Silurus glanis: Population traits

at T = 20 °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: 2025/06/26
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.33267 0.33267 0.666335 0.666335 1 1 scaled functional response
r 1/d 0 0 0.00443227 0.000931141 0.00539711 0.00107032 spec pop growth rate
t2 d NaN NaN 156.387 744.406 128.429 647.606 population doubling time
a_b d 9.03685 9.03685 8.54553 8.54553 8.36183 8.36183 age at birth
t_j d 0.00281106 0.00281106 0.00222385 0.00222385 0.00202904 0.00202904 time since birth at metam
t_p d 7561.46 7561.46 2361.55 2361.55 1915.84 1915.84 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.99938 1 0.99938 1 0.999379 survival probability at metam
S_p - 1 0.361476 1 0.310632 1 0.291453 survival probability at puberty
theta_0b - 0.000270779 0.370939 0.0369879 0.450677 0.0438925 0.469318 frac of ind that is embryo
theta_bj - 8.46702e-08 0.000115953 9.49207e-06 0.000117378 1.04702e-05 0.000113982 frac of ind between b and j
theta_jp - 0.000272108 0.223963 0.0357835 0.250455 0.0421792 0.252579 frac of ind between j and p
theta_pi - 0.999457 0.404983 0.927219 0.298751 0.913918 0.277989 frac of ind that is adult
L_bi cm 8.09956 1.03413 1.15443 0.244551 1.07091 0.239647 mean structural length of post-natals
L2_bi cm^2 67.6294 6.7781 2.395 0.322392 2.09944 0.309029 mean squared structural length of post-natals
L3_bi cm^3 570.773 54.8889 7.02404 1.37802 5.94142 1.38267 mean cubed structural length of post-natals
Ww_bi g 1651.28 158.797 33.6578 6.60321 39.7513 9.25077 mean wet weight of post-natals
L_pi cm 8.10174 1.56686 1.19599 0.387774 1.11668 0.389445 mean structural length of adults
L2_pi cm^2 67.6479 10.5256 2.48721 0.588095 2.19606 0.58468 mean squared structural length of adults
L3_pi cm^3 570.928 85.2589 7.29517 2.53345 6.21567 2.6391 mean cubed structural length of adults
Ww_pi g 1651.73 246.66 34.957 12.1398 41.5862 17.657 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 3.54847 0.355642 0.251704 0.033882 0.331129 0.0487406 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 0.123687 0.0378706 0.09684 0.0303627 yield of living structure on food
Y_VX_d mol/mol 0.00546721 0.0147349 5.15816e-07 0.0747633 2.50983e-07 0.0599732 yield of dead structure on food
Y_EX mol/mol 0 0 0.468995 0.143598 0.551071 0.17278 yield of living reserve on food
Y_EX_d mol/mol 0.0103498 0.0278943 1.95587e-06 0.283487 1.42822e-06 0.341279 yield of dead reserve on food
Y_CX mol/mol 0.874808 0.847996 0.297941 0.350906 0.242712 0.28623 yield of CO2 on food
Y_HX mol/mol 0.629376 0.610086 0.214352 0.252457 0.174618 0.205926 yield of H2O on food
Y_OX mol/mol -0.951354 -0.922195 -0.32401 -0.38161 -0.26395 -0.311275 yield of O2 on food
Y_NX mol/mol 0.131221 0.127199 0.0446911 0.0526358 0.0364069 0.0429345 yield of N-waste on food
mu_TX J/mol 464074 449791 152708 181286 120990 144599 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