Astrobiological Field Campaign to a Volcanosedimentary Mars Analogue Methane Producing Subsurface Protected Ecosystem: Imuruk Lake (Alaska)

Table 1

Growth obtained on different inoculated media after 72 h of incubation at 12°C.

	Fe^2+	Het.	P	M	F	VFA
T11-1 (30 cm)	—	+++	+++ Gas	+++	++	++ Gas
T11-2 (1 m)	±	Gas	Gas	++	+	+
T11-3 (1.5 m)	±	++	+	++	++	++
T11-4 (2.1 m)	±	+++	++	+	+	+
T11-5 (3.1 m)	±	++	++	+	+	+
T11-6 (3.6 m)	+	+++	+++	++	++	++