Figure 1. Zooplankton sample data collected during several research expeditions to the Chukchi and Beaufort Seas. (Beaufort Sea Expedition samples courtesy of the Planktonic Invertebrates Collection of Scripps Institution of Oceanography; ISHTAR data courtesy of Institute of Marine Science, University of Alaska Fairbanks; S.O.O. samples courtesy of W. Ambrose, Bates College)