Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/121647
Title: Drivers of variation in seagrass-associated amphipods across biogeographical areas
Authors: Navarro Mayoral, Sandra 
Tuya Cortés, Fernando José 
Prado, Patricia
Marco-Méndez, Candela
Fernandez-Gonzalez, Victoria
Fernandez Torquemada,Yolanda 
Espino Rodríguez,Fernando 
Antonio de la Ossa, Jose
Vilella, David Mateu
Machado, Margarida
Martínez-Crego, Begoña
UNESCO Clasification: 251004 Botánica marina
241713 Ecología vegetal
240106 Ecología animal
Keywords: Amphipod Community
Atlantic Ocean
Biodiversity
Biogeography
Cymodocea Nodosa, et al
Issue Date: 2023
Journal: Marine Environmental Research 
Abstract: Amphipods are one of the dominant epifaunal groups in seagrass meadows. However, our understanding of the biogeographical patterns in the distribution of these small crustaceans is limited. In this study, we investigated such patterns and the potential drivers in twelve Cymodocea nodosa meadows within four distinctive biogeographical areas across 2000 Km and 13° of latitude in two ocean basins (Mediterranean Sea and Atlantic Ocean). We found that species abundances in the assemblage of seagrass-associated amphipods differed among areas following a pattern largely explained by seagrass leaf area and epiphyte biomass, while the variation pattern in species presence/absence was determined by seagrass density and epiphyte biomass. Seagrass leaf area was also the most important determinant of greater amphipod total density and species richness, while amphipod density also increased with algal cover. Overall, our results evidenced that biogeographical patterns of variation in amphipod assemblages are mainly influenced by components of the habitat structure, which covary with environmental conditions, finding that structurally more complex meadows harboring higher abundance and richness of amphipods associated.
URI: http://hdl.handle.net/10553/121647
ISSN: 0141-1136
DOI: 10.1016/j.marenvres.2023.105918
Source: Marine Environmental Research [ISSN 0141-1136], v. 186, (Abril 2023)
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