Fig 1.
Annual exports of reticulated python skins from Indonesia between 1995 and 2015.
From 1995 to 2000 the annual export quota ranged between 138,600 and 189,000 skins, but was lowered to 157,500 since 2001. Note that annual export quotas are 10% lower than annual harvest quotas, with the remaining 10% being allocated to domestic trade. Source: Indonesian CITES Management Authority and UNEP-WCMC CITES Trade Database.
Table 1.
Numbers and body sizes of reticulated pythons examined at the same facilities in Sumatra, Indonesia, in 1995 and 2015.
Body sizes are calculated for the total sample from all facilities visited in both survey periods, whereas numbers of snakes represent only those recorded from the facilities that were visited during both the survey periods.
Fig 2.
Comparison of body size distributions of male (hollow columns) and female (hatched columns) reticulated pythons harvested for trade in northern and southern Sumatra, Indonesia, in 1995 and 2015.
Fig 3.
Proportion of mature (PM) reticulated pythons by 10 cm length classes harvested for trade in northern and southern Sumatra, Indonesia, in 1995 and 2015.
Table 2.
Predicted snout-vent lengths (SVL) at which 50% of female reticulated python are sexually reproductive at two sites in Sumatra, Indonesia, based on surveys conducted 20 years apart.
Fig 4.
Relationship between body sizes and clutch sizes of female reticulated pythons from Sumatra, Indonesia, in 1995 and 2015.
Data from northern and southern Sumatra have been pooled.
Fig 5.
Minimum sample sizes of reticulated pythons (Python reticulatus) needed to detect effect sizes (changes) of various magnitudes with sufficient statistical power (> 0.8).
Smaller effect sizes require much larger sample sizes.