Trochulus hispidus: Population traits

at T = 21.5 °C with background hazards for embryo, larva, juv, adult: 0, 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 abj f_minf f_max date: 2024/11/09
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.202451 0.202451 0.601226 0.601226 1 1 scaled functional response
r 1/d 0 0 0.00705583 NaN 0.0109039 0.000520644 spec pop growth rate
t2 d NaN NaN 98.2375 NaN 63.5685 1331.33 population doubling time
a_b d 7.46822 7.46822 6.30463 NaN 5.7943 5.7943 age at birth
t_j d 19.2366 19.2366 5.81236 NaN 3.53128 3.53128 time since birth at metam
t_p d 1273.79 1273.79 141.771 NaN 79.9378 79.9378 time since birth at puberty
S_b - 0.999911 0.999911 0.999944 NaN 0.999955 0.999955 survival probability at birth
S_j - 0.999454 0.937084 0.999695 NaN 0.999846 0.773483 survival probability at metam
S_p - 0.99786 0.845256 0.999665 NaN 0.999742 0.695314 survival probability at puberty
theta_0b - 0.0188606 0.0384593 0.0471623 NaN 0.0630309 0.13984 frac of ind that is embryo
theta_bj - 0.0189966 0.0375152 0.0417925 NaN 0.0365891 0.0751625 frac of ind between b and j
theta_jp - 0.0299056 0.05437 0.00346097 NaN 0.0227156 0.0399919 frac of ind between j and p
theta_pi - 0.932237 0.869656 0.907584 NaN 0.877664 0.745005 frac of ind that is adult
L_bi cm 0.0367508 0.0345148 0.05959 NaN 0.0713041 0.0687843 mean structural length of post-natals
L2_bi cm^2 0.00138905 0.00122987 0.00419294 NaN 0.00646504 0.00703711 mean squared structural length of post-natals
L3_bi cm^3 5.38456e-05 4.51794e-05 0.000337541 NaN 0.000708521 0.000960477 mean cubed structural length of post-natals
Ww_bi g 5.54113e-05 4.64931e-05 0.000366688 NaN 0.000810283 0.00109843 mean wet weight of post-natals
L_pi cm 0.0373316 0.0354503 0.0612565 NaN 0.0743054 0.0752754 mean structural length of adults
L2_pi cm^2 0.00142731 0.00129023 0.00436784 NaN 0.00685296 0.00801372 mean squared structural length of adults
L3_pi cm^3 5.57811e-05 4.81663e-05 0.000353476 NaN 0.000755077 0.00110595 mean cubed structural length of adults
Ww_pi g 5.74031e-05 4.95668e-05 0.000383999 NaN 0.000863525 0.00126479 mean wet weight of adults
R 1/d 0 0 0.0269884 NaN 0.0748357 0.0894171 mean reproduction rate of adults
J_X g/d 1.22175e-06 1.08091e-06 1.12433e-05 NaN 2.89632e-05 3.15202e-05 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 0.109375 0.109375 NaN 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0.211826 NaN 0.266741 0.015865 yield of living structure on food
Y_VX_d mol/mol 0.162399 0.228021 0.0474913 NaN 0.0260403 0.233661 yield of dead structure on food
Y_EX mol/mol 0 0 0.0182915 NaN 0.0383109 0.00227862 yield of living reserve on food
Y_EX_d mol/mol 0.00472212 0.00663023 0.00410095 NaN 0.00374007 0.0335599 yield of dead reserve on food
Y_CX mol/mol 0.723504 0.655974 0.608915 NaN 0.555793 0.60526 yield of CO2 on food
Y_HX mol/mol 0.522531 0.473759 0.439772 NaN 0.401406 0.437132 yield of H2O on food
Y_OX mol/mol -0.78681 -0.713372 -0.662195 NaN -0.604425 -0.65822 yield of O2 on food
Y_NX mol/mol 0.108526 0.0983961 0.0913373 NaN 0.083369 0.090789 yield of N-waste on food
mu_TX J/mol 388703 354843 330526 NaN 302982 328026 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