Trophic Transfer and Toxic Potency of Rare Earth Elements along a Terrestrial Plant–Herbivore Food Chain
Wenxing Li,
Hao Qiu,
Cornelis A. M. van Gestel
et al.
Abstract:Extensive rare earth element (REE) mining activities have caused REE contamination of ambient agricultural soils, posing threats to associated food webs. Here, a simulated lettuce−snail food chain was conducted to evaluate the trophic transfer characteristics and the consequent effects of REEs on consumers. After 50-day exposure to soil, lettuce roots dosedependently accumulated 9.4−76 mg kg −1 REEs and translocated 3.7−20 mg kg −1 REEs to shoots. Snails feeding on REEcontaminated shoots accumulated 3.0−6.7 mg… Show more
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