. The Eastern Bering Sea Shelf : oceanography and resources / edited by Donald W. Hood and John A. Calder. Oceanography Bering 348 Chemical oceanography oxide system in sea water is sensitive to most oceano- graphic events, a detailed understanding of carbon dioxide dynamics in the environment will provide ad- ditional signals useful in evaluating the initiation, path followed, and fate of some otherwise poorly understood elements of the ecosystem. This study of the carbon budget was undertaken in the eastern Bering Sea to assist the PROBES (Pro- cesses and Resources of the Bering Sea Sh
. The Eastern Bering Sea Shelf : oceanography and resources / edited by Donald W. Hood and John A. Calder. Oceanography Bering 348 Chemical oceanography oxide system in sea water is sensitive to most oceano- graphic events, a detailed understanding of carbon dioxide dynamics in the environment will provide ad- ditional signals useful in evaluating the initiation, path followed, and fate of some otherwise poorly understood elements of the ecosystem. This study of the carbon budget was undertaken in the eastern Bering Sea to assist the PROBES (Pro- cesses and Resources of the Bering Sea Shelf) project in understanding biological energy flow and trophic dynamics in the important biological resource area often known as the "golden ; The base of this triangular region extends from just north of Unimak Pass running east to the 80-m bathymetric contour. The two sides join near St. George Island, forming the triangle. The PROBES project seeks to follow the sequence of events involved in energy flow and efficiency of food utilization in the biota at the lower trophic levels of the biological community by following the early life cycle of the walleye pollock (Theragm chal- cogramma), in the hope that it will function as a tra- cer of other organisms in this trophic level. This study requires the detection of the early changes in the system that indicate the conditions for onset of zooplankton spawning, phytoplankton productivity, and the hatching of the widely scattered pollock eggs (see chapters by Hattori and Goering, Cooney, and Nishiyama, in Volume 2 of this book). More conven- tional methods for following ecosystem changes that affect the development of the biological community- monitoring temperature, light, nutrient regime, water- column structure, and the presence of biological com- munity components—may not be adequate to define the finestructure on which these processes depend for initiation. Data on the changes in the carbon dioxide syste
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