Dioon edule

Lindl.

Plante

NTLR Monde (IUCN)

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Filtrer le graphe par contexte spatialPays · région · aire protégée · écorégion · biome

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Calcul du tissu écologique de Dioon edule.

Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 5s).

Liste rouge IUCN

NT · Quasi menacéecritères A2cd↘Décroissante

Évaluation complète

Évaluation: 2022 · v3.1
Altitude: 500 – 1500 m
Profondeur: – m

État de la populationTexte officiel évaluation IUCNExpert

This species is known from many localities, with many thousands of adult plants. Some populations have declined substantially, but the overall decline is relatively low. A few of the subpopulations were visited between 1998 and 2005 and a total of 141,500 plants were recorded. There has been a decline over the past 50 years, which in some subpopulations is estimated as >50% but overall is estimated to be <30%.

Menaces identifiées(2 menaces classées CMP-IUCN)

2_1_4
Scale Unknown/Unrecorded
Slow, Significant DeclinesMinority (<50%)Ongoing
5_2_1
Intentional use (species is the target)
Slow, Significant DeclinesMinority (<50%)Ongoing

Description complète des menacesTexte détaillé évaluation IUCNExpert

This species has been affected by agriculture driven habitat destruction and over-collecting for ornamental purposes.

Habitats préférentiels (classification IUCN)

1_5Forest - Subtropical/Tropical Dry
1_6Forest - Subtropical/Tropical Moist Lowland
6Rocky areas (eg. inland cliffs, mountain peaks)
1_9Forest - Subtropical/Tropical Moist Montane

Mesures de conservation recommandéesStratégies de conservation IUCNExpert

This species is listed in Appendix II of CITES. It is protected by local communities and also occurs in the Sierra Gorda Biodiversity Reserve (Querétaro) and the Sierra del Abra-Tanchipa Biodiversity Reserve (San Luis Potosi). An education and awareness programme as well as the monitoring of subpopulations will support the conservation of this species

Actions de conservation (1)Conservation Actions Classification Scheme — IUCNExpert

4_3Awareness & communications

Stress écologiques (3)Stresses Classification — IUCNExpert

1_1Ecosystem conversion
1_2Ecosystem degradation
2_1Species mortality

Usage & commerce (1)Use & Trade — IUCNExpert

13Pets/display animals, horticulture
internationalnational

Priorités de recherche (1)Research Needed Classification — IUCNExpert

1_2Population size, distribution & trends

Niche IUCN globaleRealms · Systems · LMEs · Growth forms · FAOs — biogéographie IUCNExpert

Royaumes biogéographiques

NearcticNeotropical

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).
Octavio-Aguilar, P., Gonzalez-Astorga, J. and Vovides, A.P. 2008. Population dynamics of the Mexican cycad Dioon edule Lindl. (Zamiaceae): life history stages and management impact. Biological Journal of the Linnean Society 157: 381-391.
Donaldson, J.S. (ed.). 2003. Cycads. Status Survey and Conservation Action Plan. IUCN/SSC Cycad Specialist Group. IUCN, Gland, Switzerland and Cambridge, UK.
Whitelock, L.M. 2002. The Cycads. Timber Press, Portland, Oregon.
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>.
Jones, D.L. 1993. Cycads of the World. Reed, New Holland, Frenchs Forest, N.S.W., Australia.
Vovides, A.P. 1990. Spatial distribution, survival, and fecundity of Dioon edule (Zamiaceae) in tropical deciduous forest in Veracruz, México, with notes on its habitat. American Journal of Botany 77: 1532-1543.
De Luca, P., Sabato, S. and Vazquez Torres, M. 1982. Distribution and variation of Dion edule (Zamiaceae). Brittonia 34(3): 355-362.

Évaluateurs & contributeurs (3)Personnes ayant contribué à l'évaluation IUCNExpert

assessor

Chemnick, J. & Gregory, T.

contributor

Morales, S. & Donaldson, J.S.

evaluator

Bösenberg, J.D.

⚠ 1 erratum publié après l'évaluation.

Chemnick, J. & Gregory, T. 2022. Dioon edule (errata version published in 2023). The IUCN Red List of Threatened Species 2022: e.T42158A243385825. Accessed on 05 May 2026.