Aloe analavelonensis
Letsara, Rakotoar. & Almeda
Pays · région · aire protégée · écorégion · biome
Pas d'interactions documentées pour cette espèce.
Liste rouge IUCN
EN · En dangercritères B1ab(i,ii,iii,v)+2ab(i,ii,iii,v)↘Décroissante- Évaluation
- 2020 · v3.1
- Altitude
- 900 – 1200 m
- Profondeur
- – m
État de la populationTexte officiel évaluation IUCNExpert
This aloe is locally abundant and forms scattered clumps. It reproduces abundantly by suckers and forms extensive colonies that can have hundreds of plants over several square meters.
Menaces identifiées(3 menaces classées CMP-IUCN)
2_1_1Shifting agricultureNegligible declinesMinority (<50%)Ongoing5_3_3Unintentional effects: (subsistence/small scale) [harvest]Negligible declinesMinority (<50%)Ongoing7_1_3Trend Unknown/UnrecordedNegligible declinesMinority (<50%)Ongoing
Description complète des menacesTexte détaillé évaluation IUCNExpert
Even though Analavelona Massif is part of a nominated New Protected Areas (NPA), human activities such as shifting agriculture and induce fires take place at a low intensity affecting the species' and its habitat (http://www.nocomment.mg/analavelona/). Selective logging also affects the species habitat.
Habitats préférentiels (classification IUCN)
1_6Forest - Subtropical/Tropical Moist Lowland
Mesures de conservation recommandéesStratégies de conservation IUCNExpert
Analavelona Massif is part of a New Protected Area (NPA). It is recorded within two botanic gardens around the world (BGCI 2018). Seed collection of the species is recommended to ensure the long term conservation of the species. This species would benefit from research on the population trend, uses and long term management plans. This species is listed in CITES Appendix II (CITES 2019).
Actions de conservation (1)Conservation Actions Classification Scheme — IUCNExpert
3_4_2Genome resource bank
Stress écologiques (12)Stresses Classification — IUCNExpert
1_1Ecosystem conversion1_1Ecosystem conversion1_1Ecosystem conversion1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation2_1Species mortality2_1Species mortality2_1Species mortality2_2Species disturbance2_2Species disturbance2_2Species disturbance
Priorités de recherche (3)Research Needed Classification — IUCNExpert
1_2Population size, distribution & trends1_4Harvest, use & livelihoods3_1Population trends
Niche IUCN globaleRealms · Systems · LMEs · Growth forms · FAOs — biogéographie IUCNExpert
Royaumes biogéographiques
Afrotropical
Systèmes (terrestre/eau douce/marin)
Terrestrial
Formes de croissance
Succulent - shrub
Références bibliographiques (7)Sources scientifiques de l'évaluation IUCNExpert
- IUCN. 2020. The IUCN Red List of Threatened Species. Version 2020-2. Available at: <a href="www.iucnredlist.org">www.iucnredlist.org</a>. (Accessed: 13 June 2020).
- CITES - The Convention on International Trade in Endangered Species of Wild Fauna and Flora. 2019. Appendices I, II and III valid from 26 November 2019. Available at: <a href="https://www.cites.org/eng/app/appendices.php">https://www.cites.org/eng/app/appendices.php</a>. (Accessed: March 2020).
- Google Earth. 2018. Satellite Imagery.
- Letsara, R., Rakotoarisoa, S., Almeda, F. 2012. Three new Aloe species from Madagascar. <i>Malagasy Nature</i> 6: 46-55.
- Castillon, J.-B. and Castillon, J.-P. 2010. <i>Les Aloe de Madagascar/The Aloes of Madagascar</i>. J.-P. Castillon, La Réunion.
- Moat, J. and Smith, P. 2007. <i>Atlas of the Vegetation of Madagascar</i>. Royal Botanic Gardens, Kew, Kew.
- Moat, J. 2007. Conservation assessment tools extension for ArcView 3.x, version 1.2. GIS Unit . UK.
Évaluateurs & contributeurs (4)Personnes ayant contribué à l'évaluation IUCNExpert
assessor
Rakotoarisoa, S.E.
evaluator
Goettsch, B., Manjato, N., Andriambololonera, S., Faranirina, L. & Ravololomanana, N.
facilitators
Jefferson, M. & Goettsch, B.
institutions
Royal Botanic Gardens, Kew
Rakotoarisoa, S.E. 2020. Aloe analavelonensis. The IUCN Red List of Threatened Species 2020: e.T85998463A100531869. Accessed on 05 May 2026.
Répartition mondiale
Aucune observation géoréférencée avec précision suffisante (<10 km) dans GBIF pour cette espèce.
Consulter sur les bases externes
Observations & statuts
Cartographie