface irradiance). We identified a gradient in abundance decline rather than distinct ecological shifts, driven by a complex interaction between declining light availability, declining size of the coralline algal host individuals and a changing host taxonomy. However, despite abundance declines, high between-assemblage variability at deeper depths allowed biodiversity-supporting potential to be maintained, highlighting their importance as coastal refugia.
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