SHERMAN ET AL.: COHERENCE IN ZOOPLANKTON 



fjjSfe Pseudocalanus minutus 



— - — 



Calanus finmarchicus 



Centro pages ty picus 

 Centro pages hamatus 



Penilia avirostris 



Z 



other 

 Metridia lucens 



I, I, 



Sagitta elegans 

 Balanidae 

 Temora longicornis 

 Acartia sp 



Calanus sp. 



Evadne nordmanni 



Appendicularia 



Doliolidae 



Brachyura 



Echinodermata 



Tha/iacea 



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Calanus /Inmarchlus Pseudocalanus minutus Centropages typicus 



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Georges Bank 



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< 10° 

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S. New England 



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Mid-Atlantic Bight 



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J FMAMJ JASOND JFMAMJ JASOND JFMAMJ JASOND 



MONTH 



FIGURE 2. — Continued — (b> Seasonal patterns of dominance of zooplankters by subarea shown as a percentage of the samples with a 

 dominant taxon in the 5-yr MARMAP time series. LW = late winter, ESp = early spring, ESu = early summer, EA = early autumn, 

 LA = late autumn, and EW = early winter, (c) Seasonal pulses in abundance of the three dominant copepod species Calanus fin- 

 marchicus, Pseudocalanus minutus, and Centropages typicus (No./lOO m 3 ) in each of the subareas for the 5-yr time series. Solid line 

 represents the mean, short dashed line is one standard duration, and long dashed line is the range. 



