. The Eastern Bering Sea Shelf : oceanography and resources / edited by Donald W. Hood and John A. Calder. Oceanography Bering Stage V ) Hatched out~ in Phase 1 Stage VI * Stage I Stage II Stage III Stage IV Stage V Stage VI Newly laid in Phase 2. N X SD Phase! 101 I I Phase 2 372 Taking into account the advancement of egg development between the two phases, we can com- pare the abundance of some particular developmental stages during the two phases. While eggs of Stages I and II in Phase 1 remained 37 percent as Stage-Ill eggs in Phase 2, Stage III eggs in Phase
. The Eastern Bering Sea Shelf : oceanography and resources / edited by Donald W. Hood and John A. Calder. Oceanography Bering Stage V ) Hatched out~ in Phase 1 Stage VI * Stage I Stage II Stage III Stage IV Stage V Stage VI Newly laid in Phase 2. N X SD Phase! 101 I I Phase 2 372 Taking into account the advancement of egg development between the two phases, we can com- pare the abundance of some particular developmental stages during the two phases. While eggs of Stages I and II in Phase 1 remained 37 percent as Stage-Ill eggs in Phase 2, Stage III eggs in Phase 1 dropped to as low as 14 percent when they advanced to Stages IV-VI in Phase 2, even though it required almost the same length of time for these two groups to advance to consecutive stages (6-7 days at 3 C). Furthermore, the magnitude of reduction during the advancement from Stage III to Stage IV was times greater than that during the advancement from Stage II to Stage III. Thus, the change in abundance of the eggs is considered to be related to the difference of mor- tality and buoyancy of the developmental stages. Egg diameter Fig. 59-6 shows the frequency distributions of egg diameters observed in the present study. The range of egg diameters extended from to STAGE IV ^_^ N X SD 1111111 Phase 1 36 cu Phase 2 129 Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Hood, D. W. (Donald Wilbur), 1918-; Calder, John A; United States. Office of Marine Pollution Assessment; United States. Bureau of Land Management. [Rockville, Md. ?] : U. S. Dept. of Commerce, National Oceanic and Atmospheric Administration, Office of Marine Pollution Assessment ; Seattle, Wash. : Distributed by the University of Washington Press
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