Dypsis ifanadianae 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Liliopsida Arecales Arecaceae

Scientific Name: Dypsis ifanadianae Beentje

Assessment Information [top]

Red List Category & Criteria: Critically Endangered B1ab(iii)+2ab(iii); D ver 3.1
Year Published: 2012
Date Assessed: 2010-12-17
Assessor(s): Rakotoarinivo, M. & Dransfield, J.
Reviewer(s): Baker, W.J., Beentje, H.J. & Bachman, S.
Known to occur only around Ifanadiana where there are estimated to be fewer than 50 mature individuals and almost all of them are found in a disturbed area along the main road. The extent of occurrence is only 25 km² and the area of occupancy is only 6 km² and the area is considered a single location. There is continuing decline due to loss of habitat through clearance by people and the seed of the species is collected for the horticultural trade which impacts on its regeneration. The species therefore qualifies for listing as Critically Endangered.
Previously published Red List assessments:

Geographic Range [top]

Range Description:Endemic to Madagascar. Known only from an area near Ifanadiana, in the southeast.
Countries occurrence:
Additional data:
Estimated area of occupancy (AOO) - km2:6
Number of Locations:1
Lower elevation limit (metres):200
Upper elevation limit (metres):500
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:Fewer than 50 individuals are known in total.
Current Population Trend:Unknown
Additional data:
Number of mature individuals:1-50
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:Occurs in lowland rainforest, growing mainly on steep slopes between 200 and 500 m elevation.
Continuing decline in area, extent and/or quality of habitat:Yes

Use and Trade [top]

Use and Trade: Seeds of this species are harvested for the horticultural trade.

Threats [top]

Major Threat(s): The main threat is habitat loss by extensive deforestation through expanding shifting agriculture and logging. Seeds on remaining mature trees are frequently harvested for the horticultural trade.

Conservation Actions [top]

Conservation Actions: The species is not known to occur in any protected area. Urgent action is required to safeguard the future of this species in the wild.

Citation: Rakotoarinivo, M. & Dransfield, J. 2012. Dypsis ifanadianae. The IUCN Red List of Threatened Species 2012: e.T38538A2874169. . Downloaded on 21 June 2018.
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