Juglans steyermarkii
W.E.Manning
Pays · région · aire protégée · écorégion · biome
Graphe en cours d’indexation
Calcul du tissu écologique de Juglans steyermarkii.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 5s).
Liste rouge IUCN
EN · En dangercritères B2ab(ii,iii,iv)↘Décroissante- Évaluation
- 2021 · v3.1
- Altitude
- 1500 – 2200 m
- Profondeur
- – m
État de la populationTexte officiel évaluation IUCNExpert
This is an endemic tree species found in montane forests. Collections include Huehuetenango, Chimaltenango and Solola (Stone et al. 2009, MacVean 2009).
Menaces identifiées(4 menaces classées CMP-IUCN)
1_1Housing & urban areasOngoing2_1_1Shifting agricultureOngoing5_3_1Intentional use: (subsistence/small scale) [harvest]Ongoing7_1_1Increase in fire frequency/intensityOngoing
Description complète des menacesTexte détaillé évaluation IUCNExpert
This tree grows in the montane forests that have experienced ongoing land degradation (Kappelle 2006). The major threats for this tree species are logging as well as fires, the growth of human settlements and agriculture.
Habitats préférentiels (classification IUCN)
1_9Forest - Subtropical/Tropical Moist Montane
Mesures de conservation recommandéesStratégies de conservation IUCNExpert
This rare tree is known from one ex situ collection only (BGCI 2020).
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_1Ecosystem conversion1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation2_1Species mortality2_1Species mortality2_1Species mortality2_1Species mortality
Usage & commerce (2)Use & Trade — IUCNExpert
1Food - humansubsistance9Construction or structural materialssubsistance
Priorités de recherche (3)Research Needed Classification — IUCNExpert
1_2Population size, distribution & trends1_3Life history & ecology1_5Threats
Niche IUCN globaleRealms · Systems · LMEs · Growth forms · FAOs — biogéographie IUCNExpert
Royaumes biogéographiques
Neotropical
Systèmes (terrestre/eau douce/marin)
Terrestrial
Formes de croissance
Tree - large
Références bibliographiques (8)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).
- GBIF. 2020. Global Biodiversity Information Facility. Available at: <a href=" http://data.gbif.org/"> http://data.gbif.org/</a>. (Accessed: 2020).
- BGCI. 2020. Plant Search. London, Botanical Garden Conservation International Available at: <a href="https://tools.bgci.org/plant_search">https://tools.bgci.org/plant_search</a>. (Accessed: July 2020).
- Stone, D.,Oh. S, Tripp. E., Rios, L. and Manos, P. 2009. Natural history, distribution, phylogenetic relations and conservation of Central American black walnuts (Juglans sect.Rhysocaryon). <i>Journal of the Torrey Botanical Society</i> 136(1): 1-25.
- Stone D. E. 2009. Juglandaceae. <i>Flora Mesoamericana</i> 2: 1-24.
- MacVean, Ana Lucrecia. 2009. <i>Plants of the Montane Forests, Guatemala</i>. Universidad del Valle de Guatemala, Guatemala.
- Kappelle, M. 2006. <i>Ecology and conservation of neotropical montaneoak forests</i>. Springer, Berlin.
- Manning, W.E. 1957. The genus <i>Juglans </i>in Mexico and Central America. <i>Journal of Arnold Arboretum</i> 38(2): 121-151.
Évaluateurs & contributeurs (2)Personnes ayant contribué à l'évaluation IUCNExpert
assessor
MacVean, A.L.
evaluator
Kozlowski, G.
MacVean, A.L. 2021. Juglans steyermarkii. The IUCN Red List of Threatened Species 2021: e.T66813854A66813903. Accessed on 05 May 2026.
Distribution mondiale
Calcul de la distribution GBIF· ~10–60 s
Phénologie
Calcul du calendrier d'apparition· ~5–30 s