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Main Authors: Conradi, Mercedes, Maguilla, María, Sánchez-Moyano, J Emilio, Cunha, Marta, Pereira, Camilo Dias Seabra, Freitas, Rosa
Format: Artículo científico
Language:en
Published: Marine environmental research 2026
Subjects:
Online Access:https://pubmed.ncbi.nlm.nih.gov/41762525/
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author Conradi, Mercedes
Maguilla, María
Sánchez-Moyano, J Emilio
Cunha, Marta
Pereira, Camilo Dias Seabra
Freitas, Rosa
author_facet Conradi, Mercedes
Maguilla, María
Sánchez-Moyano, J Emilio
Cunha, Marta
Pereira, Camilo Dias Seabra
Freitas, Rosa
Conradi, Mercedes
Maguilla, María
Sánchez-Moyano, J Emilio
Cunha, Marta
Pereira, Camilo Dias Seabra
Freitas, Rosa
collection PubMed - marine biology
contents Running on empty: Diesel-Contaminated sediments impair feeding and behaviour in the marine gastropod Tritia neritea. Conradi, Mercedes Maguilla, María Sánchez-Moyano, J Emilio Cunha, Marta Pereira, Camilo Dias Seabra Freitas, Rosa Animals Geologic Sediments Water Pollutants, Chemical Gasoline Gastropoda Feeding Behavior Environmental Monitoring Behavior, Animal Polycyclic Aromatic Hydrocarbons Diesel contamination is a pervasive threat to coastal ecosystems, yet the sublethal behavioural effects on benthic invertebrates remain poorly understood. We exposed the marine gastropod Tritia neritea to sediments spiked with two diesel concentrations (DIE-1: 1.4 × 10 ng/g; DIE-2: 3.5 × 10 ng/g) over 28 days to assess survival, foraging, predator-avoidance, burrowing, and biochemical responses. Diesel addition led to initial contamination dominated by heavy hydrocarbons, BTEX compounds, and naphthalene, with DIE-2 exceeding sediment quality guideline thresholds. Hydrocarbon concentrations declined sharply (>96% for C-C, >97% for LMW PAHs) over the experiment, reducing TEQ and MEQ values by > 99%. Despite chemical remediation, snails exposed to DIE-2 exhibited reduced survival (79 ± 7.5%), impaired foraging success (
format Artículo científico
id pubmed_41762525
institution PubMed
language en
publishDate 2026
publisher Marine environmental research
record_format pubmed
spellingShingle Running on empty: Diesel-Contaminated sediments impair feeding and behaviour in the marine gastropod Tritia neritea.
Conradi, Mercedes
Maguilla, María
Sánchez-Moyano, J Emilio
Cunha, Marta
Pereira, Camilo Dias Seabra
Freitas, Rosa
Animals
Geologic Sediments
Water Pollutants, Chemical
Gasoline
Gastropoda
Feeding Behavior
Environmental Monitoring
Behavior, Animal
Polycyclic Aromatic Hydrocarbons
Running on empty: Diesel-Contaminated sediments impair feeding and behaviour in the marine gastropod Tritia neritea. Conradi, Mercedes Maguilla, María Sánchez-Moyano, J Emilio Cunha, Marta Pereira, Camilo Dias Seabra Freitas, Rosa Animals Geologic Sediments Water Pollutants, Chemical Gasoline Gastropoda Feeding Behavior Environmental Monitoring Behavior, Animal Polycyclic Aromatic Hydrocarbons Diesel contamination is a pervasive threat to coastal ecosystems, yet the sublethal behavioural effects on benthic invertebrates remain poorly understood. We exposed the marine gastropod Tritia neritea to sediments spiked with two diesel concentrations (DIE-1: 1.4 × 10 ng/g; DIE-2: 3.5 × 10 ng/g) over 28 days to assess survival, foraging, predator-avoidance, burrowing, and biochemical responses. Diesel addition led to initial contamination dominated by heavy hydrocarbons, BTEX compounds, and naphthalene, with DIE-2 exceeding sediment quality guideline thresholds. Hydrocarbon concentrations declined sharply (>96% for C-C, >97% for LMW PAHs) over the experiment, reducing TEQ and MEQ values by > 99%. Despite chemical remediation, snails exposed to DIE-2 exhibited reduced survival (79 ± 7.5%), impaired foraging success (
title Running on empty: Diesel-Contaminated sediments impair feeding and behaviour in the marine gastropod Tritia neritea.
topic Animals
Geologic Sediments
Water Pollutants, Chemical
Gasoline
Gastropoda
Feeding Behavior
Environmental Monitoring
Behavior, Animal
Polycyclic Aromatic Hydrocarbons
url https://pubmed.ncbi.nlm.nih.gov/41762525/