Population information

Nom ordre Anseriformes
Nom famille Anatidae
Nom scientifique Anas sparsa Nom courant African Black Duck
Nom population leucostigma (maclatchyi), Gabon
Aire de reproduction Equatorial Guinea to Gabon Aire de non-reproduction
Catégorie de la Liste Rouge Least Concern
Regions Ramsar Africa
Notes Population of Gabon and Cameroon has been assigned a separate subspecies maclatchyi, but doubtfully valid.

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 1,000 1,000 No quality assessment [R115]
WPE 2 1990 1995 1,000 5,000 No quality assessment [R578]
WPE 3 1990 1995 1,000 5,000 No quality assessment [R578]
WPE 4 1990 1995 1,000 5,000 No quality assessment [R578]
WPE 5 1990 1995 1,000 5,000 No quality assessment [R578]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1980 1990 STA No quality assessment [R115]
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 0 0 Unknown No idea

Population 1% level

Publication Yearset 1 percent Note
WPE 1 1994 10
WPE 2 1997 30
WPE 3 2002 30
WPE 4 2006 30
WPE 5 2012 20

References

  • R115 - Callaghan, D.A. and Green, A.J. 1993. Wildfowl at risk, 1993. Wildfowl 44: 149-169.
  • R578 - Scott, D.A. and Rose, P.M. 1996. Atlas of Anatidae populations in Africa and western Eurasia. Wetlands International Publication No. 41. Wetlands International, Wageningen, NL. 336 pp.

Notes




Copyright Wetlands International 2012

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