TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

keystone species [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2017-02-08

English

Subject field(s)
  • Ecology (General)
  • Zoology
  • Botany
DEF

A species that plays a fundamental role in maintaining the plants and animals in an ecosystem.

CONT

Keystone species: Species who enrich ecosystem function in a unique and significant manner through their activities, and the effect is disproportionate to their numerical abundance. Their removal initiates changes in ecosystem structure and often loss of diversity.

French

Domaine(s)
  • Écologie (Généralités)
  • Zoologie
  • Botanique
DEF

Espèce dont la présence est indispensable à l'existence même d'un écosystème, non pas par son effectif mais par l'action qu'elle exerce sur les comportements [ou] effectifs des autres espèces qui composent le système.

OBS

espèce clé de voûte; espèce clef de voûte : termes publiés au Journal officiel de la République française le 18 août 2015.

Key term(s)
  • espèce clef

Spanish

Save record 1

Copyright notice for the TERMIUM Plus® data bank

© Public Services and Procurement Canada, 2024
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau

Display options

Change the order of display of the official languages of Canada
Option to display the non-official languages (Spanish or Portuguese)
Display definitions, contexts, etc., on records

Features

Language Portal of Canada

Access a collection of Canadian resources on all aspects of English and French, including quizzes.

Writing tools

The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.

Glossaries and vocabularies

Access Translation Bureau glossaries and vocabularies.

Date Modified: