Then using statistically downscaled outputs of 14 climate models assessed by the Intergovernmental Panel on Climate Change (IPCC), we projected future shifts in nesting for these populations. We confirmed that nesting phenology at Zakynthos has continued to be impacted by breeding season temperature however, temperature has no consistent relationship with nest numbers, which are declining on Zakynthos and Crete but increasing at Kyparissia. Here, we update the established relationships between sea surface temperature and nesting data from Zakynthos (latitude: 37.7 degrees N), a major nesting beach, while also expanding these analyses to include precipitation and air temperature and additional nesting data from two other key beaches in Greece: Kyparissia Bay (latitude: 37.3 degrees N) and Rethymno, Crete (latitude: 35.4 degrees N). From 1982 to 2012, air and sea surface temperatures at major high use foraging and nesting regions (n = 5) of loggerhead turtles (Caretta caretta) nesting in Greece have steadily increased. Sea turtles are vulnerable to climate change impacts in both their terrestrial (nesting beach) and oceanic habitats.
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