Spalerosophis diadema: 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 std f_min f_max date: 2025/06/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.30796 NaN 0.33207 0.33207 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00233293 0.00233293 0.000959873 0.000959873 spec pop growth rate
t2 d NaN NaN NaN NaN 297.115 297.115 722.124 722.124 population doubling time
a_b d 109.624 NaN 108.327 NaN 90.3107 93.7087 90.3107 93.7087 age at birth
t_p d 4194.74 NaN 3215.45 NaN 545.756 703.885 545.756 703.885 time since birth at puberty
S_b - 0.99997 NaN 0.999971 NaN 0.999983 0.999976 0.999983 0.999976 survival probability at birth
S_p - 0.999809 NaN 0.94425 NaN 0.999896 0.999855 0.765955 0.806113 survival probability at puberty
theta_0b - 0.0168412 NaN 0.0307954 NaN 0.189984 0.196442 0.215229 0.195763 frac of ind that is embryo
theta_bp - 0.0169204 NaN 0.0300524 NaN 0.154146 0.158169 0.173224 0.161127 fraction of individuals that is juvenile
theta_pi - 0.966238 NaN 0.939152 NaN 0.655869 0.645388 0.611547 0.64311 frac of ind that is adult
L_bi cm 2.64953 NaN 2.72896 NaN 3.16005 2.88553 3.23555 3.03398 mean structural length of post-natals
L2_bi cm^2 7.08579 NaN 7.57037 NaN 10.9745 8.90181 11.9669 10.1613 mean squared structural length of post-natals
L3_bi cm^3 19.1074 NaN 21.3079 NaN 42.1395 29.54 51.2613 37.9318 mean cubed structural length of post-natals
Ww_bi g 21.7769 NaN 24.5179 NaN 61.2563 40.309 74.5163 51.76 mean wet weight of post-natals
L_pi cm 2.66073 NaN 2.75177 NaN 3.40072 3.07659 3.54795 3.26691 mean structural length of adults
L2_pi cm^2 7.13911 NaN 7.68256 NaN 12.4799 9.99549 14.0664 11.5967 mean squared structural length of adults
L3_pi cm^3 19.2997 NaN 21.7275 NaN 49.7426 34.484 63.0216 45.0941 mean cubed structural length of adults
Ww_pi g 21.9961 NaN 25.0007 NaN 72.3087 47.0553 91.6118 61.5334 mean wet weight of adults
R 1/d 0.000368236 NaN 0.000719097 NaN 0.00928299 0.00558286 0.0107595 0.00680651 mean reproduction rate of adults
J_X g/d 0.140885 NaN 0.162304 NaN 0.708548 0.461844 0.77262 0.527189 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN 0.109375 NaN 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 NaN 0 NaN 0.138746 0.149217 0.0636851 0.0690639 yield of living structure on food
Y_VX_d mol/mol 0.0259063 NaN 0.0373507 NaN 0.000516536 0.000696139 0.0705654 0.0676874 yield of dead structure on food
Y_EX mol/mol 0 NaN 0 NaN 0.0629431 0.0543974 0.0288912 0.0251775 yield of living reserve on food
Y_EX_d mol/mol 0.00361932 NaN 0.00562674 NaN 0.00023433 0.00025378 0.0320125 0.0246757 yield of dead reserve on food
Y_CX mol/mol 0.699643 NaN 0.688714 NaN 0.55915 0.557425 0.56507 0.572017 yield of CO2 on food
Y_HX mol/mol 0.743894 NaN 0.732273 NaN 0.594515 0.592681 0.60081 0.608196 yield of H2O on food
Y_OX mol/mol -0.888009 NaN -0.874137 NaN -0.709691 -0.707501 -0.717204 -0.726021 yield of O2 on food
Y_NX mol/mol 0.161456 NaN 0.158934 NaN 0.129035 0.128636 0.130401 0.132004 yield of N-waste on food
mu_TX J/mol 449677 NaN 442974 NaN 361824 361208 365514 370263 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