Symsagittifera roscoffensis: Population traits

at T = 18 °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 - 0.495421 0.659533 0.829766 0.829766 1 1 scaled functional response
r 1/d 0 0 0.0315162 0.00124483 0.0449901 0.00223509 spec pop growth rate
t2 d NaN NaN 21.9933 556.819 15.4067 310.12 population doubling time
a_b d 4.53075 4.32743 4.16793 4.16793 4.04122 4.04122 age at birth
t_j d 760.451 212.249 126.714 126.714 91.7033 91.7033 time since birth at metam
t_p d 1100.69 273.986 160.192 160.192 114.907 114.907 time since birth at puberty
S_b - 0.999994 0.999995 0.999996 0.999996 0.999996 0.999996 survival probability at birth
S_j - 0.999961 0.888069 0.999971 0.816903 0.999974 0.757108 survival probability at metam
S_p - 0.32335 0.0028911 0.993669 0.00212531 0.997216 0.00180676 survival probability at puberty
theta_0b - 0.00745283 0.104928 0.12301 0.170782 0.166085 0.222622 frac of ind that is embryo
theta_bj - 0.00747234 0.0991676 0.108069 0.154142 0.138697 0.192968 frac of ind between b and j
theta_jp - 0.87401 0.782648 0.752904 0.666916 0.6818 0.578585 frac of ind between j and p
theta_pi - 0.111065 0.013256 0.0160164 0.00815973 0.0134179 0.00582464 frac of ind that is adult
L_bi cm 0.0374607 0.0240906 0.0295308 0.0238739 0.0296539 0.0237735 mean structural length of post-natals
L2_bi cm^2 0.00183923 0.000895093 0.00141939 0.000953921 0.00147433 0.000997492 mean squared structural length of post-natals
L3_bi cm^3 0.000110454 6.64557e-05 0.000122938 9.51942e-05 0.000140089 0.000123143 mean cubed structural length of post-natals
Ww_bi g 0.000118109 7.25877e-05 0.000137209 0.000106245 0.000159689 0.000140372 mean wet weight of post-natals
L_pi cm 0.0810033 0.145518 0.155166 0.192547 0.169491 0.22959 mean structural length of adults
L2_pi cm^2 0.0065658 0.0213454 0.0247054 0.0379626 0.0298132 0.0551407 mean squared structural length of adults
L3_pi cm^3 0.00053253 0.00315214 0.00403513 0.00762266 0.00544608 0.0136863 mean cubed structural length of adults
Ww_pi g 0.000569441 0.00344299 0.00450356 0.00850756 0.00620802 0.0156011 mean wet weight of adults
R 1/d 0.221202 2.18359 3.52708 5.59439 5.35035 10.2865 mean reproduction rate of adults
J_X g/d 1.21857e-05 8.10643e-06 1.96211e-05 1.23002e-05 2.588e-05 1.66242e-05 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 0.197468 0.00963409 0.243532 0.0165563 yield of living structure on food
Y_VX_d mol/mol 0.0325115 0.0940349 0.000815622 0.111901 0.000399136 0.122921 yield of dead structure on food
Y_EX mol/mol 0 0 0.0229239 0.00111841 0.0340715 0.00231632 yield of living reserve on food
Y_EX_d mol/mol 0.00225344 0.00867681 9.46847e-05 0.0129905 5.58414e-05 0.0171974 yield of dead reserve on food
Y_CX mol/mol 0.85586 0.787913 0.669323 0.754981 0.612566 0.731634 yield of CO2 on food
Y_HX mol/mol 0.622876 0.573426 0.487118 0.549458 0.445812 0.532467 yield of H2O on food
Y_OX mol/mol -0.930748 -0.856856 -0.727888 -0.821042 -0.666166 -0.795652 yield of O2 on food
Y_NX mol/mol 0.128379 0.118187 0.100398 0.113247 0.0918849 0.109745 yield of N-waste on food
mu_TX J/mol 455005 420710 360698 403973 331764 392029 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