Dypsis saintelucei 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Liliopsida Arecales Arecaceae

Scientific Name: Dypsis saintelucei Beentje

Assessment Information [top]

Red List Category & Criteria: Endangered B2ab(ii,iii); C2a(i) 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 from four widely separated areas (locations) in southeast Madagascar (Ampasimanolotra, Vondrozo, Tsitongambarika and Sainte Luce). The area of occupancy is estimated to be 210 km². As the deforestation rate is high, there is a continuing decline in the area of occupancy, number of mature individuals as well as the extent and quality of habitat for this species. The population is estimated to comprise about 300 plants, with none of the subpopulations containing more than 250 plants. The species thus qualifies for an Endangered listing.
Previously published Red List assessments:

Geographic Range [top]

Range Description:Endemic to the southeast of Madagascar, known from three fragmented locations: Sainte Luce, Vondrozo and Vohibola (Ampasimanolotra).
Countries occurrence:
Additional data:
Estimated area of occupancy (AOO) - km2:210Continuing decline in area of occupancy (AOO):Yes
Estimated extent of occurrence (EOO) - km2:22453
Number of Locations:4
Lower elevation limit (metres):10
Upper elevation limit (metres):700
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:This species is locally quite abundant in its occurrence site; about 300 individuals are estimated for the four known sites.
Current Population Trend:Decreasing
Additional data:
Number of mature individuals:300Continuing decline of mature individuals:Yes
Population severely fragmented:Yes

Habitat and Ecology [top]

Habitat and Ecology:Occurs in coastal or lowland rainforest in the southeast of Madagascar. The species grows on flat and frequently flooded terrain where the substrate is mainly composed of white sands. Recorded from elevations ranging between 10 and 700 m.
Continuing decline in area, extent and/or quality of habitat:Yes

Use and Trade [top]

Use and Trade: Plants are felled and used for making fish traps.

Threats [top]

Major Threat(s): The main threat at Sainte Luce has been felling of the plants for material to construct lobster traps to supply the local hotels. The habitat is within the targeted sites of ilmenite exploitation in the Fort-Dauphin area. In Vondrozo, the forest is threatened by deforestation for expanding agriculture and logging.

Conservation Actions [top]

Conservation Actions: The species is not known to occur in any protected areas. The protected area network needs expansion to include this species.

Citation: Rakotoarinivo, M. & Dransfield, J. 2012. Dypsis saintelucei. The IUCN Red List of Threatened Species 2012: e.T38562A2879456. . Downloaded on 25 September 2018.
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