Environmental data for evaluation of Chinstrap Penguin foraging behaviour in Harmony Point, Nelson Island, during two years of contrasting conditions.

<p>This dataset includes:</p> <p>1 - a time series of environmental variables subsetted for the Area 48.1 (Antarctic Peninsula);</p> <p>2 - Monthly averaged data on chlorophyll-a concentration CHL, photosynthetically available/active radiation PAR (NASA OB.DAAC 2018a,b), fractional sea ice cover SIC and surface wind speed SWS (GMAO 2015)&nbsp;for a 75km radius&nbsp;around Harmony Point, Nelson Island, maritime Antarctic Peninsula;</p> <p>3 - Antarctic Krill (Euphausia superba) NASC (Nautical Area Scattering Coefficient, m2 nmi&minus;2) acoustic estimated density for december/january 2019/20 and 2021/22,&nbsp;acoustic surveys were carried out in the research vessel boat &quot;<em>RS Karpuj</em>&quot; within the area used by penguins;</p> <p>3 - Foraging trip -level summarized data from 27 chinstrap penguins tracked with Axy-trek marine loggers (40 x 20 x 8 mm, 14g, GPS logger, time depth recorder TDR and accelerometer) during late incubation and early chick-rearing, december/january 2019/20 and 2021/22;</p> <p>4 - Colony-level breeding success estimated as chicks raised per nest in&nbsp;d2019/20 and 2021/22 breeding seasons.</p> <p>Data collection was supported by&nbsp;&Aacute;reas Marinas Protegidas program of the Instituto Ant&aacute;rtico Chileno (AMP 24 03 052).</p>