@article{fdi:010080915, title = {{E}ffects of nickel oxide nanoparticles on survival, reproduction, and oxidative stress biomarkers in the marine calanoid copepod {C}entropages ponticus under short-term exposure}, author = {{D}jebbi, {E}. and {B}onnet, {D}. and {P}ringault, {O}livier and {T}lili, {K}. and {Y}ahia, {M}. {N}. {D}.}, editor = {}, language = {{ENG}}, abstract = {{E}xcessive use of nickel oxide nanoparticles ({N}i{O} {NP}s) in various industrial and commercial products can lead to various negative effects in human and environmental health due to their possible discharge into the environment. {N}erveless, information about their ecotoxicological effects on marine organisms are lacking. {C}opepods are good ecotoxicological models because of their high sensitivity to environmental stress and their key role in the marine food webs. {I}n this study, 48 h acute tests were conducted on the marine planktonic copepod {C}entropages ponticus to assess lethal and sublethal toxicities of {N}i{O} {NP}s. {T}he results revealed {LC}50 (48 h) of 4 mg/{L} for adult females. {A}ggregation and settling of {N}i{O} {NP}s were observed at concentrations >= 2 mg/{L}. {E}xposure to sublethal concentrations (>= 0.02 mg/{L} for 48 h) had significant negative effects on reproductive success in {C}. ponticus. {E}gg production after 24 h and 48 h decreased by 32% and 46%, respectively at 0.02 mg/{L} and 70% and 82%, respectively, at 2 mg/{L}. {H}atching success was reduced by 70% and 79% at 2 mg/{L} for eggs produced after 24 h and 48 h respectively. {A}ntioxidant enzymatic activity increased significantly with {N}i{O} {NP} concentration and time, indicating that {N}i{O} {NP}s can cause oxidative stress in {C}. ponticus even under short-term exposure, while significant inhibition of acetylcholinesterase activity at 2 mg/{L} after 48 h suggests neurotoxic effects of {N}i{O} {NP}s.}, keywords = {{M}etal oxide nanoparticle ; {C}opepods ; {A}cute toxicity test ; {E}gg production ; {E}gg hatching success ; {A}ntioxidant enzymes ; {TUNISIE} ; {MEDITERRANEE} ; {BIZERTE} {LAGUNE}}, booktitle = {}, journal = {{E}nvironmental {S}cience and {P}ollution {R}esearch}, volume = {28}, numero = {17}, pages = {21978--21990}, ISSN = {0944-1344}, year = {2021}, DOI = {10.1007/s11356-020-11781-1}, URL = {https://www.documentation.ird.fr/hor/fdi:010080915}, }