Mercenaria mercenaria: Population traits

at T = 15 °C with background hazards for embryo, larva, juv, adult: 0, 0, 0, 0 1/d

Ln survival probability as function of age, with (dashed) and without (solid) thinning at max (red) and min (blue) scaled functional response for females.
Ln survivor function of the stable age distribution as function of age, with (dashed) and without (solid) thinning at max (red) and min (blue) scaled functional response for females.
model abj f_minf f_max date: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.187582 NaN 0.593791 NaN 1 1 scaled functional response
r 1/d 0 0 0.00685571 NaN 0.0123925 NaN spec pop growth rate
t2 d NaN NaN 101.105 NaN 55.9328 NaN population doubling time
a_b d 1.96178 NaN 1.67527 NaN 1.55211 NaN age at birth
t_j d 351.772 NaN 109.637 NaN 65.6046 NaN time since birth at metam
t_p d 20131.1 NaN 1835.06 NaN 1021.66 NaN time since birth at puberty
S_b - 1 NaN 1 NaN 1 NaN survival probability at birth
S_j - 1 NaN 1 NaN 1 NaN survival probability at metam
S_p - 0.999999 NaN 1 NaN 1 NaN survival probability at puberty
theta_0b - 4.57535e-05 NaN 0.0111547 NaN 0.0186298 NaN frac of ind that is embryo
theta_bj - 4.74568e-05 NaN 0.0112921 NaN 0.0186958 NaN frac of ind between b and j
theta_jp - 0.00846216 NaN 0.51122 NaN 0.527414 NaN frac of ind between j and p
theta_pi - 0.991445 NaN 0.466333 NaN 0.435261 NaN frac of ind that is adult
L_bi cm 0.89116 NaN 0.0885045 NaN 0.0806114 NaN mean structural length of post-natals
L2_bi cm^2 0.828476 NaN 0.022236 NaN 0.0192885 NaN mean squared structural length of post-natals
L3_bi cm^3 0.780315 NaN 0.00832837 NaN 0.00704036 NaN mean cubed structural length of post-natals
Ww_bi g 0.785792 NaN 0.00851341 NaN 0.00730379 NaN mean wet weight of post-natals
L_pi cm 0.898689 NaN 0.174244 NaN 0.166899 NaN mean structural length of adults
L2_pi cm^2 0.835585 NaN 0.0468908 NaN 0.0432036 NaN mean squared structural length of adults
L3_pi cm^3 0.787012 NaN 0.0176534 NaN 0.0158665 NaN mean cubed structural length of adults
Ww_pi g 0.792536 NaN 0.0180457 NaN 0.0164601 NaN mean wet weight of adults
R 1/d 0 NaN 0 NaN 0 NaN mean reproduction rate of adults
J_X g/d 0.00259281 NaN 0.000221299 NaN 0.000323546 NaN mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN 0.109375 NaN 0.109375 NaN yield of faeces on food
Y_VX mol/mol 0 NaN 0.258007 NaN 0.26966 NaN yield of living structure on food
Y_VX_d mol/mol 0.0084763 NaN 5.52088e-07 NaN 1.66853e-07 NaN yield of dead structure on food
Y_EX mol/mol 0 NaN 0.00573235 NaN 0.0100898 NaN yield of living reserve on food
Y_EX_d mol/mol 5.94928e-05 NaN 1.22662e-08 NaN 6.24312e-09 NaN yield of dead reserve on food
Y_CX mol/mol 0.882089 NaN 0.626885 NaN 0.610875 NaN yield of CO2 on food
Y_HX mol/mol 0.640005 NaN 0.45484 NaN 0.443223 NaN yield of H2O on food
Y_OX mol/mol -0.959272 NaN -0.681737 NaN -0.664326 NaN yield of O2 on food
Y_NX mol/mol 0.132313 NaN 0.0940327 NaN 0.0916312 NaN yield of N-waste on food
mu_TX J/mol 468229 NaN 340343 NaN 332120 NaN yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female are the same.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer