Taxonomy

Syzygium acre (Pancher ex Guillaumin) J.W.Dawson
endemique
protegee
UICN

Synonyms

Jambosa acris Pancher ex Guillaumin

Red List Status -

Endangered (EN) , assessed in 26/01/2018

Protected species -

in Northern Province

Syzygium acre is an endemic shrub or small tree from New Caledonia restricted in the Massif du Sud in the south of Grande Terre. It is know from four subpopulations: Vallée Thy, Route de Yaté : Les Dalmates, Bon Secours and rivière Blanche. It occurs in dense humid forest on ultramafic rocks between 5 and 450 m asl. Known from four localities, its extent of occurrence (EOO) and area of occupancy (AOO) are 81 and 24 km², respectively. The population size is unknown. The main threats identified are bushfires and feral pigs (Sus scrofa) causing a degradation of its habitat quality. Therefore, S. acre is listed as Endangered (EN) under criteria B1ab(iii,v)+B2ab(iii,v).

Geographical area


S. acre is endemic of New Caledonia, where it is restricted in the Massif du Sud in the south of Grande Terre. It is know from four subpopulations: Vallée Thy, Les Dalmates, Bon Secours and Rivière Blanche

Population


Population size is unknown.

Habitat


S. acre occurs in dense humid forest on ultramafic rocks between 5 and 450 m asl.

Threats


The main threats identified are bushfires, feral pigs (Sus scrofa) causing a degradation of its habitat quality.

Conservation


This species is not protected by legislation in New Caledonia and it does occur in three protected areas: Rivière bleue, Haute Yaté and Vallée de la Thy. This species should be included in the regional legislation for a better protection of the species. This species is cultivated at the IAC (Institut Agronomique de Nouvelle-Calédonie) nursery of Saint-Louis and in an increasing number of private gardens in Nouméa. This species is also used in landscaping areas. It is essential to continue to raise awarness amongs the local population and the local authority responsible for the coordination of the firefighting effort should be informed about the presence of the species in the concerned areas.

Bibliography


Morat, P.; Jaffré, T.; Tronchet, F.; Munzinger, J.; Pillon, Y.; Veillon, J.-M. and Chalopin, M. 2012. Le référentiel taxonomique Florical et les caractéristiques de la flore vasculaire indigène de la Nouvelle-Calédonie [The taxonomic database « FLORICAL » and characteristics of the indigenous flora of New Caledonia]. Adansonia sér 3(34) , p.177-219.

Endemia.nc 2016. Faune et Flore de Nouvelle-Calédonie.

Dawson J.W. 1999. Flore de la Nouvelle-Calédonie et dépendances. Volume 23 : Myrtaceae Myrtoideae 1 : Syzygium.

Experts


Assessor(s): Héquet, V., Vandrot, H., Barrabé, L., Amice, R., Butin, J., Cazé, H., Fleurot, D., Suprin, B., Chambrey, C., Laudereau, C., Haverkamp, C., Fogliani, B.

Reviewer(s): Gâteblé, G.

Facilitator(s): Warimavute, G., Tanguy, V., Meyer, S.


Geographical distribution