Ontologia

Macrozamia cranei

D.L.Jones & P.I.Forst.

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

Graphe en cours d’indexation

Calcul du tissu écologique de Macrozamia cranei.

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

Liste rouge IUCN

EN · En dangercritères C1Décroissante
Évaluation complète
Évaluation
2022 · v3.1
Altitude
400600 m
Profondeur
m
État de la populationExpert
This species is found in seven subpopulations with an estimated minimum number of 2,139 adult plants.

Menaces identifiées(4 menaces classées CMP-IUCN)

  • 2_2_2
    Agro-industry plantations
    UnknownUnknownOngoing
  • 5_2_1
    Intentional use (species is the target)
    UnknownUnknownUnknown
  • 7_1_1
    Increase in fire frequency/intensity
    UnknownUnknownUnknown
  • 2_1_4
    Scale Unknown/Unrecorded
    Ongoing
Description complète des menacesExpert
This species is threatened by land clearing for agricultural development. It is suspected that timber harvesting, inappropriate fire regimes, inappropriate legal collection practices and illegal collection may also threaten this species and degrade its habitat.

Habitats préférentiels (classification IUCN)

  • 1_5Forest - Subtropical/Tropical Dry
  • 2_1Savanna - Dry
  • 6Rocky areas (eg. inland cliffs, mountain peaks)
Mesures de conservation recommandéesExpert
This species is listed in Appendix II of the CITES Appendices. An education and awareness programme as well as the long-term monitoring of subpopulations will support the conservation of this species.
Actions de conservation (2)Expert
  • 1_1Site/area protection
  • 4_3Awareness & communications
Stress écologiques (8)Expert
  • 1_1Ecosystem conversion
  • 1_1Ecosystem conversion
  • 1_2Ecosystem degradation
  • 1_3Indirect ecosystem effects
  • 2_1Species mortality
  • 2_2Species disturbance
  • 2_3_6Skewed sex ratios
  • 2_3_7Reduced reproductive success
Priorités de recherche (3)Expert
  • 1_2Population size, distribution & trends
  • 1_3Life history & ecology
  • 1_6Actions
Niche IUCN globaleExpert

Royaumes biogéographiques

Australasian

Systèmes (terrestre/eau douce/marin)

Terrestrial

Formes de croissance

CycadShrub - small
Références bibliographiques (9)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. IUCN. 2022. The IUCN Red List of Threatened Species. Version 2022-1. Available at: <a href="www.iucnredlist.org">www.iucnredlist.org</a>. (Accessed: 21 July 2022).
  3. Queensland Herbarium. 2007. National Multi-species Recovery Plan for the cycads, <i>Cycas megacarpa, Cycas ophiolitica, Macrozamia cranei, Macrozamia lomandroides, Macrozamia pauli-guilielmi</i> and <i>Macrozamia platyrhachis</i>. Report to Department of the Environment and Water Resources, Canberra. Queensland Parks and Wildlife Service, Brisbane.
  4. Donaldson, J.S. (ed.). 2003. <i>Cycads. Status Survey and Conservation Action Plan</i>. IUCN/SSC Cycad Specialist Group. IUCN, Gland, Switzerland and Cambridge, UK.
  5. Whitelock, L.M. 2002. <i>The Cycads</i>. Timber Press, Portland, Oregon.
  6. Hill, K. and Osborne, R. 2001. <i>Cycads of Australia</i>.
  7. Hill, K.D. and Stevenson, D.W. 1998-2006. The Cycad Pages. Available at: <a href="http://plantnet.rbgsyd.gov.au/PlantNet/cycad/">http://plantnet.rbgsyd.gov.au/PlantNet/cycad/</a>.
  8. Jones, D.L. and Forster, P.I. 1994. Seven new species of <i>Macrozamia</i> section <i>Parazamia</i> (Miq.) Miq. (Zamiaceae section <i>Parazamia</i>) from Queensland. <i>Austrobaileya</i> 4(2): 269-288.
  9. Jones, D.L. 1993. <i>Cycads of the World</i>. Reed, New Holland, Frenchs Forest, N.S.W., Australia.
Évaluateurs & contributeurs (3)Expert
assessor
Bösenberg, J.D.
contributor
Forster, P.
evaluator
Donaldson, J.S.
1 erratum publié après l'évaluation.

Bösenberg, J.D. 2022. Macrozamia cranei (errata version published in 2023). The IUCN Red List of Threatened Species 2022: e.T41961A243389102. 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

Cartographie

Bibliographie