Angraecum arachnites

Schltr.

Plante

LCLR Monde (IUCN)

Filtrer le graphe par contexte spatialPays · région · aire protégée · écorégion · biome

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Calcul du tissu écologique de Angraecum arachnites.

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Liste rouge IUCN

LC · Préoccupation mineure↘Décroissante

Évaluation complète

Évaluation: 2021 · v3.1
Altitude: 810 – 1640 m
Profondeur: – m

État de la populationTexte officiel évaluation IUCNExpert

The population of Angraecum arachnites is currently thought to be decreasing since the species habitat is threatened. The number of mature individuals of A. arachnites is not known.

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 menacesTexte détaillé évaluation IUCNExpert

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

Habitats préférentiels (classification IUCN)

1_9Forest - Subtropical/Tropical Moist Montane★
1_6Forest - Subtropical/Tropical Moist Lowland

Mesures de conservation recommandéesStratégies de conservation IUCNExpert

Angraecum arachnites has been collected from 17 collections in eight protected areas, the Ambohitantely special reserve (two collections), the Analamazaotra national park (one collection), the Andringitra national park (one collection), the Anjozorobe-Angavo Corridor protected harmonious landscape (seven collections), the Ankeniheny Zahamena Corridor protected harmonious landscape (one collection), the Itremo massif protected harmonious landscape (three collections), the Manongarivo special reserve (one collection) and the Montagne d’Ambre national park (one collection). In addition to these officially protected sites, one collection has also been collected in the conservation zone surrounding the footprint, and this forest should be subjected to protection in the near future. The species is listed in the Appendix II of the CITES. Individuals of this species have been brought to cultivation in the Ambatovy and the Antananarivo shade houses.

Actions de conservation (8)Conservation Actions Classification Scheme — IUCNExpert

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

Priorités de recherche (6)Research Needed Classification — IUCNExpert

1_2Population size, distribution & trends
1_5Threats
1_6Actions
2_1Species Action/Recovery Plan
3_1Population trends
3_4Habitat trends

Niche IUCN globaleRealms · Systems · LMEs · Growth forms · FAOs — biogéographie IUCNExpert

Royaumes biogéographiques

Afrotropical

Systèmes (terrestre/eau douce/marin)

Terrestrial

Formes de croissance

EpiphyteForb or Herb

Références bibliographiques (7)Sources scientifiques de l'évaluation IUCNExpert

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).
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).
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>.
Missouri Botanical Garden. 2015. Tropicos.org. St. Louis Available at: <a href="http://www.tropicos.org/">http://www.tropicos.org/</a>.
Bachman, S. and Moat, J. 2012. GeoCAT – an open source tool for rapid Red List assessments. BGCI 9(1).
Cribb, P. and Hermans, J. 2009. Field Guide to the Orchids of Madagascar. Royal Botanic Gardens, Kew.
Du Puy, D., Hermans, J and Hermans, C. 1999. The Orchids of Madagascar. Royal Botanic Gardens, Kew.

Évaluateurs & contributeurs (3)Personnes ayant contribué à l'évaluation IUCNExpert

assessor

Andriamahefarivo, L., Verlynde, S., Rajaovelona, L.R., Ramandimbisoa, B., Stévart, T. & Droissart, V.

contributor

Razafindramanana, J., Rajaonarivelo, N. & Andriatsiferana, F.

evaluator

Andriambololonera, S., Rabarimanarivo, M. & Rakotoarinivo, M.

Andriamahefarivo, L., Verlynde, S., Rajaovelona, L.R., Ramandimbisoa, B., Stévart, T. & Droissart, V. 2021. Angraecum arachnites. The IUCN Red List of Threatened Species 2021: e.T70102346A70147074. Accessed on 05 May 2026.