Population information

Nom ordre Anseriformes
Nom famille Anatidae
Nom scientifique Aythya baeri Nom courant Baer's Pochard
Nom population C, E, SE & S Asia
Aire de reproduction SE Siberia, NE China Aire de non-reproduction S China, Korea, Japan, Taiwan, SE Asia S to Myanmar, Thailand, NE India, Bangladesh
Catégorie de la Liste Rouge Critically Endangered
Regions Ramsar Asia
Notes

Réseau de conservation

Réseau de conservation Notes
EAAF Partnership
CAF Action Plan
Note:

Taille de population

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 1 1987 1991 1 25,000 No quality assessment [R519]
WPE 2 1987 1991 1 25,000 No quality assessment [R519]
WPE 3 0 0 10,000 20,000 No quality assessment [R455]
WPE 4 0 0 10,000 20,000 No quality assessment [R455]
WPE 5 0 0 250 1,000 Expert opinion [R1090]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1977 1991 DEC No quality assessment [R519]
WPE 2 1977 1991 DEC No quality assessment [R519]
WPE 3 1990 2000 DEC No quality assessment [R68]
WPE 4 1995 2005 DEC No quality assessment [T3650] [R64]
WPE 5 1995 2005 DEC No quality assessment [T6110] [R64]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 -1 -1 Not Set
WPE 2 -1 -1 Not Set
WPE 3 2002 150
WPE 4 2006 150
WPE 5 2012 5

References

  • R519 - Perennou, C.P., Mundkur, T. and Scott, D.A. 1994. The Asian Waterfowl Census 1987-1991: distribution and status of Asian waterfowl. IWRB Spec. Publ. No. 24; AWB Spec. Publ. No. 86. Slimbridge, UK and Kuala Lumpur, Malaysia.
  • R455 - Miyabayashi, Y. and Mundkur, T. 1999. Atlas of Key Sites for Anatidae in the East Asian Flyway. Wetlands International ? Japan ? Tokyo, and Wetlands International ? Asia Pacific, Kuala Lumpur. 148 pp.
  • R68 - BirdLife International. (2000). Threatened Birds of the World. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife international
  • R64 - BirdLife International. 2005. Threatened birds of the world 2005. Species factsheets available at?www.birdlife.org
  • R1090 - BirdLife International. 2012l. http://www.birdlife.org/globally-threatened-bird-forums/2011/06/baer%E2%80%99s-pochard-aythya-baeri-request-for-information/

Notes

  • T3650 - 466: Declining significantly in the east of the range.
  • T6110 - Moores, N. In litt. 2005.: Declining significantly in the east of the range.



Copyright Wetlands International 2012

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