Nezumia aequalis: Population traits

at T = 9.3 °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: 2025/04/18
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.431717 0.515275 0.757637 0.757637 1 1 scaled functional response
r 1/d 0 0 0.00312868 0.000494714 0.0044571 0.000762049 spec pop growth rate
t2 d NaN NaN 221.546 1401.11 155.515 909.583 population doubling time
a_b d 42.4732 41.2544 38.8084 38.8084 37.2401 37.2401 age at birth
t_j d 94.9202 81.6175 60.2449 60.2449 49.5188 49.5188 time since birth at metam
t_p d 6928.72 3770.68 2052.85 2052.85 1523.98 1523.98 time since birth at puberty
S_b - 0.999984 0.999985 0.999987 0.999987 0.999989 0.999989 survival probability at birth
S_j - 0.999913 0.415648 0.999937 0.324276 0.999946 0.267432 survival probability at metam
S_p - 0.999776 0.176069 0.9999 0.174084 0.999928 0.173124 survival probability at puberty
theta_0b - 0.00937922 0.376845 0.114484 0.46718 0.152975 0.51404 frac of ind that is embryo
theta_bj - 0.00939151 0.251139 0.101486 0.275747 0.12968 0.278614 frac of ind between b and j
theta_jp - 0.0115957 0.102963 0.050992 0.0603093 0.0382499 0.035102 frac of ind between j and p
theta_pi - 0.969634 0.269052 0.733038 0.196764 0.679095 0.172244 frac of ind that is adult
L_bi cm 1.18954 0.322331 0.491384 0.243896 0.448837 0.229666 mean structural length of post-natals
L2_bi cm^2 1.62105 0.283435 0.376986 0.166995 0.321616 0.148444 mean squared structural length of post-natals
L3_bi cm^3 2.34545 0.39546 0.383697 0.236025 0.315522 0.219476 mean cubed structural length of post-natals
Ww_bi g 3.1683 0.561049 0.619931 0.38134 0.571925 0.397829 mean wet weight of post-natals
L_pi cm 1.21274 0.603496 0.56922 0.474689 0.530851 0.449728 mean structural length of adults
L2_pi cm^2 1.65583 0.640506 0.452465 0.431466 0.397655 0.396657 mean squared structural length of adults
L3_pi cm^3 2.39618 0.914097 0.463146 0.636754 0.393114 0.616671 mean cubed structural length of adults
Ww_pi g 3.23682 1.29685 0.748294 1.02879 0.71257 1.1178 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.0119274 0.00247932 0.00489183 0.00214354 0.00551594 0.00251475 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 0.245402 0.0544728 0.254955 0.0665084 yield of living structure on food
Y_VX_d mol/mol 0.0771292 0.140658 0.00233759 0.151519 0.00106553 0.154521 yield of dead structure on food
Y_EX mol/mol 0 0 0.151089 0.0335377 0.207184 0.0540466 yield of living reserve on food
Y_EX_d mol/mol 0.0270589 0.0588972 0.0014392 0.0932868 0.00086588 0.125568 yield of dead reserve on food
Y_CX mol/mol 0.786437 0.69107 0.490358 0.557809 0.426555 0.489981 yield of CO2 on food
Y_HX mol/mol 0.565798 0.497187 0.352785 0.401313 0.306883 0.352514 yield of H2O on food
Y_OX mol/mol -0.85525 -0.751539 -0.533264 -0.606617 -0.463879 -0.532854 yield of O2 on food
Y_NX mol/mol 0.117966 0.103661 0.0735537 0.0836713 0.0639833 0.0734971 yield of N-waste on food
mu_TX J/mol 419053 369778 264740 299751 230063 263197 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