Population information

Order name Pelicaniformes
Family name Phalacrocoracidae
Scientific name Phalacrocorax atriceps Common name Imperial Shag
Population name atriceps
Breeding range S South America Non-breeding range
Red List Category Least Concern
Ramsar regions Neotropics
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 2 0 0 100,000 1,000,000 [R725]
WPE 3 0 0 100,000 1,000,000 [R721]
WPE 4 0 0 100,000 1,000,000 [R721]
WPE 1 0 0 -1 -1
WPE 5 0 0 100,000 1,000,000 Best guess [R721]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 2 1985 1995 DEC [R725]
WPE 3 1987 1997 DEC [R721]
WPE 4 1987 1997 DEC [R721]
WPE 1 0 0 Unknown
WPE 5 1987 1997 DEC [R721]

Population 1% level

Publication Yearset 1 percent Note
WPE 2 0 -1
WPE 3 2002 10000
WPE 4 2006 10000
WPE 1 0 -1
WPE 5 2012 10000

References

  • R725 - Yorio, P.M. (pers comm.). 1996. Unpublished information from the Plan de Manejo Integrado de la Zona Costera Patag?nica - FPN/PNUD/GEF.
  • R721 - Yorio, P.; E. Frere, P. Gandini and G. Harris (Eds.). 1998. Atlas de la distribuci?n reproductiva de aves marinas en el litoral patag?nico argentino. PMIZCP. FPN and WCS. 222 pp.

Notes




Copyright Wetlands International 2012

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