Sphoeroides testudineus: Population traits

at T = 25.6 °C with background hazards for embryo, juv, adult: 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 std f_minf f_max date: 2025/05/22
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.187191 0.189436 0.594718 0.594718 1 1 scaled functional response
r 1/d 0 0 0.0346704 0.00793678 0.0434454 0.00906755 spec pop growth rate
t2 d NaN NaN 19.9925 87.3335 15.9544 76.4426 population doubling time
a_b d 3.51023 3.50416 3.05961 3.05961 2.93979 2.93979 age at birth
t_p d 2787.09 1458.86 217.866 217.866 169.551 169.551 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.492634 1 0.350323 1 0.313315 survival probability at puberty
theta_0b - 0.00161712 0.229424 0.100493 0.432217 0.119734 0.466411 frac of ind that is embryo
theta_bp - 0.00161997 0.161149 0.0905321 0.250465 0.105545 0.255137 fraction of individuals that is juvenile
theta_pi - 0.996763 0.609427 0.808975 0.317318 0.774721 0.278452 frac of ind that is adult
L_bi cm 0.967618 0.383607 0.29195 0.138242 0.286666 0.137964 mean structural length of post-natals
L2_bi cm^2 0.976237 0.315783 0.13921 0.0533611 0.137275 0.0558063 mean squared structural length of post-natals
L3_bi cm^3 1.00082 0.309098 0.0921394 0.0487909 0.0936359 0.0585722 mean cubed structural length of post-natals
Ww_bi g 1.75224 0.543954 0.311926 0.165175 0.469202 0.2935 mean wet weight of post-natals
L_pi cm 0.969109 0.472037 0.318405 0.205313 0.317888 0.214306 mean structural length of adults
L2_pi cm^2 0.97782 0.398638 0.154436 0.0931886 0.155515 0.104126 mean squared structural length of adults
L3_pi cm^3 1.00245 0.390799 0.10243 0.0871747 0.106365 0.112077 mean cubed structural length of adults
Ww_pi g 1.75509 0.687733 0.346764 0.295118 0.532984 0.561611 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.0439055 0.0143724 0.0198912 0.00762456 0.0329815 0.0134079 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 0.160599 0.0507888 0.123343 0.0396113 yield of living structure on food
Y_VX_d mol/mol 0.0125972 0.0318619 6.2867e-06 0.0970864 2.83117e-06 0.0761492 yield of dead structure on food
Y_EX mol/mol 0 0 0.383087 0.12115 0.49472 0.158878 yield of living reserve on food
Y_EX_d mol/mol 0.0094581 0.024209 1.49961e-05 0.231586 1.13556e-05 0.305428 yield of dead reserve on food
Y_CX mol/mol 0.86857 0.834554 0.346917 0.390014 0.272548 0.310559 yield of CO2 on food
Y_HX mol/mol 0.624888 0.600415 0.249588 0.280593 0.196083 0.22343 yield of H2O on food
Y_OX mol/mol -0.944569 -0.907578 -0.377273 -0.42414 -0.296396 -0.337732 yield of O2 on food
Y_NX mol/mol 0.130285 0.125183 0.0520376 0.0585021 0.0408822 0.0465838 yield of N-waste on food
mu_TX J/mol 460999 443254 181491 204558 138725 159251 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