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Table 1 Post-reproductive representation (PrR) of Myanmar timber elephants

From: Asian elephants exhibit post-reproductive lifespans

Origin

Modification

Age B

Age M

e B

e M

PrR

p

CB & WC

Base

17

55

25

5

0.162

< 0.001

lx − 1

17

55

25

5

0.159

< 0.001

lx − 5

17

55

25

5

0.148

< 0.001

CB

Base

17

50

20

7

0.207

< 0.001

lx − 1

17

50

20

7

0.205

< 0.001

lx − 5

17

50

20

7

0.192

< 0.001

  1. PrR is a measure of the proportion of adult female years lived post-reproductively. CB refers to captive-born elephants, WC to wild-caught. Ages B and M are the ages at 5 and 95% population fecundity, respectively, whilst eB and eM are the expected female lifespan at ages B and M (rounded to the nearest whole number)