Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/74642
Title: Seagrass Cymodocea nodosa across biogeographical regions and times: Differences in abundance, meadow structure and sexual reproduction
Authors: Máñez-Crespo, Julia
Tuya, Fernando 
Fernandez Torquemada,Yolanda 
Royo, Laura
Pilar-Ruso, Yoana del
Espino Rodríguez, Fernando 
Manent, Pablo
Antich, Laura
Castejón-Silvo, Inés
Curbelo, L.
de la Ossa, José A.
Hernan, Gema
Mateo-Ramírez, Ángel
Pereda-Briones, Laura
Jiménez-Ramos, Rocío
Egea, Luis G.
Procaccini, Gabriele
Terrados, Jorge
Tomas, Fiona
UNESCO Clasification: 250501-1 Biogeografía botánica
241705 Biología marina
Keywords: Angiosperms
Canary Islands
Demographic Compensation Hypothesis
Environmental Variability
Meadow Genetic Diversity, et al
Issue Date: 2020
Project: Compresion Holistica Del Funcionamiento y Resilencia de Una Fanerogama Marina A Perturbaciones Locales: de Escalas Moleculares A Escalas 
Journal: Marine Environmental Research 
Abstract: Seagrasses are key habitat-forming species of coastal areas. While previous research has demonstrated considerable small-scale variation in seagrass abundance and structure, studies teasing apart local from large-scale variation are scarce. We determined how different biogeographic scenarios, under varying environmental and genetic variation, explained variation in the abundance and structure (morphology and biomass allocation), epiphytes and sexual reproduction intensity of the seagrass Cymodocea nodosa. Regional and local-scale variation, including their temporal variability, contributed to differentially explain variation in seagrass attributes. Structural, in particular morphological, attributes of the seagrass leaf canopy, most evidenced regional seasonal variation. Allocation to belowground tissues was, however, mainly driven by local-scale variation. High seed densities were observed in meadows of large genetic diversity, indicative of sexual success, which likely resulted from the different evolutionary histories undergone by the seagrass at each region. Our results highlight that phenotypic plasticity to local and regional environments need to be considered to better manage and preserve seagrass meadows.
URI: http://hdl.handle.net/10553/74642
ISSN: 0141-1136
DOI: 10.1016/j.marenvres.2020.105159
Source: Marine Environmental Research [ISSN 0141-1136], v. 162, 105159, (Diciembre 2020)
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