Region: Oligotrophic Water

                                     ot07                  ot09             ot09/ot07         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.06094     0.00481     0.07884     0.00616     1.29499     0.05675
                  Rrs_412     0.01449     0.00090     0.01434     0.00093     0.98956     0.00434
                  Rrs_443     0.01140     0.00048     0.01103     0.00049     0.96736     0.00453
                  Rrs_490     0.00656     0.00018     0.00692     0.00017     1.05485     0.00737
                  Rrs_516     0.00307     0.00008     0.00314     0.00007     1.02569     0.01408
                  Rrs_565     0.00141     0.00006     0.00154     0.00005     1.08841     0.02373
                  Rrs_667     0.00013     0.00003     0.00021     0.00004     1.60893     0.12736
                  aot_862     0.08337     0.00570     0.07636     0.00476     0.91650     0.02213
                 angstrom     0.07091     0.01790     0.82196     0.09445    12.13055     2.49249