GEMET
General
Multilingual
Environmental
Thesaurus
oligosustancias y residuos
Definition

1) Both metals and non-metals, essential for the metabolic processes of algae, invertebrates and vertebrates. Organisms that derive nearly all their energy via photosynthesis are especially dependent upon dissolved trace substances. 2) Impurities that are present at small but detectable levels.

Definition is not available for the current language.

Related terms
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Other relations
Scope note

Scope note is not available.

Concept URL: http://www.eionet.europa.eu/gemet/concept/8556