TERMIUM Plus®

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

EXTIRPATED POPULATION [6 records]

Record 1 2023-05-19

English

Subject field(s)
  • Aquaculture
  • Ecosystems
  • Environmental Management
  • Fish
CONT

There have been no artificial stocking programs for Atlantic sturgeon since the [threatened or endangered species] listings. While it is possible that these could be a tool for recovery in the future, there is no apparent need for these programs... because current evidence suggests that remnant, albeit very small, populations may exist in rivers where Atlantic sturgeon were previously believed to be extirpated. In addition, it is uncertain whether an artificial stock would establish in a non-natal river. For example, genetic analyses of adult sturgeon captured in [one river] indicates that the fish are a remnant of the historical spawning population and are not the sturgeon or the progeny of the sturgeon that were introduced to the [same river].

French

Domaine(s)
  • Aquaculture
  • Écosystèmes
  • Gestion environnementale
  • Poissons

Spanish

Save record 1

Record 2 2023-03-30

English

Subject field(s)
  • Ecology (General)
  • Oceanography
CONT

Population status refers to the current state of the population and considers factors such as abundance, age and sex structure, and health (i.e., nutritional and physiological condition).

CONT

The population status of Walleye of Tathlina Lake appears to have improved between 2001 and 2007. The mean size (length and weight) of Walleye and age of Walleye has increased, while the increase in catch-per-unit effort of and proportion of Walleye in the total catch suggests an increase in Walleye biomass in the lake. The presence of the strong 1997 year class that reached sexual maturity in 2003 was left to spawn multiple times without considerable harvest has likely helped improve the status of the population.

OBS

population status: term in use at Fisheries and Oceans Canada.

OBS

Fisheries and Oceans Canada describes the population status as either poor, fair, good, unknown or extirpated.

French

Domaine(s)
  • Écologie (Généralités)
  • Océanographie
OBS

état de la population : terme en usage à Pêches et Océans Canada.

OBS

Les catégories utilisées par le ministère des Pêches et des Océans du Canada pour décrire l'état d'une population sont : mauvais, passable, bon, inconnu et disparu.

Spanish

Save record 2

Record 3 2020-05-28

English

Subject field(s)
  • Ecology (General)
CONT

Univariate habitat differences among redside dace population status groups were evident; with the greatest contrasts between stable and extirpated populations... In comparison to extirpated populations, greater amounts of fine sediment, shallow pool and glide habitats, instream cover, riparian grasses, and vulnerable banks were measured at stable sites.

French

Domaine(s)
  • Écologie (Généralités)

Spanish

Save record 3

Record 4 1993-11-16

English

Subject field(s)
  • Environmental Management
OBS

Reintroduction : Introduction of native fauna or flora for the purpose of re-establishing a population previously extirpated by the action of man.

OBS

Term used by Parks Canada.

French

Domaine(s)
  • Gestion environnementale
OBS

Réintroduction : Introduction d'une espèce animale ou végétale indigène afin de rétablir une population que l'action de l'homme a auparavant fait disparaître.

OBS

Terme en usage à Parcs Canada.

Spanish

Save record 4

Record 5 1993-11-16

English

Subject field(s)
  • Environmental Management
DEF

The introduction of native fauna or flora for the purpose of re-establishing a population previously extirpated by the action of man.

OBS

Terms used by Parks Canada.

French

Domaine(s)
  • Gestion environnementale
DEF

Introduction d'une espèce animale ou végétale indigène afin de rétablir une population que l'action de l'homme a auparavant fait disparaître.

OBS

Terme en usage à Parcs Canada.

Spanish

Save record 5

Record 6 1993-08-18

English

Subject field(s)
  • Environmental Management
OBS

Reintroduction : The introduction of native fauna or flora for the purpose of re-establishing a population previously extirpated by the action of man.

OBS

Term used by Parks Canada.

French

Domaine(s)
  • Gestion environnementale
OBS

Réintroduction : Introduction d'une espèce animale ou végétale indigène afin de rétablir une population que l'action de l'homme a auparavant fait disparaître.

OBS

Terme en usage à Parcs Canada.

Spanish

Save record 6

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