Valvata cristata: Population traits

at T = 18 °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: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.409219 0.448153 0.724077 0.724077 1 1 scaled functional response
r 1/d 0 0 0.00923849 0.00271856 0.0142591 0.004061 spec pop growth rate
t2 d NaN NaN 75.0282 254.969 48.6107 170.684 population doubling time
a_b d 15.3148 15.083 13.9326 13.9326 13.2379 13.2379 age at birth
t_j d 8.71056 7.99617 5.24247 5.24247 4.062 4.062 time since birth at metam
t_p d 1732.83 1077.83 396.952 396.952 266.924 266.924 time since birth at puberty
S_b - 0.999992 0.999992 0.999994 0.999994 0.999995 0.999995 survival probability at birth
S_j - 0.999974 0.751622 0.999986 0.734282 0.99999 0.72725 survival probability at metam
S_p - 0.999953 0.640563 0.999967 0.538143 0.999972 0.475797 survival probability at puberty
theta_0b - 0.0108587 0.110774 0.120875 0.270885 0.172003 0.341114 frac of ind that is embryo
theta_bj - 0.00618477 0.0511544 0.0416389 0.0855396 0.0466235 0.0866369 frac of ind between b and j
theta_jp - 0.00468916 0.0361498 0.0647304 0.101609 0.095889 0.130848 frac of ind between j and p
theta_pi - 0.978267 0.801922 0.772755 0.541966 0.685484 0.441401 frac of ind that is adult
L_bi cm 0.0788852 0.0660999 0.0607461 0.0541511 0.059668 0.0527284 mean structural length of post-natals
L2_bi cm^2 0.00651028 0.00518205 0.00454035 0.00411385 0.0045307 0.00413256 mean squared structural length of post-natals
L3_bi cm^3 0.00055106 0.000446034 0.000398259 0.000407216 0.000419801 0.000458553 mean cubed structural length of post-natals
Ww_bi g 0.000715752 0.000592022 0.000608864 0.000622559 0.000726395 0.000793449 mean wet weight of post-natals
L_pi cm 0.0794947 0.0706728 0.0656087 0.064172 0.0666049 0.0659544 mean structural length of adults
L2_pi cm^2 0.0065762 0.00568284 0.00507588 0.00531508 0.00532759 0.0058357 mean squared structural length of adults
L3_pi cm^3 0.000557029 0.000493058 0.00045078 0.000542258 0.000503198 0.000675717 mean cubed structural length of adults
Ww_pi g 0.000723506 0.000654436 0.000689159 0.000829012 0.0008707 0.00116921 mean wet weight of adults
R 1/d 0 0 0.0105227 0.0186839 0.0482716 0.0677462 mean reproduction rate of adults
J_X g/d 2.18335e-05 1.90669e-05 2.72023e-05 2.46344e-05 3.76065e-05 3.42821e-05 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.21875 0.21875 0.21875 0.21875 0.21875 0.21875 yield of faeces on food
Y_VX mol/mol 0 0 0.135257 0.0449387 0.159175 0.0543194 yield of living structure on food
Y_VX_d mol/mol 0.0241342 0.0493046 0.000760412 0.0792706 0.000301492 0.091952 yield of dead structure on food
Y_EX mol/mol 0 0 0.0715261 0.0237643 0.11625 0.0396712 yield of living reserve on food
Y_EX_d mol/mol 0.00721289 0.0161374 0.000402118 0.0419195 0.000220189 0.0671554 yield of dead reserve on food
Y_CX mol/mol 0.749903 0.715808 0.573304 0.591357 0.505303 0.528152 yield of CO2 on food
Y_HX mol/mol 0.541597 0.516972 0.414053 0.427091 0.364941 0.381443 yield of H2O on food
Y_OX mol/mol -0.815519 -0.778441 -0.623468 -0.643101 -0.549517 -0.574365 yield of O2 on food
Y_NX mol/mol 0.112485 0.107371 0.0859956 0.0887035 0.0757954 0.0792228 yield of N-waste on food
mu_TX J/mol 403966 386472 312431 321769 276203 288110 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