Quadrula quadrula: Population traits

at T = 17 °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: 2024/12/04
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.349394 0.389868 0.694934 0.694934 1 1 scaled functional response
r 1/d 0 0 0.00741749 0.000308455 0.0103112 0.000421419 spec pop growth rate
t2 d NaN NaN 93.4476 2247.16 67.2227 1644.79 population doubling time
a_b d 1.46051 1.43492 1.31408 1.31408 1.25106 1.25106 age at birth
t_j d 0.000471898 0.000433594 0.000288563 0.000288563 0.000232074 0.000232074 time since birth at metam
t_p d 4423.64 2716.18 1096.38 1096.38 789.96 789.96 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.999698 1 0.999698 1 0.999698 survival probability at metam
S_p - 1 0.563073 1 0.470226 1 0.420136 survival probability at puberty
theta_0b - 0.000137542 0.237282 0.00960677 0.310223 0.012696 0.348981 frac of ind that is embryo
theta_bj - 4.48782e-08 7.23959e-05 2.11987e-06 6.87686e-05 2.36258e-06 6.5339e-05 frac of ind between b and j
theta_jp - 0.000138852 0.179713 0.00960461 0.214646 0.0126521 0.228199 frac of ind between j and p
theta_pi - 0.999724 0.582932 0.980787 0.475062 0.97465 0.422754 frac of ind that is adult
L_bi cm 0.929416 0.0734012 0.212102 0.0393228 0.197765 0.0360803 mean structural length of post-natals
L2_bi cm^2 0.903037 0.055157 0.0799692 0.0252758 0.071704 0.0240225 mean squared structural length of post-natals
L3_bi cm^3 0.891454 0.0570288 0.0413843 0.0368114 0.0367142 0.0439266 mean cubed structural length of post-natals
Ww_bi g 1.17649 0.0773758 0.0677031 0.060222 0.0703129 0.0841255 mean wet weight of post-natals
L_pi cm 0.929545 0.0942989 0.21412 0.054434 0.200252 0.0522973 mean structural length of adults
L2_pi cm^2 0.903162 0.0721585 0.0807521 0.0366839 0.0726345 0.0369733 mean squared structural length of adults
L3_pi cm^3 0.891578 0.0746174 0.0417896 0.053449 0.0371909 0.0676444 mean cubed structural length of adults
Ww_pi g 1.17666 0.10124 0.0683663 0.0874405 0.0712258 0.129548 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.00541933 0.000369354 0.000954533 0.000301699 0.0012316 0.000412614 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 0.321589 0.0376357 0.30738 0.044864 yield of living structure on food
Y_VX_d mol/mol 0.0187229 0.0477355 1.2573e-05 0.0851429 5.61323e-06 0.0951289 yield of dead structure on food
Y_EX mol/mol 0 0 0.204518 0.0239349 0.281296 0.0410568 yield of living reserve on food
Y_EX_d mol/mol 0.00598652 0.0170312 7.99594e-06 0.0541476 5.13689e-06 0.0870562 yield of dead reserve on food
Y_CX mol/mol 0.865916 0.825858 0.364497 0.689764 0.301939 0.622519 yield of CO2 on food
Y_HX mol/mol 0.62827 0.599206 0.264463 0.500462 0.219073 0.451672 yield of H2O on food
Y_OX mol/mol -0.941683 -0.898121 -0.39639 -0.750118 -0.328358 -0.67699 yield of O2 on food
Y_NX mol/mol 0.129887 0.123879 0.0546745 0.103465 0.0452908 0.0933779 yield of N-waste on food
mu_TX J/mol 459846 439265 199210 368165 164092 332041 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