TERMIUM Plus®

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PULLULATION [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2012-04-23

English

Subject field(s)
  • Ecology (General)
DEF

A rapid major increase in animal population which is not of a periodic or a cyclic nature.

OBS

irruption: This term is used to describe an abrupt increase in the number of a species without negative effect.

French

Domaine(s)
  • Écologie (Généralités)
DEF

Explosion de la population d'une espèce.

OBS

pullulation : Ce terme, comparativement au terme anglais «irruption», désigne une explosion démographique qui peut, sans distinction, avoir un effet négatif ou non pour l'environnement dans lequel elle se produit.

OBS

irruption : Ce terme sert à désigner, de façon plus spécifique, l'apparition soudaine d'individus d'une espèce dans une région où cette espèce est inhabituelle, et ce, sans effets négatifs sur les populations locales.

Spanish

Campo(s) temático(s)
  • Ecología (Generalidades)
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Record 2 2005-08-10

English

Subject field(s)
  • Ecology (General)
DEF

A sudden increase in the population of a species (especially a pest species).

CONT

Under certain conditions, insects may attack a very large number of trees over a wide area. This is known as an outbreak. An outbreak often occurs in a vulnerable or ageing forest. An outbreak is more likely to occur in large stands of the same vulnerable species when populations of insect predators are too small.

OBS

outbreak: An outbreak generally relates to a negative event (pest outbreak); otherwise the term "irruption" is used to describe an abrupt increase in the number of a species.

PHR

Pest, animal, plant outbreak.

French

Domaine(s)
  • Écologie (Généralités)
DEF

Explosion de la population d'une espèce.

CONT

[...] la pullulation, c'est l'agrégation de plusieurs centaines ou milliers d'individus qui persistent à forte densité pendant des mois voire des années [...

OBS

Le terme pullulation, contrairement au terme anglais «outbreak», désigne une explosion démographique qui peut, sans distinction, avoir un effet négatif ou non pour l'environnement dans lequel elle se produit.

Spanish

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