Region: Eutrophic Water

                        at18                at20           at20/at18         
          Prod     mean     stdev      mean     stdev      mean     stdev
       nLw_412     0.466     0.055     0.425     0.054     0.910     0.025
       nLw_443     0.620     0.058     0.574     0.059     0.924     0.013
       nLw_490     0.812     0.077     0.779     0.077     0.959     0.005
       nLw_510     0.753     0.079     0.736     0.079     0.978     0.003
       nLw_555     0.694     0.078     0.673     0.078     0.970     0.003
       nLw_670     0.126     0.026     0.123     0.026     0.976     0.004
       chlor_a     2.358     0.299     2.659     0.384     1.125     0.031
        eps_78     1.085     0.019     1.088     0.019     1.003     0.000
       tau_865     0.109     0.009     0.109     0.009     0.993     0.002
  angstrom_510     0.544     0.113     0.561     0.113     1.032     0.007