Table 6

Month	Area	Station	No. of Species	Dominant Species
September'11	MAA	S1	257	Coscinodiscus centralis
	MAA	S2	9500	Coscinodiscus centralis*
	LAA	S3	173	Pleurosigma affine
	LAA	S4	158	Leptocylindrus danicus
October	MAA	S1	75	Coscinodiscus granii
	MAA	S2	136	Coscinodiscus granii
	LAA	S3	65	Licmophoraehr enbergii
	LAA	S4	37	Licmophoraehr enbergii
November	MAA	S1	165	Bacteriastrum furcatum
	MAA	S2	157	Bacteriastrum hyalinum
	LAA	S3	36	Nitzschia sigma
	LAA	S4	34	Pleurosigma angulatum
December	MAA	S1	8700	Rhizosolenia alata
	MAA	S2	9500	Rhizosolenia alata*
	LAA	S3	42	Licmophora gracilis
	LAA	S4	42	Coscinodiscus granii
January	MAA	S1	174	Guinardia steriata
	MAA	S2	152	Guinardia flaccida
	LAA	S3	28	Nitzschia gracilis
	LAA	S4	96	Chaetoceros decipiens
Febrauary	MAA	S1	147	Guinardia steriata
	MAA	S2	249	Leptocylindrus danicus
	LAA	S3	52	Asterionella glacialis
	LAA	S4	25	Guinardia steriata
March'12	MAA	S1	197	Rhizosolenia imbricata
	MAA	S2	19000	Rhizosolenia imbricata
	LAA	S3	27000	Trichodesmium erythraeum*
	LAA	S4	87	Proboscia alata

MAA: More Anthropogenic Activity (St. 1 and St. 2); LAA: Less Anthropogenic Activity (St. 3 and St. 4)
*bloom forming diatoms and blue green algae

Table 6: List of dominant species of phytoplankton within the coastal waters of South Andaman.