Region: Mesotrophic Water

                        at13                tt09           tt09/at13         
          Prod     mean     stdev      mean     stdev      mean     stdev
       nLw_412     1.220     0.071     1.088     0.079     0.892     0.041
       nLw_443     1.161     0.038     1.040     0.086     0.895     0.055
       nLw_490     1.004     0.026     0.926     0.054     0.922     0.038
       nLw_510     0.477     0.015     0.488     0.021     1.024     0.026
       nLw_555     0.344     0.012     0.356     0.014     1.035     0.020
       nLw_670     0.027     0.001     0.042     0.002     1.535     0.055
       chlor_a     0.244     0.016     0.334     0.043     1.366     0.131
        eps_78     1.047     0.008     1.064     0.008     1.017     0.003
       tau_865     0.118     0.005     0.112     0.005     0.950     0.032
  angstrom_510     0.328     0.039     0.417     0.041     1.274     0.044