Occurrence of rare earth elements (REEs) and trace elements (TEs) in feathers of adult and young Gentoo penguins from King George Island, Antarctica

Espejo, Winfred; Chiang, Gustavo; Kitamura, Daiki; Kashiwada, Shosaku; O’Driscoll, Nelson J.; Celis, José E.

doi:10.1016/j.marpolbul.2023.114575

Cited by 5 publications

(3 citation statements)

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Section: Bioavailability Bioaccumulation and Biomagnificationmentioning

confidence: 99%

“…If a net accumulation of a contaminant in an organism from all possible intake routes, including water, air, and diet, occurs, the contaminant bioaccumulates in the organism (Chapman et al., 1996). In recent years, some studies have assessed the bioavailability and bioaccumulation of REEs, yielding variable results (Brito et al., 2021; Espejo et al., 2023; Orani et al., 2022; Paper et al., 2023; P. Zhao et al., 2022). Many factors influence the observed variability, and it is important to consider that each study compares the REE content in a specific group of organisms to a different environmental compartment, such as water or sediments/soils.…”

Section: Anthropogenic Impacts On Ree Distributionmentioning

confidence: 99%

“…REE are found in organisms across various kingdoms, including Animalia, Plantae, Fungi, Protista, Bacteria, and Monera (Barrat et al., 2022; Brito et al., 2021; Chistoserdova, 2016; de Sena et al., 2022; Espejo et al., 2023; Liang & Shen, 2022; Marginson et al., 2023; Merschel & Bau, 2015; Ponnurangam et al., 2016; Santos et al., 2023; Zocher et al., 2018). With the increase in anthropogenic activities, the input of REEs into the environment has risen, making it crucial to understand the processes that regulate their uptake by organisms and transfer across the food web.…”

Section: Anthropogenic Impacts On Ree Distributionmentioning

confidence: 99%

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The Global Biogeochemical Cycle of the Rare Earth Elements

Hatje,

Schijf,

Johannesson

et al. 2024

Global Biogeochemical Cycles

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To improve our understanding and guide future studies and applications, we review the biogeochemistry of the rare earth elements (REE). The REEs, which form a chemically uniform group due to their nearly identical physicochemical properties, include the lanthanide series elements plus scandium (Sc) and yttrium (Y). These elements, in conjunction with the neodymium isotopes, are powerful tools for understanding key oceanic, terrestrial, biological and even anthropogenic processes. Furthermore, their unique properties render them essential for various technological processes and products. Here, we delve into the characteristics of REE biogeochemistry and discuss normalization procedures and REE anomalies. We also examine the aqueous speciation of REEs, contributing to a better understanding of their behavior in aquatic settings, including the role of neodymium isotopes. We then focus on their environmental distribution, fractionation, and controlling processes in different environmental systems across the land‐ocean continuum. In addition, we analyze sinks, sources, and the mobility of REEs, providing insights into their behavior in these environments. We further investigate the sources of anthropogenic REEs and their bioavailability, bioaccumulation, and transfer along food webs. We also explore the potential effects of climate change on the cycling, mobility and bioavailability of REEs, underlining the importance of current research in this evolving field. In summary, we provide a comprehensive review of REE behavior in the environment, from their properties and roles to their distribution and anthropogenic impacts, offering valuable insights and pinpointing key knowledge gaps.

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