Cancer pagurus: Population traits

at T = 8 °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_min f_max date: 2022/12/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.355725 0.355725 NaN NaN 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0111078 0.0111078 NaN NaN spec pop growth rate
t2 d NaN NaN NaN NaN 62.4016 62.4016 NaN NaN population doubling time
a_b d 33.3892 32.5191 NaN NaN 28.1054 27.3541 NaN NaN age at birth
t_j d 2181.76 1693.47 NaN NaN 589.107 501.455 NaN NaN time since birth at metam
t_p d 5901.13 2621.51 NaN NaN 1042.45 720.03 NaN NaN time since birth at puberty
S_b - 1 1 NaN NaN 1 1 NaN NaN survival probability at birth
S_j - 1 1 NaN NaN 1 1 NaN NaN survival probability at metam
S_p - 0.999987 0.999994 NaN NaN 0.999999 1 NaN NaN survival probability at puberty
theta_0b - 0.000839055 0.000784935 NaN NaN 0.267909 0.261802 NaN NaN frac of ind that is embryo
theta_bj - 0.000841611 0.000787081 NaN NaN 0.196316 0.193426 NaN NaN frac of ind between b and j
theta_jp - 0.0541515 0.040201 NaN NaN 0.534721 0.541959 NaN NaN frac of ind between j and p
theta_pi - 0.944168 0.958227 NaN NaN 0.00105358 0.00281265 NaN NaN frac of ind that is adult
L_bi cm 4.03619 4.93375 NaN NaN 0.0943828 0.120132 NaN NaN mean structural length of post-natals
L2_bi cm^2 17.0942 25.2886 NaN NaN 0.0382854 0.0872652 NaN NaN mean squared structural length of post-natals
L3_bi cm^3 72.82 130.234 NaN NaN 0.0830536 0.265242 NaN NaN mean cubed structural length of post-natals
Ww_bi g 78.1567 141.453 NaN NaN 0.100164 0.329476 NaN NaN mean wet weight of post-natals
L_pi cm 4.24387 5.12422 NaN NaN 3.2555 3.49006 NaN NaN mean structural length of adults
L2_pi cm^2 18.0635 26.35 NaN NaN 11.6882 13.7282 NaN NaN mean squared structural length of adults
L3_pi cm^3 77.0284 135.779 NaN NaN 46.8107 61.5499 NaN NaN mean cubed structural length of adults
Ww_pi g 82.6736 147.475 NaN NaN 56.4546 76.4554 NaN NaN mean wet weight of adults
R 1/d 0 421.147 NaN NaN 218.34 567.543 NaN NaN mean reproduction rate of adults
J_X g/d 0.514437 0.919781 NaN NaN 0.00228007 0.00742354 NaN NaN mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 0.109375 NaN NaN 0.109375 0.109375 NaN NaN yield of faeces on food
Y_VX mol/mol 0 0 NaN NaN 0.404613 0.396883 NaN NaN yield of living structure on food
Y_VX_d mol/mol 0.0038707 0.00366713 NaN NaN 8.8027e-08 7.34512e-08 NaN NaN yield of dead structure on food
Y_EX mol/mol 0 0 NaN NaN 0.083358 0.0961129 NaN NaN yield of living reserve on food
Y_EX_d mol/mol 0.000283669 0.000315908 NaN NaN 1.81353e-08 1.77877e-08 NaN NaN yield of dead reserve on food
Y_CX mol/mol 0.886471 0.886642 NaN NaN 0.402654 0.397629 NaN NaN yield of CO2 on food
Y_HX mol/mol 0.639244 0.639367 NaN NaN 0.290358 0.286735 NaN NaN yield of H2O on food
Y_OX mol/mol -0.964037 -0.964223 NaN NaN -0.437887 -0.432422 NaN NaN yield of O2 on food
Y_NX mol/mol 0.132971 0.132996 NaN NaN 0.0603981 0.0596444 NaN NaN yield of N-waste on food
mu_TX J/mol 470409 470493 NaN NaN 224347 221197 NaN NaN yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female differ.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer