Table 1. Pearson correlation coefficients (and probability levels) for the principal component station scores and station locations with respect to depth (m), distance from the wellhead (km), and distance from seeps (km).

Station Location	Pearson Correlation (probability)
	PC 1	PC 2	PC 3
Wellhead	−0.487 (0.0001)	−0.403 (0.0018)	−0.320 (0.0144)
Seep	−0.248 (0.0604)	−0.188 (0.1568)	−0.496 (<0.0001)
Depth	0.0456 (0.7339)	−0.435 (0.0006)	−0.217 (0.1022)

n = 58.