Hydriastele biakensis
W.J.Baker & Heatubun
Pays · région · aire protégée · écorégion · biome
Graphe en cours d’indexation
Calcul du tissu écologique de Hydriastele biakensis.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 5s).
Liste rouge IUCN
EN · En dangercritères B1ab(i,ii,iii,iv,v)+2ab(i,ii,iii,iv,v); C2a(i)↘Décroissante- Évaluation
- 2019 · v3.1
- Altitude
- 0 – 0 m
- Profondeur
- – m
État de la populationTexte officiel évaluation IUCNExpert
This species has been observed as a few scattered individuals in cleared areas on the south coast of Biak Island. Large populations have been observed on the west coast and nearby Padaido Islands.
Menaces identifiées(2 menaces classées CMP-IUCN)
2_1_2Small-holder farmingOngoing5_3_5Motivation Unknown/UnrecordedOngoing
Description complète des menacesTexte détaillé évaluation IUCNExpert
This species is known only from coastal limestone forest which is severely degraded on Biak, especially on the south coast. Deforestation driven by logging and clearing for agriculture is the main threat to this species (Heatubun and Baker pers. comm. 2019).
Habitats préférentiels (classification IUCN)
1_6Forest - Subtropical/Tropical Moist Lowland6Rocky areas (eg. inland cliffs, mountain peaks)
Mesures de conservation recommandéesStratégies de conservation IUCNExpert
This species is not known to occur in any protected areas and there are no ex situ collections. Protection of the sites where this species is known to occur and of its coastal forest habitat are important actions for its future conservation.
Actions de conservation (2)Conservation Actions Classification Scheme — IUCNExpert
1_1Site/area protection1_2Resource & habitat protection
Stress écologiques (8)Stresses Classification — IUCNExpert
1_1Ecosystem conversion1_1Ecosystem conversion1_2Ecosystem degradation1_2Ecosystem degradation2_1Species mortality2_1Species mortality2_2Species disturbance2_2Species disturbance
Usage & commerce (2)Use & Trade — IUCNExpert
11Other household goods9Construction or structural materials
Niche IUCN globaleRealms · Systems · LMEs · Growth forms · FAOs — biogéographie IUCNExpert
Royaumes biogéographiques
Australasian
Systèmes (terrestre/eau douce/marin)
Terrestrial
Formes de croissance
Tree - largeTree - small
Références bibliographiques (5)Sources scientifiques de l'évaluation IUCNExpert
- IUCN. 2019. The IUCN Red List of Threatened Species. Version 2019-3. Available at: <a href="www.iucnredlist.org">www.iucnredlist.org</a>. (Accessed: 10 December 2019).
- BGCI (Botanic Gardens Conservation International). 2018. PlantSearch online database. Richmond, UK Available at: <a href="www.bgci.org/plant_search.php">www.bgci.org/plant_search.php</a>. (Accessed: 2018).
- Petoe, P., Heatubun, C.D. and Baker, W.J. 2018. A monograph of <i>Hydriastele</i> (Areceae, Arecaceae) in New Guinea and Australia. <i>Phytotaxa</i> 370(1): 1-92.
- Baker, W.J. and Heatubun, C.D. 2012. New Palms from Biak and Supiori, Western New Guinea. <i>Palms</i> 56(3): 131-150.
- Bachman, S., Moat, J., Hill, A.W., de la Torre, J. and Scott, B. 2011. Supporting Red List threat assessments with GeoCAT: geospatial conservation assessment tool. In: V. Smith and L. Penev (eds) e-Infrastructures for data publishing in biodiversity science. <i>Zookeys</i> 150: 117–126.
Évaluateurs & contributeurs (5)Personnes ayant contribué à l'évaluation IUCNExpert
assessor
Baker, W.J. & Heatubun, C.D.
contributor
Barker, A.
evaluator
Dransfield, J.
facilitators
Hargreaves, S.
institutions
Royal Botanic Gardens, Kew
Baker, W.J. & Heatubun, C.D. 2019. Hydriastele biakensis. The IUCN Red List of Threatened Species 2019: e.T151356817A151358575. Accessed on 05 May 2026.
Distribution mondiale
Calcul de la distribution GBIF· ~10–60 s
Phénologie
Calcul du calendrier d'apparition· ~5–30 s