Delphinus delphis: Population traits

at T = 37 °C with background hazards for embryo, baby, 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 stx f_minf f_max date: 2025/05/19
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.921703 0.936888 0.968444 0.968444 1 1 scaled functional response
r 1/d 0 0 0.000422567 0.000128811 0.000563394 0.000205927 spec pop growth rate
t2 d NaN NaN 1640.33 5381.13 1230.31 3365.99 population doubling time
a_b d 305.906 305.906 305.906 305.906 305.906 305.906 age at birth
t_x d 4858.93 3378.38 2514.92 2514.92 2119.21 2119.21 time since birth at weaning
t_p d 181.153 177.838 171.555 171.555 165.972 165.972 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_x - 0.999999 0.546796 0.999999 0.536299 0.999999 0.5265 survival probability at weaning
S_p - 0.997995 0.188825 0.999836 0.188684 0.999907 0.188512 survival probability at puberty
theta_0b - 0.0230593 0.101899 0.122244 0.18202 0.158724 0.230802 frac of ind that is embryo
theta_bx - 0.0230536 0.074199 0.107396 0.126434 0.133566 0.155334 fraction of individuals that is baby
theta_xp - 0.342976 0.261594 0.472247 0.296459 0.454456 0.294175 fraction of individuals that is juvenile
theta_pi - 0.610911 0.562308 0.298112 0.395087 0.253254 0.319689 frac of ind that is adult
L_bi cm 24.9426 24.084 22.4598 22.876 21.9263 22.2504 mean structural length of post-natals
L2_bi cm^2 629.263 597.755 526.98 551.494 506.795 528.921 mean squared structural length of post-natals
L3_bi cm^3 15993.8 15120.8 12766.5 13777 12191.8 13177.5 mean cubed structural length of post-natals
Ww_bi g 85234.8 81661.2 70838.7 76445.6 69457.1 75072.5 mean wet weight of post-natals
L_pi cm 26.0677 26.4521 26.9626 27.1568 27.4317 27.7826 mean structural length of adults
L2_pi cm^2 679.525 699.724 727.153 737.619 752.972 772.275 mean squared structural length of adults
L3_pi cm^3 17713.7 18509.8 19615.2 20038.3 20681.1 21477.7 mean cubed structural length of adults
Ww_pi g 94400.6 99963.6 108841 111188 117821 122359 mean wet weight of adults
R 1/d 0.00012323 0.000591205 0.00125516 0.00147498 0.00187669 0.00228472 mean reproduction rate of adults
J_X g/d 394.978 381.383 347.551 363.718 345.13 360.197 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 0.015522 0.0048791 0.0199021 0.00753365 yield of living structure on food
Y_VX_d mol/mol 0.00346447 0.0070573 0.000224485 0.00860024 0.000104732 0.0103447 yield of dead structure on food
Y_EX mol/mol 0 0 0.0706066 0.022194 0.0934804 0.0353857 yield of living reserve on food
Y_EX_d mol/mol 0.0149985 0.0310562 0.00102113 0.0391208 0.00049193 0.048589 yield of dead reserve on food
Y_CX mol/mol 0.80675 0.788573 0.743007 0.754644 0.718397 0.729614 yield of CO2 on food
Y_HX mol/mol 0.688039 0.672537 0.633676 0.6436 0.612687 0.622253 yield of H2O on food
Y_OX mol/mol -0.948476 -0.927106 -0.873535 -0.887216 -0.844602 -0.85779 yield of O2 on food
Y_NX mol/mol 0.0654122 0.0639384 0.0602438 0.0611873 0.0582484 0.0591579 yield of N-waste on food
mu_TX J/mol 454538 444090 417882 424572 403706 410158 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