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Checon HH, Corte GN, Shah Esmaeili Y, Muniz P, Turra A. The efficacy of benthic indices to evaluate the ecological quality and urbanization effects on sandy beach ecosystems. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 856:159190. [PMID: 36195141 DOI: 10.1016/j.scitotenv.2022.159190] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 08/30/2022] [Accepted: 09/29/2022] [Indexed: 06/16/2023]
Abstract
Benthic indices have been widely used across different coastal ecosystems to assess ecological quality and detect anthropic impacts, but very few studies investigated their effectiveness on sandy beaches. Here, we evaluated and compared the efficacy of 12 assemblage-based benthic indices in assessing ecological quality in beaches, across a gradient of anthropic pressure and natural variability in 90 sandy beach sites. Overall, when sandy beaches were considered collectively, benthic indices had a poor performance in identifying decreases in ecological quality with increasing urbanization. However, when each morphodynamic type was evaluated separately, a few indices, especially those that were calibrated by reference conditions (i.e., M-AMBI, BAT, and BEQI-2), showed promising results for dissipative, and to a lesser extent, intermediate beaches. For reflective beaches, indices performed poorly, likely a reflection of the stronger natural disturbance these beaches are subjected to. Among functional indices, richness was found to be lower in urbanized beaches, but only in dissipative ones. Overall, our results show that benthic indices have the potential to be incorporated in sandy beach management and monitoring programs, especially for dissipative and intermediate beaches. For reflective beaches, given the early stage of studies with benthic indices in beaches, more research is needed to corroborate the observed patterns.
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Affiliation(s)
- Helio H Checon
- Instituto Oceanográfico, Universidade de São Paulo (USP), CEP 05508-120 São Paulo, São Paulo, Brazil; Departamento de Biologia Animal, Instituto de Biologia, Universidade Estadual de Campinas, CEP 13083-862 Campinas, São Paulo, Brazil.
| | - Guilherme N Corte
- Instituto Oceanográfico, Universidade de São Paulo (USP), CEP 05508-120 São Paulo, São Paulo, Brazil; Escola do Mar, Ciência e Tecnologia, Universidade do Vale do Itajaí, CEP 88302-202 Itajaí, Santa Catarina, Brazil
| | - Yasmina Shah Esmaeili
- Instituto Oceanográfico, Universidade de São Paulo (USP), CEP 05508-120 São Paulo, São Paulo, Brazil; Departamento de Biologia Animal, Instituto de Biologia, Universidade Estadual de Campinas, CEP 13083-862 Campinas, São Paulo, Brazil
| | - Pablo Muniz
- Oceanografía y Ecología Marina (OEM), Instituto de Ecología y Ciencias Ambientales (IECA), Facultad de Ciencias, Universidad de la República, Iguá 4225, Montevideo 11400, Uruguay
| | - Alexander Turra
- Instituto Oceanográfico, Universidade de São Paulo (USP), CEP 05508-120 São Paulo, São Paulo, Brazil
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Souza FM, Gilbert ER, Brauko KM, Lorenzi L, Machado E, Camargo MG. Macrobenthic community responses to multiple environmental stressors in a subtropical estuary. PeerJ 2021; 9:e12427. [PMID: 34966574 PMCID: PMC8663631 DOI: 10.7717/peerj.12427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 10/11/2021] [Indexed: 11/20/2022] Open
Abstract
We assessed how multi- and univariate models reflect marine environmental health based on macrobenthic community responses to three environmental stressor categories: hydrodynamics, organic enrichment and metal contamination. We then compared the models with the benthic index AMBI (AZTI Marine Biotic Index). Macrobenthic community and physicochemical variables were sampled at 35 sites along Babitonga Bay, a subtropical estuary in Southern Brazil. Distance-based linear modelling identified depth, grain size and organic matter as well as Cu and Zn as key stressors affecting the macrobenthos. Using canonical analysis of principal coordinates (CAP), we developed three multivariate models based on the variability in community composition, creating stress gradients. The metal gradient showed better correlation with the benthic community. Sediment quality indices (Geoaccumulation Index and Contamination Factor) showed a low to moderate contamination status, with higher concentrations for Cr, Ni and Zn at the inner areas of the bay. According to AMBI, Babitonga Bay has a “good” environmental health status, and the AMBI values show stronger correlations with the hydrodynamic and organic enrichment gradients (r = 0.50 and r = 0.47) rather than the metal gradient (r = 0.29). Lumbrineridae polychaetes (not included in the AMBI list) and Scoloplos sp. were negatively related to the metal contamination gradient and were considered sensitive, while Sigambra sp., Magelona papillicornis, the gastropod Heleobia australis and species of the crustacean order Mysida were positively related to the gradient and considered tolerant to higher concentrations of metals in the sediment. Despite the inconsistency in the ecological classification provided by AMBI and its relationship with the metal gradient, our results suggest that the environmental quality was satisfactory for the studied gradients. The metal gradient showed the weakest correlation to AMBI. In such cases, the ecological classification of taxa by the index should be evaluated under the perspective of the action of inorganic genotoxic contaminants represented by metals.
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Affiliation(s)
- Fernanda M Souza
- University of Amapá State-UEAP, Macapá, AP, Brazil.,Centro de Estudos do Mar, Universidade Federal do Paraná, Pontal do Paraná, Paraná, Brazil
| | - Eliandro R Gilbert
- Instituto Brasileiro de Geografia e Estatística-IBGE, Macapá, AP, Brazil
| | - Kalina M Brauko
- Coordenadoria Especial de Oceanografia, Universidade Federal de Santa Catarina-UFSC, Florianópolis, SC, Brazil
| | - Luciano Lorenzi
- Department of Biology, University of Joinville Region-UNIVILLE, São Francisco do Sul, SC, Brazil
| | - Eunice Machado
- Programa de Pós-Graduação em Saúde e Meio Ambiente, Institute of Oceanography, Federal University of Rio Grande-FURG, Rio Grande, RS, Brazil
| | - Mauricio G Camargo
- Programa de Pós-Graduação em Saúde e Meio Ambiente, Institute of Oceanography, Federal University of Rio Grande-FURG, Rio Grande, RS, Brazil
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Sampieri BR, Vieira PE, Teixeira MAL, Seixas VC, Pagliosa PR, Amaral ACZ, Costa FO. Molecular diversity within the genus Laeonereis (Annelida, Nereididae) along the west Atlantic coast: paving the way for integrative taxonomy. PeerJ 2021; 9:e11364. [PMID: 34123584 PMCID: PMC8164838 DOI: 10.7717/peerj.11364] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Accepted: 04/07/2021] [Indexed: 11/20/2022] Open
Abstract
The polychaete genus Laeonereis (Annelida, Nereididae) occurs over a broad geographic range and extends nearly across the entire Atlantic coast of America, from the USA to Uruguay. Despite the research efforts to clarify its diversity and systematics, mostly by morphological and ecological evidence, there is still uncertainty, mainly concerning the species Laeonereis culveri, which constitutes an old and notorious case of taxonomic ambiguity. Here, we revised the molecular diversity and distribution of Laeonereis species based on a multi-locus approach, including DNA sequence analyses of partial segments of the cytochrome c oxidase subunit I (COI), 16S rRNA, and 28S rRNA genes. We examined Laeonereis specimens collected from 26 sites along the American Atlantic coast from Massachusetts (USA) to Mar del Plata (Argentina). Although no comprehensive morphological examination was performed between different populations, the COI barcodes revealed seven highly divergent MOTUs, with a mean K2P genetic distance of 16.9% (from 6.8% to 21.9%), which was confirmed through four clustering algorithms. All MOTUs were geographically segregated, except for MOTUs 6 and 7 from southeastern Brazil, which presented partially overlapping ranges between Rio de Janeiro and São Paulo coast. Sequence data obtained from 16S rRNA and 28S rRNA markers supported the same MOTU delimitation and geographic segregation as those of COI, providing further evidence for the existence of seven deeply divergent lineages within the genus. The extent of genetic divergence between MOTUs observed in our study fits comfortably within the range reported for species of polychaetes, including Nereididae, thus providing a strong indication that they might constitute separate species. These results may therefore pave the way for integrative taxonomic studies, aiming to clarify the taxonomic status of the Laeonereis MOTUs herein reported.
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Affiliation(s)
- Bruno R Sampieri
- Centro de Biologia Molecular e Ambiental, Universidade do Minho, Braga, Portugal.,Museu de Zoologia, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil.,Institute of Science and Innovation for Bio-Sustainability (IB-S), Universidade do Minho, Braga, Portugal
| | - Pedro E Vieira
- Centro de Biologia Molecular e Ambiental, Universidade do Minho, Braga, Portugal.,Institute of Science and Innovation for Bio-Sustainability (IB-S), Universidade do Minho, Braga, Portugal
| | - Marcos A L Teixeira
- Centro de Biologia Molecular e Ambiental, Universidade do Minho, Braga, Portugal.,Institute of Science and Innovation for Bio-Sustainability (IB-S), Universidade do Minho, Braga, Portugal
| | - Victor C Seixas
- Programa de Pós-Graduação em Ecologia, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Paulo R Pagliosa
- Laboratório de Biodiversidade e Conservação Marinha, Universidade Federal de Santa Catarina, Florianopólis, Santa Catarina, Brazil
| | | | - Filipe O Costa
- Centro de Biologia Molecular e Ambiental, Universidade do Minho, Braga, Portugal.,Institute of Science and Innovation for Bio-Sustainability (IB-S), Universidade do Minho, Braga, Portugal
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Moraitis ML, Karakassis I. Assessing large-scale macrobenthic community shifts in the Aegean Sea using novel beta diversity modelling methods. Ramifications on environmental assessment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 734:139504. [PMID: 32464381 DOI: 10.1016/j.scitotenv.2020.139504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 05/15/2020] [Accepted: 05/15/2020] [Indexed: 06/11/2023]
Abstract
The effects of large-scale environmental gradients on the spatial patterns of macrobenthic communities used in marine health assessment were evaluated using beta diversity methods. In this work, beta diversity partitioning and relevant ecological modelling methods revealed clear patterns between the northern and the southern parts of the Aegean Sea (Greece). A community turnover point was observed in the Evoikos Gulf marking the transition between the northern and the southern communities. The increased beta diversity in this work was due to species replacement driven mainly by the latitudinal gradients of bottom temperature and salinity whereas species richness did not present substantial differences between the Aegean macrobenthic communities. These findings are attributed to the ability of beta diversity methods to detect the environmental filtering that occurs in these marine provinces through the assessment of biotic interactions in respect to geographic distance. We propose a new standpoint of using beta diversity measures for benthic environmental assessment on a large spatial scale and in marine areas characterised by environmental gradients.
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Affiliation(s)
- Manos L Moraitis
- Marine Ecology Laboratory, Department of Biology, University of Crete, PO Box 2208, GR 70013 Heraklion, Greece.
| | - Ioannis Karakassis
- Marine Ecology Laboratory, Department of Biology, University of Crete, PO Box 2208, GR 70013 Heraklion, Greece
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Campos BGD, Moreira LB, Pauly GDFE, Cruz ACF, Monte CDN, Dias da Silva LI, Rodrigues APDC, Machado W, Abessa DMDS. Integrating multiple lines of evidence of sediment quality in a tropical bay (Guanabara Bay, Brazil). MARINE POLLUTION BULLETIN 2019; 146:925-934. [PMID: 31426239 DOI: 10.1016/j.marpolbul.2019.07.051] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 07/16/2019] [Accepted: 07/22/2019] [Indexed: 06/10/2023]
Abstract
The present study evaluated the ecological risk of metal contamination in sediments of Guanabara Bay (GB) by combining multiple lines of evidence (LOEs). Chemical analysis and a set of whole-sediment toxicity assays were conducted with Tiburonella viscana, Kalliapseudes schubartii, Anomalocardia flexuosa, and Nitocra sp. Results were integrated by multivariate analysis and qualitative methods. Additionally, a whole-sediment Toxicity Identification Evaluation technique (TIE) was applied to identify the chemical groups responsible for the effects. Sediments from harbor and industrial areas exhibited toxicity linked to moderate to high concentrations of Zn, Pb, Cu and Cr. The TIE technique confirmed such effects, but it also indicates the contribution of ammonia and organic compounds to the observed toxicity. Our results demonstrate that the combination of multiple LOEs improves the effectiveness of environmental risk assessment of chemical stressors and management of coastal ecosystems in tropical regions.
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Affiliation(s)
- Bruno Galvão de Campos
- São Paulo State University (UNESP), Praça Infante Dom Henrique, s/n, 11330-900 São Vicente, São Paulo, Brazil.
| | - Lucas Buruaem Moreira
- São Paulo State University (UNESP), Praça Infante Dom Henrique, s/n, 11330-900 São Vicente, São Paulo, Brazil
| | | | - Ana Carolina Feitosa Cruz
- São Paulo State University (UNESP), Praça Infante Dom Henrique, s/n, 11330-900 São Vicente, São Paulo, Brazil
| | - Christiane do Nascimento Monte
- Fluminense Federal University (UFF), Program of Geochemistry, Department of Geochemistry, 24020-141 Niterói, Rio de Janeiro, Brazil; West Pará State Federal University (UFOPA), Engineering and Geosciences Institute, 68040-255 Santarém, Pará, Brazil
| | - Lílian Irene Dias da Silva
- Mineral Analysis Coordination, Center of Mineral Technology (CETEM), Av. Pedro Calmon, 900, Cidade Universitária, 21941-908 Rio de Janeiro, RJ, Brazil
| | - Ana Paula de Castro Rodrigues
- Fluminense Federal University (UFF), Program of Geochemistry, Department of Geochemistry, 24020-141 Niterói, Rio de Janeiro, Brazil; Rio de Janeiro Federal University (UFRJ), Health Science Center, Av. Carlos Chagas Filho, 373, Cidade Universitária, 24020141m Rio de Janeiro, RJ, Brazil
| | - Wilson Machado
- Fluminense Federal University (UFF), Program of Geochemistry, Department of Geochemistry, 24020-141 Niterói, Rio de Janeiro, Brazil
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Faria LCD, Di Domenico M, Andrade SCS, Santos MCD, Fonseca G, Zanol J, Amaral ACZ. The use of metabarcoding for meiofauna ecological patterns assessment. MARINE ENVIRONMENTAL RESEARCH 2018; 140:160-168. [PMID: 29933903 DOI: 10.1016/j.marenvres.2018.06.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2018] [Revised: 06/03/2018] [Accepted: 06/13/2018] [Indexed: 06/08/2023]
Abstract
Marine meiofauna comprises up to 22 phyla. Its morphological identification requires time and taxonomists' expertise, and molecular tools can make this task faster. We aim to disentangle meiofaunal diversity patterns at Araçá Bay by applying a model selection approach and estimating the effectiveness of metabarcoding (18S rDNA) and morphological methods for estimating the response of meiofauna diversity in small-scale interactions with environmental variables. A rarefaction curve indicated that ten samples were sufficient for estimating the total number of meiofauna OTUs in a tidal flat. In both approaches, richness was predicted by mean sand percentage, sediment sorting, and bacteria concentration. Nematode genera composition differed significantly between approaches, the result of taxonomic mismatch in the genetic database. The similarity between the model selected for diversity descriptors, the richness of nematode genera and meiofauna composition emphasized the utility of predictive models for metabarcoding estimates to detect small-scale interactions of these organisms.
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Affiliation(s)
- Laiza Cabral de Faria
- Centro de Estudos do Mar, Universidade Federal do Paraná, Av. Beira-Mar, s/n, Pontal do Sul, PO Box 61, Pontal do Paraná, PR, Zip Code 83255-976, Brazil
| | - Maikon Di Domenico
- Centro de Estudos do Mar, Universidade Federal do Paraná, Av. Beira-Mar, s/n, Pontal do Sul, PO Box 61, Pontal do Paraná, PR, Zip Code 83255-976, Brazil.
| | - Sónia C S Andrade
- Departamento de Genética e Biologia Evolutiva, Universidade de São Paulo, Cidade Universitária, Rua do Matão 277, Zip Code 05508-090, São Paulo, SP, Brazil
| | - Monique Cristina Dos Santos
- Departamento de Zoologia, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373 CCS, Bloco A, Sala A0-108, Cidade Universitária, Rio de Janeiro, RJ, 21941-599, Brazil
| | - Gustavo Fonseca
- Instituto do Mar. Universidade Federal de São Paulo, Rua Carvalho de Mendonça 144, Santos, SP, 11070-100, Brazil
| | - Joana Zanol
- Departamento de Zoologia, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373 CCS, Bloco A, Sala A0-108, Cidade Universitária, Rio de Janeiro, RJ, 21941-599, Brazil; Campus Duque de Caxias, Universidade Federal do Rio de Janeiro, Estr. de Xerém, 27, Duque de Caxias, RJ, Brazil
| | - A Cecilia Z Amaral
- Departamento de Biologia Animal, Universidade Estadual de Campinas Cidade Universitária, Rua Monteiro Lobato, 255, Campinas, SP, 13083-862, Brazil
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