| Comparison, Deep-Water Subset | Ratio, Deep-Water Subset | 
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| Comparison, Oligotrophic Subset | Ratio, Oligotrophic Subset | 
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| Comparison, Mesotrophic Subset | Ratio, Mesotrophic Subset | 
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| Comparison, Eutrophic Subset | Ratio, Eutrophic Subset | 
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| Comparison, SST < 15-deg (NH) Subset | Ratio, SST < 15-deg (NH) Subset | 
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| Comparison, SST > 15-deg Subset | Ratio, SST > 15-deg Subset | 
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| Comparison, SST < 15-deg (SH) Subset | Ratio, SST < 15-deg (SH) Subset | 
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