Figure from Palmer LTER: Annual season October 1996 to March 1997

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A . Air temperature (in °C; solid line) and water temperature (in °C; boxes) at Palmer Station for the 1996-1997 season. B . Surface chlorophyll (in mg m-3; filled diamonds), nitrate+nitrite (micromolar; open squares), and silicate (micromolar; filled squares) at station E for the 1996-1997 season. C . Krill abundance (in g m-2; open circles) from transect A to E and Adélie penguin foraging (in hours; open squares). Diamonds indicate day of first egg laying, first brood, first creche, first fledging, and peak fledging at Humble Island for the 1996-1997 season.