Two-dimensional MDS configuration plot for 13 samples from five mussel community samples (M-GC1, M-GC2, M-GC3, M-AV1, M-AC1), five tubeworm community samples (T-GC1, T-GC2, T-GC3, T-AV1, T-AV2), and three non-seep sediment samples (S-GC1, S-GC2, S-GC3) from three different depths.