Elassodiscus obscurus: Population traits

at T = 2.4 °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: 2025/04/23
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.268533 0.721048 0.860524 0.860524 1 1 scaled functional response
r 1/d 0 0 0.00334038 2.37032e-05 0.00366764 4.26064e-05 spec pop growth rate
t2 d NaN NaN 207.505 29242.8 188.99 16268.6 population doubling time
a_b d 63.4627 60.022 59.6528 59.6528 59.3817 59.3817 age at birth
t_j d 26.4559 20.2843 19.7221 19.7221 19.3201 19.3201 time since birth at metam
t_p d 4425.03 1056.14 974.177 974.177 921.09 921.09 time since birth at puberty
S_b - 0.999995 0.999996 0.999996 0.999996 0.999996 0.999996 survival probability at birth
S_j - 0.999988 0.423591 0.999992 0.422075 0.999992 0.421004 survival probability at metam
S_p - 0.999974 0.176154 0.999981 0.170587 0.999981 0.166596 survival probability at puberty
theta_0b - 0.017287 0.53842 0.180773 0.555813 0.195783 0.567861 frac of ind that is embryo
theta_bj - 0.00720915 0.122135 0.0522817 0.123042 0.0550537 0.123485 frac of ind between b and j
theta_jp - 0.0100841 0.0971394 0.0958678 0.0994658 0.10245 0.100986 frac of ind between j and p
theta_pi - 0.96542 0.242305 0.671077 0.221679 0.646714 0.207667 frac of ind that is adult
L_bi cm 0.876402 0.644055 0.719661 0.629221 0.701981 0.615636 mean structural length of post-natals
L2_bi cm^2 0.806662 0.968 0.761157 1.01957 0.737919 1.05482 mean squared structural length of post-natals
L3_bi cm^3 0.75917 2.00541 1.02698 2.40205 1.00896 2.7557 mean cubed structural length of post-natals
Ww_bi g 2.77078 16.2737 9.74728 22.7983 10.9649 29.9475 mean wet weight of post-natals
L_pi cm 0.889011 1.07182 0.836423 1.08757 0.826156 1.09357 mean structural length of adults
L2_pi cm^2 0.820563 1.81614 0.920794 2.01155 0.908225 2.16078 mean squared structural length of adults
L3_pi cm^3 0.772669 3.81496 1.25196 4.8071 1.25272 5.72782 mean cubed structural length of adults
Ww_pi g 2.82005 30.9581 11.8826 45.6252 13.6139 62.247 mean wet weight of adults
R 1/d 0.00400038 0.0757043 0.0150564 0.0858721 0.0135711 0.0922613 mean reproduction rate of adults
J_X g/d 0.0242841 0.0792775 0.0745256 0.0997717 0.0840299 0.120054 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 0.0460313 0.000570664 0.044038 0.000977985 yield of living structure on food
Y_VX_d mol/mol 0.0110946 0.0222204 0.000232237 0.0213995 0.000171188 0.020597 yield of dead structure on food
Y_EX mol/mol 0 0 0.390861 0.00484563 0.434544 0.00965025 yield of living reserve on food
Y_EX_d mol/mol 0.0293979 0.158097 0.00197197 0.181707 0.00168919 0.20324 yield of dead reserve on food
Y_CX mol/mol 0.850133 0.710308 0.451529 0.682102 0.410182 0.65616 yield of CO2 on food
Y_HX mol/mol 0.611623 0.511027 0.32485 0.490734 0.295103 0.47207 yield of H2O on food
Y_OX mol/mol -0.924519 -0.77246 -0.491037 -0.741786 -0.446073 -0.713574 yield of O2 on food
Y_NX mol/mol 0.12752 0.106546 0.0677293 0.102315 0.0615273 0.0984239 yield of N-waste on food
mu_TX J/mol 450784 374437 233310 358911 210467 344623 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