Punctum pygmaeum: Population traits

at T = 21.5 °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: 2024/12/04
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.402357 0.402357 0.701178 0.701178 1 1 scaled functional response
r 1/d 0 0 NaN NaN 0.00716406 NaN spec pop growth rate
t2 d NaN NaN NaN NaN 96.7534 NaN population doubling time
a_b d 3.91907 3.91907 NaN NaN 3.41185 NaN age at birth
t_j d 0.0023556 0.0023556 NaN NaN 0.0011737 NaN time since birth at metam
t_p d NaN NaN NaN NaN 59.9235 NaN time since birth at puberty
S_b - 0.999986 0.999986 NaN NaN 0.999991 NaN survival probability at birth
S_j - 0.999986 0.999757 NaN NaN 0.999991 NaN survival probability at metam
S_p - 0.999904 0.802134 NaN NaN 0.999947 NaN survival probability at puberty
theta_0b - 0.021146 0.0518898 NaN NaN 0.0326456 NaN frac of ind that is embryo
theta_bj - 1.27223e-05 3.12156e-05 NaN NaN 1.10991e-05 NaN frac of ind between b and j
theta_jp - 0.0211531 0.0463326 NaN NaN 0.0318615 NaN frac of ind between j and p
theta_pi - 0.957688 0.901746 NaN NaN 0.935482 NaN frac of ind that is adult
L_bi cm 0.0252207 0.024582 NaN NaN 0.0544897 NaN mean structural length of post-natals
L2_bi cm^2 0.000641579 0.000613081 NaN NaN 0.00315218 NaN mean squared structural length of post-natals
L3_bi cm^3 1.64293e-05 1.54623e-05 NaN NaN 0.000188679 NaN mean cubed structural length of post-natals
Ww_bi g 2.12315e-05 1.99819e-05 NaN NaN 0.000325745 NaN mean wet weight of post-natals
L_pi cm 0.0254137 0.0249998 NaN NaN 0.0557065 NaN mean structural length of adults
L2_pi cm^2 0.000649743 0.000630665 NaN NaN 0.00324747 NaN mean squared structural length of adults
L3_pi cm^3 1.6693e-05 1.60275e-05 NaN NaN 0.000194876 NaN mean cubed structural length of adults
Ww_pi g 2.15723e-05 2.07122e-05 NaN NaN 0.000336445 NaN mean wet weight of adults
R 1/d 0 0 NaN NaN 0.0225366 NaN mean reproduction rate of adults
J_X g/d 4.42483e-06 4.22829e-06 NaN NaN 5.40344e-05 NaN mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 0.109375 NaN NaN 0.109375 NaN yield of faeces on food
Y_VX mol/mol 0 0 NaN NaN 0.0250157 NaN yield of living structure on food
Y_VX_d mol/mol 0.0230826 0.0385868 NaN NaN 0.0132991 NaN yield of dead structure on food
Y_EX mol/mol 0 0 NaN NaN 0.0181727 NaN yield of living reserve on food
Y_EX_d mol/mol 0.00674688 0.0112787 NaN NaN 0.00966117 NaN yield of dead reserve on food
Y_CX mol/mol 0.860796 0.840759 NaN NaN 0.824476 NaN yield of CO2 on food
Y_HX mol/mol 0.621686 0.607215 NaN NaN 0.595455 NaN yield of H2O on food
Y_OX mol/mol -0.936115 -0.914326 NaN NaN -0.896618 NaN yield of O2 on food
Y_NX mol/mol 0.129119 0.126114 NaN NaN 0.123671 NaN yield of N-waste on food
mu_TX J/mol 457248 447003 NaN NaN 438034 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