Population information

Order name Charadriiformes
Family name Laridae
Scientific name Sterna dougallii Common name Roseate Tern
Population name dougallii, Southern Africa
Breeding range S Cape Province South Africa Non-breeding range
Red List Category Least Concern
Ramsar regions Africa
Notes

Conservation Framework

Conservation framework Notes
AEWA
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 1 0 0 200 200 [R165]
WPE 3 0 0 750 750 [R196]
WPE 4 0 0 750 780 [S2532] [R637]
WPE 2 0 0 200 200 [R165]
WPE 5 2003 2003 750 780 Expert opinion [R418] [R637]
CSR 4 2003 2003 750 780 Expert opinion [R418] [R637]
CSR 5 2003 2003 750 780 Expert opinion [R418] [R637]
CSR 6 2000 2004 250 800 Expert opinion [S8633] [R638]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1965 1980 DEC [R165]
WPE 3 1984 1999 INC [R664]
WPE 4 1984 1999 INC [R664]
WPE 2 1965 1980 DEC [R165]
WPE 5 1998 2002 INC Reasonable [R637] [R664]
CSR 4 1998 2002 INC Reasonable [R637] [R664]
CSR 5 1998 2002 INC Reasonable [R637] [R664]
CSR 6 1996 2004 FLU Reasonable [T6617] [R637]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 1994 2
WPE 3 2002 8
WPE 4 2006 8
WPE 2 1997 2
WPE 5 2012 8
CSR 4 0 -1
CSR 5 0 -1

References

  • R165 - Croxall, J.P., Evans, P.G.H. and Schreiber, R.W. (eds.). 1984. Status and Conservation of the World's Seabirds. ICBP Technical Publication No. 2. Cambridge, UK.
  • R196 - du Toit, M., Boere, G.C., Cooper, J., Kemper, J., Lenten, B., Simmons, R.S., Whittington, P.A. and Byers, O. (eds). 2002. Conservation assessment and management plan for southern African coastal seabirds. Workshop Report, Cape Town, South Africa, 4-8 Feb
  • R664 - Underhill, L.G. Tree, A.J., Oschadleus, H.D. and Parker, V. 1999. Review of Ring Recoveries of Waterbirds in Southern Africa. Cape Town: Avian Demography Unit, University of Cape Town, South Africa. 119 pp..
  • R637 - Tree, A.J. and Klages, N.T.W. 2003. Status, biometrics, moult and possible relationships of the South African population of Roseate Tern. Ostrich 74 (1 and 2): 74?80.
  • R418 - Louette, M. 2004. Oiseaux. In: Louette, M., D. Meirte and R. Jocque (eds). La faune terrestre de l?archipel des Comores. Studies in Afrotropical Zoology (MRAC, Tervuren). 293: 89-196.
  • R638 - Tree, A.J.,. In litt. 2005.

Notes

  • S2532 - 645: 250-260 pairs in 2000.
  • S8633 - South Africa: Algoa: 250-260 pairs in 2000, 70-75 pairs in 2003 & 2004; Dyer: 17-18 pairs in 2002, ca. 7 pairs in 2004. Mozambique: 60 pairs in 2003. Tanzania 150 pairs Mafia 2003 + estimate 500 - 700 pairs Zanzibar (e.g. 1994).
  • T6617 - 152 nests at Algoa Bay in 1996; 250-260 pairs in 2000; 70-75 in 2003 & 2004. Major declines from 1930s-1970s.



Copyright Wetlands International 2012

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