Nutrient cycling

The exchange of elements or compounds essential for the nourishment of organisms in an ecosystem.
This category is also used for nutrient balance.
Food web (1 items)
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Linking geology and health sciences to assess childhood lead poisoning from artisanal gold mining in Nigeria

Approximately 400 young children have died and thousands more are affected. This study clarifies lead sources and exposure pathways, identifies other toxicants of concern and people at risk, and examines potential for similar lead poisoning globally.