Japetella diaphana: Population traits

at T = 4 °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: 2025/03/23
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.025831 0.025831 0.512915 0.512915 1 1 scaled functional response
r 1/d 0 0 0.0225421 NaN 0.0222544 NaN spec pop growth rate
t2 d NaN NaN 30.7491 NaN 31.1465 NaN population doubling time
a_b d 23.8547 23.8547 19.1531 NaN 18.9601 NaN age at birth
t_j d 130.113 130.113 42.2415 NaN 40.421 NaN time since birth at metam
t_p d 919.696 919.696 166.547 NaN 158.157 NaN time since birth at puberty
S_b - 0.999812 0.999812 0.999897 NaN 0.999899 NaN survival probability at birth
S_j - 0.998973 0.334519 0.999615 NaN 0.999631 NaN survival probability at metam
S_p - 0.99223 0.00254125 0.999232 NaN 0.999293 NaN survival probability at puberty
theta_0b - 0.0334046 0.520415 0.350651 NaN 0.34426 NaN frac of ind that is embryo
theta_bj - 0.0334477 0.316827 0.227947 NaN 0.225996 NaN frac of ind between b and j
theta_jp - 0.148439 0.158011 0.171237 NaN 0.163434 NaN frac of ind between j and p
theta_pi - 0.784708 0.00474659 0.250165 NaN 0.26631 NaN frac of ind that is adult
L_bi cm 0.531958 0.0456219 0.314527 NaN 0.341891 NaN mean structural length of post-natals
L2_bi cm^2 0.352414 0.00473069 0.266262 NaN 0.315398 NaN mean squared structural length of post-natals
L3_bi cm^3 0.249086 0.00185791 0.35318 NaN 0.457527 NaN mean cubed structural length of post-natals
Ww_bi g 0.425823 0.00317617 5.32915 NaN 13.0251 NaN mean wet weight of post-natals
L_pi cm 0.634733 0.484312 0.687546 NaN 0.722519 NaN mean structural length of adults
L2_pi cm^2 0.431718 0.27525 0.676773 NaN 0.763194 NaN mean squared structural length of adults
L3_pi cm^3 0.306492 0.174674 0.914732 NaN 1.12469 NaN mean cubed structural length of adults
Ww_pi g 0.523961 0.298613 13.8024 NaN 32.0182 NaN mean wet weight of adults
R 1/d 7.21124 3.0516 6.9279 NaN 4.5858 NaN mean reproduction rate of adults
J_X g/d 0.0109471 0.000104435 0.173891 NaN 0.4026 NaN mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 0.109375 0.109375 NaN 0.109375 NaN yield of faeces on food
Y_VX mol/mol 0 0 0.0457838 NaN 0.0252906 NaN yield of living structure on food
Y_VX_d mol/mol 0.0627931 0.145159 0.000381377 NaN 0.000218278 NaN yield of dead structure on food
Y_EX mol/mol 0 0 0.64505 NaN 0.694695 NaN yield of living reserve on food
Y_EX_d mol/mol 0.0445542 0.102996 0.00537324 NaN 0.00599578 NaN yield of dead reserve on food
Y_CX mol/mol 0.783278 0.64247 0.194036 NaN 0.164425 NaN yield of CO2 on food
Y_HX mol/mol 0.56309 0.461865 0.139491 NaN 0.118203 NaN yield of H2O on food
Y_OX mol/mol -0.851814 -0.698686 -0.211014 NaN -0.178812 NaN yield of O2 on food
Y_NX mol/mol 0.117492 0.0963705 0.0291054 NaN 0.0246638 NaN yield of N-waste on food
mu_TX J/mol 416599 343273 91684.5 NaN 74365.5 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