Zooplankton community patterns in the Chukchi Sea during summer 2004

Zooplankton were sampled in the Chukchi Sea along three transects between Alaska and Russia, plus four high-speed transects across the axis of Herald Valley in August of 2004. A total of 50 holoplanktonic species, along with a prominent assemblage of meroplankton were encountered; most were of Pacific Ocean origin. Copepods represented the most diverse group with 23 species, and contributed the bulk (3100 ind. m−3, 30 mg dry weight m−3) of the...