Ontologia
Gorongo Cycad

Gorongo Cycad

Encephalartos manikensis(Gilliland) Gilliland

VULR 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 Encephalartos manikensis.

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

Liste rouge IUCN

VU · Vulnérablecritères A2acdDécroissante
Évaluation complète
Évaluation
2022 · v3.1
Altitude
6001400 m
Profondeur
m
État de la populationExpert
The population size of Encephalartos manikensis is estimated to be less than 10,000 mature individuals. Some subpopulations are still quite large, especially in Mozambique. However, other subpopulations have declined substantially.

Menaces identifiées(2 menaces classées CMP-IUCN)

  • 5_2_1
    Intentional use (species is the target)
    Rapid DeclinesMajority (50-90%)Ongoing
  • 2_1_2
    Small-holder farming
    Slow, Significant DeclinesMajority (50-90%)Ongoing
Description complète des menacesExpert
Encephalartos manikensis is primarily threatened by the poaching of wild plants for ornamental purposes. There is a lack of recent information on the population status of this species and field assessments should be undertaken to assess changes within the last decade.

Habitats préférentiels (classification IUCN)

  • 1_5Forest - Subtropical/Tropical Dry
  • 2_1Savanna - Dry
  • 4_5Grassland - Subtropical/Tropical Dry
Mesures de conservation recommandéesExpert
This species is listed in Appendix I of the CITES Appendices. Subpopulations of Encephalartos manikensis occur in the Nyanga National Park in Zimbabwe. More comprehensive surveys are required to determine the taxonomic status of different subpopulations. Some subpopulations with distinct characters are being extirpated. 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 (1)Expert
  • 2_1Species mortality
Usage & commerce (3)Expert
  • 1Food - human
    subsistance
  • 13Pets/display animals, horticulture
    internationalnational
  • 16Establishing ex-situ production *
    national
Priorités de recherche (3)Expert
  • 1_1Taxonomy
  • 1_2Population size, distribution & trends
  • 1_3Life history & ecology
Niche IUCN globaleExpert

Royaumes biogéographiques

Afrotropical

Systèmes (terrestre/eau douce/marin)

Terrestrial

Formes de croissance

CycadShrub - large
Références bibliographiques (6)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. Capela, P. 2006. <i>Speculations on the </i>Encephalartos species<i> of Mozambique</i>. Pedro Capela, Chimoio, Mozambique.
  4. Whitelock, L.M. 2002. <i>The Cycads</i>. Timber Press, Portland, Oregon.
  5. Jones, D.L. 2002. <i>Cycads of the World</i>. Smithsonian Institution Press, Washington, DC.
  6. Osborne, R. 1994. Focus on <i>Encephalartos manikensis</i>. <i>Encephalartos</i> 38: 4-11.
Évaluateurs & contributeurs (3)Expert
assessor
Bösenberg, J.D.
contributor
Donaldson, J.S.
evaluator
Donaldson, J.S.
1 erratum publié après l'évaluation.

Bösenberg, J.D. 2022. Encephalartos manikensis (errata version published in 2023). The IUCN Red List of Threatened Species 2022: e.T41919A243429713. 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

Note nomenclaturale & synonymesExpert

Note nomenclaturale

TAXREF v18 — INPN/MNHN

Synonymes (2)— redirigent vers cette page

  • Encephalartos gratus subsp. manikensisPrain
  • Encephalartos gratus var. manikensisGilliland

Sources : Catalogue of Life Cross-References (synonymes) · TAXREF v18 INPN/MNHN (commentaires FR).