Zamia dressleri
D.W.Stev.
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Pays · région · aire protégée · écorégion · biome
Graphe en cours d’indexation
Calcul du tissu écologique de Zamia dressleri.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 5s).
Liste rouge IUCN
EN · En dangercritères B1ab(iii,v)↘Décroissante- Évaluation
- 2022 · v3.1
- Altitude
- 15 – 200 m
- Profondeur
- – m
État de la populationTexte officiel évaluation IUCNExpert
Zamia dressleri occurs at low densities in the understorey of rainforest, so they can be difficult to survey properly. Population size is estimated to be <1,000 mature individuals. It was originally recorded from three subpopulations but attempts to locate plants in one of the three known subpopulations were unsuccessful.
Menaces identifiées(3 menaces classées CMP-IUCN)
1_1Housing & urban areasOngoing4_1Roads & railroadsFuture5_3_3Unintentional effects: (subsistence/small scale) [harvest]Ongoing
Description complète des menacesTexte détaillé évaluation IUCNExpert
Zamia dressleri has been affected by habitat destruction due to land clearing for housing and logging. A major road is planned to go through one of the sites as well.
Habitats préférentiels (classification IUCN)
1_6Forest - Subtropical/Tropical Moist Lowland
Mesures de conservation recommandéesStratégies de conservation IUCNExpert
This species is listed in Appendix II of the CITES Appendices. The distribution range of this species overlaps with the Nargana Wilderness area. 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_1Ecosystem conversion1_1Ecosystem conversion1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation
Usage & commerce (1)Use & Trade — IUCNExpert
13Pets/display animals, horticultureinternationalnationalsubsistance
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
Neotropical
Systèmes (terrestre/eau douce/marin)
Terrestrial
Formes de croissance
CycadShrub - small
Références bibliographiques (8)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).
- 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.
- Stevenson, D.W.M. 2001. Orden Cycadales. In: R. Bernal and E. Forero (eds), <i>Flora De Colombia</i>, pp. 38-40. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogota.
- 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>.
- Stevenson, D.W. 1993. The Zamiaceae in Panama with Comments on Phytogeography and Species Relationships. <i>Brittonia</i> 45(1): 1-16.
- Jones, D.L. 1993. <i>Cycads of the World</i>. Reed, New Holland, Frenchs Forest, N.S.W., Australia.
Évaluateurs & contributeurs (3)Personnes ayant contribué à l'évaluation IUCNExpert
assessor
Bösenberg, J.D.
contributor
Taylor-Blake, A.
evaluator
Donaldson, J.S.
⚠ 1 erratum publié après l'évaluation.
Bösenberg, J.D. 2022. Zamia dressleri (errata version published in 2023). The IUCN Red List of Threatened Species 2022: e.T42133A243403332. Accessed on 05 May 2026.
Distribution mondiale
Calcul de la distribution GBIF· ~10–60 s
Phénologie
Calcul du calendrier d'apparition· ~5–30 s
Consulter sur les bases externes
Observations & statuts
Cartographie