Historically, the sanctuary area has been inhabited by ethnic Por (or Pear), the namesake of the broader term Pearic people.

In Cambodia, ethnic groups living in the highlands of the country are all referred to as Khmer Loeu.

[4][5] The sanctuary is notable for its large diversity of habitats, including several types of forests.

The interior of the sanctuary is largely unexplored by scientists, but small-scale surveys suggests that many rare, unique and even endemic species are present.

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