Taxonomy

endemique
UICN

Red List Status -

Near Threatened (NT) , assessed in 09/09/2017

Styphelia balansae is a shrub endemic to New Caledonia, restricted to some mining massifs in the south and center of Grande Terre. S. balansae is found in dense undergrowth forest on soils derived from ultramafic and volcano-sedimentary substrate between 500 and 1,070 m asl. Its area of occupancy (AOO) and extent of occurrence (EOO) are respectively estimated to 56 and 3,007 km². Mining activities could be the main threat, but this species does not seem directly threatened because of its altitudinal habitat. Therefore, S. balansae is listed Near Threatened (NT) close to VU B1ab(i,ii,iii,iv,v)+2ab(i,ii,iii,iv,v).

Geographical area


S. balansae is endemic to New Caledonia, where it is restricted to some mining massifs in the south (Wadjana, Montagne des Sources, Mt Dzumac and Kouakoué) and the center (Kouaoua, Mé Mayoa and Kopéto) of Grande Terre.

Population


Population size is unknown, but field observations indicate that this species is not very common.

Habitat


S. balansae occurs in dense forest undergrowth on soils derived from ultramafic and volcano-sedimentary substrate from 500 to 1,070 m asl.

Threats


The main impact is habitat degradation due to actual mining activities at Goro (Vale) and Kouaoua (SLN) and potential future minig activities at Paéoua. However, this species does not seem directly threatened because of its altitudinal habitat.

Conservation


S. balansae is not protected by any legislation in New Caledonia but it occurs in five protected areas: Haute Dumbéa, la Dumbéa, Massif du Kouakoué, Montagne des Sources, Pic du grand Kaori. This species should be collected more, and genetic studies are suggested in order to facilitate species identification within this genus.

Bibliography


Virot, R. 1975. Flore de la Nouvelle-Calédonie et dépendances. Volume 6 : Epacridacées.

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.

Munzinger J., Morat Ph., Jaffré T., Gâteblé G., Pillon Y., Tronchet F., Veillon J.-M. and M. Chalopin 2016. FLORICAL: Checklist of the vascular indigenous flora of New Caledonia. vers. 22.IV.2016.

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

Experts


Assessor(s): Gâteblé, G., Barrabé, L., Fleurot, D., Amice, R., Cazé, H., Bruy, D., Hequet, V., Vandrot, H., Butin, J., Mandaoué, L., Haverkamp, C., Dumontet, V., Laudereau, C.

Reviewer(s): Meyer, S.

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


Geographical distribution