Gammarus pseudolimnaeus: Population traits

at T = 12 °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 - 0.515809 NaN 0.757904 NaN 1 1 scaled functional response
r 1/d 0 0 0.00642107 NaN 0.0107763 NaN spec pop growth rate
t2 d NaN NaN 107.949 NaN 64.3215 NaN population doubling time
a_b d 26.0112 NaN 24.3965 NaN 23.3094 NaN age at birth
t_j d 247.939 NaN 138.514 NaN 99.8094 NaN time since birth at metam
t_p d 523.657 NaN 266.088 NaN 186.112 NaN time since birth at puberty
S_b - 0.999161 NaN 0.999301 NaN 0.999385 NaN survival probability at birth
S_j - 0.994364 NaN 0.995626 NaN 0.996359 NaN survival probability at metam
S_p - 0.800464 NaN 0.947959 NaN 0.974874 NaN survival probability at puberty
theta_0b - 0.0551348 NaN 0.15828 NaN 0.228322 NaN frac of ind that is embryo
theta_bj - 0.0550752 NaN 0.1352 NaN 0.177452 NaN frac of ind between b and j
theta_jp - 0.430739 NaN 0.405704 NaN 0.345391 NaN frac of ind between j and p
theta_pi - 0.459051 NaN 0.300816 NaN 0.248835 NaN frac of ind that is adult
L_bi cm 0.0994413 NaN 0.10266 NaN 0.104848 NaN mean structural length of post-natals
L2_bi cm^2 0.0112478 NaN 0.0134139 NaN 0.0147986 NaN mean squared structural length of post-natals
L3_bi cm^3 0.0013946 NaN 0.00210891 NaN 0.00265119 NaN mean cubed structural length of post-natals
Ww_bi g 0.00163837 NaN 0.00265057 NaN 0.00354963 NaN mean wet weight of post-natals
L_pi cm 0.133325 NaN 0.16534 NaN 0.181122 NaN mean structural length of adults
L2_pi cm^2 0.0180865 NaN 0.0287055 NaN 0.0352888 NaN mean squared structural length of adults
L3_pi cm^3 0.00249336 NaN 0.00521974 NaN 0.00738477 NaN mean cubed structural length of adults
Ww_pi g 0.0029292 NaN 0.00656039 NaN 0.00988736 NaN mean wet weight of adults
R 1/d 0.0242659 NaN 0.0687591 NaN 0.110642 NaN mean reproduction rate of adults
J_X g/d 4.59613e-05 NaN 8.70763e-05 NaN 0.000131377 NaN mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN 0.109375 NaN 0.109375 NaN yield of faeces on food
Y_VX mol/mol 0 NaN 0.155513 NaN 0.217466 NaN yield of living structure on food
Y_VX_d mol/mol 0.124873 NaN 0.0457226 NaN 0.024045 NaN yield of dead structure on food
Y_EX mol/mol 0 NaN 0.0399422 NaN 0.073696 NaN yield of living reserve on food
Y_EX_d mol/mol 0.0218278 NaN 0.0117435 NaN 0.00814849 NaN yield of dead reserve on food
Y_CX mol/mol 0.743924 NaN 0.637704 NaN 0.56727 NaN yield of CO2 on food
Y_HX mol/mol 0.536452 NaN 0.459856 NaN 0.409064 NaN yield of H2O on food
Y_OX mol/mol -0.809018 NaN -0.693503 NaN -0.616906 NaN yield of O2 on food
Y_NX mol/mol 0.111589 NaN 0.0956556 NaN 0.0850904 NaN yield of N-waste on food
mu_TX J/mol 398058 NaN 343455 NaN 306730 NaN 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