Fig. 8.9 Cohort patterns for Acartia californiensis in upper Yaquina Bay, Oregon
(USA), during 1972. Each group followed through development is designated by a
Roman numeral. The abundance pattern does roughly repeat in successive stages.
(^) (After Johnson 1980.)
Fig. 8.10 Survivorship curves for A. californiensis calculated from stage-abundance
time-series in Fig. 8.9.
(^) (After Johnson 1980.)