Population information

Nom ordre Anseriformes
Nom famille Anatidae
Nom scientifique Aythya innotata Nom courant Madagascar Pochard
Nom population Madagascar
Aire de reproduction N Central Madagascar Aire de non-reproduction
Catégorie de la Liste Rouge Critically Endangered
Regions Ramsar Africa
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 0 10 No quality assessment [R266]
WPE 3 1990 1995 0 10 No quality assessment [R578]
WPE 4 1990 1995 0 10 No quality assessment [R578]
WPE 2 1990 1995 0 10 No quality assessment [R578]
WPE 5 2012 2012 20 20 Census based [R1262]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1981 1991 EXT No quality assessment [R266]
WPE 3 1990 1996 EXT? No quality assessment [R578]
WPE 4 1990 1996 EXT? No quality assessment [R578]
WPE 2 1990 1996 EXT No quality assessment [R578]
WPE 5 2006 2012 STA Good [R1262]

Population 1% level

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

References

  • R266 - Green, A. (pers. comm.). 1992. Unpublished personal observations of Madagascar waterbirds.
  • 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.
  • R1262 - de Roland, L-A. R. and Bamford, A. In litt. 2012.

Notes




Copyright Wetlands International 2012

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