Acoftio longiremis 



1965 

 1966 



Psiudocolonui minutus 



WCE WCE WCE WCE 



E spOOi- 



O 



2 TpoO- 



b 



Centropoges typicus 



6,000- 



spoo- 



4.000- 



3.000 ■ 



2,000\ 



l,000|^ 



900 • 



800 - 



700- 



600 - 



900- 



400- 



300- 



200- 



100 - 



L_, 



WCE 



.^ 





4" 



vice 



1969 \ I 



acu «« 4 « « »■ 



CE WCE WCE WCE 



500 

 400 

 300 

 200- 



100- , 

 



4,000 r 



3,000 



2j000^ 



1,000 



900 



800 - 



700 



600 - 



500 



400 



300 



200 



100 







Melridio lucent 



1969 



jti_i: 



-V-^ •-■-^i 



WCE WCE WCE 



Temoro longicornis 



\ 



1969 •'X 



WCE WCE WCE WCE 



Figure 4.-- Mean number of dominant copepod species per 100 m.'^of water in different seasons in each of the coastal 

 Gulf of Maine areas, (W) western, (C) central, and (E) eastern, in 1965 and 1966. 



(ca. 17,000/100 m.3/station). The seasonal dif- 

 ferences in volumes in the central area were 

 also the result of fluctuations in the abundance 

 of C. finmarchicus : this species was about four 

 times more numerous in winter in 1965thanin 

 1966, but about seven times more numerous in 

 the spring in 1966 than in 1965. 



HYDROGRAPHY AND 

 ZOOPLANKTON 



Observations were made of temperature, 

 salinity, and zooplankton by season in each 

 of the areas for 1965 and 1966, 



