| Summary: | a. Primary species, DBO2—Chirikov Basin. Stack plot of dominant species in DBO2- Chirikov Basin region ( Fig 2 ) in the northern Bering Sea (various years from 2001 to 2018; n = 15, 1,314 specimens with ≥30 specimens/sample). The 11 species presented in the stack plot comprise 98% of the biofacies in this ecoregion. (Note the boundary between Anadyr water on the western side of Chirikov Basin and Bering Sea Water on the eastern side is generalized in this graphic.). b. Summer bottom water salinity at western and eastern DBO2—Chirikov Basin sampling sites. Time series plot of summer bottom salinity at sampling stations on the western and eastern side of the Chirikov Basin (Sources: Grebmeier and Cooper, 2014a [ 61 ]; Okkonen, 2013 [ 62 ]; and recent expedition data (2014–2018) taken aboard USCGS Healy and CCGS Sir Wilfrid Laurier archived at the Arctic Data Center [ 58 ]).
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