Table 3. Growth traits of A. maxima, A. platensis, and Leptolyngbya BL0902.

Strain	Temperature °C)				NaCl (M)					pH					Light intensity µmol photons m−2 s−1)				Urea (mM)
	10	22	30	40	0a	0.1	0.25	0.5	1	Stda	8	9	10	11	15	125	250	500	0a	8	16.7	32
Arthrospira maxima CS-328	−	+	+	+	+	+	+	+	−	+	+	+	+	+	+	+	+	+	+	−	−	−
Arthrospira platensis BL0909	−	+	+	+	+	+	+	+	−	nd	nd	nd	nd	nd	+	+	+	+/−	nd	nd	nd	nd
Leptolyngbya L0902	−	+	+	+	+	+	+	+	−	+	+	+	+	+	+/−	+	+	+	+	+	+	+

^aStd, corresponds to BG-11 medium.

+, robust growth; +/−, some growth; −, no significant growth; nd, not determined due to inability of strain BL0909 to grow in BG-11 medium.