Page 441 - Atlas Sea Birds Ver1
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2010/20s 72.92 2010s 3 0 15 3 11 6 6 1 8 6 4 7 11 7 56 27 36 20 114 24 0 0 0 0 0 141 0
Maximum observed pairs in different decades
2000s 11.89 2000s 0 21 11 11 28 198 4 21 0 0 0 111 86
1990s 1.51 1990s 4 1 34 0 0 0 131 130
% of sum of most recent estimates from different decades
1980s 13..62 1980s 15 7 1 1 12 60 50 1 0 105 113 200 76
1970s 0.05 1970s 30 17 48 9 14 0 75 132 0 0
% of sum of most recent estimates 0.16 0.00 0.49 0.16 0.32 0.00 0.32 0.05 0.38 0.32 0.22 0.38 0.59 0.00 1.30 1.46 1.95 1.08 3.24 0.97 0.00 0.00 0.00 0.00 0.00 1.84 0.00
2010s Year of most recent estimate 2019 2018 2018 2014 2018 2020 2018 2018 2019 2012 2011 2015 2018 2017 2018 2018 2018 2018 2018 2019 2013 2012 2018 2018 2018 2018 2018
2020s Most recent estimate (pairs) 3 0 9 3 6 0 6 0 7 6 4 7 13 0 24 27 36 20 60 24 0 0 0 0 0 34 0
2000s This study 2018- 2022 3 0 9 6 5 6 0 7 0 13 24 27 36 20 60 24 0 0 0 34 0
1990s Crawford et al. 2013 2008- 2012 3 0 15 0 1 8 6 4 0 8 7 56 34 67 18 0 0 0 0 0 141 0
1980s Maximum observed pairs in different periods Kemper et al. 2007 1995- 2006 20 0 0 98 86
1970s Brooke et al. 1982 1977-1981 15 7 1 15 60 50 105 132
Decade of most recent estimate Robbe Eiland Owen Island Matthew Island Oubeep jetty Robeiland, Kleinzee Jahleel wreck Aristea wreck 2 km n Groen Rivier Namaqua wreck at Island Point 1 km s Cliff Point Elephant Rock Cliff north of Doringbaai Bird Island, Lambert's Bay Verlorenvlei Rocher Pan Velddrif saltworks Berg River mouth, Laaiplek Hannas Bay rock Stompneus Bay rocks Groot Paternoster islands Abdolsbaai Kersefontein Malgas Island Marcus Island Jutten Island Meeuw Isl
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