Population information

Nom ordre Anseriformes
Nom famille Anatidae
Nom scientifique Cygnus olor Nom courant Mute Swan
Nom population Central Asia
Aire de reproduction Central Asia Aire de non-reproduction S Central Asia
Catégorie de la Liste Rouge Least Concern
Regions Ramsar Asia
Notes

Réseau de conservation

Réseau de conservation Notes
CAF Action Plan
Note:

Taille de population

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 1 0 0 10,000 25,000 No quality assessment [R714]
WPE 2 0 0 10,000 25,000 No quality assessment [R714]
WPE 3 0 0 10,000 25,000 No quality assessment [R714]
WPE 4 0 0 10,000 25,000 No quality assessment [R714]
WPE 5 0 0 10,000 25,000 Best guess [R714]

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 0 0 Unknown No idea

Population 1% level

Publication Yearset 1 percent Note
WPE 1 -1 -1 Not Set
WPE 2 -1 -1 Not Set
WPE 3 2002 250
WPE 4 2006 250
WPE 5 2012 250

References

  • R714 - Yanagisawa, N., Fujimaki, Y. and Higuchi, H. (pers. comm.). 1993. Japanese data on waterbird population sizes, summarised for IWRB.

Notes




Copyright Wetlands International 2012

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