Table 1.

MTB abundance and MTB reads at 14 stations at the Kexue seamount.

Station	Longitude (139°E)	Latitude (11°N)	Depth (m)	Total reads	MTB reads	Percentage of MTB reads (%)	MTB OTUs	MTB abundance (inds.dm −3 )
M2-14-1	15′44″	20′55″	1, 427	26,252	128	0.49	13	70
M2-13	17′24″	20′06″	939	35,695	204	0.57	12	49
M2-13-1	18′17″	19′38″	491	27,072	36	0.13	9	9
M2-9	24′35″	16′45″	980	26,739	98	0.37	10	226
M2-10-1	25′33″	16′13″	1, 493	37,520	73	0.19	12	7
M2-5	21′59″	24′31″	2, 023	32,069	13	0.04	3	49
M2-4	21′04″	22′23″	1, 420	35,320	100	0.28	10	15
M2-2-2	19′49″	19′47″	475	35,092	85	0.24	9	107
M2-3	20′28″	21′08″	911	39,274	51	0.13	9	120
M2-2-1	19′49″	20′06″	575	26,252	24	0.09	9	33
M2-8-2	21′19″	18′21″	238	28,749	121	0.42	14	18
M2-8	21′46″	18′04″	495	25,797	184	0.71	14	9
M2-23	22′13″	16′19″	1, 583	32,791	13	0.04	5	10
M2-22	22′16″	15′59″	1, 676	30,474	0	0.00	0	43

Magnetotactic bacteria from the Kexue seamount were identified using two methods. MTB reads were obtained by metagenomics analysis. MTB abundance (inds./dm³) was based on the number of live MTB directly observed by microscopy and adjusted to account for the volume of sediment from which the counts was made.