Ceratozamia alvarezii

Pérez-Farr., Vovides & Iglesias

Plante

ENLR Monde (IUCN)

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

Graphe en cours d’indexation

Calcul du tissu écologique de Ceratozamia alvarezii.

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

Liste rouge IUCN

EN · En dangercritères A2acd; B1ab(i,iii,v)+2ab(i,iii,v); C1↘Décroissante

Évaluation complète

Évaluation: 2022 · v3.1
Altitude: 950 – 950 m
Profondeur: – m

État de la populationTexte officiel évaluation IUCNExpert

Plants are known from only two subpopulations. One of the subpopulations comprises 300 plants. In total it is estimated that there are 600-1,000 mature individuals in the wild. It is inferred that the current population trend is decreasing due to habitat loss and poaching.

Menaces identifiées(2 menaces classées CMP-IUCN)

2_1_2
Small-holder farming
Ongoing
5_2_1
Intentional use (species is the target)
Ongoing

Description complète des menacesTexte détaillé évaluation IUCNExpert

This species is considered to be endangered because of habitat loss as the forests are being cleared for agriculture. Poaching of plants is also a threat.

Habitats préférentiels (classification IUCN)

1_9Forest - Subtropical/Tropical Moist Montane

Mesures de conservation recommandéesStratégies de conservation IUCNExpert

This species is listed in Appendix I of CITES. Plants occur in the La Sepultura Biosphere Reserve. An education and awareness programme as well as the long-term monitoring of populations will support the conservation of this species.

Actions de conservation (2)Conservation Actions Classification Scheme — IUCNExpert

1_1Site/area protection
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
internationalnationalsubsistance

Priorités de recherche (3)Research Needed Classification — IUCNExpert

1_2Population size, distribution & trends
1_3Life history & ecology
1_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 (6)Sources scientifiques de l'évaluation IUCNExpert

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. 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.
Jones, D.L. 2002. Cycads of the World (2nd edition). Smithsonian Institute Press, Washington, DC.
Perez-Farrera, M.A., Vovides, A.P. and Iglesias, C. 1999. A new species of Ceratozamia (Zamiaceae, Cycadales) from Chiapas, Mexico. Novon 9(3): 410-413.
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

Vovides, A.P.

evaluator

Donaldson, J.S.

Bösenberg, J.D. 2022. Ceratozamia alvarezii. The IUCN Red List of Threatened Species 2022: e.T42122A2959813. Accessed on 05 May 2026.