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Dypsis coursii 

Scope: Global
Language: English
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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Liliopsida Arecales Arecaceae

Scientific Name: Dypsis coursii Beentje

Assessment Information [top]

Red List Category & Criteria: Least Concern 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:
Although this species appears to have a very small population (probably an underestimate) and the extent of occurrence (3,737 km²) and area of occupancy (256 km²) are all small, all of the known sites are in protected areas where the location is remote and access is difficult as well as regulated. Hence this species is listed as Least Concern.
Previously published Red List assessments:

Geographic Range [top]

Range Description:Endemic to northern Madagascar where this species appears to be confined to Makira and Marojejy. Occurs at high elevations from 900 up to 1,800 m.
Countries occurrence:
Native:
Madagascar
Additional data:
Estimated area of occupancy (AOO) - km2:256
Number of Locations:3
Lower elevation limit (metres):900
Upper elevation limit (metres):1800
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:About 40 individuals are estimated to occur in Makira and Marojejy, but this is likely to be a significant underestimate of the population size.
Current Population Trend:Unknown
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:Grows in montane forest or scrub where cloud cover is more or less permanent  Individuals are rare and found only on high steep slopes or ridge tops.
Systems:Terrestrial

Threats [top]

Major Threat(s): There are unlikely to be any major threats at the elevations where this species grows within the protected areas where it occurs.

Conservation Actions [top]

Conservation Actions: Has a small population but the known sites are in protected areas where location is remote and access is difficult.

Citation: Rakotoarinivo, M. & Dransfield, J. 2012. Dypsis coursii. The IUCN Red List of Threatened Species 2012: e.T38529A2872633. . Downloaded on 21 September 2018.
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