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Podocarpus madagascariensis

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Taxonomy [top]

Kingdom Phylum Class Order Family
PLANTAE TRACHEOPHYTA PINOPSIDA PINALES PODOCARPACEAE

Scientific Name: Podocarpus madagascariensis
Species Authority: Baker
Infra-specific Taxa Assessed:
Taxonomic Notes: Three varieties are recognized although the taxonomic status of one is uncertain. The typical variety occurs throughout most parts of the species' range while var. procerus occurs near Tolanaro [Fort Dauphin] and the Massif de Bekolosy. The other variety, var. rotundus is only known from Massif de Bekolosy and the Massif du Manongarivo. This variety is assessed as Data Deficient as its taxonomic status is uncertain: var. procerus is assessed separately as Endangered with the typical variety and the species as a whole are assessed as Near Threatened.

Assessment Information [top]

Red List Category & Criteria: Near Threatened ver 3.1
Year Published: 2013
Date Assessed: 2011-07-11
Assessor(s): Farjon, A.
Reviewer(s): Thomas, P. & Mill, R.
Justification:
The area of occupancy of this species is uncertain; it is estimated here to be in excess of 2,000 km² but locality records from herbarium specimens are likely to be incomplete. Decline due to deforestation in the lowlands and logging of the trees of this species in these forests is ongoing. On this basis this species is assessed as Near Threatened (almost qualifies for a threatened listing under criterion B2ab(iii)).
History:
1997 Rare (Walter and Gillett 1998)

Geographic Range [top]

Range Description: Endemic to Madagascar, occurring along the eastern plateaus and mountains.
Countries:
Native:
Madagascar
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: The size of the population is unknown. According to distribution data of herbarium collections this species occurs in three disjunct areas, but it is possible that the data are incomplete. Logging affects the lowland trees much more than the upland trees, which are of small stature and less desirable shape. The population is assumed to be decreasing as deforestation continues.
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: Podocarpus madagascariensis occurs in moist forests or forest remnants from level plains near sea level to forested ridges and escarpments at 2,000-2,400 m a.s.l. In the lowland forest it can attain 20-25 m and become a canopy tree with mostly evergreen tropical angiosperms; on exposed rocky ridges it is a shrub or a stunted tree occurring in sclerophyllous low forest or scrubland rich in lichens, often on relatively dry sites.
Systems: Terrestrial

Use and Trade [top]

Use and Trade: According to one of the collectors of the original material of this species, the Reverend R. Baron, its wood was "extensively used in house building, for flooring, etc." in the latter decades of the 19th century. These uses have diminished with many of the larger and more accessible trees now logged.

Threats [top]

Major Threat(s): Logging has removed many of the larger trees of this slow growing taxon. Clearance of lowland forest for expanding agriculture is also a major threat.

Conservation Actions [top]

Conservation Actions: This species occurs in at least three national forest reserves: Andringitra N.R., Zahamena N.R. and Analamazaotra N.R.

Citation: Farjon, A. 2013. Podocarpus madagascariensis. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 02 September 2014.
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