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Actinokentia huerlimannii 

Scope: Global
Language: English
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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Liliopsida Arecales Arecaceae

Scientific Name: Actinokentia huerlimannii H.E.Moore
Taxonomic Source(s): Pintaud, J.-C. and Baker, W.J. 2008. A revision of the palm genera (Arecaceae) of New Caledonia. Kew Bulletin 63(1): 61-73. doi: 10.1007/s12225-007-9009-3.

Assessment Information [top]

Red List Category & Criteria: Endangered B1ab(iii)+2ab(iii) ver 3.1
Year Published: 2017
Date Assessed: 2016-09-30
Assessor(s): Amice, R., Canel, J., Ugolini, D., Butin, J., Fleurot, D., Garnier, D., Goxe, J., Henry, B., Lespes, A., Letocart, D., Letocart, I., Mercier, B., Tiavouane, J., Veillon, J.-M. & Warimavute, G.
Reviewer(s): Tanguy, V. & Hodel, D.R.
Facilitator/Compiler(s): Warimavute, G., Maura, J., Tanguy, V.
Justification:
Actinokentia huerlimannii is a solitary slender, subcanopy to emergent, endemic tree palm restricted to a limited area in the southeast of Grande Terre in New Caledonia, from Mt Nékando to Mois de Mai. It is found in dense humid forest or shrubby, ridge forest on ultramafic substrate at an altitudinal range 800-850 m asl. Field surveys indicate isolated populations without regeneration. Main identified threats are linked to habitat damage by wild pigs and seed predation by rats. Its area of occurrence (EOO) and area of occupancy (AOO) are respectively 168 km² and 16 km² while the number of locations is estimated to be four. A continuing decline has been estimated concerning habitat quality and therefore A. huerlimannii is considered Endangered (EN) under criteria B1ab(iii)+2ab(iii).
Previously published Red List assessments:

Geographic Range [top]

Range Description:Actinokentia huerlimannii is an endemic palm tree of New Caledonia, restricted in a limited area in the southeast of Grande-Terre in New Caledonia (Mont Nékando, Kouakoué, Mont Ouin et Mois de Mai (west side)
Countries occurrence:
Native:
New Caledonia
Additional data:
Estimated area of occupancy (AOO) - km2:16Continuing decline in area of occupancy (AOO):Unknown
Extreme fluctuations in area of occupancy (AOO):NoEstimated extent of occurrence (EOO) - km2:168
Continuing decline in extent of occurrence (EOO):UnknownExtreme fluctuations in extent of occurrence (EOO):No
Number of Locations:4Continuing decline in number of locations:Unknown
Extreme fluctuations in the number of locations:NoLower elevation limit (metres):800
Upper elevation limit (metres):850
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:The population size is unknown but field surveys indicate the presence of isolated subpopulations (around five or six mature individulas at La Haute Ni) with no regeneration. The number of subpopulations is estimated to be four.
Current Population Trend:Decreasing
Additional data:
Continuing decline of mature individuals:Unknown
Extreme fluctuations:No
No. of subpopulations:4
Extreme fluctuations in subpopulations:No

Habitat and Ecology [top]

Habitat and Ecology:Actnokentia huerlimannii is found in dense humid forest or shrubby, ridge forest on soils derived from ultramafic rocks at an altitudinal range 800-850 m asl.
Systems:Terrestrial
Continuing decline in area, extent and/or quality of habitat:Yes

Use and Trade [top]

Use and Trade: Seeds are collected for sale to the international horticultural trade.

Threats [top]

Major Threat(s): Main identified threats are linked to habitat damage by wild pigs, consumption and destruction of seeds by rats.

Conservation Actions [top]

Conservation Actions: Actinokentia huerlimannii is protected by legislation in Province Nord and Province Sud and it occurs in three protected areas: Parc de la Rivière Bleue, Massif du Kouakoué, Mont Humboldt. Prospection at Mont Nekando, Haute Ni and Mois de Mai and listing of the species in the Convention on International Trade in Endangered Species (CITES) are recommended. This species would benefit from ex situ and in situ emergency conservation actions. It would be moreover advised to ensure the follow-up of the known populations and to control invasive species.

Citation: Amice, R., Canel, J., Ugolini, D., Butin, J., Fleurot, D., Garnier, D., Goxe, J., Henry, B., Lespes, A., Letocart, D., Letocart, I., Mercier, B., Tiavouane, J., Veillon, J.-M. & Warimavute, G. 2017. Actinokentia huerlimannii. The IUCN Red List of Threatened Species 2017: e.T39022A115774112. . Downloaded on 25 February 2018.
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