Kinabalu National Park
Kinabalu National Park (6°09′N 116°39′E) is a UNESCO World Heritage Site
located in Sabah, Malaysia. The park comprises two major mountains, Mt
Kinabalu (MK) and Mt. Tambuyukon (MT), which contain a wide range of
habitats from lowland tropical forest to high elevation scrub (Kitayama,
1992). At 4,095 meters above sea level (masl), MK is the tallest
mountain in the Sundaland biogeographical region. It is relatively
young, having reached its present height ca. 1 million years ago (Mya)
(Hall et al. 2009). Eighteen kilometers to the north of MK, the
less-studied MT stands at 2,579 masl (Figure 1a). MT is older - its
major uplift occurred 7–11 Mya as part of the Crocker Range (Hall et
al., 2009). Although multiple studies have focused on species richness
across elevational gradients in KNP (e.g. Camacho-Sanchez et al., 2019;
Liew, Schilthuizen, & bin Lakim, 2010; Nor, 2001), studies on
population genetic structure in this landscape are limited
(Camacho-Sanchez et al., 2018).