Ascidiella aspersa: Population traits

at T = 20 °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_minf f_max date: 2024/05/12
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.080091 0.08582 0.54291 0.54291 1 1 scaled functional response
r 1/d 0 0 0.144133 0.0318268 0.161686 0.0310291 spec pop growth rate
t2 d NaN NaN 4.80909 21.7787 4.287 22.3386 population doubling time
a_b d 1.30963 1.29745 1.1018 1.1018 1.0776 1.0776 age at birth
t_p d Inf 710.123 46.922 46.922 39.8417 39.8417 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.473338 1 0.295136 1 0.275115 survival probability at puberty
theta_0b - 0.002218 0.14156 0.14668 0.486095 0.159737 0.504451 frac of ind that is embryo
theta_bp - 0.0022215 0.0972629 0.1253 0.255898 0.134358 0.256935 fraction of individuals that is juvenile
theta_pi - 0.99556 0.761178 0.728019 0.258007 0.705906 0.238614 frac of ind that is adult
L_bi cm 0.108066 0.0853412 0.066476 0.0358809 0.0673805 0.0365403 mean structural length of post-natals
L2_bi cm^2 0.011892 0.00927143 0.00705655 0.00332757 0.00745134 0.00376509 mean squared structural length of post-natals
L3_bi cm^3 0.00131846 0.00107207 0.00103665 0.000698632 0.00117272 0.000984259 mean cubed structural length of post-natals
Ww_bi g 0.00239194 0.00200738 0.00675811 0.0045545 0.0130945 0.0109901 mean wet weight of post-natals
L_pi cm 0.108276 0.0945413 0.0751994 0.0566471 0.077132 0.0595303 mean structural length of adults
L2_pi cm^2 0.0119181 0.0104331 0.00822688 0.0063995 0.00881832 0.00756209 mean squared structural length of adults
L3_pi cm^3 0.00132139 0.00120874 0.00121433 0.00138792 0.00139505 0.00203991 mean cubed structural length of adults
Ww_pi g 0.00239727 0.0022633 0.00791645 0.0090481 0.015577 0.0227774 mean wet weight of adults
R 1/d 0.279998 0 1.97909 1.70632 1.79576 2.31169 mean reproduction rate of adults
J_X g/d 0.00155982 0.00130308 0.00627418 0.00295863 0.0122031 0.00616612 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.149953 0.149953 0.149953 0.149953 0.149953 0.149953 yield of faeces on food
Y_VX mol/mol 0 0 0.00714431 0.00225461 0.00466142 0.0014859 yield of living structure on food
Y_VX_d mol/mol 0.000467743 0.00123076 1.09575e-07 0.0042714 5.33557e-08 0.00284612 yield of dead structure on food
Y_EX mol/mol 0 0 0.0394306 0.0124436 0.0473875 0.0151055 yield of living reserve on food
Y_EX_d mol/mol 0.000380834 0.00107376 6.04761e-07 0.0235746 5.42408e-07 0.0289333 yield of dead reserve on food
Y_CX mol/mol 0.849198 0.847742 0.803471 0.807503 0.797997 0.801676 yield of CO2 on food
Y_HX mol/mol 0.609778 0.608719 0.576524 0.579456 0.572544 0.575219 yield of H2O on food
Y_OX mol/mol -0.923503 -0.92192 -0.873775 -0.878159 -0.867822 -0.871823 yield of O2 on food
Y_NX mol/mol 0.12738 0.127161 0.120521 0.121125 0.1197 0.120251 yield of N-waste on food
mu_TX J/mol 452579 451817 427763 429950 424628 426635 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