
Ceratozamia zaragozae
Medellín
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Pays · région · aire protégée · écorégion · biome
Graphe en cours d’indexation
Calcul du tissu écologique de Ceratozamia zaragozae.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 5s).
Liste rouge IUCN
EN · En dangercritères B1ab(v)↘Décroissante- Évaluation
- 2022 · v3.1
- Altitude
- 1600 – 2350 m
- Profondeur
- – m
État de la populationTexte officiel évaluation IUCNExpert
Information from newly discovered subpopulations suggests that there are about 3,027-3,528 mature individuals (Castillo-Lara et al. 2018).
Menaces identifiées(3 menaces classées CMP-IUCN)
2_1_1Shifting agricultureOngoing2_3_2Small-holder grazing, ranching or farmingOngoing5_2_1Intentional use (species is the target)Ongoing
Description complète des menacesTexte détaillé évaluation IUCNExpert
This species has been severely affected by over-collection, to the point of being almost eradicated in certain areas. In addition, there are concerns that the population may become increasingly threatened by changes in land-use, overgrazing, and continued over-harvesting.
Habitats préférentiels (classification IUCN)
1_5Forest - Subtropical/Tropical Dry
Mesures de conservation recommandéesStratégies de conservation IUCNExpert
This species is listed in Appendix I of the CITES Appendices. Subpopulations are found in El Potosí National Park. 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 (3)Stresses Classification — IUCNExpert
1_2Ecosystem degradation1_2Ecosystem degradation2_1Species mortality
Usage & commerce (1)Use & Trade — IUCNExpert
13Pets/display animals, horticultureinternationalnational
Priorités de recherche (4)Research Needed Classification — IUCNExpert
1_2Population size, distribution & trends1_3Life history & ecology1_6Actions3_1Population trends
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).
- Castillo-Lara, P., Octavio-Aguilar, P. and Arturo De-Nova, J. 2018. <i>Ceratozamia zaragozae</i> Medellín-Leal (Zamiaceae), an endangered Mexican cycad: New information on population structure and spatial distribution. <i>Brittonia</i> 70(2): 155-165.
- 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.
- 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. <i>Cycads of the World</i>. Reed, New Holland, Frenchs Forest, N.S.W., Australia.
- Medellin-Leal, F. 1963. A new species of <i>Ceratozamia</i> from San Luis Potosi. <i>Brittonia</i> 15(2): 175-176.
Évaluateurs & contributeurs (3)Personnes ayant contribué à l'évaluation IUCNExpert
assessor
Bösenberg, J.D.
contributor
Castillo-Lara, P, Octavio-Aguilar, P., De-Nova, A., Gregory, T. & Chemnick, J.
evaluator
Donaldson, J.S.
⚠ 1 erratum publié après l'évaluation.
Bösenberg, J.D. 2022. Ceratozamia zaragozae (errata version published in 2023). The IUCN Red List of Threatened Species 2022: e.T42103A243401488. 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