Eurycea quadridigitata: Population traits

at T = 15 °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_minf f_max date: 2023/02/12
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.37567 0.443003 0.721502 0.721502 1 1 scaled functional response
r 1/d 0 0 0.00247752 0.000518767 0.00345966 0.000700843 spec pop growth rate
t2 d NaN NaN 279.775 1336.14 200.351 989.02 population doubling time
a_b d 95.8775 93.6452 87.9655 87.9655 84.9311 84.9311 age at birth
t_p d 2039.92 1144.66 548.524 548.524 413.833 413.833 time since birth at puberty
S_b - 0.999983 0.999984 0.999987 0.999987 0.999988 0.999988 survival probability at birth
S_p - 0.999887 0.595481 0.999925 0.474957 0.999936 0.416704 survival probability at puberty
theta_0b - 0.025448 0.114978 0.196324 0.286862 0.254783 0.364086 frac of ind that is embryo
theta_bp - 0.0254617 0.0880024 0.157922 0.187716 0.189953 0.220515 fraction of individuals that is juvenile
theta_pi - 0.94909 0.79702 0.645753 0.525422 0.555265 0.415399 frac of ind that is adult
L_bi cm 0.341984 0.365987 0.385423 0.409351 0.402925 0.426582 mean structural length of post-natals
L2_bi cm^2 0.118794 0.14111 0.168562 0.201218 0.192607 0.240334 mean squared structural length of post-natals
L3_bi cm^3 0.0417058 0.0562308 0.0812624 0.11172 0.105711 0.164624 mean cubed structural length of post-natals
Ww_bi g 0.0709153 0.102672 0.190569 0.261995 0.302791 0.471536 mean wet weight of post-natals
L_pi cm 0.346201 0.385642 0.429799 0.484007 0.468073 0.542832 mean structural length of adults
L2_pi cm^2 0.121061 0.152767 0.199496 0.258593 0.24281 0.34467 mean squared structural length of adults
L3_pi cm^3 0.0426534 0.0616937 0.0989898 0.148658 0.138439 0.247034 mean cubed structural length of adults
Ww_pi g 0.0725265 0.112647 0.232142 0.348618 0.396532 0.707583 mean wet weight of adults
R 1/d 0.0002231 0.00160229 0.00430854 0.00684306 0.00635238 0.0112389 mean reproduction rate of adults
J_X g/d 0.000749186 0.00104943 0.00204167 0.0024372 0.00323341 0.00403463 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 yield of faeces on food
Y_VX mol/mol 0 0 0.0986097 0.0237799 0.113108 0.0285963 yield of living structure on food
Y_VX_d mol/mol 0.0176269 0.0344716 0.000891115 0.0474244 0.000415102 0.0527534 yield of dead structure on food
Y_EX mol/mol 0 0 0.132641 0.0319866 0.21087 0.0533127 yield of living reserve on food
Y_EX_d mol/mol 0.0123453 0.02847 0.00119865 0.063791 0.000773882 0.0983491 yield of dead reserve on food
Y_CX mol/mol 0.796104 0.765607 0.607988 0.66937 0.523049 0.608292 yield of CO2 on food
Y_HX mol/mol 0.679916 0.65387 0.519255 0.571678 0.446712 0.519515 yield of H2O on food
Y_OX mol/mol -0.93596 -0.900106 -0.714797 -0.786962 -0.614936 -0.715155 yield of O2 on food
Y_NX mol/mol 0.064549 0.0620763 0.0492964 0.0542732 0.0424093 0.049321 yield of N-waste on food
mu_TX J/mol 449022 432032 343124 377599 294160 342394 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female are the same.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer