Lithocarpus jacobsii
Soepadmo
Pays · région · aire protégée · écorégion · biome
Graphe en cours d’indexation
Calcul du tissu écologique de Lithocarpus jacobsii.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 5s).
Liste rouge IUCN
VU · Vulnérablecritères A3c↘Décroissante- Évaluation
- 2025 · v3.1
- Altitude
- – 1300 m
- Profondeur
- – m
État de la populationTexte officiel évaluation IUCNExpert
Lithocarpus jacobsii occurs in a number of subpopulations in Brunei and Indonesian and Malaysian Borneo. The species is usually found as individual trees. Subpopulations outside of protected areas are threatened by land conversion for agriculture, and non targeted logging activities, with one site in Kalimantan threatened by mining. A population reduction of at least 30% is suspected over the next 100 years (less than three generations) based on habitat loss outside of protected areas and the possible loss of unprotected subpopualtions.
Menaces identifiées(3 menaces classées CMP-IUCN)
2_1_4Scale Unknown/UnrecordedOngoing3_2Mining & quarryingOngoing5_3_5Motivation Unknown/UnrecordedOngoing
Description complète des menacesTexte détaillé évaluation IUCNExpert
Subpopulations outside of protected areas are threatened by land conversion for agriculture, and non targeted logging activities/unintentional effects of logging activities as buffer zones (20 m) along rivers are not enforced in plantation areas. Mining is a threat in Kalimantan.
Habitats préférentiels (classification IUCN)
1_6Forest - Subtropical/Tropical Moist Lowland1_9Forest - Subtropical/Tropical Moist Montane
Mesures de conservation recommandéesStratégies de conservation IUCNExpert
Lithocarpus jacobsii 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. The species is present in Totally Protected Areas in Sabah and Sarawak.
Actions de conservation (2)Conservation Actions Classification Scheme — IUCNExpert
3_4_1Captive breeding/artificial propagation3_4_2Genome resource bank
Usage & commerce (1)Use & Trade — IUCNExpert
7Fuelssubsistance
Priorités de recherche (3)Research Needed Classification — IUCNExpert
1_2Population size, distribution & trends1_4Harvest, use & livelihoods1_5Threats
Niche IUCN globaleRealms · Systems · LMEs · Growth forms · FAOs — biogéographie IUCNExpert
Royaumes biogéographiques
Indomalayan
Systèmes (terrestre/eau douce/marin)
Terrestrial
Formes de croissance
Tree - large
Références bibliographiques (7)Sources scientifiques de l'évaluation IUCNExpert
- 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).
- 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>.
- 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>.
- 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>.
- GeoCAT. 2018. Geospatial conservation assessment tool (GeoCAT). Available at: <a href="http://geocat.kew.org">http://geocat.kew.org</a>. (Accessed: 2018/08/03).
- Cannon, C.H., Jr. 2000. Macroevolutionary and phylogeographic studies of <i>Lithocarpus</i> (Fagaceae): Gene flow and morphological evolution in a tropical tree. Department of Botany, Duke University.
- Soepadmo, E. and van Steenis, C.G.G.J. 1972. <i>Flora Malesiana - Series 1, Spermatophyta Volume 7 Fagaceae</i>. Noordhoff-Kolff, Jakarta.
Évaluateurs & contributeurs (3)Personnes ayant contribué à l'évaluation IUCNExpert
assessor
Strijk, J.S., Ling, C.Y., Khoo, E. & Julia, S.
contributor
Fowler, K. & Barstow, M.
evaluator
Robiansyah, I.
Strijk, J.S., Ling, C.Y., Khoo, E. & Julia, S. 2025. Lithocarpus jacobsii. The IUCN Red List of Threatened Species 2025: e.T138596050A225149811. Accessed on 05 May 2026.
Distribution mondiale
Calcul de la distribution GBIF· ~10–60 s
Phénologie
Calcul du calendrier d'apparition· ~5–30 s