Aerangis megaphylla
Summerh.
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Calcul du tissu écologique de Aerangis megaphylla.
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Liste rouge IUCN
CR · En danger critiquecritères B2ab(iii,v)↘Décroissante- Évaluation
- 2018 · v3.1
- Altitude
- 250 – 600 m
- Profondeur
- – m
État de la populationTexte officiel évaluation IUCNExpert
The population of Aerangis megaphylla is currently thought to decrease since the species occurs around a crater lake in a small island that is easily accessible by tourists and local residents. Its number of individuals is not known and cannot be estimated since the species is an epiphyte.
Menaces identifiées(4 menaces classées CMP-IUCN)
1_3Tourism & recreation areasOngoing2_1_1Shifting agricultureOngoing2_2_1Small-holder plantationsOngoing5_3_3Unintentional effects: (subsistence/small scale) [harvest]Ongoing
Description complète des menacesTexte détaillé évaluation IUCNExpert
The habitat of the species (the low- and mid-altitude forest) is subject to deforestation for shifting agriculture. The current threat known for the species is urbanization, due to the tourist activity that can be developed around the lake.
Habitats préférentiels (classification IUCN)
1_6Forest - Subtropical/Tropical Moist Lowland1_9Forest - Subtropical/Tropical Moist Montane
Mesures de conservation recommandéesStratégies de conservation IUCNExpert
The species has been collected six times around the Crater Lake, a tourist site on Annobón Island. This Crater Lake is easily accessible and the habitat of the surroundings of the lake is continuously degraded by deforestation for shifting agriculture. Ex situ conservation of the species is not known or documented.
Actions de conservation (4)Conservation Actions Classification Scheme — IUCNExpert
1_1Site/area protection1_2Resource & habitat protection4_1Formal education4_3Awareness & communications
Stress écologiques (13)Stresses Classification — IUCNExpert
1_1Ecosystem conversion1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation2_2Species disturbance2_2Species disturbance2_2Species disturbance2_2Species disturbance2_3_7Reduced reproductive success2_3_7Reduced reproductive success2_3_7Reduced reproductive success2_3_7Reduced reproductive success
Priorités de recherche (4)Research Needed Classification — IUCNExpert
1_2Population size, distribution & trends2_1Species Action/Recovery Plan3_1Population trends3_4Habitat trends
Niche IUCN globaleRealms · Systems · LMEs · Growth forms · FAOs — biogéographie IUCNExpert
Royaumes biogéographiques
Systèmes (terrestre/eau douce/marin)
Formes de croissance
Références bibliographiques (6)Sources scientifiques de l'évaluation IUCNExpert
- 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).
- IUCN Standards and Petitions Subcommittee. 2016. Guidelines for Using the IUCN Red List Categories and Criteria. Version 12. Available at: <a href="http://www.iucnredlist.org/documents/RedListGuidelines.pdf.">http://www.iucnredlist.org/documents/RedListGuidelines.pdf.</a>.
- La Croix. 2015. <i>Aerangis: Exquisite African Orchids to Discover, Identify & Grow</i>. Timber Press, Portland, Oregon.
- Velayos, M., Barbera, P., Cabezas, F.J., De La Estrella, M., Fero, M. and Aedo, C. 2014. Checklist of the Vascular Plants of Annobon (Equatorial Guinea). <i>Phytotaxa</i> 171(1): 1-78.
- Droissart, V. 2009. Etude taxonomique et biogéographique des plantes endémiques d’Afrique centrale atlantique: le cas des Orchidaceae. Laboratoire de Botanique systématique et de Phytosociologie, Université Libre de Bruxelles.
- 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.
Évaluateurs & contributeurs (2)Personnes ayant contribué à l'évaluation IUCNExpert
Simo-Droissart, M., Stévart, T. & Droissart, V. 2018. Aerangis megaphylla. The IUCN Red List of Threatened Species 2018: e.T87583105A87739827. Accessed on 05 May 2026.
Distribution mondiale
Phénologie
Consulter sur les bases externes
Observations & statuts
Cartographie
Note nomenclaturale & synonymesDétails taxonomiques + synonymes CoLExpert
Note nomenclaturale
TAXREF v18 — INPN/MNHNSynonymes (1)— redirigent vers cette page
- Aerangis phalaenopsisSchltr.
Sources : Catalogue of Life Cross-References (synonymes) · TAXREF v18 INPN/MNHN (commentaires FR).