Population information

Order name Anseriformes
Family name Anatidae
Scientific name Aythya novaeseelandiae Common name New Zealand Scaup
Population name New Zealand
Breeding range New Zealand Non-breeding range
Red List Category Least Concern
Ramsar regions Oceania
Notes

Conservation Framework

Conservation framework Notes
No conservation frameworks
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 1 0 0 5,000 10,000 [R268]
WPE 2 0 0 5,000 10,000 [R268]
WPE 3 0 0 5,000 10,000 [R268]
WPE 4 0 0 5,000 10,000 [R268]
WPE 5 0 0 5,000 10,000 [R268]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1980 1990 INC [R268]
WPE 2 1980 1990 INC [R268]
WPE 3 1980 1990 INC [R268]
WPE 4 1980 1990 INC [R268]
WPE 5 1980 1990 INC [R268]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 1994 75
WPE 2 1997 75
WPE 3 2002 75
WPE 4 2006 75
WPE 5 2012 70

References

  • R268 - Green, A.J. 1992b. Wildfowl at Risk: 1992. Wildfowl 43: 160-184.

Notes




Copyright Wetlands International 2012

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