Region: Mesotrophic Water

                        st19                st20           st20/st19         
          Prod     mean     stdev      mean     stdev      mean     stdev
       nLw_412     1.361     0.052     1.367     0.052     1.005     0.001
       nLw_443     1.288     0.039     1.294     0.039     1.004     0.001
       nLw_490     1.062     0.027     1.067     0.027     1.005     0.001
       nLw_510     0.694     0.017     0.700     0.017     1.009     0.001
       nLw_555     0.364     0.010     0.367     0.010     1.009     0.001
       nLw_670     0.046     0.002     0.047     0.002     1.011     0.002
       chlor_a     0.245     0.015     0.247     0.015     1.007     0.001
        eps_78     1.034     0.006     1.040     0.006     1.006     0.000
       tau_865     0.133     0.005     0.132     0.005     0.992     0.001
  angstrom_510     0.312     0.038     0.345     0.039     1.107     0.010