Article (Scientific journals)
Effects of trace elements contaminations on the larval development of Paracentrotus lividus using an innovative experimental approach
El Idrissi, Ouafa; Gobert, Sylvie; Delmas, A. et al.
2022In Aquatic Toxicology, 246, p. 106152
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Keywords :
Health, Toxicology and Mutagenesis; Aquatic Science; Trace elements
Abstract :
[en] Several experiments were performed using larvae of Paracentrotus lividus (Lamarck, 1816) in order to determine the consequences of different chronic contamination with mixtures of (i) fifteen trace elements from concentrations measured in the world ocean seawater, and (ii) seven trace elements from contamination resulting from mining. To predict the impact of increased marine pollution, higher concentrations were also used. These bioassays were conducted using spawners collected from Calvi (reference site, Corsica), and Albo (mining area, Corsica). The effects of trace elements have been studied on the entire larval development. The results show wider arms and delayed development as the number and concentration of trace elements increases. Therefore, the synergy between the different trace elements is of paramount importance with regard to the impact on organisms. Probably due to a hormesis phenomenon, larvae contaminated with seven trace elements at averageconcentrations developed more quickly. This work also highlighted the importance of the origin of spawners inecotoxicological studies. To our knowledge, this is the first study to investigate the effects of such a broad combination of trace elements for chronic contamination on the entire larval stage of Paracentrotus lividus.
Research center :
FOCUS - Freshwater and OCeanic science Unit of reSearch - ULiège
STARESO
Disciplines :
Environmental sciences & ecology
Aquatic sciences & oceanology
Animal production & animal husbandry
Author, co-author :
El Idrissi, Ouafa  ;  Université de Liège - ULiège > Freshwater and OCeanic science Unit of reSearch (FOCUS)
Gobert, Sylvie  ;  Université de Liège - ULiège > Freshwater and OCeanic science Unit of reSearch (FOCUS)
Delmas, A.
Demolliens, M.
Aiello, A.
Pasqualini, V.
Ternengo, S.
Language :
English
Title :
Effects of trace elements contaminations on the larval development of Paracentrotus lividus using an innovative experimental approach
Publication date :
May 2022
Journal title :
Aquatic Toxicology
ISSN :
0166-445X
eISSN :
1879-1514
Publisher :
Elsevier BV
Volume :
246
Pages :
106152
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 15 April 2022

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