Spisula solidissima: Population traits

at T = 14 °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: 2023/03/16
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.124719 0.125721 0.56286 0.56286 1 1 scaled functional response
r 1/d 0 0 0.0196521 0.00346723 0.0337873 0.00577485 spec pop growth rate
t2 d NaN NaN 35.271 199.914 20.515 120.029 population doubling time
a_b d 5.2024 5.19602 4.08277 4.08277 3.70747 3.70747 age at birth
t_j d 155.223 153.95 36.1674 36.1674 22.064 22.064 time since birth at metam
t_p d 10707.6 9144.21 581.495 581.495 337.741 337.741 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.848818 1 0.575832 1 0.439459 survival probability at metam
S_p - 0.999996 0.0077782 1 0.00752626 1 0.00749767 survival probability at puberty
theta_0b - 0.000352614 0.136286 0.0766202 0.359059 0.117098 0.456078 frac of ind that is embryo
theta_bj - 0.000355502 0.126727 0.071193 0.274148 0.10395 0.306773 frac of ind between b and j
theta_jp - 0.0102516 0.704992 0.398559 0.355859 0.36001 0.228013 frac of ind between j and p
theta_pi - 0.98904 0.0319957 0.453627 0.010934 0.418941 0.00913627 frac of ind that is adult
L_bi cm 0.587289 0.0227313 0.0755735 0.0135222 0.0722956 0.0134821 mean structural length of post-natals
L2_bi cm^2 0.363006 0.0060006 0.0130606 0.000614138 0.0121596 0.000606259 mean squared structural length of post-natals
L3_bi cm^3 0.228197 0.00349712 0.00344503 0.000231248 0.00317565 0.000239749 mean cubed structural length of post-natals
Ww_bi g 0.242249 0.00371419 0.0044024 0.000295511 0.00474355 0.000358119 mean wet weight of post-natals
L_pi cm 0.593368 0.304959 0.13443 0.113581 0.131687 0.112719 mean structural length of adults
L2_pi cm^2 0.366894 0.157772 0.0261377 0.026829 0.0251502 0.0267741 mean squared structural length of adults
L3_pi cm^3 0.230644 0.0943341 0.00700035 0.0134059 0.00667963 0.0141212 mean cubed structural length of adults
Ww_pi g 0.244847 0.10019 0.00894574 0.0171314 0.00997753 0.0210932 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.00143665 2.35684e-05 0.000234496 9.3703e-06 0.000388116 1.64119e-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 0.288713 0.0855669 0.276455 0.0843603 yield of living structure on food
Y_VX_d mol/mol 0.0131805 0.0355631 7.96848e-07 0.191945 2.47397e-07 0.188233 yield of dead structure on food
Y_EX mol/mol 0 0 0.080233 0.0237789 0.136493 0.0416509 yield of living reserve on food
Y_EX_d mol/mol 0.000811615 0.00220746 2.21443e-07 0.0533412 1.22146e-07 0.0929352 yield of dead reserve on food
Y_CX mol/mol 0.876633 0.852854 0.521678 0.535993 0.477677 0.483446 yield of CO2 on food
Y_HX mol/mol 0.636046 0.618793 0.378506 0.388893 0.346581 0.350767 yield of H2O on food
Y_OX mol/mol -0.953338 -0.927479 -0.567324 -0.582892 -0.519474 -0.525748 yield of O2 on food
Y_NX mol/mol 0.131495 0.127928 0.0782516 0.0803989 0.0716515 0.0725169 yield of N-waste on food
mu_TX J/mol 465463 453504 284015 291328 259201 262181 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