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Title: Short-Term Spatiotemporal Variability in Picoplankton Induced by a Submesoscale Front South of Gran Canaria (Canary Islands)
Authors: Hernández-Hernández, Nauzet 
Santana Falcon, Yeray 
Estrada-Allis, Sheila 
Arístegui, Javier 
UNESCO Clasification: 251001 Oceanografía biológica
Keywords: Canary Islands
Spatiotemporal Variability, et al
Issue Date: 2021
Project: Estudios de la Bomba Vertical Oceánica en Remolinos de Mesoscala 
Flujos de Carbono en Un Sistema de Afloramiento Costero (Cabo Blanco, Nw de Africa). Papel Del Carbono Disuelto y en Suspension en El Contexto de la Bomba Biologica. 
e-IMPACT (PID2019-109084RB-C2)
Tropical and South Atlantic - climate-based marine ecosystem prediction for sustainable management 
Journal: Frontiers in Marine Science 
Abstract: The distribution and variability of phytoplankton in the upper layers of the ocean are highly correlated with physical processes at different time and spatial scales. Model simulations have shown that submesoscale features play a pivotal role on plankton distribution, metabolism and carbon fluxes. However, there is a lack of observational studies that provide evidence for the complexity of short-term phytoplankton distribution and variability inferred from theoretical and modeling approaches. In the present study, the development and decay of a submesoscale front south of Gran Canaria Island is tracked at scales not considered in regular oceanographic samplings in order to analyze the picoplankton response to short-term variability. Likewise, the contribution of each scale of variability to the total variance of the picophytoplankton community has been quantified. We observe statistically different picophytoplankton assemblages across stations closer than 5 km, and between time periods shorter than 24 h, which were related to high physical spatiotemporal variability. Our results suggest that both temporal and spatial variability may equally contribute to the total variance of picoplankton community in the mixed layer, while time is the principal contributor to total variance in the deep chlorophyll maximum (DCM).
DOI: 10.3389/fmars.2021.592703
Source: Frontiers in Marine Science [EISSN 2296-7745], v. 8, 592703 (Marzo 2021)
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