Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/133299
Title: Positive species interactions structure rhodolith bed communities at a global scale
Authors: Bulleri, Fabio
Schubert ,Nadine 
Hall-Spencer, Jason M.
Basso, Daniela
Burdett, Heidi L.
Francini-Filho, Ronaldo B.
Grall, Jacques
Horta, Paulo A.
Kamenos, Nicholas A.
Martin, Sophie
Nannini, Matteo
Neves, Pedro
Olivé, Irene
Peña, Viviana
Ragazzola, Federica
Ribeiro, Cláudia
Rinde, Eli
Sissini, Marina
Tuya, Fernando 
Silva ,Joao 
UNESCO Clasification: 241707 Algología (ficología)
251004 Botánica marina
Keywords: Benthic habitats
Encrusting coralline algae
Facilitation cascades
Foundation species
Maerl beds, et al
Issue Date: 2024
Project: Hábitats Popcorn: composición, distribución y suministro de servicios ecosistémicos y resiliencia de fondos de rodolitos a lo largo de un archipiélago oceánico 
Journal: Biological Reviews 
Abstract: Rhodolith beds are diverse and globally distributed habitats. Nonetheless, the role of rhodoliths in structuring the associated species community through a hierarchy of positive interactions is yet to be recognised. In this review, we provide evidence that rhodoliths can function as foundation species of multi-level facilitation cascades and, hence, are fundamental for the persistence of hierarchically structured communities within coastal oceans. Rhodoliths generate facilitation cascades by buffering physical stress, reducing consumer pressure and enhancing resource availability. Due to large variations in their shape, size and density, a single rhodolith bed can support multiple taxonomically distant and architecturally distinct habitat-forming species, such as primary producers, sponges or bivalves, thus encompassing a broad range of functional traits and providing a wealth of secondary microhabitat and food resources. In addition, rhodoliths are often mobile, and thus can redistribute associated species, potentially expanding the distribution of species with short-distance dispersal abilities. Key knowledge gaps we have identified include: the experimental assessment of the role of rhodoliths as basal facilitators; the length and temporal stability of facilitation cascades; variations in species interactions within cascades across environmental gradients; and the role of rhodolith beds as climate refugia. Addressing these research priorities will allow the development of evidence-based policy decisions and elevate rhodolith beds within marine conservation strategies.
URI: http://hdl.handle.net/10553/133299
ISSN: 1464-7931
DOI: 10.1111/brv.13148
Source: Biological Reviews [ISSN 1464-7931], (Enero 2024)
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