. The Eastern Bering Sea Shelf : oceanography and resources / edited by Donald W. Hood and John A. Calder. Oceanography Bering Organic matter 369. Figure 23-10. Track chart of the KH-78-3 Cruise of the Hakuho Mam. transported from the oceanic area south of the Aleutian Islands without significant modification in its chemical composition. Since there are no data on the chemical and biochemical nature of the organ- ically rich particulate matter, it would be premature to discuss the processes of its formation. DISCUSSION AND SUMMARY Oceanic areas of the Bering Sea and its adjacent areas we
. The Eastern Bering Sea Shelf : oceanography and resources / edited by Donald W. Hood and John A. Calder. Oceanography Bering Organic matter 369. Figure 23-10. Track chart of the KH-78-3 Cruise of the Hakuho Mam. transported from the oceanic area south of the Aleutian Islands without significant modification in its chemical composition. Since there are no data on the chemical and biochemical nature of the organ- ically rich particulate matter, it would be premature to discuss the processes of its formation. DISCUSSION AND SUMMARY Oceanic areas of the Bering Sea and its adjacent areas were divided into four regions on the basis of the hydrographic (Kitano 1970a and b, Takenouti and Ohtani 1974) and geographical (School et al. 1968) features. In this discussion similar areas were established and divided into the surface, intermediate, and deep water layers to provide for a more precise understanding of the characteristic features of the distribution of particulate organic matter. The results are shown in Table 23-1. Regional variability was evident in particulate organic carbon and nitrogen determined to be in the ranges of 34-1,038 MgC/1 and 5-79 jugN/1 in the surface waters of the Bering Sea and its adjacent areas. The average values of carbon and nitrogen tended to decrease in the following order: Chukchi Sea > the continental shelf > the Oyashio > the deep Bering Sea. The world's highest values of particulate organic carbon and nitrogen were found in the continental shelf and Oyashio areas. Such high values have never been detected in the open oceans except in the upweUing area of the South Pacific off Equador (Menzel 1967). The concentrations of particulate organic carbon and nitrogen in the Bering Sea and its adjacent areas were found to be two to five times higher than those obtained in the North Pacific Ocean (Holm-Hansen 1969, Gordon 1971, Handa et al. 1972), the North Atlantic Ocean (Chester and Stomer 1974, Banoub and Williams 1972, Gordon 1
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