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Dypsis oropedionis 

Scope: Global
Language: English
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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Liliopsida Arecales Arecaceae

Scientific Name: Dypsis oropedionis Beentje

Assessment Information [top]

Red List Category & Criteria: Critically Endangered C2a(i); 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.
Justification:
Known from two severely fragmented areas in the centre of Madagascar. Fewer than 40 mature trees are estimated to exist in the wild. There is continuing decline due to various threats hence the species qualifies for listing as Critically Endangered. If the population is found to be much larger, it would probably qualify as Endangered under the restricted range criteria. This species is in need of conservation attention given the small size of the population and the increasing threats to the remaining habitat, none of which is currently protected.
Previously published Red List assessments:

Geographic Range [top]

Range Description:Endemic to the central plateau of Madagascar, occurring in the highlands of Ankazobe and Tsiroanomandidy.
Countries occurrence:
Native:
Madagascar
Additional data:
Estimated area of occupancy (AOO) - km2:120
Number of Locations:2
Lower elevation limit (metres):900
Upper elevation limit (metres):1500
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:Fewer than 40 mature trees are estimated to exist in the two known sites.
Current Population Trend:Decreasing
Additional data:
Number of mature individuals:39Continuing decline of mature individuals:Yes
Population severely fragmented:Yes

Habitat and Ecology [top]

Habitat and Ecology:Occurs in central plateau forest, growing on steep slopes or valley bottom peat swamps on the western slopes of the highlands. Recorded from 900 to 1,500 m.
Systems:Terrestrial
Continuing decline in area, extent and/or quality of habitat:Yes

Use and Trade [top]

Use and Trade: There is no information on use of the species.

Threats [top]

Major Threat(s): The threats to the species include habitat loss through expanding agricultural activities, logging and the increased freqeancy of fires.

Conservation Actions [top]

Conservation Actions: The species is not known to occur in any protected areas. Efforts are required to secure some of the forests where it occurs. Monitoring of the species is required because the population is so small.

Citation: Rakotoarinivo, M. & Dransfield, J. 2012. Dypsis oropedionis. The IUCN Red List of Threatened Species 2012: e.T38552A2877850. . Downloaded on 19 August 2018.
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