Ontologia
Angraecum sanfordii

Angraecum sanfordii

P.J.Cribb & B.J.Pollard

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 Angraecum sanfordii.

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

Liste rouge IUCN

EN · En dangercritères B1ab(iii,v)+2ab(iii,v)Décroissante
Évaluation complète
Évaluation
2018 · v3.1
Altitude
8002000 m
Profondeur
m
État de la populationExpert

The population of Angraecum sanfordii is currently thought to b declining because the habitat above Buea in Mount Cameroon is currently facing selective logging and clearance for agriculture and urbanization. The species is known from five subpopulations that represent two different locations. The number of individuals of the species is not known and cannot be estimated since the species is epiphyte.

Menaces identifiées(5 menaces classées CMP-IUCN)

  • 1_1
    Housing & urban areas
    Ongoing
  • 2_1_1
    Shifting agriculture
    Ongoing
  • 2_1_2
    Small-holder farming
    Ongoing
  • 2_2_1
    Small-holder plantations
    Ongoing
  • 5_3_3
    Unintentional effects: (subsistence/small scale) [harvest]
    Ongoing
Description complète des menacesExpert
Above Buea, the vegetation is facing clearance for plantation (crops and timber) agriculture and urbanization. On Mt Kupe, the site at 1,100 m above Nyasoso is threatened by encroachment of agriculture following the continued expansion of this town, particularly because of migration of people into this general part of the Southwest Region from the Northwest and West Regions.

Habitats préférentiels (classification IUCN)

  • 1_6Forest - Subtropical/Tropical Moist Lowland
  • 1_9Forest - Subtropical/Tropical Moist Montane
Mesures de conservation recommandéesExpert

Angraecum sanfordii is known from five subpopulations representing two different locations, of which only one appears under protection. In fact, much of the forest above 1,000 m, around the summit of Kupe rock has some form of protected status with a limited disturbance. However, efforts to rediscover the population on the eastern slopes of Mt Cameroon should be made. A survey of its population on Mt Kupe, particularly at lower elevations, would allow a better assessment of its status on the mountain, seemingly the stronghold of this species. The species is cultivated in the Yaoundé shade house.

Actions de conservation (7)Expert
  • 1_1Site/area protection
  • 1_2Resource & habitat protection
  • 3_2Species recovery
  • 3_4_1Captive breeding/artificial propagation
  • 3_4_2Genome resource bank
  • 4_1Formal education
  • 4_3Awareness & communications
Stress écologiques (17)Expert
  • 1_1Ecosystem conversion
  • 1_2Ecosystem degradation
  • 1_2Ecosystem degradation
  • 1_2Ecosystem degradation
  • 1_2Ecosystem degradation
  • 1_2Ecosystem degradation
  • 2_2Species disturbance
  • 2_2Species disturbance
  • 2_2Species disturbance
  • 2_2Species disturbance
  • 2_2Species disturbance
  • 2_3_4Loss of pollinator
  • 2_3_7Reduced reproductive success
  • 2_3_7Reduced reproductive success
  • 2_3_7Reduced reproductive success
  • 2_3_7Reduced reproductive success
  • 2_3_7Reduced reproductive success
Priorités de recherche (4)Expert
  • 1_2Population size, distribution & trends
  • 1_5Threats
  • 3_1Population trends
  • 3_4Habitat trends
Niche IUCN globaleExpert

Royaumes biogéographiques

Afrotropical

Systèmes (terrestre/eau douce/marin)

Terrestrial

Formes de croissance

Epiphyte
Références bibliographiques (4)Expert
  1. IUCN. 2018. The IUCN Red List of Threatened Species. Version 2018-1. Available at: <a href="www.iucnredlist.org">www.iucnredlist.org</a>. (Accessed: 28 June 2018).
  2. Pollard, B.J. 2011. Orchidaceae. In: J.M. Onana and M. Cheek (eds), <i>Red Data Book of the Flowering Plants of Cameroon: IUCN Global Assessments</i>, pp. 383-421. Kew Publishing, Kew.
  3. Droissart, V., Sonké, B. and Stévart, T. 2006. Les Orchidaceae endémiques d'Afrique centrale atlantique présentes au Cameroun. <i>Systematics and Geography of Plants</i> 76(1): 3-84.
  4. Cribb, P.J. and Pollard, B.J. 2002. New orchid discoveries in western Cameroon. <i>Kew Bulletin</i> 57(3): 653-659.
Évaluateurs & contributeurs (2)Expert
assessor
Simo-Droissart, M., Stévart, T., Pollard, B.J. & Droissart, V.
evaluator
Lowry II, P.P., Schatz, G.E., Onana, J.-M. & Rankou, H.

Simo-Droissart, M., Stévart, T., Pollard, B.J. & Droissart, V. 2018. Angraecum sanfordii. The IUCN Red List of Threatened Species 2018: e.T46351A87583893. 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 (1)— redirigent vers cette page

  • Conchograecum sanfordii(P.J.Cribb & B.J.Pollard) Szlach., Grochocka, Oledrz. & Mytnik

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