Metridium senile: Population traits

at T = 15 °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: 2023/04/15
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.0409381 0.0480374 0.524019 0.524019 1 1 scaled functional response
r 1/d 0 0 0.0306949 0.00138692 0.032859 0.00132288 spec pop growth rate
t2 d NaN NaN 22.5818 499.776 21.0946 523.967 population doubling time
a_b d 5.58685 5.44117 4.06724 4.06724 3.93245 3.93245 age at birth
t_p d 3435.47 986.499 84.8839 84.8839 71.9373 71.9373 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.63978 1 0.316111 1 0.286188 survival probability at puberty
theta_0b - 0.000981272 0.047541 0.117174 0.436265 0.121029 0.467279 frac of ind that is embryo
theta_bp - 0.00098364 0.038062 0.103613 0.244306 0.106546 0.249145 fraction of individuals that is juvenile
theta_pi - 0.998035 0.914397 0.779213 0.319429 0.772425 0.283576 frac of ind that is adult
L_bi cm 0.154923 0.15788 0.158986 0.122235 0.173971 0.120012 mean structural length of post-natals
L2_bi cm^2 0.0242253 0.0278086 0.0413655 0.0737354 0.051268 0.0908034 mean squared structural length of post-natals
L3_bi cm^3 0.00380357 0.00504914 0.0150184 0.0926101 0.0216372 0.177311 mean cubed structural length of post-natals
Ww_bi g 0.00472358 0.00648222 0.0615172 0.379343 0.149479 1.22494 mean wet weight of post-natals
L_pi cm 0.155051 0.163379 0.175856 0.192338 0.193395 0.197967 mean structural length of adults
L2_pi cm^2 0.0242486 0.0289384 0.0467252 0.129395 0.0581834 0.169694 mean squared structural length of adults
L3_pi cm^3 0.0038073 0.0052586 0.0170106 0.163416 0.0246162 0.333063 mean cubed structural length of adults
Ww_pi g 0.00472821 0.00675112 0.0696777 0.669376 0.17006 2.30095 mean wet weight of adults
R 1/d 0 0.00796473 0.0634329 0.346975 0.05963 0.427992 mean reproduction rate of adults
J_X g/d 0.000142407 0.00019182 0.00311258 0.00554827 0.00736175 0.0130388 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 0.109375 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0.148105 0.02315 0.0965771 0.0179895 yield of living structure on food
Y_VX_d mol/mol 0.00491931 0.0130437 2.97906e-07 0.045886 1.64519e-07 0.0358932 yield of dead structure on food
Y_EX mol/mol 0 0 0.458552 0.0716755 0.57062 0.10629 yield of living reserve on food
Y_EX_d mol/mol 0.00118989 0.00370215 9.22357e-07 0.142069 9.7205e-07 0.212073 yield of dead reserve on food
Y_CX mol/mol 0.884516 0.873879 0.283967 0.607844 0.223426 0.518379 yield of CO2 on food
Y_HX mol/mol 0.645205 0.637446 0.207138 0.443389 0.162977 0.378129 yield of H2O on food
Y_OX mol/mol -0.961911 -0.950344 -0.308814 -0.661031 -0.242976 -0.563737 yield of O2 on food
Y_NX mol/mol 0.132677 0.131082 0.0425951 0.0911767 0.033514 0.0777569 yield of N-waste on food
mu_TX J/mol 469386 463942 146243 320422 110370 270459 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