Data Associated with Crawford et al. High adult mortality of African penguins in South Africa after 2004 was likely caused by starvation
<p dir="ltr">Data Associated with Crawford et al. High adult mortality of African penguins in South Africa after 2004 was likely caused by starvation published in Ostrich, https://doi.org/10.2989/00306525.2025.2568382. Numbers of pairs breeding (thousand pairs), numbers of individual...
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2025
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| Sammanfattning: | <p dir="ltr">Data Associated with Crawford et al. High adult mortality of African penguins in South Africa after 2004 was likely caused by starvation published in Ostrich, https://doi.org/10.2989/00306525.2025.2568382. Numbers of pairs breeding (thousand pairs), numbers of individuals moulting (from split years 1995/96 to 2015/16) and adult survival of African penguins <i>Spheniscus demersus</i> (from split years 1994/95 to 2011/12) at Dassen and Robben Islands, Western Cape, South Africa. The Forage Availability Index (FAI) is derivied from sardine and anchovy in the diet of Cape gannets <i>Morus capensus </i>by Crawford et al. 2019, ICES J Mar Sci 76: 1344–1352 https://doi.org/10.1093/icesjms/fsz081. Adult survival rates are from Sherley et al. 2014, Ibis 156: 716–728 https://doi.org/10.1111/ibi.12189. Also shown are, the calculated DeltaM values at each island for 2004 to 2011 based on equation 1 in the text; the calculated DeltaD values at each island for 2004 to 2011 based on equation 2 in the text; and calculated proportion of missing moulters (ProportionMM) at each island (assuming that all breeders moult at their 'home' island) based on equation 3 in the text.</p> |
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