Cephaloscyllium isabellum: Population traits

at T = 11.8 °C with background hazards for embryo, juv, adult: 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 std f_min f_max date: 2022/12/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.729653 0.729653 NaN NaN 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000271983 0.000271983 NaN NaN spec pop growth rate
t2 d NaN NaN NaN NaN 2548.5 2548.5 NaN NaN population doubling time
a_b d 413.765 410.349 NaN NaN 400.479 397.712 NaN NaN age at birth
t_p d 5541.04 2406.12 NaN NaN 3485.54 1856.21 NaN NaN time since birth at puberty
S_b - 0.999713 0.99974 NaN NaN 0.999738 0.999762 NaN NaN survival probability at birth
S_p - 0.998423 0.99859 NaN NaN 0.998634 0.998771 NaN NaN survival probability at puberty
theta_0b - 0.0516615 0.0495537 NaN NaN 0.11979 0.117949 NaN NaN frac of ind that is embryo
theta_bp - 0.0516372 0.0495336 NaN NaN 0.10738 0.105815 NaN NaN fraction of individuals that is juvenile
theta_pi - 0.896701 0.900913 NaN NaN 0.77283 0.776237 NaN NaN frac of ind that is adult
L_bi cm 7.05701 7.53244 NaN NaN 6.90084 7.24143 NaN NaN mean structural length of post-natals
L2_bi cm^2 54.2914 62.1269 NaN NaN 56.4394 62.7392 NaN NaN mean squared structural length of post-natals
L3_bi cm^3 439.701 540.297 NaN NaN 514.607 608.796 NaN NaN mean cubed structural length of post-natals
Ww_bi g 1124.09 1446.79 NaN NaN 1612.36 2008.67 NaN NaN mean wet weight of post-natals
L_pi cm 7.32246 7.81072 NaN NaN 7.50784 7.88055 NaN NaN mean structural length of adults
L2_pi cm^2 57.0682 65.2022 NaN NaN 63.3746 70.3866 NaN NaN mean squared structural length of adults
L3_pi cm^3 464.143 569.137 NaN NaN 583.732 689.39 NaN NaN mean cubed structural length of adults
Ww_pi g 1186.58 1524.02 NaN NaN 1828.95 2274.59 NaN NaN mean wet weight of adults
R 1/d 0 0.00136544 NaN NaN 0.000356891 0.00162985 NaN NaN mean reproduction rate of adults
J_X g/d 1.84077 2.27057 NaN NaN 2.62261 3.14251 NaN NaN mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 0.109375 NaN NaN 0.109375 0.109375 NaN NaN yield of faeces on food
Y_VX mol/mol 0 0 NaN NaN 0.0533682 0.0526909 NaN NaN yield of living structure on food
Y_VX_d mol/mol 0.0521908 0.0507118 NaN NaN 0.0238499 0.0225859 NaN NaN yield of dead structure on food
Y_EX mol/mol 0 0 NaN NaN 0.113845 0.121158 NaN NaN yield of living reserve on food
Y_EX_d mol/mol 0.0812347 0.085083 NaN NaN 0.0508767 0.0519345 NaN NaN yield of dead reserve on food
Y_CX mol/mol 0.70041 0.698218 NaN NaN 0.600034 0.594086 NaN NaN yield of CO2 on food
Y_HX mol/mol 0.601553 0.599671 NaN NaN 0.515344 0.510236 NaN NaN yield of H2O on food
Y_OX mol/mol -0.823454 -0.820878 NaN NaN -0.705445 -0.698453 NaN NaN yield of O2 on food
Y_NX mol/mol 0.05679 0.0566123 NaN NaN 0.0486514 0.0481691 NaN NaN yield of N-waste on food
mu_TX J/mol 394797 393442 NaN NaN 337359 333784 NaN NaN yield of heat on food

Remarks

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