Cycas megacarpa
K.D.Hill
Pays · région · aire protégée · écorégion · biome
Graphe en cours d’indexation
Calcul du tissu écologique de Cycas megacarpa.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 5s).
Liste rouge IUCN
VU · Vulnérablecritères A2c↘Décroissante- Évaluation
- 2022 · v3.1
- Altitude
- 40 – 680 m
- Profondeur
- – m
État de la populationTexte officiel évaluation IUCNExpert
The most recent survey indicates a presence of 46 subpopulations and an estimated c. 373,000 mature plants.
Menaces identifiées(3 menaces classées CMP-IUCN)
2_2_3Scale Unknown/UnrecordedOngoing2_3_4Scale Unknown/UnrecordedOngoing5_2_1Intentional use (species is the target)Future
Description complète des menacesTexte détaillé évaluation IUCNExpert
There is considerable risk of habitat removal for forestry and pastoral activity. As with some species within this genus, it could also become susceptible to over collecting for ornamental purposes in the future.
Habitats préférentiels (classification IUCN)
1_6Forest - Subtropical/Tropical Moist Lowland2_1Savanna - Dry
Mesures de conservation recommandéesStratégies de conservation IUCNExpert
This species is listed in Appendix II of the CITES Appendices. There are several subpopulations in protected areas. An education and awareness programme as well as the long-term monitoring of subpopulations will support the conservation of this species.
Actions de conservation (1)Conservation Actions Classification Scheme — IUCNExpert
4_3Awareness & communications
Stress écologiques (5)Stresses Classification — IUCNExpert
1_1Ecosystem conversion1_1Ecosystem conversion1_2Ecosystem degradation1_2Ecosystem degradation2_1Species mortality
Priorités de recherche (2)Research Needed Classification — IUCNExpert
1_2Population size, distribution & trends1_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).
- IUCN. 2022. The IUCN Red List of Threatened Species. Version 2022-1. Available at: <a href="www.iucnredlist.org">www.iucnredlist.org</a>. (Accessed: 21 July 2022).
- Atlas of Living Australia. 2020. Atlas of Living Australia. Available at: <a href="http://www.ala.org.au">http://www.ala.org.au</a>.
- Queensland Herbarium. 2007. National Multi-species Recovery Plan for the cycads, <i>Cycas megacarpa, Cycas ophiolitica, Macrozamia cranei, Macrozamia lomandroides, Macrozamia pauli-guilielmi</i> and <i>Macrozamia platyrhachis</i>. Report to Department of the Environment and Water Resources, Canberra. Queensland Parks and Wildlife Service, Brisbane.
- 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>.
- Hill, K.D. 1992. A preliminary account of <i>Cycas</i> (Cycadaceae) in Queensland. <i>Telopea</i> 5(1): 177-206.
Évaluateurs & contributeurs (3)Personnes ayant contribué à l'évaluation IUCNExpert
assessor
Bösenberg, J.D.
contributor
Forster, P.
evaluator
Donaldson, J.S.
⚠ 1 erratum publié après l'évaluation.
Bösenberg, J.D. 2022. Cycas megacarpa (errata version published in 2023). The IUCN Red List of Threatened Species 2022: e.T41951A243418145. Accessed on 05 May 2026.
Distribution mondiale
Calcul de la distribution GBIF· ~10–60 s
Phénologie
Calcul du calendrier d'apparition· ~5–30 s
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Observations & statuts
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