NY BIGHT 



J' NO SAMPLE 



^H I BLUE -GREEN ALGAE 



DINOFLAGELLATES 



2 CERATIUM TRIPOS 



3 C FUSUS 

 A C MASSILIENSE 

 9 OXYTOXUMSPP 



SILIC OFLAGELLATES 



I. ■■ I 6 SILICOFLAGELLATES 



DIATOMS 



7 THALASSIOSIRA SPP 



8 BIDOULPHIA ALTERNANS 



9 THALASSIONEMA N IT ZSCH lOIDES 



10 NITZSCHIA SERIATA 



11 RHIZOSOLENTA ALATA FORMA A LATA 



12 ft ALATA FORMA GRACILLIMA 



15 R ALATA FORMA INDICA 

 14 R HEBETATA FORMA SEMISPINA 

 I 5 THALASSIOTHRIX LONGISSIMA 



16 CHAETOCEROS SPP 



17 COSCINODISCUS SPP 



18 CERATAULINA BERGONII 



19 ASTERIONELLA JAPONICA 

 20 SKELETONEMA COSTATUM 



o 



iij 



20 — , 



18 — 



16 — 



14 — 



2 — 



jTfTm 



2= 



* * ♦ 



6 



T 



9 

 10 



n" 



CHESAPEAKE BIGHT 



* * 



M I A 



* ♦ * ♦ 



I N 



MONTH 



Figure 20.2.— Net phytoplankton abundance in Slope Water to the seaward of the New Yorlt and Chesapeake Bights, 1976. 



See text for explanation of abundance units. 



344 



