Food web of a subtropical tidal flat, Atlantic Southwestern: Temporal and spatial variability of the primary organic sources

Soares, Lucy Satiko Hashimoto; Arantes, L.P.L.; Pucci, Marinella Coutinho Jacinto

doi:10.1016/j.ocecoaman.2018.01.035

Cited by 5 publications

(3 citation statements)

References 47 publications

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“…The δ 13 C values of POM showed no perceived patterns when comparing mangrove and control sites. This may be due to spatial and temporal variations in the hydrodynamics, even at small scales (Soares et al, 2018), and in the nutrients available for phytoplankton production (Kristensen et al, 2008;Soares et al, 2018), which can significantly change with water height and salinity (Doi et al, 2005;Bouillon et al, 2007). The δ 13 C values of POM in this study were close to those presented by benthic microalgae, suggesting it is partly comprised by resuspended organic carbon from intertidal surface sediments through tidal movements over the mudflats (Bouillon et al, 2007).…”

Section: Alternative Basal Food Sources Sustaining Intertidal Food Webssupporting

confidence: 56%

“…Stable isotope analysis (SIA) has been extensively used to study the energy flow through intertidal food webs bordered by mangrove forests (e.g. Abrantes and Sheaves 2009;Sepúlveda-Lozada et al, 2015;Soares et al, 2018), as well as to estimate the importance of primary food sources in the diet of macrozoobenthos (e.g. Bouillon et al, 2002;Tue et al, 2012;Le et al, 2017;Letourneur et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

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Assessing the contribution of mangrove carbon and of other basal sources to intertidal flats adjacent to one of the largest West African mangrove forests

Henriques

Granadeiro

Piersma

et al. 2021

Marine Environmental Research

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Section: Alternative Basal Food Sources Sustaining Intertidal Food Webssupporting

confidence: 56%

Section: Introductionmentioning

confidence: 99%

Assessing the contribution of mangrove carbon and of other basal sources to intertidal flats adjacent to one of the largest West African mangrove forests

Henriques

Granadeiro

Piersma

et al. 2021

Marine Environmental Research

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“…The abundance and distribution of the species varied among sampling periods, likely in response to seasonal changes in environmental variables driven by natural (i.e., upwellings, storms) or anthropic events (i.e., sewage) (Corte et al 2017;Ciotti et al 2018;Soares et al 2018). Nevertheless, C. nonatoi was always the dominant species in terms of abundance.…”

Section: Discussionmentioning

confidence: 98%

Using the Capitella complex to investigate the effects of sympatric cryptic species distinction on ecological and monitoring studies in coastal areas

et al. 2021

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The polychaete Capitella capitata is historically one of the most commonly used indicators of organic enrichment in marine benthic environments. However, this taxon has been used to refer to several cryptic species with distinct environmental tolerances, which may compromise ecological assessment and monitoring programs. In this study, we aimed to (1) assess the overlap and patterns of dominance in the spatial and temporal distribution and response to environmental variability of different species of the C. capitata complex in an urbanized coastal area and (2) investigate how the taxonomic resolution (species vs genera) could affect the observed patterns (i.e., whether the acknowledgement of cryptic species may affect the outcome of ecological assessments). Eight sampling campaigns were carried out from September 2011 to September 2013 in a heavily anthropized tidal flat in Southeastern Brazil. Four species of the complex were identified. Capitella nonatoi was the most abundant (~80% of the total abundance). Overall, the four species of Capitella showed high overlap in spatial distribution, especially between the most abundant ones. At community level, taxonomic resolution did not influence the perceived relationships with environmental and spatial variables, a result likely driven by the dominance of C. nonatoi and relatively high spatial overlap among species. The assemblage was influenced mainly by chlorophyll a and hydrocarbons, corroborating the indicator status of the taxa. At species level, however, individual response to environmental variability differed, suggesting that species may have distinct requirements. Thus, the use of a particular taxonomic resolution in ecological studies depends on the questions to be addressed. The recognition of cryptic diversity may be important for biodiversity assessments and studies at the population level (i.e., dynamics, behavior). Although further studies are needed to corroborate the observed patterns of dominance at larger scales, for community-level assessments, our results suggest that identifying Capitella to species level may not be needed for local ecological monitoring.

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Land–Ocean Connectivity Through Subsidies of Terrestrially Derived Organic Matter to a Nearshore Marine Consumer

et al. 2018

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Food web of a subtropical tidal flat, Atlantic Southwestern: Temporal and spatial variability of the primary organic sources

Cited by 5 publications

References 47 publications

Assessing the contribution of mangrove carbon and of other basal sources to intertidal flats adjacent to one of the largest West African mangrove forests

Assessing the contribution of mangrove carbon and of other basal sources to intertidal flats adjacent to one of the largest West African mangrove forests

Using the Capitella complex to investigate the effects of sympatric cryptic species distinction on ecological and monitoring studies in coastal areas

Land–Ocean Connectivity Through Subsidies of Terrestrially Derived Organic Matter to a Nearshore Marine Consumer

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