Ontologia

Ptychosperma schefferi

Becc. ex Martelli

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

Graphe en cours d’indexation

Calcul du tissu écologique de Ptychosperma schefferi.

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

Liste rouge IUCN

CR · En danger critiquecritères B2ab(iii)?Inconnue
Évaluation complète
Évaluation
2023 · v3.1
Altitude
020 m
Profondeur
m
État de la populationExpert

Population information is not available for this species. The species is known from very few records, which are distantly located from each other. Therefore, the species is considered to be severely fragmented as the subpopulations may be unable to support each other via genetic transfer and exchange of genetic material.

Menaces identifiées(1 menace classée CMP-IUCN)

  • 5_3_5
    Motivation Unknown/Unrecorded
    Causing/Could cause fluctuationsMinority (<50%)Ongoing
Description complète des menacesExpert
Ptychosperma schefferi is known from only two sites where it is threatened by logging concessions. Additional localities have not been found through subsequent fieldwork.

Habitats préférentiels (classification IUCN)

  • 1_6Forest - Subtropical/Tropical Moist Lowland
Mesures de conservation recommandéesExpert

No known conservation actions are associated with this species. It is not known to be conserved ex situ (BGCI 2022).

Actions de conservation (2)Expert
  • 1_1Site/area protection
  • 1_2Resource & habitat protection
Stress écologiques (2)Expert
  • 1_1Ecosystem conversion
  • 1_2Ecosystem degradation
Priorités de recherche (1)Expert
  • 1_2Population size, distribution & trends
Niche IUCN globaleExpert

Royaumes biogéographiques

Australasian

Systèmes (terrestre/eau douce/marin)

Terrestrial

Formes de croissance

Tree - small
Références bibliographiques (7)Expert
  1. IUCN. 2023. The IUCN Red List of Threatened Species. Version 2023-1. Available at: <a href="www.iucnredlist.org">www.iucnredlist.org</a>. (Accessed: 07 December 2023).
  2. BGCI. 2022. Botanic Gardens Conservation International (BGCI) - PlantSearch. Available at: <a href="https://tools.bgci.org/plant_search.php">https://tools.bgci.org/plant_search.php</a>. (Accessed: 2022).
  3. POWO. 2021. Plants of the world. England Available at: <a href="http://powo.science.kew.org/">http://powo.science.kew.org/</a>. (Accessed: 31 agosto 2021).
  4. GBIF. 2021. GBIF | Global Biodiversity Information Facility. Available at: <a href="https://www.gbif.org/">https://www.gbif.org/</a>.
  5. PNGPlants. 2018. PNGplants Database: Plant Collections from Papua New Guinea. Available at: <a href="http://www.pngplants.org/search.htm">http://www.pngplants.org/search.htm</a>.
  6. Baker, W.J. and Dransfield, J. 2006. <i>Field Guide to the Palms of New Guinea</i>. Royal Botanic Gardens, Kew, London.
  7. Dowe, J.L and Ferrero, M.D. 2001. Revision of <i>Calyptrocalyx</i> and the New Guinea species of <i>Linospadix</i> (Linospadicinae: Arecoideae: Arecaceae). <i>Blumea</i> 46: 207-251.
Évaluateurs & contributeurs (3)Expert
assessor
Jimbo, T. & Turner, J.
contributor
Baker, W.J.
evaluator
Barstow, M.

Jimbo, T. & Turner, J. 2023. Ptychosperma schefferi. The IUCN Red List of Threatened Species 2023: e.T214157961A214651005. 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