Population information

Order name Anseriformes
Family name Anatidae
Scientific name Mareca strepera Common name Gadwall
Population name strepera, South Asia (non-bre)
Breeding range Central Asia Non-breeding range S Asia
Red List Category Least Concern
Ramsar regions Asia
Notes

Conservation Framework

Conservation framework Notes
CAF Action Plan
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 2 1987 1991 150,000 150,000 [R519]
WPE 1 1987 1991 150,000 150,000 [R519]
WPE 3 1987 1991 150,000 150,000 [R519]
WPE 4 0 0 300,000 300,000 [S5083] [R407]
WPE 5 0 0 300,000 300,000 [S7967] [R407]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 2 1977 1991 INC [R519]
WPE 1 1977 1991 INC [R519]
WPE 3 1977 1991 INC [R519]
WPE 4 1991 2001 INC [R540]
WPE 5 1991 2001 INC [R540]

Population 1% level

Publication Yearset 1 percent Note
WPE 2 1997 1500
WPE 1 1994 1500
WPE 3 2002 1500
WPE 4 2006 3000
WPE 5 2012 3000

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.
  • R407 - Li, David, and Asian Waterbird Census network in litt. 2005.
  • R540 - Rahmani, A.R., Laad, S., Islam, M.Z., and Malekar, A. 2002. Asian Waterbird Census India - 2002. Bombay Natural History Society.

Notes

  • S5083 - 413: Highest AWC count of over 230,000 birds in South Asia in 2002.
  • S7967 - Li in litt. 2005: Highest AWC count of over 230,000 birds in South Asia in 2002.



Copyright Wetlands International 2012

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