Centruroides gracilis: Population traits

at T = 26.6 °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: 2023/09/03
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.622433 0.622433 0.810972 0.810972 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0069251 0.0069251 0.000517164 0.000517164 spec pop growth rate
t2 d NaN NaN NaN NaN 100.092 100.092 1340.28 1340.28 population doubling time
a_b d 27.4256 27.334 26.2725 26.1875 25.4225 25.3432 25.4225 25.3432 age at birth
t_j d 78.7251 76.612 57.0403 55.7838 45.9459 45.0579 45.9459 45.0579 time since birth at metam
t_p d 963.929 818.316 366.514 351.788 255.616 248.223 255.616 248.223 time since birth at puberty
S_b - 0.999991 0.999991 0.999992 0.999992 0.999992 0.999993 0.999992 0.999993 survival probability at birth
S_j - 0.999938 0.99994 0.499805 0.491681 0.999956 0.999957 0.420869 0.413787 survival probability at metam
S_p - 0.999714 0.999736 0.221846 0.220405 0.999908 0.999913 0.209275 0.208286 survival probability at puberty
theta_0b - 0.0170212 0.0168439 0.217259 0.221819 0.161632 0.161165 0.314042 0.318958 frac of ind that is embryo
theta_bj - 0.017037 0.0168593 0.156817 0.158951 0.13562 0.135301 0.207738 0.209472 frac of ind between b and j
theta_jp - 0.0318636 0.0303906 0.0871401 0.084825 0.0933361 0.0899983 0.0749781 0.0725531 frac of ind between j and p
theta_pi - 0.934078 0.935906 0.538785 0.534405 0.609412 0.613536 0.403242 0.399017 frac of ind that is adult
L_bi cm 0.805124 0.824186 0.801441 0.813377 0.75073 0.762758 0.800069 0.80865 mean structural length of post-natals
L2_bi cm^2 0.667737 0.7 0.779135 0.807215 0.678909 0.702887 0.868703 0.894482 mean squared structural length of post-natals
L3_bi cm^3 0.562893 0.604332 0.831542 0.880985 0.696404 0.73556 1.10042 1.15746 mean cubed structural length of post-natals
Ww_bi g 0.752568 0.81215 1.19662 1.27571 1.07342 1.14194 1.69616 1.79694 mean wet weight of post-natals
L_pi cm 0.829105 0.848235 1.01287 1.03167 0.899066 0.911974 1.12447 1.14155 mean structural length of adults
L2_pi cm^2 0.696274 0.72912 1.08024 1.12325 0.8853 0.91328 1.39623 1.44437 mean squared structural length of adults
L3_pi cm^3 0.590054 0.6326 1.19005 1.26465 0.93993 0.987882 1.84321 1.94651 mean cubed structural length of adults
Ww_pi g 0.788881 0.850139 1.71253 1.83128 1.44878 1.53367 2.84106 3.02192 mean wet weight of adults
R 1/d 0 0.00182326 0.0312252 0.0349081 0.0271562 0.0298838 0.0642838 0.069124 mean reproduction rate of adults
J_X g/d 0.0207437 0.0222702 0.0324035 0.0343437 0.0355104 0.0375965 0.0453023 0.047692 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 0.13581 0.135487 0.0125622 0.0125513 yield of living structure on food
Y_VX_d mol/mol 0.0205926 0.020447 0.0493441 0.049097 0.000831739 0.000813433 0.0567648 0.0565155 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0735232 0.0748536 0.0068008 0.00693435 yield of living reserve on food
Y_EX_d mol/mol 0.006939 0.00703134 0.0216638 0.0219977 0.000450277 0.000449405 0.0307306 0.0312236 yield of dead reserve on food
Y_CX mol/mol 0.701263 0.701307 0.665939 0.665868 0.552508 0.551705 0.63681 0.636513 yield of CO2 on food
Y_HX mol/mol 0.75185 0.751897 0.713978 0.713902 0.592364 0.591504 0.682748 0.682429 yield of H2O on food
Y_OX mol/mol -0.890065 -0.89012 -0.84523 -0.845141 -0.70126 -0.700241 -0.808259 -0.807881 yield of O2 on food
Y_NX mol/mol 0.16183 0.16184 0.153678 0.153662 0.127502 0.127317 0.146956 0.146888 yield of N-waste on food
mu_TX J/mol 450490 450511 428413 428354 357272 356720 410023 409812 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