Region: Eutrophic Water

                        at20                at30           at30/at20         
          Prod     mean     stdev      mean     stdev      mean     stdev
       nLw_412     0.448     0.054     0.464     0.056     1.035     0.013
       nLw_443     0.613     0.059     0.625     0.061     1.019     0.006
       nLw_490     0.801     0.076     0.805     0.077     1.006     0.002
       nLw_510     0.749     0.078     0.750     0.078     1.002     0.001
       nLw_555     0.693     0.077     0.694     0.077     1.001     0.001
       nLw_670     0.125     0.025     0.125     0.025     1.000     0.001
       chlor_a     2.606     0.356     2.544     0.350     0.976     0.008
        eps_78     1.100     0.019     1.100     0.019     1.000     0.000
       tau_865     0.106     0.009     0.106     0.009     1.000     0.001
  angstrom_510     0.627     0.115     0.629     0.114     1.005     0.003