Rainforest over limestone

The forest over the limestone in Borneo is rich in biodiversity. The soil layer is very thin and dry most of the time However, some of the limestone hills covered by a layer of peat and humus which is as thick as 3 m. The limestone hills in Mulu National Park at 1700 m altitude are the only limestone hills support the submontane vegetation.

The tree root growing on the limestone.

The soil layer is thin and dry.

Tall trees grow at the foothill where the soil is much thicker than the soil on the summit of the limestone hill.

The tree root is exposing.

forest in limestone is rich in biodiversity.

Unknown flora.

vegetation growing on the wall of limestone.

Green forest of limestone hill.

A limestone hill.