Marinogammarus marinus: Population traits

at T = 13 °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: 2025/05/22
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.371301 0.371301 0.779165 0.779165 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0122043 0.0122043 0.0015113 0.0015113 spec pop growth rate
t2 d NaN NaN NaN NaN 56.7952 56.7952 458.643 458.643 population doubling time
a_b d 34.4074 33.845 30.3831 29.8978 29.1709 28.7183 29.1709 28.7183 age at birth
t_j d 31.4117 28.2727 15.1395 13.8951 12.2236 11.2871 12.2236 11.2871 time since birth at metam
t_p d 197.822 173.733 85 77.4241 67.4386 61.9356 67.4386 61.9356 time since birth at puberty
S_b - 0.996683 0.997127 0.997648 0.997959 0.997895 0.998171 0.997895 0.998171 survival probability at birth
S_j - 0.981385 0.985605 0.702203 0.699494 0.994892 0.995789 0.694978 0.692992 survival probability at metam
S_p - 0.979218 0.982207 0.561376 0.541601 0.988567 0.990208 0.51036 0.491812 survival probability at puberty
theta_0b - 0.102553 0.0942739 0.267684 0.275957 0.313245 0.307653 0.334564 0.34406 frac of ind that is embryo
theta_bj - 0.0929663 0.0783372 0.112437 0.107909 0.101302 0.0941558 0.114013 0.109933 frac of ind between b and j
theta_jp - 0.0087777 0.0153113 0.0844492 0.0910276 0.117113 0.121699 0.10993 0.115923 frac of ind between j and p
theta_pi - 0.795704 0.812078 0.535431 0.525106 0.468341 0.476492 0.441493 0.430084 frac of ind that is adult
L_bi cm 0.0132192 0.0142335 0.016396 0.0171992 0.0154685 0.0161839 0.0165803 0.0172205 mean structural length of post-natals
L2_bi cm^2 0.000181691 0.000212805 0.000313103 0.00035287 0.000271024 0.000301219 0.000331615 0.000366619 mean squared structural length of post-natals
L3_bi cm^3 2.59006e-06 3.32662e-06 6.89574e-06 8.50811e-06 5.3989e-06 6.45937e-06 7.9781e-06 9.59161e-06 mean cubed structural length of post-natals
Ww_bi g 3.08171e-06 4.02303e-06 9.64257e-06 1.22458e-05 8.15901e-06 1.01013e-05 1.20568e-05 1.49995e-05 mean wet weight of post-natals
L_pi cm 0.0137123 0.014786 0.0187648 0.0199091 0.0178955 0.0188145 0.0198259 0.0208665 mean structural length of adults
L2_pi cm^2 0.000193706 0.000227053 0.000391643 0.000448126 0.000347979 0.000388546 0.000446905 0.000503273 mean squared structural length of adults
L3_pi cm^3 2.81603e-06 3.61284e-06 9.06401e-06 1.13414e-05 7.40294e-06 8.86847e-06 1.14793e-05 1.4046e-05 mean cubed structural length of adults
Ww_pi g 3.35058e-06 4.36918e-06 1.26745e-05 1.63238e-05 1.11876e-05 1.38687e-05 1.73478e-05 2.19653e-05 mean wet weight of adults
R 1/d 0.00835508 0.0112185 0.0354974 0.0439614 0.036341 0.0433323 0.0480816 0.0578965 mean reproduction rate of adults
J_X g/d 6.42904e-08 8.34613e-08 2.37801e-07 2.96165e-07 2.65153e-07 3.2556e-07 3.24449e-07 3.962e-07 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 0.248498 0.242144 0.0371623 0.0365871 yield of living structure on food
Y_VX_d mol/mol 0.196434 0.187151 0.24605 0.238072 0.0335243 0.0300132 0.223429 0.2158 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.127041 0.136525 0.0189987 0.0206284 yield of living reserve on food
Y_EX_d mol/mol 0.0372875 0.0391792 0.0980106 0.104586 0.0171388 0.0169219 0.114225 0.121672 yield of dead reserve on food
Y_CX mol/mol 0.656904 0.664295 0.546564 0.547967 0.464424 0.465021 0.496811 0.495937 yield of CO2 on food
Y_HX mol/mol 0.4737 0.47903 0.394134 0.395145 0.334901 0.335332 0.358256 0.357626 yield of H2O on food
Y_OX mol/mol -0.714383 -0.722421 -0.594389 -0.595914 -0.505061 -0.505711 -0.540281 -0.539332 yield of O2 on food
Y_NX mol/mol 0.0985355 0.0996442 0.0819847 0.082195 0.0696635 0.0697532 0.0745216 0.0743906 yield of N-waste on food
mu_TX J/mol 353775 357376 295569 295942 252190 252026 268932 268041 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