Eusideroxylon zwageri

Taxonomy

Assessment Information

Geographic Range

Habitat and Ecology

Threats

Conservation Actions

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
PLANTAE	TRACHEOPHYTA	MAGNOLIOPSIDA	LAURALES	LAURACEAE

Scientific Name:

Eusideroxylon zwageri

Species Authority:

Teysm. & Binnend.

Common Name/s:

English	–	Billian, Borneo Ironwood
French	–	Bois De Fer

Assessment Information [top]

Red List Category & Criteria:

Vulnerable A1cd+2cd ver 2.3

Year Published:

1998

Annotations:

Needs updating

Assessor/s:

Asian Regional Workshop (Conservation & Sustainable Management of Trees, Viet Nam, August 1996)

History:

1997

–

Vulnerable (Walter and Gillett 1998)

Geographic Range [top]

Range Description:	Belian or ironwood is one of the most renowned timbers of Borneo, the decline of which was first noted in 1955. Population reduction has been noted in the following regions: Kalimantan, Sumatra, Sabah, Sarawak and the Philippines.
Countries:	Native: Brunei Darussalam; Indonesia (Jawa, Kalimantan, Sumatera); Malaysia (Sabah, Sarawak); Philippines
Range Map:	Click here to open the map viewer and explore range.

Habitat and Ecology [top]

Habitat and Ecology:	Generally a species of lowland primary forest.
Systems:	Terrestrial

Threats [top]

Major Threat(s):	Overexploitation and shifting agriculture. Sabah and Kalimantan continue to export the timber. Regeneration in logged-over forests is limited.

Major Threat(s):

Overexploitation and shifting agriculture. Sabah and Kalimantan continue to export the timber. Regeneration in logged-over forests is limited.

Conservation Actions [top]

Conservation Actions:	Indonesia has banned the export of belian and Sarawak has placed restrictions on export. So far the species is only planted on a small scale because the supply of seeds and seedlings is inadequate.

Conservation Actions:

Indonesia has banned the export of belian and Sarawak has placed restrictions on export. So far the species is only planted on a small scale because the supply of seeds and seedlings is inadequate.

Citation:	Asian Regional Workshop (Conservation & Sustainable Management of Trees, Viet Nam) 1998. Eusideroxylon zwageri. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded on 26 May 2012.
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