Modiolus modiolus: Population traits

at T = 15 °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: 2025/05/22
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.191694 0.191694 0.595847 0.595847 1 1 scaled functional response
r 1/d 0 0 0.00767074 0.00123691 0.0107758 0.00162361 spec pop growth rate
t2 d NaN NaN 90.3625 560.385 64.3247 426.918 population doubling time
a_b d 2.25288 2.25288 1.89149 1.89149 1.77358 1.77358 age at birth
t_j d 0.000317793 0.000317793 0.000140136 0.000140136 0.000106131 0.000106131 time since birth at metam
t_p d 8357.09 8357.09 1510.16 1510.16 1063.36 1063.36 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.999889 1 0.999889 1 0.999889 survival probability at metam
S_p - 1 0.626867 1 0.443651 1 0.38064 survival probability at puberty
theta_0b - 0.00010255 0.198398 0.0140977 0.333559 0.018533 0.383084 frac of ind that is embryo
theta_bj - 1.47727e-08 2.85784e-05 1.05979e-06 2.52305e-05 1.12245e-06 2.33936e-05 frac of ind between b and j
theta_jp - 0.00010471 0.160377 0.0142003 0.226575 0.0185783 0.240879 frac of ind between j and p
theta_pi - 0.999793 0.641197 0.971701 0.439841 0.962888 0.376014 frac of ind that is adult
L_bi cm 1.25895 0.065463 0.165944 0.024326 0.158763 0.0241545 mean structural length of post-natals
L2_bi cm^2 1.67525 0.05576 0.0516675 0.00511113 0.047936 0.00514744 mean squared structural length of post-natals
L3_bi cm^3 2.27438 0.0700818 0.023301 0.00431653 0.0212681 0.00472017 mean cubed structural length of post-natals
Ww_bi g 2.84815 0.0877617 0.0415727 0.00770135 0.0492577 0.0109321 mean wet weight of post-natals
L_pi cm 1.25908 0.0804827 0.168281 0.0338256 0.161704 0.035722 mean structural length of adults
L2_pi cm^2 1.67543 0.0697019 0.0524221 0.00772621 0.0488601 0.00842097 mean squared structural length of adults
L3_pi cm^3 2.27462 0.0876138 0.0236416 0.00654023 0.0216785 0.0077441 mean cubed structural length of adults
Ww_pi g 2.84845 0.109717 0.0421803 0.0116688 0.0502081 0.0179356 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.00532826 0.000177349 0.000510798 5.05299e-05 0.00079535 8.5406e-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 0.349916 0.105664 0.28815 0.0897326 yield of living structure on food
Y_VX_d mol/mol 0.0248909 0.0609858 3.43573e-06 0.210215 1.36799e-06 0.179095 yield of dead structure on food
Y_EX mol/mol 0 0 0.274388 0.0828566 0.379215 0.118091 yield of living reserve on food
Y_EX_d mol/mol 0.00627938 0.0153853 2.69414e-06 0.164841 1.80032e-06 0.235695 yield of dead reserve on food
Y_CX mol/mol 0.859455 0.814254 0.266314 0.327048 0.223257 0.268011 yield of CO2 on food
Y_HX mol/mol 0.623582 0.590786 0.193226 0.237292 0.161985 0.194457 yield of H2O on food
Y_OX mol/mol -0.934657 -0.885501 -0.289617 -0.355665 -0.242792 -0.291462 yield of O2 on food
Y_NX mol/mol 0.128918 0.122138 0.0399472 0.0490572 0.0334885 0.0402016 yield of N-waste on food
mu_TX J/mol 456601 433545 146625 178327 119855 143504 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