Quercus flocculenta
C.H.Mull.
Pays · région · aire protégée · écorégion · biome
Graphe en cours d’indexation
Calcul du tissu écologique de Quercus flocculenta.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 5s).
Liste rouge IUCN
EN · En dangercritères B1ab(iii)+2ab(iii)?Inconnue- Évaluation
- 2020 · v3.1
- Altitude
- 2000 – 2900 m
- Profondeur
- – m
État de la populationTexte officiel évaluation IUCNExpert
This species grows as isolated trees in pine and oak forests on the Potosí hill in the municipality of Galeana, Nuevo León (J. Encina pers. comm. 2017). Although there has been no quantitative study on the population size and trends of Quercus flocculenta's population, it is known to be restricted geographically. It can be a dominant species for cover, but is not always dominant where it is found (Conde Vazquez 2011).
Menaces identifiées(2 menaces classées CMP-IUCN)
1_1Housing & urban areasUnknownUnknownOngoing5_3_3Unintentional effects: (subsistence/small scale) [harvest]UnknownUnknownOngoing
Description complète des menacesTexte détaillé évaluation IUCNExpert
Quercus flocculenta is threatened by the logging of timber species in its habitat, as it causes habitat degradation, as well as human induced fires. Quercus flocculenta is found near the growing urban area of Monterrey, where urban expansion and land use change threatens Q. flocculenta's natural habitat. Much of Q. flocculenta's habitat is located on private properties, although this often means that the individuals in those populations are protected from harvesting, but it also implies they cannot be accessed for collecting or monitoring the population size (J. Encina pers. comm. 2017).
Habitats préférentiels (classification IUCN)
1_4Forest - Temperate★3_4Shrubland - Temperate★
Mesures de conservation recommandéesStratégies de conservation IUCNExpert
Quercus flocculenta is found in the Cumbres de Monterrey National Park. It is considered a priority region and an important area for bird conservation because of its vicinity to El Taray reserve (a parrot reserve in the mountains in the east). Much of Q. flocculenta's habitat is located on private properties, although this often means that the individuals in those populations are protected from harvesting, but it also implies they cannot be accessed for collecting or monitoring the population size (J. Encina pers. comm. 2017). There are currently no ex situ collections for Q. flocculenta (BGCI 2017).
Actions de conservation (1)Conservation Actions Classification Scheme — IUCNExpert
3_4_2Genome resource bank
Stress écologiques (7)Stresses Classification — IUCNExpert
1_1Ecosystem conversion1_1Ecosystem conversion1_2Ecosystem degradation1_2Ecosystem degradation2_1Species mortality2_2Species disturbance2_2Species disturbance
Priorités de recherche (2)Research Needed Classification — IUCNExpert
1_2Population size, distribution & trends3_1Population trends
Niche IUCN globaleRealms · Systems · LMEs · Growth forms · FAOs — biogéographie IUCNExpert
Royaumes biogéographiques
Nearctic
Systèmes (terrestre/eau douce/marin)
Terrestrial
Formes de croissance
Shrub - largeTree - small
Références bibliographiques (8)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).
- IUCN. 2018. The IUCN Red List of Threatened Species. Version 2018-1. Available at: <a href="www.iucnredlist.org">www.iucnredlist.org</a>. (Accessed: 28 June 2018).
- BGCI. 2017. PlantSearch. Available at: <a href="www.bgci.org/plant_search.php">www.bgci.org/plant_search.php</a>.
- Elias Rodriguez, J.L.A. 2015. Curvas de Crecimiento e Incremento de Cuatro Pinaceas en el Noreste de Mexico. Divison de Agronomia, Departamento Forestal, Universidad Autonoma Agraria Antonio Narro.
- Modley, R. 2012. Protecting the biodiversity of the Sierra Madre Oriental. Available at: <a href="https://www.giz.de/en/worldwide/25056.html">https://www.giz.de/en/worldwide/25056.html</a>.
- Vazquez, A.C. 2011. Ecología de Comunidades Vegetales en un Gradiente Altitudinal en la Sierra Madre Oriental, Nuevo León, México. Ciencias Forestales, Universidad Autonoma de Nuevo Leon.
- UNESCO - MAB. 2006. Biosphere Reserve Information, Mexico, Cumbres De Monterrey. Available at: <a href="http://www.unesco.org/mabdb/br/brdir/directory/biores.asp?mode=all&code=MEX+21">http://www.unesco.org/mabdb/br/brdir/directory/biores.asp?mode=all&code=MEX+21</a>.
- Muller, C.H. 1939. Relations of the vegetation and climatic types in Nuevo Leon, Mexico. <i>The American Midland Naturalist</i> 21(3): 687-729.
Évaluateurs & contributeurs (3)Personnes ayant contribué à l'évaluation IUCNExpert
assessor
Jerome, D. & Beckman, E.
contributor
Encina, J.
evaluator
Samain, M.-S. & Rivers, M.C.
⚠ 1 erratum publié après l'évaluation.
Jerome, D. & Beckman, E. 2020. Quercus flocculenta (amended version of 2018 assessment). The IUCN Red List of Threatened Species 2020: e.T78917120A173545789. Accessed on 05 May 2026.
Distribution mondiale
Calcul de la distribution GBIF· ~10–60 s
Phénologie
Calcul du calendrier d'apparition· ~5–30 s
Consulter sur les bases externes
Note nomenclaturale & synonymesDétails taxonomiques + synonymes CoLExpert
Note nomenclaturale
TAXREF v18 — INPN/MNHNSynonymes (3)— redirigent vers cette page
- Quercus flocculenta f. incisaC.H.Mull.
- Quercus flocculenta f. oblongifoliaC.H.Mull.
- Quercus flocculenta var. typicaA.Camus
Sources : Catalogue of Life Cross-References (synonymes) · TAXREF v18 INPN/MNHN (commentaires FR).