Region: Oligotrophic Water

                                   ar2005              ar2009.1          ar2009.1/ar2         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.05806     0.00531     0.05690     0.00617     0.98075     0.06579
                  Rrs_412     0.01391     0.00088     0.01405     0.00070     1.01310     0.06391
                  Rrs_443     0.01054     0.00047     0.01075     0.00046     1.01999     0.02591
                  Rrs_488     0.00684     0.00019     0.00683     0.00016     0.99841     0.01005
                  Rrs_531     0.00232     0.00007     0.00235     0.00004     1.01111     0.02495
          Rrs_551,Rrs_547     0.00158     0.00005     0.00171     0.00004     1.08549     0.03264
                  Rrs_667     0.00014     0.00001     0.00016     0.00001     1.17076     0.10014
          tau_869,aot_869     0.10956     0.00736     0.08049     0.00528     0.73487     0.01571
    angstrom_531,angstrom     0.22965     0.04975     0.77686     0.08973     3.47290     0.50301