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. 2021 Sep 8;9(2):e00833-21. doi: 10.1128/Spectrum.00833-21

TABLE 2.

Spearman's rank correlation analysis of concentrations of each Hg species and environmental factors in the Oyashio region

Factor^a	Rho (n = 29)
Factor^a	THg level	MeHg level	MeHg/THg ratio
THg level	NA	NA	NA
MeHg level	0.36	NA	NA
MeHg/THg ratio	0.21	0.98^b	NA
Temperature	−0.56^b	−0.62^b	−0.51^b
Salinity	−0.43^c	0.32	0.45^c
Dissolved oxygen	−0.07	−0.82^b	−0.86^b
Chl. a level	−0.109	−0.69^b	−0.71^b
Nitrate (NO₂) level	−0.218	0.29	0.32
Nitrite (NO₃) level	0.40	0.91^b	0.87^b
Phosphate (PO₄) level	0.57	0.87^b	0.80^b
Silicate (Si) level	0.49	0.90^b	0.85^b
POC (n = 17)^d	−0.10	−0.40	−0.38
PN (n = 17)^d	−0.14	−0.49^c	−0.46^c
PA	−0.272	−0.65^b	−0.67^b
AOU	0.31	0.89^b	0.87^b

^a

POC, particulate organic carbon; PN, particulate nitrogen; PA, prokaryotic abundance; NA, not applicable.

^b

P < 0.01.

^c

P < 0.05.

^d

The number used for statistical analysis.