Potamilus purpuratus: 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_min f_max date: 2024/12/04
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.4801 0.4801 0.554282 0.554282 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0134512 0.0134512 0.000130637 0.000130637 spec pop growth rate
t2 d NaN NaN NaN NaN 51.5303 51.5303 5305.92 5305.92 population doubling time
a_b d 1.35801 1.33141 1.32878 1.30668 1.22794 1.20858 1.22794 1.20858 age at birth
t_j d 2.57644 2.35089 2.32959 2.13442 1.61898 1.5111 1.61898 1.5111 time since birth at metam
t_p d 3354.05 1847.3 1784.96 1364.11 773.344 690.17 773.344 690.17 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_j - 1 1 0.287879 0.262719 1 1 0.190771 0.174278 survival probability at metam
S_p - 1 1 0.112694 0.112657 1 1 0.112562 0.112543 survival probability at puberty
theta_0b - 0.000284374 0.000266667 0.499252 0.51674 0.0162584 0.0159988 0.572116 0.585219 frac of ind that is embryo
theta_bj - 0.000285997 0.000268288 0.287137 0.287432 0.0161156 0.0158678 0.281597 0.2788 frac of ind between b and j
theta_jp - 0.0002566 0.000205429 0.0706373 0.0585026 0.00507639 0.00393164 0.0272119 0.0208419 frac of ind between j and p
theta_pi - 0.999173 0.99926 0.142974 0.137326 0.96255 0.964202 0.119075 0.115139 frac of ind that is adult
L_bi cm 1.65503 1.88713 0.0398724 0.0395317 0.333061 0.358371 0.0274968 0.025911 mean structural length of post-natals
L2_bi cm^2 2.91463 3.78849 0.0431074 0.0471971 0.203139 0.236315 0.0236146 0.0192949 mean squared structural length of post-natals
L3_bi cm^3 5.25016 7.7785 0.0807681 0.100014 0.172576 0.217849 0.0552013 0.0424191 mean cubed structural length of post-natals
Ww_bi g 7.66532 11.8553 0.123664 0.160531 0.337934 0.455667 0.108093 0.0887263 mean wet weight of post-natals
L_pi cm 1.65592 1.88802 0.122815 0.122169 0.340226 0.365573 0.0813576 0.0758323 mean structural length of adults
L2_pi cm^2 2.91621 3.79029 0.15086 0.165972 0.20761 0.241167 0.0847342 0.0693861 mean squared structural length of adults
L3_pi cm^3 5.25301 7.78219 0.282879 0.351955 0.176376 0.222323 0.198359 0.152811 mean cubed structural length of adults
Ww_pi g 7.66948 11.8609 0.433115 0.564919 0.345374 0.465023 0.38842 0.319629 mean wet weight of adults
R 1/d 0 118.167 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.0558605 0.0827353 0.00095373 0.00118985 0.0081136 0.0107543 0.000942758 0.000877583 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 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.286108 0.272481 0.00764917 0.00631448 yield of living structure on food
Y_VX_d mol/mol 0.0255542 0.0244318 0.0590139 0.0564462 2.46595e-05 2.06135e-05 0.100646 0.117618 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.27414 0.297457 0.00732918 0.00689327 yield of living reserve on food
Y_EX_d mol/mol 0.0117554 0.0128049 0.031342 0.0341549 2.36279e-05 2.25029e-05 0.0964359 0.128399 yield of dead reserve on food
Y_CX mol/mol 0.853315 0.853388 0.800269 0.800024 0.330329 0.320643 0.678565 0.631401 yield of CO2 on food
Y_HX mol/mol 0.619128 0.619181 0.58064 0.580462 0.239672 0.232645 0.492336 0.458117 yield of H2O on food
Y_OX mol/mol -0.92798 -0.92806 -0.870293 -0.870026 -0.359232 -0.3487 -0.737939 -0.686649 yield of O2 on food
Y_NX mol/mol 0.127997 0.128008 0.12004 0.120004 0.0495493 0.0480965 0.101785 0.0947102 yield of N-waste on food
mu_TX J/mol 453257 453241 425755 425492 178644 172635 361282 336123 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female differ.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer