Population information

Nom ordre Anseriformes
Nom famille Anatidae
Nom scientifique Anas platyrhynchos Nom courant Mallard
Nom population oustaleti
Aire de reproduction Mariana Islands Aire de non-reproduction
Catégorie de la Liste Rouge Least Concern
Regions Ramsar Oceania
Notes Possibly unstable hybrid between platyrhynchos and superciliosa.

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 0 0 No quality assessment [R214]
WPE 3 0 0 0 0 No quality assessment [R214]
WPE 4 0 0 0 0 No quality assessment [R214]
WPE 5 0 0 0 0 No quality assessment [R214]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1972 1992 EXT No quality assessment [R214]
WPE 2 1972 1992 EXT No quality assessment [R214]
WPE 3 1972 1992 EXT No quality assessment [R214]
WPE 4 1972 1992 EXT No quality assessment [R214]
WPE 5 1972 1992 EXT No quality assessment [R214]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 -1 -1 Not Set
WPE 2 1997 1
WPE 3 -1 -1 Not Set
WPE 4 -1 -1 Not Set
WPE 5 -1 -1 Not Set

References

  • R214 - Ellis-Joseph, S., Hewston, N. and Green, A. (compilers). 1992. Global Waterfowl Conservation Assessment and Management Plan: First Review Draft. Report by the IUCN Captive Breeding Specialist Group and The Wildfowl and Wetlands Trust. 1992. 77 pp.

Notes




Copyright Wetlands International 2012

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