. Government figures classify over 50% of the province's land area as forest, the majority of it mixed deciduous and semi-evergreen forest, and with pockets of dry dipterocarp forest along the Sekong River valley, and pine forest in the Dakchung highlands. Most of the natural forest in Sekong has never been commercially logged. Commercial timber extraction has been expanding. There is growing pressure on Sekong to log its forests – from Vietnamese interests (where the wood furniture sector averaged 70% growth per year during 2000–2004) and from Lao companies (who face wood shortages because of dwindling stocks in lowland forests). The economic return from the forest resources of the province, as of 2003, was estimated to be in the range of US$398–$525 per household, more than agricultural income. The revenue to the state from sale of timber was estimated to be US$10.35 per
hectare. The natural forests in the province are helpful in
carbon sequestration benefits estimated to be US$124 per hectare and in watershed improvements, by way of avoiding erosion and reducing flood incidence. Corruption in Sekong province has reportedly "undermined a successful donor-funded village participatory sustainable forest management initiative."
Protected areas The
Dakchung Plateau is an
Important Bird Area (IBA). It is 5,140 ha in size, and at an elevation of . The habitat is characterized as pine woodland, grassland, degraded semi-evergreen forest, dry evergreen forest, marshy land, and tall grasses areas. Of the avifauna, the
yellow-billed nuthatch (
Sitta solangiae) is classified as near threatened, while the
black-crowned barwing (
Actinodura sodangorum) is classified as vulnerable. Other fauna include the
Oriental small-clawed otter (
Aonyx cinerea),
tiger (
Panthera tigris),
big-headed turtle (
Platysternon megacephalum), and herds of
Asian elephant (
Elephas maximus). The Xe Sap IBA is in the
Xe Xap National Biodiversity Conservation Area (NBCA); the IBA surpasses the NBCA's 1335 km2 boundaries (established in February 1996). The IBA and NBCA are part of 2 provinces, Sekong and
Salavan. The NBCA sits at an altitude of and is 1335 km2 in size; the highest peak is
Dong Be with an elevation of 2,066 m, part of the Southern
Annamite Mountains. The habitat is characterized by forests (dry evergreen, pine, semi-evergreen, and upper montane), and grassland. 2 species of
gymnosperm were recorded. Its key avifauna includes
Blyth's kingfisher (
Alcedo hercules),
Vietnamese crested argus (
Rheinardia ocellata), and yellow-billed nuthatch. Other wildlife are 2 types of
primates and 1
turtle species. ==Administrative divisions==