Verasper variegatus: Population traits

at T = 21 °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: 2025/05/22
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.395124 0.395124 0.697562 0.697562 1 1 scaled functional response
r 1/d 0 0 0.0119972 0.00300733 0.017281 0.00420965 spec pop growth rate
t2 d NaN NaN 57.776 230.486 40.1103 164.657 population doubling time
a_b d 6.07429 6.07429 5.57744 5.57744 5.31845 5.31845 age at birth
t_j d 12.2887 12.2887 8.25008 8.25008 6.67062 6.67062 time since birth at metam
t_p d 3338.83 3338.83 937.105 937.105 665.664 665.664 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.358799 1 0.245511 1 0.190634 survival probability at metam
S_p - 1 0.125729 1 0.125257 1 0.125083 survival probability at puberty
theta_0b - 0.000927182 0.434517 0.0645813 0.539954 0.087634 0.583161 frac of ind that is embryo
theta_bj - 0.000929667 0.272548 0.0605446 0.28649 0.0801163 0.27994 frac of ind between b and j
theta_jp - 0.000951112 0.0990684 0.0276074 0.0450335 0.0192217 0.0222945 frac of ind between j and p
theta_pi - 0.997192 0.193867 0.847267 0.128522 0.813028 0.114605 frac of ind that is adult
L_bi cm 3.23218 0.296757 0.542453 0.110712 0.483578 0.106988 mean structural length of post-natals
L2_bi cm^2 11.069 0.658914 0.522039 0.0559638 0.423893 0.0499026 mean squared structural length of post-natals
L3_bi cm^3 38.7181 2.12744 0.701583 0.0936225 0.532237 0.0817111 mean cubed structural length of post-natals
Ww_bi g 101.318 5.56709 2.70414 0.360853 2.71009 0.416064 mean wet weight of post-natals
L_pi cm 3.23816 0.767365 0.59294 0.264183 0.535678 0.254054 mean structural length of adults
L2_pi cm^2 11.0899 1.91674 0.575999 0.193307 0.47527 0.17433 mean squared structural length of adults
L3_pi cm^3 38.7911 6.20514 0.774556 0.334735 0.597241 0.296802 mean cubed structural length of adults
Ww_pi g 101.509 16.2376 2.98541 1.29018 3.04109 1.51128 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 1.26936 0.0754993 0.105806 0.011222 0.123213 0.0143315 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 0.0795512 0.0250893 0.0746478 0.0240013 yield of living structure on food
Y_VX_d mol/mol 0.00593212 0.0146238 4.07664e-06 0.0502936 1.67805e-06 0.0480808 yield of dead structure on food
Y_EX mol/mol 0 0 0.227067 0.0716136 0.305451 0.0982106 yield of living reserve on food
Y_EX_d mol/mol 0.00959107 0.0236438 1.16361e-05 0.143555 6.86637e-06 0.196741 yield of dead reserve on food
Y_CX mol/mol 0.875102 0.852357 0.583992 0.600073 0.510518 0.523591 yield of CO2 on food
Y_HX mol/mol 0.629587 0.613224 0.420149 0.431719 0.367289 0.376695 yield of H2O on food
Y_OX mol/mol -0.951673 -0.926939 -0.635091 -0.65258 -0.555188 -0.569405 yield of O2 on food
Y_NX mol/mol 0.131265 0.127854 0.0875987 0.090011 0.0765777 0.0785387 yield of N-waste on food
mu_TX J/mol 464259 452184 307829 316466 267174 274235 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