Ontologia

Castanopsis chapaensis

Luong

CRLR Monde (IUCN)
Pays · région · aire protégée · écorégion · biome

Graphe en cours d’indexation

Calcul du tissu écologique de Castanopsis chapaensis.

Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 5s).

Liste rouge IUCN

CR · En danger critiquecritères B1ab(iii,v)+2ab(iii,v)Décroissante
Évaluation complète
Évaluation
2025 · v3.1
Altitude
1300 m
Profondeur
m
État de la populationExpert
Castanopsis chapaensis is only know from the extreme north of Viet Nam, where it occurs in small numbers close to the border with China. The region has seen extensive deforestation and habitat conversion for agriculture and tourism. Sites outside protected areas may no longer hold any individuals of this species.

Menaces identifiées(3 menaces classées CMP-IUCN)

  • 1_3
    Tourism & recreation areas
    Ongoing
  • 2_1_4
    Scale Unknown/Unrecorded
    Ongoing
  • 5_3_5
    Motivation Unknown/Unrecorded
    Ongoing
Description complète des menacesExpert
The main threats to this species are habitat destruction due to deforestation for logging, urbanization (tourist development) and agriculture.

Habitats préférentiels (classification IUCN)

  • 1_9Forest - Subtropical/Tropical Moist Montane
Mesures de conservation recommandéesExpert
Castanopsis chapaensis is not listed in any ex situ collections on BGCI (2020). Recommended conservation actions include sustainable collection and conservation in ex situ sites as well as additional research on the species to better understand its population size, trends, and threats.
Actions de conservation (2)Expert
  • 3_4_1Captive breeding/artificial propagation
  • 3_4_2Genome resource bank
Usage & commerce (1)Expert
  • 7Fuels
    subsistance
Priorités de recherche (3)Expert
  • 3_1Population trends
  • 3_2Harvest level trends
  • 3_4Habitat trends
Niche IUCN globaleExpert

Royaumes biogéographiques

Indomalayan

Systèmes (terrestre/eau douce/marin)

Terrestrial

Formes de croissance

Tree - small
Références bibliographiques (6)Expert
  1. IUCN. 2025. The IUCN Red List of Threatened Species. Version 2025-2. Available at: <a href="www.iucnredlist.org">www.iucnredlist.org</a>. (Accessed: 10 October 2025).
  2. WCSP. 2020. World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Available at: <a href="https://wcsp.science.kew.org/home.do">https://wcsp.science.kew.org/home.do</a>.
  3. Strijk, J.S. 2020. AsianFagaceae.com - The complete database for Information on the evolutionary history, diversity, identification and conservation of over 700 species of Asian trees. Available at: <a href="http://www.asianfagaceae.com">http://www.asianfagaceae.com</a>.
  4. BGCI. 2018. Botanic Gardens Conservation International (BGCI) - Plant Search. Available at: <a href="https://www.bgci.org/plant_search.php">https://www.bgci.org/plant_search.php</a>.
  5. GeoCAT. 2018. Geospatial conservation assessment tool (GeoCAT). Available at: <a href="http://geocat.kew.org">http://geocat.kew.org</a>. (Accessed: 2018/08/03).
  6. Bình, V.Đ. and Lợi, N.V. 2018. Đặc điểm sinh học và phân bố của cây sến trung (<i>Homalium ceylanicum</i> (Gardner) Benth) trong rừng tự nhiên ở Phú Lộc và Nam Đông, tỉnh thừa Thiên Huế. <i>Hue University Journal Of Science: Agriculture And Rural Development</i> 127(3a): 67-80.
Évaluateurs & contributeurs (2)Expert
assessor
Strijk, J.S. & Ngoc, N.V.
evaluator
Fowler, K.

Strijk, J.S. & Ngoc, N.V. 2025. Castanopsis chapaensis. The IUCN Red List of Threatened Species 2025: e.T138592481A225152314. Accessed on 05 May 2026.

Répartition mondiale (heatmap GBIF)Construction en cours

0 obs · 0 cellules
Construction par partitions temporelles GBIF0%

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km). Filtre qualité : précision coordonnée < 10 km. Coloration quantile (q50/70/90/99). Fond carte : OpenFreeMap · © OpenStreetMap.

Distribution mondiale

Calcul de la distribution GBIF· ~10–60 s

Phénologie

Calcul du calendrier d'apparition· ~5–30 s

Consulter sur les bases externes

Observations & statuts

Bibliographie