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Concept: trace material in the concept vocabulary

Concept URI http://www.eionet.europa.eu/gemet/concept/8556
Preferred label trace material
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.
Notation
Status Valid
Status Modified 2013-12-05
Accepted Date 2013-12-05
Not Accepted Date
Has broader
Has close match
Source