Predictions & Data for this entry

Model: std climate: MA, MB migrate: phylum:
COMPLETE = 2.0 ecozone: MIE food: biCi, biHa class:
MRE = 0.093 habitat: 0bTd, biMcp gender: Dtmf order:
SMSE = 0.022 embryo: Tt reprod: O family:

Zero-variate data

Data Observed Predicted (RE) Unit Description Reference
ah 51.23 53.04 (0.03535) d age at hatching Bent2017
ab 57.23 57.54 (0.005444) d age at birth Bent2017
ap 6935 2871 (0.5861) d age at puberty Limp2007
am 2.592e+04 2.619e+04 (0.01075) d life span Limp2007
Lh 5.461 6.579 (0.2047) cm SCL at hatching Bent2017
Lb 5.461 6.954 (0.2734) cm SCL at birth Bent2017
Lp 82.7 81.95 (0.009036) cm CCL at puberty WaayStub2016
Li 98.5 93.29 (0.05292) cm ultimate CCL WaayStub2016
Ww0 66.54 60.29 (0.0939) g wet weight of egg Bent2017
Wwh 45.42 41.63 (0.08335) g wet weight at hatching Bent2017
Wwp 6e+04 6.117e+04 (0.01944) g wet weight at puberty Limp2007
Wwi 9.48e+04 9.022e+04 (0.04833) g ultimate wet weight DBCA2019
E0 3.23e+05 4.162e+05 (0.2887) J initial energy content of the egg VenkKann2005, Wine2016, RuslBoot2016, StubMitc2019
Ri 0.2266 0.2281 (0.006474) #/d maximum reprod rate Limp2007

Uni- and bivariate data

Data Figure Independent variable Dependent variable (RE) Reference
LW_11 SCL versus weight for five hatchlings from Clutch 1 SCL wet weight (0.0404) Salm2017
LW_12 SCL versus weight for five hatchlings from Clutch 1 SCL wet weight (0.06252) Salm2017
LW_13 SCL versus weight for five hatchlings from Clutch 1 SCL wet weight (0.04245) Salm2017
LW_14 SCL versus weight for five hatchlings from Clutch 1 SCL wet weight (0.05324) Salm2017
LW_15 SCL versus weight for five hatchlings from Clutch 1 SCL wet weight (0.07378) Salm2017
LW_21 SCL wet weight (0.04766) Salm2017
LW_22 SCL wet weight (0.06078) Salm2017
LW_23 SCL wet weight (0.2034) Salm2017
LW_24 SCL wet weight (0.05275) Salm2017
LW_25 SCL wet weight (0.07336) Salm2017
LW_31 SCL wet weight (0.1275) Salm2017
LW_32 SCL wet weight (0.05154) Salm2017
LW_33 SCL wet weight (0.1027) Salm2017
LW_34 SCL wet weight (0.1038) Salm2017
LW_35 SCL wet weight (0.0498) Salm2017
LW_36 SCL wet weight (0.0635) Salm2017
LW_37 SCL wet weight (0.05762) Salm2017
LW_38 SCL wet weight (0.1057) Salm2017
LW_41 SCL wet weight (0.07244) Salm2017
LW_42 SCL wet weight (0.04941) Salm2017
LW_43 SCL wet weight (0.1017) Salm2017
LW_51 SCL wet weight (0.04725) Salm2017
LW_52 SCL wet weight (0.06164) Salm2017
LW_53 SCL wet weight (0.06264) Salm2017
LW_54 SCL wet weight (0.05145) Salm2017
LW_55 SCL wet weight (0.05093) Salm2017
LW_61 SCL wet weight (0.2394) Salm2017
LW_62 SCL wet weight (0.07108) Salm2017
LW_63 SCL wet weight (0.04812) Salm2017
LW_64 SCL wet weight (0.05036) Salm2017
LW_65 SCL wet weight (0.1077) Salm2017
LW_66 SCL wet weight (0.05366) Salm2017
tW_11 time wet weight (0.08437) Salm2017
tW_12 time wet weight (0.08575) Salm2017
tW_13 time wet weight (0.09021) Salm2017
tW_14 time wet weight (0.07047) Salm2017
tW_15 time wet weight (0.3947) Salm2017
tW_21 time wet weight (0.2605) Salm2017
tW_22 time wet weight (0.1348) Salm2017
tW_23 time wet weight (0.1271) Salm2017
tW_24 time wet weight (0.1102) Salm2017
tW_25 time wet weight (0.2832) Salm2017
tW_31 time wet weight (0.1318) Salm2017
tW_32 time wet weight (0.1302) Salm2017
tW_33 time wet weight (0.04602) Salm2017
tW_34 time wet weight (0.08153) Salm2017
tW_35 time wet weight (0.3646) Salm2017
tW_36 time wet weight (0.1333) Salm2017
tW_37 time wet weight (0.07025) Salm2017
tW_38 time wet weight (0.162) Salm2017
tW_41 time wet weight (0.181) Salm2017
tW_42 time wet weight (0.1357) Salm2017
tW_43 time wet weight (0.1236) Salm2017
tW_51 time wet weight (0.03272) Salm2017
tW_52 time wet weight (0.09891) Salm2017
tW_53 time wet weight (0.09332) Salm2017
tW_54 time wet weight (0.1384) Salm2017
tW_55 time wet weight (0.09015) Salm2017
tW_61 time wet weight (0.3543) Salm2017
tW_62 time wet weight (0.0604) Salm2017
tW_63 time wet weight (0.1016) Salm2017
tW_64 time wet weight (0.05281) Salm2017
tW_65 time wet weight (0.1264) Salm2017
tW_66 time wet weight (0.1152) Salm2017
L0Lt CCL at first capture CCL at second capture (0.006314) DBCA2019
LW_roeadlt CCL wet weight (0.04924) DBCA2019
LW_thevfem CCL wet weight (0.05555) DBCA2019
Tah incubation temperature age at hatching (0.03555) Bent2017

Pseudo-data at Tref = 20°C

Data Generalised animal Natator depressus Unit Description
v 0.02 0.1262 cm/d energy conductance
kap 0.8 0.8459 - allocation fraction to soma
kap_R 0.95 0.95 - reproduction efficiency
p_M 18 18.38 J/d.cm^3 vol-spec som maint
k_J 0.002 0.001765 1/d maturity maint rate coefficient
kap_G 0.8 0.803 - growth efficiency
k 0.75 0.7507 - maintenance ratio

Discussion

  • Data from the Eighty Mile Beach population are calculated for f=0.985 based on the ratio of the size attained by the EMB population and the size of the largest published flatback turtle record
  • We assume that the density of yolk is different than that of the density of reserve and structure. The yolk density d_Y is introduced as an extra parameter (see also StubMitc2019 and AmP entry for Chelonia mydas).
  • Arrhenius temperatue calculated from data on incubation times from Bent2017, but we excluded the data from 32 C where development rates start to decline. 3-parameter Arrhenius function describing an upper boundary for thermal tolerance has been added to capture the slower rate of change of development rate at temperatures near the peak of 34 C.
  • Pseudodata point k has been modified to k=0.75 to be in line with other sea turtle models in the collection (see StubMitc2019 and AmP entry for Chelonia mydas)
  • L_h for the captive-reared hatchlings based on their specified f, fixing t0 at 27 days (calculations exist for this, but in essence the assumption is that growth begins at the same proportion of time to hatching - about 30% - as it does for C. mydas. See StubMitc2019 for a discussion of t0
  • L0Lt data fit poorly as females grow very little after first nesting, yet the model predicts continued growth
  • Comment on the entry version: This entry is a continuation of version 2017/07/14 by the same author. Changes introduced in version 2017/11/12 (k = 0.3) were discarded - see discussion point 4. All discussion points relate to the current version.

Bibliography

Citation