Ontologia
Ceratozamia zaragozae

Ceratozamia zaragozae

Medellín

ENLR Monde (IUCN)
1 photo · Licences CC (Wikimedia Commons / iNaturalist)Click pour agrandir
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 complète
Évaluation
2022 · v3.1
Altitude
16002350 m
Profondeur
m
État de la populationExpert
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_1
    Shifting agriculture
    Ongoing
  • 2_3_2
    Small-holder grazing, ranching or farming
    Ongoing
  • 5_2_1
    Intentional use (species is the target)
    Ongoing
Description complète des menacesExpert
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 recommandéesExpert
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)Expert
  • 1_1Site/area protection
  • 4_3Awareness & communications
Stress écologiques (3)Expert
  • 1_2Ecosystem degradation
  • 1_2Ecosystem degradation
  • 2_1Species mortality
Usage & commerce (1)Expert
  • 13Pets/display animals, horticulture
    internationalnational
Priorités de recherche (4)Expert
  • 1_2Population size, distribution & trends
  • 1_3Life history & ecology
  • 1_6Actions
  • 3_1Population trends
Niche IUCN globaleExpert

Royaumes biogéographiques

Neotropical

Systèmes (terrestre/eau douce/marin)

Terrestrial

Formes de croissance

CycadShrub - small
Références bibliographiques (8)Expert
  1. 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).
  2. 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).
  3. 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.
  4. 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.
  5. Whitelock, L.M. 2002. <i>The Cycads</i>. Timber Press, Portland, Oregon.
  6. 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>.
  7. Jones, D.L. 1993. <i>Cycads of the World</i>. Reed, New Holland, Frenchs Forest, N.S.W., Australia.
  8. 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)Expert
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.

Répartition mondiale (heatmap GBIF)Construction en cours

0 obs · 0 cellules
Construction par partitions temporelles GBIF0%

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km). Filtre qualité : précision coordonnée < 10 km. Coloration quantile (q50/70/90/99). Fond carte : OpenFreeMap · © OpenStreetMap.

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

Bibliographie