Cycas silvestris
K.D.Hill
Pays · région · aire protégée · écorégion · biome
Graphe en cours d’indexation
Calcul du tissu écologique de Cycas silvestris.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 5s).
Liste rouge IUCN
NT · Quasi menacéecritères B1a; D2→Stable- Évaluation
- 2023 · v3.1
- Altitude
- – m
- Profondeur
- – m
État de la populationTexte officiel évaluation IUCNExpert
The species is locally common, with between 2,500 and 10,000 mature individuals.
Menaces identifiées(2 menaces classées CMP-IUCN)
5_2_1Intentional use (species is the target)UnknownUnknownUnknown7_1_1Increase in fire frequency/intensityUnknownUnknownFuture
Description complète des menacesTexte détaillé évaluation IUCNExpert
Some illegal removal of plants from the wild has been noted in the past although the scale of removal has not been quantified. Inappropriate fire regimes may also pose a threat to this species.
Habitats préférentiels (classification IUCN)
13_3Marine Coastal/Supratidal - Coastal Sand Dunes1_5Forest - Subtropical/Tropical Dry2_1Savanna - Dry
Mesures de conservation recommandéesStratégies de conservation IUCNExpert
This species is listed in Appendix II of the CITES Appendices. An education and awareness programme as well as the long-term monitoring of subpopulations will support the conservation of this species.
Actions de conservation (2)Conservation Actions Classification Scheme — IUCNExpert
1_1Site/area protection4_3Awareness & communications
Stress écologiques (5)Stresses Classification — IUCNExpert
1_3Indirect ecosystem effects2_2Species disturbance2_3_6Skewed sex ratios2_3_7Reduced reproductive success2_3_7Reduced reproductive success
Usage & commerce (1)Use & Trade — IUCNExpert
13Pets/display animals, horticultureinternationalnational
Priorités de recherche (3)Research Needed Classification — IUCNExpert
1_2Population size, distribution & trends1_5Threats1_6Actions
Niche IUCN globaleRealms · Systems · LMEs · Growth forms · FAOs — biogéographie IUCNExpert
Royaumes biogéographiques
Australasian
Systèmes (terrestre/eau douce/marin)
Terrestrial
Formes de croissance
CycadTree - large
Références bibliographiques (9)Sources scientifiques de l'évaluation IUCNExpert
- IUCN. 2023. The IUCN Red List of Threatened Species. Version 2023-1. Available at: <a href="www.iucnredlist.org">www.iucnredlist.org</a>. (Accessed: 07 December 2023).
- Atlas of Living Australia. 2020. Atlas of Living Australia. Available at: <a href="http://www.ala.org.au">http://www.ala.org.au</a>.
- Commonwealth of Australia. 2013. Flora of Australia Online. Available at: <a href="http://www.anbg.gov.au/abrs/online-resources/flora/main-query-styles.html">http://www.anbg.gov.au/abrs/online-resources/flora/main-query-styles.html</a>.
- Madulid, D.A. and Agoo, E.M.G. 2009. Taxonomy and conservation of Philippine cycads. <i>Blumea</i> 54: 99-102.
- Donaldson, J.S. (ed.). 2003. <i>Cycads. Status Survey and Conservation Action Plan</i>. IUCN/SSC Cycad Specialist Group. IUCN, Gland, Switzerland and Cambridge, UK.
- Whitelock, L.M. 2002. <i>The Cycads</i>. Timber Press, Portland, Oregon.
- Jones, D.L. 2002. <i>Cycads of the World (2nd edition)</i>. Smithsonian Institute Press, Washington, DC.
- Hill, K. and Osborne, R. 2001. <i>Cycads of Australia</i>.
- Hill, K.D. and Stevenson, D.W. 1998-2006. The Cycad Pages. Available at: <a href="http://plantnet.rbgsyd.gov.au/PlantNet/cycad/">http://plantnet.rbgsyd.gov.au/PlantNet/cycad/</a>.
Évaluateurs & contributeurs (3)Personnes ayant contribué à l'évaluation IUCNExpert
assessor
Bösenberg, J.D.
contributor
Hill, K.D.
evaluator
Donaldson, J.S.
Bösenberg, J.D. 2023. Cycas silvestris. The IUCN Red List of Threatened Species 2023: e.T41960A69157756. Accessed on 05 May 2026.
Distribution mondiale
Calcul de la distribution GBIF· ~10–60 s
Phénologie
Calcul du calendrier d'apparition· ~5–30 s