Region: SPG

                                         vt04                    vt05                   vt05/vt04
                     Prod       mean       stdev        mean       stdev        mean       stdev         R^2        mapd
                  chlor_a     0.03571     0.01224     0.03666     0.01398     1.02236     0.12099     0.92327     7.92671
                  Rrs_410     0.01813     0.00370     0.01816     0.00350     1.00458     0.02121     0.99194     1.50712
                  Rrs_443     0.01354     0.00222     0.01366     0.00206     1.01109     0.01855     0.99303     1.50991
                  Rrs_486     0.00798     0.00084     0.00812     0.00076     1.01884     0.01525     0.99092     1.92167
                  Rrs_551     0.00178     0.00014     0.00181     0.00010     1.01997     0.06066     0.32037     4.79337
                  Rrs_671     0.00014     0.00002     0.00015     0.00003     1.12593     0.07430     0.83356    14.88941
                  aot_862     0.07501     0.02179     0.07641     0.02190     1.01968     0.01468     0.99831     1.48475
                 angstrom     0.84917     0.28030     0.74657     0.26283     0.87159     0.04581     0.98994    12.18279