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Vatica cinerea 

Scope: Global
Language: English
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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Magnoliopsida Theales Dipterocarpaceae

Scientific Name: Vatica cinerea King
Taxonomic Notes: Vatica cinerea requires further taxonomic verification. It may be placed as a subspecies within the Vatica odorata complex (Pooma 2002) however this complex is still only tentatively described. Vatica cinerea is here assessed as its own species as has been done for the other species tentatively placed in the proposed Vatica odorata complex.

Assessment Information [top]

Red List Category & Criteria: Data Deficient ver 3.1
Year Published: 2017
Date Assessed: 2017-03-14
Assessor(s): Newman, M. & Barstow, M.
Reviewer(s): Chua, L.S.L.
Facilitator/Compiler(s): Rivers, M.C.
Justification:
Vatica cinerea is a subcanopy tree species. It is native to Myanmar, Malaysia, Thailand, Lao PDR and Cambodia. The population size and trend of the species is unknown. The species is globally assessed as Data Deficient. The species is found in protected areas but is only present in one ex situ collection, more ex situ collections need to be made. The species is threatened by habitat loss in some of its range due to conversion to agriculture, the rate of this should be monitored and remaining habitat protected. Further investigation into population size, decline and harvest is required. Taxonomic verification of the species is also required as some taxonomists consider this a synonym for Vatica harmandiana.
Previously published Red List assessments:

Geographic Range [top]

Range Description:This species is native to Indochina. It occurs within Cambodia, Lao PDR, Myanmar, Viet Nam, Thailand and also from Peninsular Malaysia. The species is found up to 700 m asl (Chua et al. 2010) and it has extent of occurrence (EOO) of over 1 million km2.
Countries occurrence:
Native:
Cambodia; Lao People's Democratic Republic; Malaysia (Peninsular Malaysia); Myanmar (Myanmar (mainland)); Thailand; Viet Nam
Additional data:
Upper elevation limit (metres):700
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:This species has a scattered distribution. Within dry evergreen forests of Thailand it is a dominant subcanopy species (Bunyavechewin et al. 2003). The species is found within areas which have experienced a high level of deforestation and forest cover loss over the last 14 years (WRI 2017) it is therefore likely that population is in decline but this requires confirmation. Sporadic disturbance has been observed within Malaysia (Chua pers. comm. 2017).
Current Population Trend:Unknown
Additional data:

Habitat and Ecology [top]

Habitat and Ecology:This large tree species can grow up to 20 m high; it is predominantly a subcanopy tree. This is a lowland species common to dry, mixed dipterocarp forests (Ghazoul et al. 2016, Bunyavechewin et al. 2003). Within Malaysia the species is found on exposed ridges and rocky headlands (Chua et al. 2010). It can also be found in limestone geologies where it occurs in deep soil pockets in gullies or holes in the limestone (Ghazoul et al. 2016). The species shows good regeneration within gaps in the canopy, hence often the species can be found in clumps (Bunyavechewin et al. 2003). It is reported to thrive within exposed areas and adapts readily to unfavorable habitats (Chua et al. 2010). The species habitat, outside of Malaysia, is currently in decline due to conversion to agricultural and likely urban spaces.
Systems:Terrestrial
Continuing decline in area, extent and/or quality of habitat:Yes

Use and Trade [top]

Use and Trade: It may be used for firewood. This species is not often used as a timber tree because it is small. However, within Malaysia the species has been identified as a priority timber species (Lee et al. 2017). The bark is used in Viet Nam to inhibit fermentation. Within Lao PDR the species is found in plantations (Phongoudome et al. 2003).

Threats [top]

Major Threat(s): The species is threatened by habitat loss due to expanding developments and agricultural expansion, including for palm oil, within the species natural habitat. The species is potentially at risk from overexploitation for timber and fuelwood but this is not reported.

Conservation Actions [top]

Conservation Actions: This species is reported from one ex situ collection (BGCI 2017). Further ex situ collections of this species should be made. The species is found in protected areas, in Viet Nam the majority of this species is found within protected area. Within Malaysia the species is assessed as Near Threatened. Taxonomic investigation is required to confirm if the species is a synonym for Vatica harmandiana or not. Further information needs to be gathered on the species population size and decline. The use of the species as fuelwood should be monitored and alternative fuel sources investigated. It is recommended that remaining habitat decline is monitored and that some areas are brought under protection.

Citation: Newman, M. & Barstow, M. 2017. Vatica cinerea. The IUCN Red List of Threatened Species 2017: e.T33168A2833905. . Downloaded on 11 December 2017.
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