The science we need for the beaches we want: frontiers of the flourishing Brazilian ecological sandy beach research

Corte, Guilherme Nascimento; Shah Esmaeili, Yasmina; Maria, Tatiana Fabricio; Costa, Leonardo Lopes; Mattos, Gustavo; Checon, Helio Herminio; Malinconico, Nicole; Paiva, Paulo Cesar; Debiasi, Paula; Cabrini, Tatiana; Seixas, Victor Corrêa; Bulhões, Eduardo; Rosa Filho, José Souto; Colling, Leonir André; da Rosa, Leonardo Cruz; Yokoyama, Leonardo Querobim; Cardoso, Ricardo; Pombo, Maíra; Mancini, Patricia Luciano; Xavier, Luciana Yokoyama; Santos, Thuareag; Petracco, Marcelo; Bechara, Ligia Salgado; Laurino, Ivan Rodrigo Abrão; Di Domenico, Maikon; Odebrecht, Clarisse; Klein, Antonio Henrique da Fontoura; Rocha Barreira, Cristina de Almeida; Soares-Gomes, Abilio; Zalmon, Ilana Rosental; Amaral, Antonia Cecilia Zacagnini; Turra, Alexander; Barboza, Carlos Alberto de Moura

doi:10.3389/fmars.2023.1200979

Cited by 3 publications

(3 citation statements)

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“…Additionally, we highlight the importance of long-term studies to understand how meiofaunal assemblages may vary temporally in tropical regions. Long-term ecological studies in sandy beaches are still scarce in Brazil, even with the introduction of monitoring protocols ( e.g ., MBON Pole-to-Pole and ReBentos) ( Corte et al, 2023 ). The scarcity of long-term ecological studies contributes to the limited knowledge on the ecological role of meiofaunal species in sandy beach habitats ( Fanini, Defeo & Elliott, 2020 ; Corte et al, 2023 ).…”

Section: Discussionmentioning

confidence: 99%

“…Long-term ecological studies in sandy beaches are still scarce in Brazil, even with the introduction of monitoring protocols ( e.g ., MBON Pole-to-Pole and ReBentos) ( Corte et al, 2023 ). The scarcity of long-term ecological studies contributes to the limited knowledge on the ecological role of meiofaunal species in sandy beach habitats ( Fanini, Defeo & Elliott, 2020 ; Corte et al, 2023 ). Several benthic ecological processes ( e.g ., recruitment, zonation, intra- and inter-specific interactions) may change during long-term temporal scale (years to decades), and can only be detected and understood with long-term monitoring studies ( Turra et al, 2014 ).…”

Section: Discussionmentioning

confidence: 99%

“…Sandy beaches are the most predominant coastal ecosystems worldwide forming an intricate environment between marine and terrestrial realms, with a large diversity of organisms supporting important biogeochemical processes and providing key ecosystem services ( McLachlan & Brown, 2006 ; Defeo et al, 2009 ; Wu, Meador & Hinrichs, 2018 ; Okamoto et al, 2022 ; Corte et al, 2023 ). These environments are dynamic and heavily influenced by global and local oceanographic and physical processes ( e.g ., granulometric characteristics, wave regime, tides, and currents) ( Di Domenico, Da Cunha Lana & Garraffoni, 2009 ), which in turn shape the community structure of these habitats ( Maria, Wandeness & Esteves, 2016 ).…”

Section: Introductionmentioning

confidence: 99%

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Meiofauna at a tropical sandy beach in the SW Atlantic: the influence of seasonality on diversity

Coppo,

Pereira,

Netto

et al. 2024

PeerJ

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Background Sandy beaches are dynamic environments housing a large diversity of organisms and providing important environmental services. Meiofaunal metazoan are small organisms that play a key role in the sediment. Their diversity, distribution and composition are driven by sedimentary and oceanographic parameters. Understanding the diversity patterns of marine meiofauna is critical in a changing world. Methods In this study, we investigate if there is seasonal difference in meiofaunal assemblage composition and diversity along 1 year and if the marine seascapes dynamics (water masses with particular biogeochemical features, characterized by temperature, salinity, absolute dynamic topography, chromophoric dissolved organic material, chlorophyll-a, and normalized fluorescent line height), rainfall, and sediment parameters (total organic matter, carbonate, carbohydrate, protein, lipids, protein-to-carbohydrate, carbohydrate-to-lipids, and biopolymeric carbon) affect significatively meiofaunal diversity at a tropical sandy beach. We tested two hypotheses here: (i) meiofaunal diversity is higher during warmer months and its composition changes significatively among seasons along a year at a tropical sandy beach, and (ii) meiofaunal diversity metrics are significantly explained by marine seascapes characteristics and sediment parameters. We used metabarcoding (V9 hypervariable region from 18S gene) from sediment samples to assess the meiofaunal assemblage composition and diversity (phylogenetic diversity and Shannon’s diversity) over a period of 1 year. Results Meiofauna was dominated by Crustacea (46% of sequence reads), Annelida (28% of sequence reads) and Nematoda (12% of sequence reads) in periods of the year with high temperatures (>25 °C), high salinity (>31.5 ppt), and calm waters. Our data support our initial hypotheses revealing a higher meiofaunal diversity (phylogenetic and Shannon’s Diversity) and different composition during warmer periods of the year. Meiofaunal diversity was driven by a set of multiple variables, including biological variables (biopolymeric carbon) and organic matter quality (protein content, lipid content, and carbohydrate-to-lipid ratio).

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Meiofauna at a tropical sandy beach in the SW Atlantic: the influence of seasonality on diversity

Coppo,

Pereira,

Netto

et al. 2024

PeerJ

View full text Add to dashboard Cite

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Metal concentration in ghost shrimp and contamination levels of sandy beaches contrasted with anthropogenic impacts in Southeast Brazil

José-Silva,

Trevizani,

Almeida

et al. 2024

Preprint

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This study evaluates the contrast in the concentration of seven metallic elements (As, Cd, Cr, Cu, Hg, Mn, and Pb) in tissues (G, gonads; H, hepatopancreas; and M, musculature) of the ghost shrimp Callichirus corruptus, as a response to sediment contamination in two sandy beaches in Southern Brazil with different anthropogenic status (JUR, Juréia; and STS, Santos). The biotic and abiotic samples were collected with a suction pump, and subjected to metal quantification by Atomic Absorption Spectrophotometry technique. Statistical analyses were performed in R-Studio. In JUR, the sediment had Cr, Cu, and Mn concentrations two times lower when compared to STS (t ≤ 7.80; p ≤ 0.01), while STS had Hg concentrations between the Interim Sediment Quality Guideline (ISQG) and Probable Effect Level (PEL) parameters. Three metals (Cd, Cr, and Cu) presented concentrations above the Maximum Tolerated Limit indicated by the Brazilian Health Regulatory Agency (Anvisa), with prawn bioaccumulation up to eight times greater in STS than JUR (t ≥ 4.42; p ≤ 0.03). Therefore, this study confirms higher metal concentrations in the biotic and abiotic compartments of Santos, which has a high human population density and a significant industrial and port complex, in contrast to Juréia, which is located in an extremely preserved ecological station. Furthermore, the research presents novel information on trace elements in the sandy sediments of the studied sites. Additionally, it provides unprecedented evidence on metal concentration for C. corruptus, which can be used in monitoring programs for sandy beaches due to its metal bioaccumulation potential.

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Deriving Accurate Intertidal Topography for Sandy Beaches Using ICESat-2 Data and Sentinel-2 Imagery

Xu,

Wang,

et al. 2024

J Remote Sens

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Sandy beaches are one of the most dominant coastal types across the world, which can protect the coast and provide tourism. The intertidal zone is inundated with dynamic tides, making it challenging to obtain the intertidal topography near sandy beaches due to their narrow widths, particularly in sparsely populated areas with rare in situ measurements. Recently, the Ice, Cloud, and land Elevation Satellite 2 (ICESat-2) photon-counting lidar offers unprecedented finer observations in elevation in coastal zones. In this study, we aimed to explore the capacity of combining ICESat-2 altimeter data and Sentinel-2 imagery in deriving the intertidal topography for sandy beaches. Our results indicate that the satellite-derived sandy beach intertidal topography (with a resolution of ~3 m) in Texas, USA exhibits a good accuracy of 0.35 m compared with a local high-resolution digital elevation model dataset. Moreover, we generated the coastal lowland map from the beach topography and validated the lowland results using high-resolution data. We highlighted that our proposed method for inverting the topography of sandy beaches are based on globally accessible satellite data (i.e., without in situ data), demonstrating the potential for applications in various coastal zones around the world.

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The science we need for the beaches we want: frontiers of the flourishing Brazilian ecological sandy beach research

Cited by 3 publications

References 92 publications

Meiofauna at a tropical sandy beach in the SW Atlantic: the influence of seasonality on diversity

Meiofauna at a tropical sandy beach in the SW Atlantic: the influence of seasonality on diversity

Metal concentration in ghost shrimp and contamination levels of sandy beaches contrasted with anthropogenic impacts in Southeast Brazil

Deriving Accurate Intertidal Topography for Sandy Beaches Using ICESat-2 Data and Sentinel-2 Imagery

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