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Soulamea terminalioides

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Taxonomy [top]

Kingdom Phylum Class Order Family
PLANTAE TRACHEOPHYTA MAGNOLIOPSIDA SAPINDALES SIMAROUBACEAE

Scientific Name: Soulamea terminalioides
Species Authority: Baker
Taxonomic Notes: In the majority of classification systems of flowering plants the family of the Simaroubaceae belong to the order of the Rutales. In the Cronquist system of classification the Simaroubaceae belong to the order of the Sapindales (Brummitt 1992).

Assessment Information [top]

Red List Category & Criteria: Vulnerable D2 ver 3.1
Year Published: 2011
Date Assessed: 2007-02-01
Assessor(s): Ismail, S., Huber, M.J. & Mougal, J.
Reviewer(s): Gibbs, D. & Lutz, M.L.
Justification:
Soulamea terminalioides has a very restricted range as it occurs only on two islands (Mahé and Silhouette) in the Seychelles. The area of suitable habitat is restricted to rocky outcrops, which are a small fraction of the total island areas. The species does not seem to be obviously threatened except by its restricted range and its limited dispersal. It seems to regenerate successfully in its habitat and is locally abundant. It is however rare on Silhouette. This species is listed as Vulnerable due to its restricted geographic range.
History:
1998 Vulnerable (Oldfield et al. 1998)
1998 Vulnerable
1997 Indeterminate (Walter and Gillett 1998)

Geographic Range [top]

Range Description: Endemic to Seychelles, this species is found on Mahé and Silhouette.
Countries:
Native:
Seychelles (Seychelles (main island group))
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: There is no data to make adequate estimates of the population size. The species is locally abundant. It is possible, that the total population size is less than 10,000 mature individuals.
It is locally abundant on Mahé, but the subpopulations are scattered. On Silhouette, it is apparently very rare and only two sites are known (J. Gerlach pers. comm. 2006).
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: Frequently found at the edge of exposed rocky outcrops and at open rocky sites in forest, between 100 and 500 m altitude. The species is wind dispersed (Carlström 1996). The size and shape of the seeds allow only short distance dispersal. This leads to fragmentation and hinders recolonisation.
Systems: Terrestrial

Threats [top]

Major Threat(s): The species seems to be confined to rocky areas, which are not as invaded as other habitat types. It may therefore suffer less from invasive species than other endemics (Carlström 1996, Fleischmann 1997).

Conservation Actions [top]

Conservation Actions: The species is present in the Morne Seychellois National Park.

Citation: Ismail, S., Huber, M.J. & Mougal, J. 2011. Soulamea terminalioides. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 16 September 2014.
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