Fig 1.
Map of our eight study sites, including 1) Yalour Islands on the Western Antarctic Peninsula, 2) Petersen Island, 3) Verner Island, 4) Welch Island, 5) Odbert Island, 6) Shirley Island, 7) Blakeney Point, and 8) Whitney Point in East Antarctica.
Map adapted from USGS Antarctic Research Atlas [62].
Table 1.
Results from a negative binomial GLM on Adélie penguin non-breeding (winter) abundance at the Yalour Islands from 2012–2014 (residual deviance: 238.92 on 618 degrees of freedom).
Fig 2.
Non-breeding (winter) data at the Yalours site showing trends in (A) temperature, (B) sea ice rankings, (C) regional daylight hours, and (D) penguin abundance over time.
Grey rectangles indicate the different study years: 2012, 2013, and 2014.