Figure from Epipelagic communities in the northwestern Weddell Sea: Results from high-resolution trawl surveys

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Figure 2. Hourly total biomass (in grams per 1,000 cubic meters) of krill, Euphausia superba ; salps, Salpa thompsoni; and krill, Thysanoessa macrura , collected with the MOCNESS net system in the upper 100 m of the water column in the northwestern Weddell Sea. Data are presented for hourly time periods beginning at the time indicated by the symbols. Symbols indicate mean values for individual time periods. Closed circles connected by a solid line indicate data from 0 to 50 m and open squares connected by a dashed line indicate data from 50 to 100 m depth. Biomass values were generated as in figure 1 and should be regarded as underestimates.