Procambarus virginalis: Population traits

at T = 20 °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: 2023/03/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.194985 0.211717 0.605858 0.605858 1 1 scaled functional response
r 1/d 0 0 0.0130153 0.00348356 0.0156364 0.00374151 spec pop growth rate
t2 d NaN NaN 53.2564 198.977 44.3292 185.258 population doubling time
a_b d 31.1468 30.8217 27.792 27.792 26.9678 26.9678 age at birth
t_p d 1548.5 969.885 253.393 253.393 203.518 203.518 time since birth at puberty
S_b - 0.999985 0.999985 0.999989 0.999989 0.99999 0.99999 survival probability at birth
S_p - 0.99991 0.503291 0.999946 0.347122 0.999952 0.310045 survival probability at puberty
theta_0b - 0.0220059 0.176967 0.303573 0.474021 0.344074 0.511473 frac of ind that is embryo
theta_bp - 0.0220167 0.124579 0.211482 0.254191 0.225737 0.258894 fraction of individuals that is juvenile
theta_pi - 0.955977 0.698453 0.484945 0.271788 0.430188 0.229633 frac of ind that is adult
L_bi cm 0.321559 0.283179 0.262756 0.236003 0.270482 0.240615 mean structural length of post-natals
L2_bi cm^2 0.107042 0.0914211 0.0885568 0.0842773 0.097374 0.0949824 mean squared structural length of post-natals
L3_bi cm^3 0.0363396 0.0316988 0.0368076 0.0435654 0.0450149 0.060485 mean cubed structural length of post-natals
Ww_bi g 0.076834 0.0700529 0.164252 0.194409 0.302273 0.406154 mean wet weight of post-natals
L_pi cm 0.326299 0.313194 0.320241 0.338447 0.341298 0.365258 mean structural length of adults
L2_pi cm^2 0.109196 0.10535 0.119529 0.147788 0.138564 0.182447 mean squared structural length of adults
L3_pi cm^3 0.0371399 0.0370742 0.051813 0.0822825 0.0672201 0.125977 mean cubed structural length of adults
Ww_pi g 0.0785261 0.0819321 0.231213 0.367181 0.45138 0.84593 mean wet weight of adults
R 1/d 0 0 0.0361117 0.0704822 0.0467345 0.0951176 mean reproduction rate of adults
J_X g/d 0.00182536 0.00169275 0.00469229 0.00446553 0.00851598 0.00830682 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 0.102095 0.0339854 0.0826528 0.0272433 yield of living structure on food
Y_VX_d mol/mol 0.0181183 0.0375042 0.000181059 0.0578831 9.03419e-05 0.047802 yield of dead structure on food
Y_EX mol/mol 0 0 0.3535 0.117673 0.472356 0.155694 yield of living reserve on food
Y_EX_d mol/mol 0.0201898 0.0453783 0.000626908 0.200417 0.000516299 0.273186 yield of dead reserve on food
Y_CX mol/mol 0.852317 0.807743 0.434221 0.480666 0.335009 0.3867 yield of CO2 on food
Y_HX mol/mol 0.614615 0.582472 0.313122 0.346614 0.241579 0.278853 yield of H2O on food
Y_OX mol/mol -0.926895 -0.87842 -0.472216 -0.522725 -0.364322 -0.420536 yield of O2 on food
Y_NX mol/mol 0.127848 0.121161 0.0651332 0.0721 0.0502514 0.0580049 yield of N-waste on food
mu_TX J/mol 452336 428790 226592 251616 171048 199093 yield of heat on food

Remarks

  • Reprod-code A applies. Data concerns population of females only.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer