Decapterus macarellus: Population traits

at T = 21.9 °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: 2024/12/10
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.465971 0.548525 0.774262 0.774262 1 1 scaled functional response
r 1/d 0 0 0.00651449 0.000790817 0.00847898 0.00113909 spec pop growth rate
t2 d NaN NaN 106.401 876.494 81.7489 608.507 population doubling time
a_b d 9.72634 9.49499 9.05571 9.05571 8.77376 8.77376 age at birth
t_j d 8.64325 7.72887 6.235 6.235 5.42127 5.42127 time since birth at metam
t_p d 4011.05 2030.04 1183.51 1183.51 918.523 918.523 time since birth at puberty
S_b - 0.999998 0.999998 0.999998 0.999998 0.999998 0.999998 survival probability at birth
S_j - 0.999991 0.341442 0.999994 0.340967 0.999995 0.340718 survival probability at metam
S_p - 0.999989 0.291768 0.999992 0.252495 0.999993 0.228293 survival probability at puberty
theta_0b - 0.00377483 0.427331 0.0572799 0.48521 0.071647 0.51634 frac of ind that is embryo
theta_bj - 0.00336033 0.213538 0.0375766 0.203796 0.0417394 0.19418 frac of ind between b and j
theta_jp - 0.000421081 0.0251298 0.0165046 0.0439895 0.0248676 0.0543939 frac of ind between j and p
theta_pi - 0.992444 0.334001 0.888639 0.267004 0.861746 0.235087 frac of ind that is adult
L_bi cm 2.44148 0.340696 0.750018 0.253119 0.693184 0.238543 mean structural length of post-natals
L2_bi cm^2 6.88298 0.54384 0.943146 0.294847 0.824022 0.261433 mean squared structural length of post-natals
L3_bi cm^3 20.6094 1.53327 1.60727 0.813173 1.36146 0.754564 mean cubed structural length of post-natals
Ww_bi g 32.1427 2.54333 3.1018 1.56931 2.99652 1.66077 mean wet weight of post-natals
L_pi cm 2.45049 0.531208 0.790747 0.417365 0.74033 0.408692 mean structural length of adults
L2_pi cm^2 6.90919 0.928468 1.00014 0.562974 0.887164 0.531323 mean squared structural length of adults
L3_pi cm^3 20.6879 2.6286 1.70505 1.56738 1.46664 1.55188 mean cubed structural length of adults
Ww_pi g 32.2652 4.36021 3.29051 3.02482 3.22803 3.41563 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.180942 0.0168242 0.0412273 0.0128736 0.0465327 0.0147438 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 0.253971 0.0499526 0.248079 0.0582971 yield of living structure on food
Y_VX_d mol/mol 0.0791144 0.141729 0.00156746 0.146088 0.000824701 0.143109 yield of dead structure on food
Y_EX mol/mol 0 0 0.236158 0.046449 0.297934 0.0700127 yield of living reserve on food
Y_EX_d mol/mol 0.0442735 0.0933654 0.00145752 0.135841 0.000990436 0.171868 yield of dead reserve on food
Y_CX mol/mol 0.767237 0.65553 0.397472 0.512294 0.342797 0.447338 yield of CO2 on food
Y_HX mol/mol 0.551984 0.471618 0.285959 0.368567 0.246623 0.321835 yield of H2O on food
Y_OX mol/mol -0.83437 -0.712889 -0.43225 -0.55712 -0.372791 -0.48648 yield of O2 on food
Y_NX mol/mol 0.115086 0.0983295 0.0596207 0.0768441 0.0514195 0.0671007 yield of N-waste on food
mu_TX J/mol 408592 350284 214043 274220 183640 238762 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