Ontologia

Angraecum chermezonii

H.Perrier

LCLR Monde (IUCN)
Pays · région · aire protégée · écorégion · biome

Graphe en cours d’indexation

Calcul du tissu écologique de Angraecum chermezonii.

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

Liste rouge IUCN

LC · Préoccupation mineureDécroissante
Évaluation complète
Évaluation
2021 · v3.1
Altitude
10002332 m
Profondeur
m
État de la populationExpert

Angraecum chermezonii is currently thought to be decreasing since the subpopulation in the footprint of the mining project should be considered as extirpated. The number of mature individuals of A. chermezonii is unknown.

Menaces identifiées(3 menaces classées CMP-IUCN)

  • 2_1_1
    Shifting agriculture
    Rapid DeclinesMinority (<50%)Ongoing
  • 5_3_3
    Unintentional effects: (subsistence/small scale) [harvest]
    Rapid DeclinesMinority (<50%)Ongoing
  • 3_2
    Mining & quarrying
    Very Rapid DeclinesMinority (<50%)Ongoing
Description complète des menacesExpert

This species experiences continuing decline in extent of occurrence, area of occupancy, habitat quality, number of subpopulations and number of mature individuals due to mining activities, selective logging, charcoal production, timber harvesting for small-scale subsistence and tavy (slash-and-burn farming).

Habitats préférentiels (classification IUCN)

  • 1_9Forest - Subtropical/Tropical Moist Montane
  • 3_7Shrubland - Subtropical/Tropical High Altitude
Mesures de conservation recommandéesExpert

Eight collections and six observations (14 occurrences) have been made in seven protected areas, the Ambositra-Vondrozo corridor protected harmonious landscape (three occurrences), the Ankeniheny-Zahamena Corridor natural resources reserve (two occurrences), the Tsaratanana natural integral reserve (one occurrence), the Marojejy national park (two occurrences), the Mantadia national park (two occurrences), the Maromizaha natural resources reserve (one occurrence), the Ajnozorobe Angavo Protected Area (one occurrence) and the Torotorofotsy protected area (three occurrences).  Angraecum chermezonii is also known from four collections (two occurrences) made in the conservation zone surrounding the footprint of a mining project and this forest should be subject to protection in the near future. Individuals from this species have been brought to cultivation in the Ambatovy shade house. This species is included in Appendix II of CITES.

Actions de conservation (8)Expert
  • 1_1Site/area protection
  • 1_2Resource & habitat protection
  • 2_1Site/area management
  • 3_2Species recovery
  • 3_4_1Captive breeding/artificial propagation
  • 3_4_2Genome resource bank
  • 4_1Formal education
  • 4_3Awareness & communications
Stress écologiques (6)Expert
  • 1_2Ecosystem degradation
  • 1_2Ecosystem degradation
  • 1_2Ecosystem degradation
  • 2_2Species disturbance
  • 2_2Species disturbance
  • 2_2Species disturbance
Usage & commerce (1)Expert
  • 18Unknown
Priorités de recherche (6)Expert
  • 1_2Population size, distribution & trends
  • 1_5Threats
  • 1_6Actions
  • 2_1Species Action/Recovery Plan
  • 3_1Population trends
  • 3_4Habitat trends
Niche IUCN globaleExpert

Royaumes biogéographiques

Afrotropical

Systèmes (terrestre/eau douce/marin)

Terrestrial

Formes de croissance

EpiphyteForb or Herb
Références bibliographiques (8)Expert
  1. IUCN. 2021. The IUCN Red List of Threatened Species. Version 2021-1. Available at: <a href="www.iucnredlist.org">www.iucnredlist.org</a>. (Accessed: 25 March 2021).
  2. GeoCAT. 2020. Geospatial conservation assessment tool (GeoCAT). Available at: <a href="http://geocat.kew.org/editor">http://geocat.kew.org/editor</a>. (Accessed: 04/2020).
  3. Missouri Botanical Garden. 2020. Tropicos.org. Available at: <a href="http://www.tropicos.org">http://www.tropicos.org</a>. (Accessed: 2020).
  4. POWO. 2020. Plants of the World Online. Facilitated by the Royal Botanic Gardens, Kew. (Accessed: 14.01).
  5. IUCN Standards and Petitions Committee. 2019. Guidelines for Using the IUCN Red List Categories and Criteria. Version 14. Prepared by the Standards and Petitions Subcommittee. Available at: <a href="http://www.iucnredlist.org/documents/RedListGuidelines.pdf">http://www.iucnredlist.org/documents/RedListGuidelines.pdf</a>.
  6. MNHN - Museum national d'Histoire naturelle. 2019. The vascular plants collection (P) at the Herbarium of the Muséum national d'Histoire Naturelle (MNHN - Paris). Version 69.106. Occurrence dataset. Available at: <a href="https://doi.org/10.15468/nc6rxy">https://doi.org/10.15468/nc6rxy</a>. (Accessed: 05/03/19).
  7. Cribb, P. and Hermans, J. 2009. <i>Field Guide to the Orchids of Madagascar</i>. Royal Botanic Gardens, Kew.
  8. Hermans, J., Hermans, C., Du Puy, D., Cribb, P. and Bosser, J. 2007. <i>Orchids of Madagascar</i>. Royal Botanic Gardens, Kew.
Évaluateurs & contributeurs (3)Expert
assessor
Rajaovelona, L.R., Ramandimbisoa, B., Andriamahefarivo, L., Verlynde, S., Stévart, T. & Droissart, V.
contributor
Razafindramanana, J., Rajaonarivelo, N. & Andriatsiferana, F.
evaluator
Andriambololonera, S., Rabarimanarivo, M. & Rakotoarinivo, M.

Rajaovelona, L.R., Ramandimbisoa, B., Andriamahefarivo, L., Verlynde, S., Stévart, T. & Droissart, V. 2021. Angraecum chermezonii. The IUCN Red List of Threatened Species 2021: e.T64593906A64626041. 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

  • Angraecoides chermezonii(H.Perrier) Szlach.

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