Population information

Nom ordre Anseriformes
Nom famille Anatidae
Nom scientifique Branta bernicla Nom courant Brent Goose
Nom population hrota/nigricans, western Canadian high Arctic (bre)
Aire de reproduction Parry Islands, Canadian NW Territories Aire de non-reproduction Puget Sound, W Washington & SW British Columbia
Catégorie de la Liste Rouge Least Concern
Regions Ramsar North America
Notes This population was treated as a single larger population in WPE1.

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 -1 -1 No quality assessment
WPE 2 0 0 7,500 7,500 No quality assessment [R90]
WPE 3 0 0 7,500 7,500 No quality assessment [R655]
WPE 4 0 0 7,500 7,500 No quality assessment [R655]
WPE 5 2011 2011 8,500 8,500 Expert opinion [R1180]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 0 0 Unknown No quality assessment
WPE 2 0 0 Unknown No quality assessment
WPE 3 0 0 Unknown No quality assessment
WPE 4 0 0 Unknown No quality assessment
WPE 5 2002 2011 INC No quality assessment [R1180]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 -1 -1 Not Set
WPE 2 1997 75
WPE 3 2002 75
WPE 4 2006 75
WPE 5 2012 85

References

  • R90 - Boyd, H., Maltby, L.S. and Reed, A. 1988. Differences in the plumage patterns of Brant breeding in high arctic Canada. Canadian Wildlife Service Progress Notes 174. Canadian Wildlife Service, Ottawa, Canada.
  • R655 - U.S. Fish and Wildlife Service. 2002d. Waterfowl Population Status, 2002. US Department of the Interior,Washington, D.C. 50pp.
  • R1180 - U.S. Fish and Wildlife Service. 2011d. Waterfowl population status, 2011. U.S. Department of the Interior, Washington, D.C. USA.

Notes




Copyright Wetlands International 2012

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