Crangon crangon: Population traits

at T = 10 °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_min f_max date: 2023/09/03
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.177033 0.177033 0.209159 0.209159 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0260371 0.0260371 0.00376749 0.00376749 spec pop growth rate
t2 d NaN NaN NaN NaN 26.6215 26.6215 183.981 183.981 population doubling time
a_b d 20.3713 20.6092 19.8104 20.0427 15.4412 15.5928 15.4412 15.5928 age at birth
t_j d 184.908 201.604 151.848 164.582 37.9241 39.7403 37.9241 39.7403 time since birth at metam
t_p d 3465.43 NaN 1731.89 2167.37 229.039 241.493 229.039 241.493 time since birth at puberty
S_b - 0.999993 0.999992 0.999993 0.999993 0.999997 0.999996 0.999997 0.999996 survival probability at birth
S_j - 0.999956 0.999951 0.662634 0.682763 0.999984 0.999982 0.25601 0.269313 survival probability at metam
S_p - 0.998936 0.998613 0.0426465 0.0435387 0.999959 0.999951 0.0352098 0.0353134 survival probability at puberty
theta_0b - 0.00911293 0.00939596 0.257486 0.242858 0.330921 0.333555 0.582598 0.574018 frac of ind that is embryo
theta_bj - 0.00913046 0.00941484 0.211448 0.202258 0.221509 0.222395 0.302295 0.303594 frac of ind between b and j
theta_jp - 0.0737116 0.0826344 0.388545 0.407491 0.198334 0.207265 0.0841052 0.0909682 frac of ind between j and p
theta_pi - 0.908045 0.898555 0.142522 0.147392 0.249235 0.236786 0.0310022 0.0314194 frac of ind that is adult
L_bi cm 0.189045 0.174037 0.0660312 0.0643509 0.0880077 0.0843071 0.0472276 0.0469291 mean structural length of post-natals
L2_bi cm^2 0.0390954 0.0331787 0.00942351 0.00853621 0.0135159 0.0122731 0.00570478 0.00547808 mean squared structural length of post-natals
L3_bi cm^3 0.00837449 0.00655875 0.00205027 0.00170817 0.0031117 0.00268088 0.00226742 0.00205542 mean cubed structural length of post-natals
Ww_bi g 0.00976103 0.00757169 0.00245132 0.00201985 0.00602186 0.00501964 0.00438797 0.00384853 mean wet weight of post-natals
L_pi cm 0.202188 0.187284 0.195164 0.184519 0.162925 0.158694 0.191469 0.188887 mean structural length of adults
L2_pi cm^2 0.0424614 0.0363551 0.0434244 0.0382991 0.0327464 0.0307721 0.0596473 0.0570144 mean squared structural length of adults
L3_pi cm^3 0.00912795 0.00721903 0.010446 0.00854493 0.00816574 0.00734632 0.0297989 0.0271351 mean cubed structural length of adults
Ww_pi g 0.0106392 0.00833394 0.0124893 0.0101041 0.0158026 0.0137551 0.0576676 0.0508074 mean wet weight of adults
R 1/d 0 0 0.174822 0 1.55691 1.35089 3.8373 3.49863 mean reproduction rate of adults
J_X g/d 0.00015183 0.000119091 4.18603e-05 3.49576e-05 0.000311905 0.000262814 0.000121941 0.000108616 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 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.259758 0.265596 0.070054 0.0712948 yield of living structure on food
Y_VX_d mol/mol 0.0358279 0.0367134 0.0879387 0.0900793 4.9758e-05 5.4548e-05 0.156274 0.159786 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.242933 0.231702 0.0655165 0.0621966 yield of living reserve on food
Y_EX_d mol/mol 0.0059319 0.00567005 0.0172018 0.0164365 4.65351e-05 4.75869e-05 0.146152 0.139395 yield of dead reserve on food
Y_CX mol/mol 0.848865 0.848242 0.785485 0.784109 0.387838 0.393225 0.452629 0.457952 yield of CO2 on food
Y_HX mol/mol 0.612126 0.611676 0.566422 0.56543 0.279674 0.283559 0.326396 0.330234 yield of H2O on food
Y_OX mol/mol -0.923141 -0.922463 -0.854214 -0.852719 -0.421774 -0.427632 -0.492234 -0.498023 yield of O2 on food
Y_NX mol/mol 0.12733 0.127236 0.117823 0.117616 0.0581757 0.0589838 0.0678944 0.0686928 yield of N-waste on food
mu_TX J/mol 451323 451025 419070 418420 208958 212213 242919 246084 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female differ.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer