Page 547 - Atlas Sea Birds Ver1

Decade of most recent 1970s 1980s 1990s 2000s 2010s/20s IBA on basis of ≥ 10 pairs
estimate
Maximum breeding pairs observed % of sum of most recent estimates from different
decades
Cooper Kemper AEWA This Most Year of % of sum 60s/70s 1980s 1990s 2000s 10s/20s
et al.
Site (1992) et al. (2015) study recent most of most 1.26 0.00 0.00 41.06 57.68
recent
recent
(2007) estimate estimate estimates Maximum observed pairs in different decades
(pairs)
1980- 1995- 2018-
1991 2006 2022 1970s 1980s 1990s 2000s 2010s
Redhouse Saltpans 0 0 2021 58 50 28
Coega River Saltworks 13 0 0 2021 0.00 14
Bird Island, Algoa Bay 0 0 2019 0.00 0
Seal Island, Algoa Bay 0 0 2019 0.00 1 0
Stag Island, Algoa Bay 300 0 0 2019 0.00 2 0
Lake St Lucia 290 300 157 157 2021 39.55 750 247 290 380 300
Lane Island 200 2013 10 210 250
Lane Island extension 300 2015 300
Sandy Point 170 2012 80 300
Bird Island 18 1999 750 150 60
Caspian Pan 75 1981 75
False Bay North 157 2021
Mozambique
Zambezi Estuary 0
Total Angola 0 88 88 0 88 22.17 0 0 88
Total Namibia 40 21 21 57 87 21.91 42 40 0 48 59
Total South Africa 416 316 442 262 222 55.92 791 375 393 563 537
Coastal total 456 425 551 319 397 100.00 833 415 699 596
Inland sites
South Africa
Barberspan
Vaal Dam
Kalkfontein Dam 19 19 1990
Botswana
Sua Pan 26 26 1985
Overall total 501 442

A Caspian Tern breeding at Velddrif saltworks (photo RJM Crawford)

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