Holcosus quadrilineatus: Population traits

at T = 25 °C with background hazards for embryo, juv, adult: 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 stf f_min f_max date: 2025/02/12
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.485455 0.485455 0.519854 0.519854 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00510156 0.00510156 0.000902389 0.000902389 spec pop growth rate
t2 d NaN NaN NaN NaN 135.87 135.87 768.125 768.125 population doubling time
a_b d 31.6876 31.6876 31.6876 31.6876 31.6876 31.6876 31.6876 31.6876 age at birth
t_p d 51.6018 284.94 46.7669 213.006 27.9589 69.9653 27.9589 69.9653 time since birth at puberty
S_b - 0.999993 0.999993 0.999993 0.999993 0.999994 0.999994 0.999994 0.999994 survival probability at birth
S_p - 0.999903 0.9999 0.888497 0.903562 0.999942 0.999941 0.516171 0.521654 survival probability at puberty
theta_0b - 0.0351614 0.0354309 0.0426393 0.0417086 0.152607 0.152681 0.163755 0.160843 frac of ind that is embryo
theta_bp - 0.0351602 0.0354296 0.0399065 0.0394018 0.129825 0.129888 0.111934 0.110528 fraction of individuals that is juvenile
theta_pi - 0.929678 0.929139 0.917454 0.91889 0.717568 0.717431 0.724311 0.728629 frac of ind that is adult
L_bi cm 0.434109 0.427431 0.463119 0.456065 0.7587 0.749714 0.797321 0.787703 mean structural length of post-natals
L2_bi cm^2 0.188457 0.1827 0.214539 0.208038 0.595019 0.580246 0.656163 0.63939 mean squared structural length of post-natals
L3_bi cm^3 0.081817 0.078094 0.0994112 0.0949162 0.47853 0.460114 0.551886 0.529913 mean cubed structural length of post-natals
Ww_bi g 0.483215 0.455053 0.621686 0.58554 5.3146 5.03512 6.12929 5.79895 mean wet weight of post-natals
L_pi cm 0.434552 0.427703 0.464521 0.457231 0.805133 0.794825 0.844067 0.832316 mean structural length of adults
L2_pi cm^2 0.188837 0.182931 0.215793 0.209069 0.656666 0.639549 0.719379 0.699095 mean squared structural length of adults
L3_pi cm^3 0.0820607 0.0782406 0.100253 0.0956012 0.541608 0.52013 0.617933 0.591568 mean cubed structural length of adults
Ww_pi g 0.484655 0.455907 0.626949 0.589765 6.01514 5.69189 6.86281 6.47365 mean wet weight of adults
R 1/d 0.00120462 0.000538921 0.00147532 0.00082127 0.00613895 0.0055588 0.00699539 0.00636886 mean reproduction rate of adults
J_X g/d 0.0449783 0.0429015 0.0548312 0.0523127 0.29253 0.28067 0.322591 0.309279 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 0.00834529 0.00836319 0.0015438 0.00154614 yield of living structure on food
Y_VX_d mol/mol 0.00210392 0.00211758 0.00251036 0.00246858 0.000320352 0.000325444 0.00423355 0.00422065 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0843382 0.083157 0.0156018 0.0153736 yield of living reserve on food
Y_EX_d mol/mol 0.0103219 0.0102215 0.0131887 0.0127601 0.0032375 0.00323596 0.0427846 0.0419669 yield of dead reserve on food
Y_CX mol/mol 0.713537 0.713607 0.710877 0.71126 0.645437 0.646379 0.6715 0.672358 yield of CO2 on food
Y_HX mol/mol 0.758666 0.758741 0.755839 0.756245 0.686259 0.687261 0.713971 0.714883 yield of H2O on food
Y_OX mol/mol -0.905643 -0.905732 -0.902267 -0.902752 -0.819208 -0.820404 -0.852288 -0.853378 yield of O2 on food
Y_NX mol/mol 0.164662 0.164679 0.164049 0.164137 0.148947 0.149164 0.154961 0.15516 yield of N-waste on food
mu_TX J/mol 457735 457783 455985 456238 412732 413360 429937 430508 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