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- W3019046422 endingPage "114662" @default.
- W3019046422 startingPage "114662" @default.
- W3019046422 abstract "The New Zealand arrow squids, Nototodarus gouldi and N. sloanii, play an important role in the marine food web, and are both economically important fishery species. This study compares trace element concentrations (As, Cd, Co, Cr, Cu, Fe, Hg, Ni, Mn, Pb, U, and Zn) in these animals from different fishing locations within New Zealand's Exclusive Economic Zone (Auckland Islands, Chatham Rise, Dunedin, Golden Bay, Taranaki, and West Coast of the South Island). Muscular mantle (the tissue usually consumed by humans) and digestive gland tissue (the primary organ for trace element accumulation) concentrations were compared among regions, revealing size, species, and sampling location effects. Overall, N. gouldi had higher concentrations of As and Zn. The Taranaki region had the highest concentrations for Cd, Co, Cu, and Zn in both tissues analysed. To assess the bioaccessibility of these trace elements to humans, an in-vitro digestion simulation experiment was conducted, revealing bioavailable concentrations overall below the maximum levels presently considered tolerable for human consumption. However, the in-vitro digestion had no observable effect upon Cd concentrations in arrow squid mantle tissue (implying that the measured concentrations are bioaccessible to humans), and revealed that Cd had the highest potential impact on marine food webs and human health. Digestive gland concentrations in particular indicate that arrow squids can be considered important vectors for trace element transfer to top predators (mean concentration for Cd: 123 ± 148 μg g-1 dw), with region-specific differences." @default.
- W3019046422 created "2020-05-01" @default.
- W3019046422 creator A5004214353 @default.
- W3019046422 creator A5035411934 @default.
- W3019046422 creator A5065070834 @default.
- W3019046422 creator A5079755506 @default.
- W3019046422 creator A5081939597 @default.
- W3019046422 creator A5082810247 @default.
- W3019046422 creator A5091657694 @default.
- W3019046422 date "2020-09-01" @default.
- W3019046422 modified "2023-10-17" @default.
- W3019046422 title "Regional assessment of trace element concentrations in arrow squids (Nototodarus gouldi, N. sloanii) from New Zealand waters: Bioaccessibility and impact on food web and human consumers" @default.
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