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. water
  4. ballast water
  1. Natural Resources, Conservation, Environment
  2. hydrology
  3. water
  4. ballast water

Preferred term

ballast water

Type

  • Topic

Definition

  • Information Fresh or salt water taken in and released by ships to improve their stability. Organisms transported from one port to another may become invasive species (pests).

    Source: NAL Thesaurus Staff

    Type: Concept definition

Broader concept

Related concepts

In other languages

URI

https://lod.nal.usda.gov/nalt/68830

Download this concept:

RDF/XML TURTLE JSON-LD Created 11/1/06, last modified 6/7/19