!----------------------------------------------------------------------- &namp4zmes ! parameters for mesozooplankton for PISCES std - ln_p4z !----------------------------------------------------------------------- part2 = 0.75 ! part of calcite not dissolved in mesozoo guts grazrat2 = 0.75 ! maximal mesozoo grazing rate resrat2 = 0.005 ! exsudation rate of mesozooplankton mzrat2 = 0.03 ! mesozooplankton mortality rate xpref2d = 1. ! mesozoo preference for diatoms xpref2n = 0.3 ! mesozoo preference for nanophyto. xpref2z = 1. ! mesozoo preference for microzoo. xpref2c = 0.3 ! mesozoo preference for poc xthresh2zoo = 1E-8 ! zoo feeding threshold for mesozooplankton xthresh2dia = 1E-8 ! diatoms feeding threshold for mesozooplankton xthresh2phy = 1E-8 ! nanophyto feeding threshold for mesozooplankton xthresh2poc = 1E-8 ! poc feeding threshold for mesozooplankton xthresh2 = 3E-7 ! Food threshold for grazing xkgraz2 = 20.E-6 ! half saturation constant for meso grazing epsher2 = 0.35 ! Efficicency of Mesozoo growth epsher2min = 0.35 ! Minimum efficiency of mesozoo growth sigma2 = 0.6 ! Fraction of mesozoo excretion as DOM unass2 = 0.3 ! non assimilated fraction of P by mesozoo grazflux = 3.e3 ! flux-feeding rate /