Betula gynoterminalis
Y.C.Hsu & C.J.Wang
Pays · région · aire protégée · écorégion · biome
Graphe en cours d’indexation
Calcul du tissu écologique de Betula gynoterminalis.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 5s).
Liste rouge IUCN
CR · En danger critiquecritères D?Inconnue- Évaluation
- 2014 · v3.1
- Altitude
- 2600 – 2600 m
- Profondeur
- – m
État de la populationTexte officiel évaluation IUCNExpert
This species is only known from one locality. No recent surveys have reported finding this species. Field studies are required to determine if this species still exists in the wild and if so, to determine size and whether it is found in other localities.
Menaces identifiées(1 menace classée CMP-IUCN)
5_3_1Intentional use: (subsistence/small scale) [harvest]Ongoing
Description complète des menacesTexte détaillé évaluation IUCNExpert
The forests of north west Yunnan are under threat from increased wood collection for fuel and building supplies and loss of habitat due to increasing development and poverty. If subpopulations of this species do remain, it is likely that they are under increasing threat.
Habitats préférentiels (classification IUCN)
1_9Forest - Subtropical/Tropical Moist Montane
Mesures de conservation recommandéesStratégies de conservation IUCNExpert
There are no reported conservation actions in place for this species. If subpopulations of this species are located, both in situ and ex situ conservation should be implemented.
Actions de conservation (2)Conservation Actions Classification Scheme — IUCNExpert
1_1Site/area protection3_4_2Genome resource bank
Stress écologiques (2)Stresses Classification — IUCNExpert
1_2Ecosystem degradation2_1Species mortality
Niche IUCN globaleRealms · Systems · LMEs · Growth forms · FAOs — biogéographie IUCNExpert
Royaumes biogéographiques
Palearctic
Systèmes (terrestre/eau douce/marin)
Terrestrial
Formes de croissance
Tree - small
Références bibliographiques (5)Sources scientifiques de l'évaluation IUCNExpert
- IUCN. 2014. The IUCN Red List of Threatened Species. Version 2014.3. Available at: <a href="www.iucnredlist.org">www.iucnredlist.org</a>. (Accessed: 13 November 2014).
- Govaerts, R. 2013. World Checklist of Betulaceae. Facilitated by the Royal Botanic Gardens, Kew Available at: <a href="http://www.kew.org/wcsp/">http://www.kew.org/wcsp/</a>.
- Missouri Botanical Garden. 2013. Tropicos. Saint Louis, Missouri. Available at: <a href="www.tropicos.org">www.tropicos.org</a>.
- Ashburner, K. and McAllister, H.A. 2013. <i>The Genus </i>Betula<i>: A Taxonomic Revision of Birches</i>. Kew Publishing, Richmond, Surrey.
- eFloras. 2008. Flora of China. Available at: <a href="www.efloras.org">www.efloras.org</a>.
Évaluateurs & contributeurs (2)Personnes ayant contribué à l'évaluation IUCNExpert
assessor
Shaw, K., Roy , S. & Wilson, B.
evaluator
Oldfield, S. & Rivers, M.C.
Shaw, K., Roy , S. & Wilson, B. 2014. Betula gynoterminalis. The IUCN Red List of Threatened Species 2014: e.T51207935A51207939. Accessed on 05 May 2026.
Distribution mondiale
Calcul de la distribution GBIF· ~10–60 s
Phénologie
Calcul du calendrier d'apparition· ~5–30 s