Population information

Nom ordre Anseriformes
Nom famille Anatidae
Nom scientifique Anser caerulescens Nom courant Snow Goose
Nom population caerulescens, C Canadian Arctic (bre)
Aire de reproduction Central Canadian Arctic Aire de non-reproduction S USA, N Mexico
Catégorie de la Liste Rouge Least Concern
Regions Ramsar North America
Notes

Réseau de conservation

Réseau de conservation Notes
Pas des Réseaux de conservation
Note:

Taille de population

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 1 0 0 72,500 72,500 No quality assessment [R17]
WPE 2 0 0 72,500 72,500 No quality assessment [R17]
WPE 3 0 0 1,230,000 1,230,000 No quality assessment [R372]
WPE 4 0 0 1,230,000 1,230,000 No quality assessment [R372]
WPE 5 0 0 1,230,000 1,230,000 Expert opinion [R372]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1986 1990 STA No quality assessment [R17]
WPE 2 1986 1990 STA No quality assessment [R17]
WPE 3 1992 2002 INC No quality assessment [R372]
WPE 4 1992 2002 INC No quality assessment [R372]
WPE 5 1992 2002 INC No quality assessment [R372]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 1994 730
WPE 2 1997 730
WPE 3 2002 12300
WPE 4 2006 12300
WPE 5 2012 12300

References

  • R17 - Arctic Goose Joint Venture. 1991. A prospectus. North American Waterfowl Management Plan. Canada.
  • R372 - Kerbes, R.H., and Caswell, F. D. 2002. Personal Comunication of Photoinventory survey results.

Notes




Copyright Wetlands International 2012

Citation: Wetlands International (). "Waterbird Population Estimates" . Retrieved from wpe.wetlands.org on