The average biomass was 1 1 1.83 g/m 2.and individual density was 2538 inds. /m 2in Chukchi Sea and Bering Sea.

• 楚科奇海和白令海大型底栖生物平均生物量为 111.；83g/m2；平均栖息密度为 2 5 38个 /m2 。