Tantilla melanocephala: Population traits

at T = 24 °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 std f_min f_max date: 2022/12/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.704977 0.704977 0.755066 0.755066 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00133063 0.00133063 0.0003806 0.0003806 spec pop growth rate
t2 d NaN NaN NaN NaN 520.918 520.918 1821.2 1821.2 population doubling time
a_b d 89.129 92.6371 88.051 91.5104 83.8148 87.0592 83.8148 87.0592 age at birth
t_p d 3275.67 2.61514e+22 1958.58 2.61514e+22 888.671 1187.51 888.671 1187.51 time since birth at puberty
S_b - 0.999995 0.999994 0.999996 0.999994 0.999996 0.999995 0.999996 0.999995 survival probability at birth
S_p - 0.999971 0.999958 0.764368 0.81886 0.999977 0.999966 0.694945 0.748357 survival probability at puberty
theta_0b - 0.0114682 0.0130233 0.0554198 0.0438266 0.105722 0.109664 0.156662 0.130148 frac of ind that is embryo
theta_bp - 0.0114875 0.0130526 0.0484257 0.0396738 0.094665 0.0977995 0.126434 0.108917 fraction of individuals that is juvenile
theta_pi - 0.977044 0.973924 0.896155 0.9165 0.799613 0.792537 0.716904 0.760936 frac of ind that is adult
L_bi cm 1.2381 1.00564 1.21666 1.01878 1.12983 0.979124 1.18058 1.05302 mean structural length of post-natals
L2_bi cm^2 1.56086 1.02434 1.55671 1.0694 1.40896 1.02964 1.59777 1.21539 mean squared structural length of post-natals
L3_bi cm^3 1.99127 1.05314 2.05633 1.14649 1.90203 1.15075 2.38799 1.50484 mean cubed structural length of post-natals
Ww_bi g 2.43732 1.24305 2.54969 1.36792 2.5064 1.44511 3.14677 1.88977 mean wet weight of post-natals
L_pi cm 1.24577 1.0114 1.25062 1.03787 1.19195 1.02681 1.28254 1.11913 mean structural length of adults
L2_pi cm^2 1.57517 1.03363 1.62211 1.10123 1.53231 1.11328 1.81536 1.33924 mean squared structural length of adults
L3_pi cm^3 2.0123 1.0647 2.15641 1.18775 2.10077 1.26693 2.77026 1.6905 mean cubed structural length of adults
Ww_pi g 2.46307 1.25669 2.67377 1.41715 2.76828 1.591 3.6505 2.12293 mean wet weight of adults
R 1/d 0 0 0.000116288 0 0.000930554 0 0.00195598 0.000320796 mean reproduction rate of adults
J_X g/d 0.0133597 0.0070582 0.0142708 0.00789224 0.0171063 0.0100638 0.0193986 0.0118793 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 0.147951 0.152151 0.0468523 0.0482134 yield of living structure on food
Y_VX_d mol/mol 0.0227973 0.0246314 0.0446993 0.0447372 0.00104922 0.00133404 0.0713919 0.0675654 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0470108 0.03892 0.0148872 0.0123329 yield of living reserve on food
Y_EX_d mol/mol 0.00510669 0.00444184 0.0107242 0.00864076 0.000333386 0.000341245 0.0226845 0.0172831 yield of dead reserve on food
Y_CX mol/mol 0.700961 0.700011 0.678601 0.680263 0.564103 0.567026 0.597032 0.605499 yield of CO2 on food
Y_HX mol/mol 0.745295 0.744285 0.721521 0.723288 0.599781 0.60289 0.634793 0.643796 yield of H2O on food
Y_OX mol/mol -0.889681 -0.888475 -0.861302 -0.863411 -0.715977 -0.719687 -0.757772 -0.768519 yield of O2 on food
Y_NX mol/mol 0.16176 0.161541 0.1566 0.156984 0.130178 0.130852 0.137777 0.139731 yield of N-waste on food
mu_TX J/mol 450399 449858 436610 437718 365608 367778 385990 391503 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