Alauda arvensis: Population traits

at T = 41.6 °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: 2023/10/03
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.925432 0.931615 0.965808 0.965808 1 1 scaled functional response
r 1/d 0 0 0.0036709 0.00112968 0.00616113 0.00193881 spec pop growth rate
t2 d NaN NaN 188.822 613.58 112.503 357.512 population doubling time
a_b d 6.67819 6.67275 6.64375 6.64375 6.61644 6.61644 age at birth
t_p d 84.9292 66.5775 43.5005 43.5005 35.6831 35.6831 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.603568 1 0.589227 1 0.575975 survival probability at puberty
theta_0b - 0.00175725 0.00581987 0.0241177 0.026519 0.0399468 0.0452955 frac of ind that is embryo
theta_bp - 0.00175767 0.00444275 0.0235417 0.019852 0.038359 0.0333453 fraction of individuals that is juvenile
theta_pi - 0.996485 0.989737 0.952341 0.953629 0.921694 0.921359 frac of ind that is adult
L_bi cm 1.81825 1.82754 1.85118 1.87045 1.88003 1.91215 mean structural length of post-natals
L2_bi cm^2 3.3074 3.34298 3.4474 3.51436 3.57127 3.68655 mean squared structural length of post-natals
L3_bi cm^3 6.01793 6.11884 6.44706 6.62291 6.83371 7.14628 mean cubed structural length of post-natals
Ww_bi g 18.8721 19.2759 20.8187 21.3865 22.6065 23.6405 mean wet weight of post-natals
L_pi cm 1.81942 1.83061 1.86811 1.88538 1.90936 1.93933 mean structural length of adults
L2_pi cm^2 3.31087 3.35207 3.4988 3.55967 3.66207 3.77086 mean squared structural length of adults
L3_pi cm^3 6.02578 6.13946 6.56654 6.72828 7.04932 7.34716 mean cubed structural length of adults
Ww_pi g 18.8967 19.3408 21.2045 21.7268 23.3198 24.3051 mean wet weight of adults
R 1/d 0.000363706 0.00154802 0.00615199 0.00763191 0.0111373 0.0138281 mean reproduction rate of adults
J_X g/d 5.11273 5.20226 5.56165 5.66967 5.96546 6.15803 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 0.00425531 0.00131961 0.00705786 0.00224996 yield of living structure on food
Y_VX_d mol/mol 0.000311718 0.000593158 5.64718e-06 0.00133182 1.9633e-06 0.00220437 yield of dead structure on food
Y_EX mol/mol 0 0 0.00948581 0.00294163 0.0162902 0.0051931 yield of living reserve on food
Y_EX_d mol/mol 0.000665824 0.00127544 1.25885e-05 0.00296886 4.53148e-06 0.00508788 yield of dead reserve on food
Y_CX mol/mol 0.722839 0.722115 0.712453 0.716676 0.704657 0.71166 yield of CO2 on food
Y_HX mol/mol 0.769545 0.768774 0.758489 0.762985 0.750189 0.757645 yield of H2O on food
Y_OX mol/mol -0.917449 -0.91653 -0.904268 -0.909628 -0.894373 -0.903261 yield of O2 on food
Y_NX mol/mol 0.166809 0.166642 0.164412 0.165387 0.162613 0.164229 yield of N-waste on food
mu_TX J/mol 463838 463370 457122 459853 452072 456604 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