Trachinus araneus: Population traits

at T = 18.6 °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: 2024/05/12
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.216245 0.216245 0.300516 0.300516 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0163028 0.0163028 0.00128572 0.00128572 spec pop growth rate
t2 d NaN NaN NaN NaN 42.5171 42.5171 539.111 539.111 population doubling time
a_b d 17.2315 17.5387 16.3199 16.6176 13.3322 13.5738 13.3322 13.5738 age at birth
t_j d 262.209 296.536 183.83 206.154 59.8085 65.4847 59.8085 65.4847 time since birth at metam
t_p d 3707.56 NaN 1496.56 1841.07 357.852 395.783 357.852 395.783 time since birth at puberty
S_b - 0.999995 0.999994 0.999996 0.999995 0.999997 0.999997 0.999997 0.999997 survival probability at birth
S_j - 0.999969 0.999964 0.710078 0.733108 0.999987 0.999984 0.420521 0.446983 survival probability at metam
S_p - 0.998503 0.997838 0.0211304 0.0212334 0.999923 0.999898 0.0205256 0.020553 survival probability at puberty
theta_0b - 0.00499205 0.00523578 0.243581 0.225909 0.195146 0.198301 0.462595 0.445076 frac of ind that is embryo
theta_bj - 0.0050116 0.00525802 0.206898 0.194849 0.157248 0.15917 0.305047 0.301226 frac of ind between b and j
theta_jp - 0.0712028 0.0835641 0.491616 0.519653 0.344078 0.366924 0.205072 0.225808 frac of ind between j and p
theta_pi - 0.918794 0.905942 0.0579046 0.0595893 0.303528 0.275605 0.0272858 0.0278897 frac of ind that is adult
L_bi cm 1.18648 1.04775 0.172668 0.16867 0.326245 0.298123 0.143979 0.142552 mean structural length of post-natals
L2_bi cm^2 1.63351 1.2803 0.114639 0.0997842 0.208049 0.171357 0.0830375 0.0762874 mean squared structural length of post-natals
L3_bi cm^3 2.37723 1.65717 0.180729 0.138271 0.205005 0.15337 0.219994 0.1815 mean cubed structural length of post-natals
Ww_bi g 2.5449 1.76202 0.198444 0.150428 0.271872 0.198244 0.291751 0.234605 mean wet weight of post-natals
L_pi cm 1.27208 1.13534 0.953484 0.897219 0.632399 0.60099 0.824224 0.804411 mean structural length of adults
L2_pi cm^2 1.76677 1.40318 1.34195 1.14171 0.514071 0.455857 1.39598 1.27619 mean squared structural length of adults
L3_pi cm^3 2.57398 1.81913 2.33981 1.77527 0.536737 0.438418 4.30052 3.57871 mean cubed structural length of adults
Ww_pi g 2.75554 1.93423 2.56916 1.93137 0.711806 0.566694 5.70324 4.6258 mean wet weight of adults
R 1/d 0 0 0 0 0 0 2.13994 1.51573 mean reproduction rate of adults
J_X g/d 0.0133758 0.00937907 0.00124336 0.000961229 0.00781823 0.00573583 0.00295437 0.00241614 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 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.427483 0.435919 0.0957401 0.0965834 yield of living structure on food
Y_VX_d mol/mol 0.0896797 0.0930806 0.18263 0.189201 0.000178694 0.000203139 0.228652 0.234298 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.139434 0.127545 0.0312279 0.0282592 yield of living reserve on food
Y_EX_d mol/mol 0.00632544 0.0058893 0.0179014 0.016636 5.82853e-05 5.94362e-05 0.0745803 0.0685527 yield of dead reserve on food
Y_CX mol/mol 0.79462 0.791655 0.690094 0.684788 0.323472 0.326898 0.460425 0.462932 yield of CO2 on food
Y_HX mol/mol 0.571685 0.569552 0.496484 0.492667 0.23272 0.235185 0.33125 0.333054 yield of H2O on food
Y_OX mol/mol -0.864149 -0.860925 -0.750477 -0.744707 -0.351775 -0.355502 -0.500712 -0.503439 yield of O2 on food
Y_NX mol/mol 0.119193 0.118748 0.103514 0.102718 0.0485207 0.0490347 0.0690637 0.0694398 yield of N-waste on food
mu_TX J/mol 424181 422721 371339 368750 181949 184256 252109 253813 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