Region: Oligotrophic Water

                                     st74                  at46             at46/st74         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.05806     0.00728     0.05656     0.00564     0.97930     0.07056
                  chl_oc3     0.05713     0.00738     0.05656     0.00564     0.99565     0.07313
                  Rrs_412     0.01367     0.00071     0.01350     0.00070     0.98853     0.03819
                  Rrs_443     0.01050     0.00042     0.01046     0.00043     0.99654     0.01310
          Rrs_490,Rrs_488     0.00648     0.00014     0.00668     0.00016     1.03050     0.01289
          Rrs_510,Rrs_531     0.00346     0.00006     0.00227     0.00005     0.65556     0.01539
          Rrs_555,Rrs_547     0.00151     0.00005     0.00167     0.00003     1.10663     0.04195
          Rrs_670,Rrs_667     0.00020     0.00002     0.00014     0.00001     0.71837     0.08420
          Rrs_670,Rrs_678     0.00020     0.00002     0.00014     0.00002     0.72031     0.07869
          aot_865,aot_869     0.06242     0.00444     0.08023     0.00596     1.28752     0.08036
                 angstrom     0.66962     0.11244     0.52396     0.10276     0.78365     0.09125