Arenicola marina: Population traits

at T = 20 °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: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.0735033 0.137153 0.568576 0.568576 1 1 scaled functional response
r 1/d 0 0 0.038266 0.00186999 0.062583 0.00271049 spec pop growth rate
t2 d NaN NaN 18.1139 370.669 11.0757 255.727 population doubling time
a_b d 10.156 9.24073 7.31158 7.31158 6.65275 6.65275 age at birth
t_j d 844.767 385.924 90.6542 90.6542 55.6931 55.6931 time since birth at metam
t_p d 4266.16 953.581 198.932 198.932 120.909 120.909 time since birth at puberty
S_b - 0.999995 0.999996 0.999998 0.999998 0.999998 0.999998 survival probability at birth
S_j - 0.999967 0.840617 0.999988 0.554585 0.999991 0.417275 survival probability at metam
S_p - 0.970033 0.000706475 0.999729 0.00066909 0.999897 0.000664453 survival probability at puberty
theta_0b - 0.0037273 0.146974 0.243623 0.376983 0.340138 0.472911 frac of ind that is embryo
theta_bj - 0.00376302 0.135731 0.184608 0.281919 0.224721 0.310779 frac of ind between b and j
theta_jp - 0.305195 0.715022 0.548216 0.340139 0.414925 0.215501 frac of ind between j and p
theta_pi - 0.687315 0.00227242 0.0235527 0.000958722 0.020216 0.000808845 frac of ind that is adult
L_bi cm 0.298265 0.0236819 0.0417507 0.0230021 0.0416378 0.0230408 mean structural length of post-natals
L2_bi cm^2 0.121379 0.00140115 0.00477471 0.00130368 0.00477607 0.00135915 mean squared structural length of post-natals
L3_bi cm^3 0.0536315 0.00059478 0.00135025 0.00114389 0.00137472 0.00139167 mean cubed structural length of post-natals
Ww_bi g 0.0548917 0.000620859 0.00159568 0.00135182 0.0018142 0.00183657 mean wet weight of post-natals
L_pi cm 0.404339 0.474181 0.290726 0.487294 0.292596 0.492576 mean structural length of adults
L2_pi cm^2 0.17343 0.292783 0.0976619 0.452945 0.0994013 0.488738 mean squared structural length of adults
L3_pi cm^3 0.077462 0.213937 0.0388005 0.727927 0.0402407 0.891295 mean cubed structural length of adults
Ww_pi g 0.0792822 0.223317 0.0458531 0.860239 0.0531051 1.17623 mean wet weight of adults
R 1/d 0 12.3129 16.8472 123.503 31.4779 203.887 mean reproduction rate of adults
J_X g/d 0.000398002 5.84183e-06 0.000102958 2.22366e-05 0.00018157 4.1732e-05 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 0.501845 0.096196 0.473836 0.0903892 yield of living structure on food
Y_VX_d mol/mol 0.106849 0.234723 9.63973e-05 0.283298 3.28332e-05 0.289527 yield of dead structure on food
Y_EX mol/mol 0 0 0.091218 0.0174851 0.151478 0.028896 yield of living reserve on food
Y_EX_d mol/mol 0.00251071 0.0102916 1.75217e-05 0.0514937 1.04963e-05 0.0925575 yield of dead reserve on food
Y_CX mol/mol 0.781266 0.645611 0.297448 0.442152 0.265267 0.389255 yield of CO2 on food
Y_HX mol/mol 0.563813 0.465916 0.214658 0.319087 0.191435 0.280912 yield of H2O on food
Y_OX mol/mol -0.849627 -0.702102 -0.323475 -0.480841 -0.288478 -0.423315 yield of O2 on food
Y_NX mol/mol 0.11719 0.0968416 0.0446172 0.0663228 0.0397901 0.0583882 yield of N-waste on food
mu_TX J/mol 417695 349478 171350 244815 152247 215742 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