Rhabdophis tigrinus: Population traits

at T = 18 °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 - 0.523689 0.523689 0.533248 0.533248 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00137151 0.00137151 0.000573924 0.000573924 spec pop growth rate
t2 d NaN NaN NaN NaN 505.391 505.391 1207.73 1207.73 population doubling time
a_b d 299.61 316.674 298.675 315.657 269.456 283.278 269.456 283.278 age at birth
t_p d 11857.2 6.09945e+22 8333.96 6.09945e+22 1689.75 2710.82 1689.75 2710.82 time since birth at puberty
S_b - 0.999992 0.999988 0.999992 0.999988 0.999994 0.999991 0.999994 0.999991 survival probability at birth
S_p - 0.999951 0.999917 0.704509 0.795947 0.999968 0.999946 0.547171 0.621224 survival probability at puberty
theta_0b - 0.0153322 0.0184599 0.0744863 0.0537198 0.308917 0.321894 0.380943 0.342139 frac of ind that is embryo
theta_bp - 0.0153481 0.0184875 0.0623554 0.0478692 0.213569 0.218391 0.242257 0.229831 fraction of individuals that is juvenile
theta_pi - 0.96932 0.963053 0.863158 0.898411 0.477514 0.459715 0.376801 0.42803 frac of ind that is adult
L_bi cm 3.37355 2.4971 3.15318 2.43906 2.55745 2.23208 2.51325 2.30509 mean structural length of post-natals
L2_bi cm^2 11.6105 6.3108 10.4709 6.08826 7.38594 5.39921 7.46855 5.95038 mean squared structural length of post-natals
L3_bi cm^3 40.4747 16.0914 35.9293 15.4593 24.015 14.1734 26.3413 17.2375 mean cubed structural length of post-natals
Ww_bi g 70.3065 24.7456 62.8942 23.9254 57.814 28.7294 63.4144 34.9401 mean wet weight of post-natals
L_pi cm 3.40234 2.51622 3.26894 2.48906 2.95648 2.52975 3.0688 2.68501 mean structural length of adults
L2_pi cm^2 11.7559 6.38866 11.0532 6.29254 9.43966 6.73389 10.5085 7.76862 mean squared structural length of adults
L3_pi cm^3 41.0556 16.3352 38.2534 16.1024 32.6434 18.913 40.3272 24.2728 mean cubed structural length of adults
Ww_pi g 71.3155 25.1206 66.9626 24.9206 78.5863 38.3363 97.0842 49.2006 mean wet weight of adults
R 1/d 0 0 0 0 0.00109623 0 0.00240566 0 mean reproduction rate of adults
J_X g/d 0.232767 0.0923206 0.213753 0.0906908 0.282751 0.150824 0.285914 0.166221 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 0.116487 0.128885 0.0528758 0.0595173 yield of living structure on food
Y_VX_d mol/mol 0.0106997 0.0119752 0.0209833 0.0209385 7.01924e-05 0.000107874 0.0634218 0.0612061 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.163945 0.132363 0.0744181 0.0611233 yield of living reserve on food
Y_EX_d mol/mol 0.00788615 0.00644048 0.015748 0.0114667 9.87897e-05 0.000110785 0.0892607 0.0628577 yield of dead reserve on food
Y_CX mol/mol 0.708532 0.70867 0.693789 0.697304 0.495645 0.511191 0.496152 0.524811 yield of CO2 on food
Y_HX mol/mol 0.753345 0.753492 0.737669 0.741407 0.526994 0.543523 0.527533 0.558004 yield of H2O on food
Y_OX mol/mol -0.89929 -0.899466 -0.880578 -0.885039 -0.629088 -0.648819 -0.629731 -0.666106 yield of O2 on food
Y_NX mol/mol 0.163507 0.163539 0.160105 0.160916 0.11438 0.117967 0.114497 0.12111 yield of N-waste on food
mu_TX J/mol 454834 454989 445534 447871 318416 329386 318740 338039 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