Beclardia grandiflora
Bosser
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Calcul du tissu écologique de Beclardia grandiflora.
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Liste rouge IUCN
EN · En dangercritères B1ab(i,ii,iii,iv,v)+2ab(i,ii,iii,iv,v)↘Décroissante- Évaluation
- 2021 · v3.1
- Altitude
- 1103 – 1211 m
- Profondeur
- – m
État de la populationTexte officiel évaluation IUCNExpert
The population of Beclardia grandiflora is currently thought to be decreasing since the species habitat is threatened. Moreover, the specimen taken on an individual within the footprint of a mining project undergoing intense human pressure such as forest clearing is now considered extirpated. The number of individual of B. grandiflora is not known and it is difficult to estimate since the species is an epiphyte.
Menaces identifiées(3 menaces classées CMP-IUCN)
3_2Mining & quarryingRapid DeclinesMajority (50-90%)Ongoing2_1_1Shifting agricultureUnknownMinority (<50%)Ongoing5_3_1Intentional use: (subsistence/small scale) [harvest]UnknownMinority (<50%)Ongoing
Description complète des menacesTexte détaillé évaluation IUCNExpert
Beclardia grandiflora undergoes continuing decline in EOO, AOO, habitat quality, number of locations and number of mature individuals due to habitat destruction namely mining, agricultural practices and logging. One specimen has been recorded within the footprint of the mining project.
Habitats préférentiels (classification IUCN)
1_6Forest - Subtropical/Tropical Moist Lowland
Mesures de conservation recommandéesStratégies de conservation IUCNExpert
Beclardia grandiflora occurs in three protected areas: Analamazaotra Special reserve, Ankeniheny Zahamena forest corridor (CAZ) and Mantadia. It is also listed in CITES Appendix II. One collection has been brought into cultivation in the Ambatovy shade house.
Actions de conservation (8)Conservation Actions Classification Scheme — IUCNExpert
1_1Site/area protection1_2Resource & habitat protection2_1Site/area management3_2Species recovery3_4_1Captive breeding/artificial propagation3_4_2Genome resource bank4_1Formal education4_3Awareness & communications
Stress écologiques (10)Stresses Classification — IUCNExpert
1_1Ecosystem conversion1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation2_1Species mortality2_1Species mortality2_1Species mortality2_2Species disturbance2_2Species disturbance2_2Species disturbance
Usage & commerce (1)Use & Trade — IUCNExpert
18Unknown
Priorités de recherche (6)Research Needed Classification — IUCNExpert
1_2Population size, distribution & trends1_5Threats1_6Actions2_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 (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).
- Madagascar Catalogue. 2020. <i>Beclardia grandiflora</i> Bosser. St Louis, U.S.A. and Antananarivo, Madagascar Available at: <a href="http://legacy.tropicos.org/Name/50111172?projectid=17">http://legacy.tropicos.org/Name/50111172?projectid=17</a>.
- 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>.
- 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).
- Bachman, S. and Moat, J. 2012. GeoCAT – an open source tool for rapid Red List assessments. <i>BGCI </i> 9(1).
- Philip, C. and Hermans J. 2009. <i>Field Guide to the Orchids of Madagascar</i>. Kew Publishing, Royal Botanic Gardens, Kew.
- Du Puy, D., Hermans, J and Hermans, C. 1999. <i>The Orchids of Madagascar</i>. Royal Botanic Gardens, Kew.
Évaluateurs & contributeurs (3)Personnes ayant contribué à l'évaluation IUCNExpert
Ramandimbisoa, B., Verlynde, S., Rajaovelona, L.R., Andriamahefarivo, L., Stévart, T. & Droissart, V. 2021. Beclardia grandiflora. The IUCN Red List of Threatened Species 2021: e.T68501363A68714570. Accessed on 05 May 2026.
Distribution mondiale
Phénologie
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