Table 2.

Methane production in the microcosms incubated at 45 and 95 °C.

Sample Sites		CH4 (ppm)
		45 °C	95 °C 1
Yellow Fumaroles	D5 D6	445 5779	n.d. 22,300
Blackish White/ Grayish Fumaroles	FNA1 FNA2	249 --	7600 11,300
Small Iron Black Pool Iron Dark Lake	D1 D8	8397 3351
Green Pool	D7	199

¹: At 95 °C only inoculum from samples from fumaroles with similar temperature (Table 1) were incubated.