Use of multispecies (Nannochloropsis oceanica, Artemia franciscana, and Arbacia nigra) approach to assess the quality of marine water from Callao Bay, Peru
Abstract Multi-species tests in bioassays offer a holistic view of the ecosystem’s response to toxicity, as different species display varying sensitivities to pollutants. This research aimed to assess the ability of toxicity tests’ to distinguish contamination levels, examine site-specific effects,...
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Nature Portfolio
2025-01-01
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| Online Access: | https://doi.org/10.1038/s41598-024-85025-4 |
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| author | Lorena Alvariño Luz Castañeda Grober Panduro Thiago Machado da Silva Acioly Diego Carvalho Viana José Iannacone |
| author_facet | Lorena Alvariño Luz Castañeda Grober Panduro Thiago Machado da Silva Acioly Diego Carvalho Viana José Iannacone |
| author_sort | Lorena Alvariño |
| collection | DOAJ |
| description | Abstract Multi-species tests in bioassays offer a holistic view of the ecosystem’s response to toxicity, as different species display varying sensitivities to pollutants. This research aimed to assess the ability of toxicity tests’ to distinguish contamination levels, examine site-specific effects, and investigate seasonal variability. Using a multispecies approach (Nannochloropsis oceanica, Artemia franciscana, and Arbacia nigra), bioassays evaluated marine water quality from Callao Bay in Peru across four sampling areas (Naval School: PA1, Peruvian Marine Institute: PA2, Callao Pier: PA3, and San Lorenzo Island: PA4). These species, with varying sizes and morphologies, are relevant to marine systems and ideal for multispecies toxicity testing, contributing to broader environmental impact discussions. To conduct toxicity bioassays, seasonal evaluations were performed in fall, winter, spring, and summer. Brine shrimp displayed seasonal variations in toxicity values, with notable mortality rates during winter. Nannochloropsis oceanica was the most sensitive species, showing moderate toxicity across seasons. Areas impacted by pollution sources, such as wastewater and maritime traffic, exhibited the highest toxicity levels (PA3 and PA4). These fluctuations underscore the need to consider seasonal and local conditions when assessing organism sensitivity to seawater contaminants. Additionally, they reveal the complex interplay between environmental factors, water quality, and organism responses in marine ecosystems. |
| format | Article |
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| issn | 2045-2322 |
| language | English |
| publishDate | 2025-01-01 |
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| spelling | doaj-art-3e6a42e2e99c480fa2014811d79269cf2025-08-20T02:36:34ZengNature PortfolioScientific Reports2045-23222025-01-0115111310.1038/s41598-024-85025-4Use of multispecies (Nannochloropsis oceanica, Artemia franciscana, and Arbacia nigra) approach to assess the quality of marine water from Callao Bay, PeruLorena Alvariño0Luz Castañeda1Grober Panduro2Thiago Machado da Silva Acioly3Diego Carvalho Viana4José Iannacone5Animal Ecology and Biodiversity Laboratory (LEBA), Facultad de Ciencias Naturales y Matemática, Grupo de Investigación en Sostenibilidad Ambiental (GISA), Escuela Universitaria de Posgrado, Universidad Nacional Federico VillarrealAnimal Ecology and Biodiversity Laboratory (LEBA), Facultad de Ciencias Naturales y Matemática, Grupo de Investigación en Sostenibilidad Ambiental (GISA), Escuela Universitaria de Posgrado, Universidad Nacional Federico VillarrealFacultad de Ciencias Forestales y Ambientales, Departamento de Conservación de Recursos Naturales, Universidad Nacional de UcayaliMulti-User Laboratories in Postgraduate Research (LAMP), State University of MaranhãoMulti-User Laboratories in Postgraduate Research (LAMP), State University of MaranhãoAnimal Ecology and Biodiversity Laboratory (LEBA), Universidad Nacional Federico VillarrealAbstract Multi-species tests in bioassays offer a holistic view of the ecosystem’s response to toxicity, as different species display varying sensitivities to pollutants. This research aimed to assess the ability of toxicity tests’ to distinguish contamination levels, examine site-specific effects, and investigate seasonal variability. Using a multispecies approach (Nannochloropsis oceanica, Artemia franciscana, and Arbacia nigra), bioassays evaluated marine water quality from Callao Bay in Peru across four sampling areas (Naval School: PA1, Peruvian Marine Institute: PA2, Callao Pier: PA3, and San Lorenzo Island: PA4). These species, with varying sizes and morphologies, are relevant to marine systems and ideal for multispecies toxicity testing, contributing to broader environmental impact discussions. To conduct toxicity bioassays, seasonal evaluations were performed in fall, winter, spring, and summer. Brine shrimp displayed seasonal variations in toxicity values, with notable mortality rates during winter. Nannochloropsis oceanica was the most sensitive species, showing moderate toxicity across seasons. Areas impacted by pollution sources, such as wastewater and maritime traffic, exhibited the highest toxicity levels (PA3 and PA4). These fluctuations underscore the need to consider seasonal and local conditions when assessing organism sensitivity to seawater contaminants. Additionally, they reveal the complex interplay between environmental factors, water quality, and organism responses in marine ecosystems.https://doi.org/10.1038/s41598-024-85025-4Acute bioassayAquatic toxicityEcotoxicologyHeavy metalsPollution |
| spellingShingle | Lorena Alvariño Luz Castañeda Grober Panduro Thiago Machado da Silva Acioly Diego Carvalho Viana José Iannacone Use of multispecies (Nannochloropsis oceanica, Artemia franciscana, and Arbacia nigra) approach to assess the quality of marine water from Callao Bay, Peru Scientific Reports Acute bioassay Aquatic toxicity Ecotoxicology Heavy metals Pollution |
| title | Use of multispecies (Nannochloropsis oceanica, Artemia franciscana, and Arbacia nigra) approach to assess the quality of marine water from Callao Bay, Peru |
| title_full | Use of multispecies (Nannochloropsis oceanica, Artemia franciscana, and Arbacia nigra) approach to assess the quality of marine water from Callao Bay, Peru |
| title_fullStr | Use of multispecies (Nannochloropsis oceanica, Artemia franciscana, and Arbacia nigra) approach to assess the quality of marine water from Callao Bay, Peru |
| title_full_unstemmed | Use of multispecies (Nannochloropsis oceanica, Artemia franciscana, and Arbacia nigra) approach to assess the quality of marine water from Callao Bay, Peru |
| title_short | Use of multispecies (Nannochloropsis oceanica, Artemia franciscana, and Arbacia nigra) approach to assess the quality of marine water from Callao Bay, Peru |
| title_sort | use of multispecies nannochloropsis oceanica artemia franciscana and arbacia nigra approach to assess the quality of marine water from callao bay peru |
| topic | Acute bioassay Aquatic toxicity Ecotoxicology Heavy metals Pollution |
| url | https://doi.org/10.1038/s41598-024-85025-4 |
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