!----------------------------------------------------------------------- &namp4zzoo ! parameters for microzooplankton for PISCES std - ln_p4z !----------------------------------------------------------------------- part = 0.75 ! part of calcite not dissolved in microzoo guts grazrat = 2.0 ! maximal zoo grazing rate resrat = 0.02 ! Linear mortality rate of zooplankton mzrat = 0.005 ! zooplankton mortality rate xprefc = 0.15 ! Microzoo preference for POM xprefn = 1. ! Microzoo preference for Nanophyto xprefd = 0.8 ! Microzoo preference for Diatoms xthreshdia = 1.E-8 ! Diatoms feeding threshold for microzooplankton xthreshphy = 1.E-8 ! Nanophyto feeding threshold for microzooplankton xthreshpoc = 1.E-8 ! POC feeding threshold for microzooplankton xthresh = 3.E-7 ! Food threshold for feeding xkgraz = 20.E-6 ! half sturation constant for grazing epsher = 0.4 ! Efficiency of microzoo growth epshermin = 0.4 ! Minimum efficiency of microzoo growth sigma1 = 0.6 ! Fraction of microzoo excretion as DOM unass = 0.3 ! non assimilated fraction of phyto by zoo xsigma = 0.5 ! Predation window size xsigmadel = 1.0 ! Predation window size scaling /