Page 373 - Atlas Sea Birds Ver1

IBA on basis of ≥ 10 pairs; 'super sites' with ≥ 1% of population Year of % of sum of Most most most recent recent recent estimates estimate estimate 0,00 2015 0 0,00 2015 8 0,00 2018 0 0,01 2020 10 0,05 2022 102 2021 √ 0,39 2021 731 0,06 2022 105 0,00 2021 0 0,30 2022 556 0,46 2022 850 0,00 2018 0 0,00 2012 0 50,60 94548 34,52 64380 14,88 27797 100 186725

2010s/20s 99,56 2020 10 0 38 0 59 203 94548 49947 44050 188545

2000s 0,03 This study 2018-2022 0 10 102 √ 731 105 0 556 850 0 94548 83776 55864 234188

1990s 0,01 2013-2017 5 8 1 376 8 734 821 48 12 323 387 0 16038 33773 58577 108388

1980s 0,36 Maxima observed in periods (pairs) Crawford et al. 2016 *corrected 2010-2014 5 2 0 421* 31* 734 834 25 68 162 116 0 0 0 0 56930 56930

1970s 0,04 2004/05 0 51857 49531 101388

Crawford et al. 2007 1992/93 1978/79 0 0 85483 143161 73305 104437 158788 247598

1956/57 0 14921 96527 111448

Decade of site's most recent estimate % sum of most recent estimates from different decades Site Waenhuiskrans Vaalkrans Gericke's Punt Western head Knysna Coney Glen Robberg Peninsula Tsitsikamma No. 12 Stack Jahleel Island Brenton Island St Croix Island Seal Island, Algoa Bay Stag Island Hole-in-the-Wall Total Angola Total Namibia Total South Africa Total overall

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