Notonecta maculata: Population traits

at T = 20 °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 abp f_minf f_max date: 2025/05/17
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.231536 0.424866 0.712433 0.712433 1 1 scaled functional response
r 1/d 0 0 0.0609121 0.00284277 0.0767773 0.00443262 spec pop growth rate
t2 d NaN NaN 11.3795 243.828 9.02802 156.374 population doubling time
a_b d 18.9371 17.3353 16.2646 16.2646 15.7123 15.7123 age at birth
t_p d 331.845 87.9327 53.3485 53.3485 42.7638 42.7638 time since birth at puberty
S_b - 0.998773 0.999071 0.999234 0.999234 0.999309 0.999309 survival probability at birth
S_p - 0.989501 0.414108 0.995788 0.239844 0.996528 0.174371 survival probability at puberty
theta_0b - 0.0951025 0.458418 0.629957 0.590259 0.701454 0.642245 frac of ind that is embryo
theta_bp - 0.0947542 0.304852 0.233533 0.301752 0.209648 0.285961 fraction of individuals that is juvenile
theta_pi - 0.810143 0.236729 0.136509 0.107989 0.0888975 0.0717936 frac of ind that is adult
L_bi cm 0.110397 0.115453 0.128856 0.118618 0.13084 0.119945 mean structural length of post-natals
L2_bi cm^2 0.0135305 0.01695 0.0211425 0.0184896 0.0219659 0.0191079 mean squared structural length of post-natals
L3_bi cm^3 0.00185832 0.00330575 0.00449174 0.00398139 0.00481207 0.00425928 mean cubed structural length of post-natals
Ww_bi g 0.00308787 0.00731933 0.0136364 0.0120871 0.0185633 0.0164308 mean wet weight of post-natals
L_pi cm 0.114755 0.157687 0.193607 0.200311 0.214384 0.227865 mean structural length of adults
L2_pi cm^2 0.0144871 0.0299178 0.0428792 0.0474291 0.0516997 0.0599703 mean squared structural length of adults
L3_pi cm^3 0.00202985 0.00682012 0.0108127 0.0130002 0.0139344 0.0177718 mean cubed structural length of adults
Ww_pi g 0.0033729 0.0151006 0.0328261 0.0394671 0.0537542 0.0685575 mean wet weight of adults
R 1/d 0.00868221 0.253863 0.461105 0.56349 0.580965 0.751245 mean reproduction rate of adults
J_X g/d 0.000374521 0.00118974 0.00266555 0.0023627 0.00397547 0.00351879 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 0.102643 0.00479037 0.0929343 0.00536541 yield of living structure on food
Y_VX_d mol/mol 0.0498257 0.0842114 0.00154043 0.0737126 0.000902612 0.0635224 yield of dead structure on food
Y_EX mol/mol 0 0 0.20897 0.00975264 0.265574 0.0153325 yield of living reserve on food
Y_EX_d mol/mol 0.0329672 0.102243 0.00313613 0.15007 0.00257935 0.181525 yield of dead reserve on food
Y_CX mol/mol 0.656364 0.572139 0.466647 0.529993 0.429516 0.507715 yield of CO2 on food
Y_HX mol/mol 0.703711 0.613411 0.50031 0.568225 0.4605 0.54434 yield of H2O on food
Y_OX mol/mol -0.833077 -0.726176 -0.592283 -0.672683 -0.545155 -0.644407 yield of O2 on food
Y_NX mol/mol 0.151469 0.132032 0.107688 0.122306 0.099119 0.117165 yield of N-waste on food
mu_TX J/mol 422064 367718 298495 339377 273260 324067 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