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NAL Agricultural Thesaurus
U.S. Department of Agriculture
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Concept Breadcrumbs

Fields of Study > ecology > trophic relationships > food webs > trophic levels
Natural Resources, Conservation, Environment > ecology > trophic relationships > food webs > trophic levels
Preferred Term:

trophic levels

Definition:
A description of community structure based on the relationship between the production, consumption, and decomposition of energy (food) by organisms. Primary producers such as algae, herbivores such as deer, and carnivores such as wolves represent three different trophic levels.
Concept Schemes:
NALT Full
Broader Concept:
food webs
Related Concepts:
URI:
https://lod.nal.usda.gov/nalt/188907
Download this Concept:
RDF/XMLCreated 2012-07-17, last modified 2018-05-10