Page 393 - Atlas Sea Birds Ver1

% of sum of most recent estimates from different decades
2010s/20s 91.93 2010s/20s 48 6 26 1 0 0 12 30 202 35 109 20 7 4 12 35 27 0 6 12 81 1 4

2000s 5.01 2000s 54 57 53 0 0 2 186 15 49 2 8 29 34 61 0 42 5 89 5

1990s 3.06 Maximum observed pairs in different decades 1990s 28 30 47 33 23 24 168 57 47 5 24 194 34 61 1 65 11 131 0 10

1980s 0.00 1980s 30 43 23 30 33 45 170 28 47 0 46 219

1970s 0.00 1970s 59 41 85 32 31 146 26 53 0 28 26 211 0

% of sum of most recent estimates; ≥ 1% grey 2.02 0.00 1.10 0.00 0.00 0.00 0.12 1.16 5.32 0.00 0.79 0.12 0.43 0.00 0.31 0.00 0.00 0.00 0.24 0.00 1.71 0.00 0.12
IBA on basis of ≥ 10 pairs; also sites with ≥ 1% of species' population

Year of most recent estimate 2020 2020 2020 2019 2019 2022 2020 2020 2020 2020 2020 2020 2020 2019 2022 2022 2022 2020 2020 2022 2022 2022 2019 2020

Most recent estimate (pairs); IBAs shaded grey 33 0 18 0 0 0 2 19 87 0 13 2 7 0 5 0 0 0 0 4 0 28 0 2

% of sum of 2020- 2022 1.89 0.00 1.03 0.00 0.69 1.72 5.22 0.00 0.75 0.11 0.40 0.34 0.34 0.23 0.00 0.00 0.23 0.69 3.50 0.11

This study 2020- 2022 33 0 18 0 12 30 91 0 13 2 7 6 6 4 0 0 4 12 61 2

2017- 2011- 2019 2013 33 48 0 6 18 17 0 1 0 0 0 0 12 30 18 91 58 0 10 13 99 2 15 7 7 0 4 6 12 6 35 4 24 0 0 0 0 3 12 1 61 81 0 2 4

Crawford
(2015)
et al.
Maximum breeding pairs observed
2010/20s AEWA (2015) 48 0 58 99 12 35 24 3 81

2000s Kemper et al. (2007) 0 11 27 30 17 63

1990s Crawford et al. (1999) 1995- 1997 28 30 47 33 0 4 24 168 57 49 5 24 56 23 45 0 44 10 36 10

1980s Craw- ford et al. (1999) 1978- 1980 30 59 43 23 30 36 85 45 32 31 121 26 30 28 26 211

1970s Cooper (1981) 1977- 1981 30 59 43 23 30 41 85 45 27 26 146 23 53 28 16 211

Decade of most recent estimate South Africa Boegoeberg Robbe Island Mathew Island Robeiland, Kleinzee Penguin Rock Bird Island, Lambert's Bay Hannas Bay rock Stompneus Bay rocks Groot Paternoster islands Klein Paternoster rocks Colombine rocks Voeleiland, Noordwes Bay Jacob's Reef Hospital Rock Malgas Island Marcus Island Jutten Island Meeuw Island Schaapen Island Vondeling Island Meeurots, Yzerfontein Dassen Island Robbesteen Koeberg NPS

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