Nautilus pompilius: Population traits

at T = 18.1 °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 - 0.715939 NaN 0.85797 NaN 1 1 scaled functional response
r 1/d 0 0 0.000451433 NaN 0.000754604 NaN spec pop growth rate
t2 d NaN NaN 1535.44 NaN 918.558 NaN population doubling time
a_b d 353.982 NaN 342.683 NaN 333.649 NaN age at birth
t_j d 8146.77 NaN 3760.09 NaN 2541.67 NaN time since birth at metam
t_p d 8871.75 NaN 4214.66 NaN 2886.35 NaN time since birth at puberty
S_b - 0.99964 NaN 0.999673 NaN 0.999698 NaN survival probability at birth
S_j - 0.997004 NaN 0.997478 NaN 0.997809 NaN survival probability at metam
S_p - 0.280623 NaN 0.860591 NaN 0.947751 NaN survival probability at puberty
theta_0b - 0.0537571 NaN 0.155551 NaN 0.228 NaN frac of ind that is embryo
theta_bj - 0.0537632 NaN 0.133241 NaN 0.177215 NaN frac of ind between b and j
theta_jp - 0.794826 NaN 0.600723 NaN 0.494058 NaN frac of ind between j and p
theta_pi - 0.097654 NaN 0.110486 NaN 0.100727 NaN frac of ind that is adult
L_bi cm 2.56236 NaN 2.65126 NaN 2.71001 NaN mean structural length of post-natals
L2_bi cm^2 7.77446 NaN 8.95263 NaN 9.72475 NaN mean squared structural length of post-natals
L3_bi cm^3 27.4632 NaN 37.4092 NaN 44.8282 NaN mean cubed structural length of post-natals
Ww_bi g 38.1356 NaN 54.8306 NaN 69.1606 NaN mean wet weight of post-natals
L_pi cm 4.94641 NaN 5.63616 NaN 6.10783 NaN mean structural length of adults
L2_pi cm^2 24.5139 NaN 32.0444 NaN 37.9733 NaN mean squared structural length of adults
L3_pi cm^3 121.714 NaN 183.702 NaN 240.112 NaN mean cubed structural length of adults
Ww_pi g 169.012 NaN 269.252 NaN 370.443 NaN mean wet weight of adults
R 1/d 0.00341273 NaN 0.00852975 NaN 0.01345 NaN mean reproduction rate of adults
J_X g/d 0.171113 NaN 0.254855 NaN 0.333409 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 0.0662642 NaN 0.10146 NaN yield of living structure on food
Y_VX_d mol/mol 0.0510425 NaN 0.0189301 NaN 0.0104206 NaN yield of dead structure on food
Y_EX mol/mol 0 NaN 0.0308591 NaN 0.0550713 NaN yield of living reserve on food
Y_EX_d mol/mol 0.0198354 NaN 0.00881569 NaN 0.00565621 NaN yield of dead reserve on food
Y_CX mol/mol 0.819747 NaN 0.765756 NaN 0.718017 NaN yield of CO2 on food
Y_HX mol/mol 0.589307 NaN 0.550493 NaN 0.516175 NaN yield of H2O on food
Y_OX mol/mol -0.891475 NaN -0.83276 NaN -0.780844 NaN yield of O2 on food
Y_NX mol/mol 0.122962 NaN 0.114863 NaN 0.107703 NaN yield of N-waste on food
mu_TX J/mol 436069 NaN 408082 NaN 383160 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