Table 1.

Concentrations of MAAs in microalgal cultures (fg cell⁻¹) and in English Channel natural phytoplankton populations (ng L⁻¹); x = peak present but not quantified.

(a)
		Class	Bacillario phyceae		Chlorara chniophyceae	Chloro phyceae		Chryso phyceae		Crytophyceae				Cyano phyceae	Dinophyceae
		Species	P. tricornatum	T. weissflogii	C. reptans	C. concordia	D. tertiolecta	P. subviridis	R. maritime	C. maculata	C. salina	H brunnescens	R. reticulata	N. commune	A. tamarense	A carterae	G. foliaceum	G.galatheanum	G. venificum	H. triquetra
		Peak No.	λmax (nm)	MAA
1	330,346,366
2	292,306,320													2
3	278			x		x		x			x		x
4	354	Usijerene
5	360	Palythene													12				109
6	314
7	280			x				x			x		x		x
8	330	Asterina
9	310	M-glycine													2			125	310
10	320	Palythine													5			111	503
11	276			x		x		x		x	x		x
12	342																	35	7
13	294			x	x	x	x	x	x	x	x	x	x
14	310
15	338	Palyth. acid													0		373	1273	553
16	334	Porphyra-334		x											41			72	293
17	336																		x
18	334	Shinorine			12										1		6497	32	10
19	352
20	320													2
21	334													x
22	336																	89	15
23	328
24	384
25	334/336													6			44		30
26	334
27	334
28	308					x
29	374														x
fg cell−1					12									10	61		6913	1737	1900

(b)
		Class Species	Dino phyceae cont’d					Eugleno phyceae	Eustigmato phyceae	Prasino phyceae	Prymnesio phyceae			Raphido phyceae	Rhodo phyceae
			O. marina	P lima	P. micans	P. minimum	S. trochoidea	E. gracilis	N. oculata	N. rotunda	E. huxleyi	I. galbana	P. globosa	H. akashiwo	P. purpureum	R. marina	R. baltica	Plankton 7/07/2003	Plankton 11/08/2003
Peak No.	λmax (nm)	MAA
1	330,346, 366		54
2	292,306, 320
3	278		x									x					x
4	354	Usijerene
5	360	Palythene		95	67	40	296
6	314									x					x
7	280			x	x			x	x	x	x			x				6
8	330	Asterina												7
9	310	M-glycine	37	17	149	35	176											47	24
10	320	Palythine		1		13	15											11
11	276							x		x	x	x			x	x
12	342																	32	4
13	294							x	x	x	x					x	x
14	310						28										140
15	338	Palyth. acid		x	x	12	18											28	6
16	334	Porphyra-334			314	4	5324											7	15
17	336						x											1
18	334	Shinorine	296	8	66	31	277											41	7
19	352				1
20	320			x	x	4	21
21	334											x
22	336
23	328					1
24	384							x											1
25	334/336				x	5	28
26	334				x	x
27	334				x														2
28	308								x
29	374													x	x
fg cell−1			387	121	597	146	6155	12						7			140	173	59