Skip to main content
An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

NALT Concept Space
U.S. Department of Agriculture

NALT Full

Concept information

  1. Fields of Study
  2. hydrology
  3. aquatic zones
  4. euphotic zone
  1. Natural Resources, Conservation, Environment
  2. hydrology
  3. aquatic zones
  4. euphotic zone

Preferred term

euphotic zone

Type

  • Topic

Definition

  • Information Surface layer of a body of water where sufficient light penetrates to allow photosynthesis to occur, down to the depth at which the light intensity falls to 1% of incident light.

    Source: NAL Thesaurus Staff

    Type: Concept definition

Broader concept

Related concepts

Synonyms

  • limnetic zone
  • photic zone

In other languages

URI

https://lod.nal.usda.gov/nalt/69

Download this concept:

RDF/XML TURTLE JSON-LD Created 1/19/06, last modified 11/30/12