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Macrozamia cardiacensis 

Scope: Global
Language: English
Status_ne_offStatus_dd_offStatus_lc_offStatus_nt_offStatus_vu_onStatus_en_offStatus_cr_offStatus_ew_offStatus_ex_off

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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Cycadopsida Cycadales Zamiaceae

Scientific Name: Macrozamia cardiacensis P.I.Forst. & D.L.Jones

Assessment Information [top]

Red List Category & Criteria: Vulnerable D2 ver 3.1
Year Published: 2010
Date Assessed: 2009-10-31
Assessor(s): Forster, P.
Reviewer(s): Donaldson, J.S. & Bösenberg, J.D.
Justification:
Originally classified as Least Concern, but qualifies for Vulnerable (VU) status based on very small area of occupancy (the extent of occurrence is only 14 km²). Classified as VU D2 due to the narrow distribution and presence at only two locations.
Previously published Red List assessments:

Geographic Range [top]

Range Description:This species is endemic to southeastern Queensland, Australia where they occur in the Mount Walsh National Park. Recorded between 500 and 640 m asl.
Countries occurrence:
Native:
Australia (Queensland)
Additional data:
Number of Locations:2
Lower elevation limit (metres):500
Upper elevation limit (metres):640
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:This species is known from two subpopulations, forming one large metapopulation, with overall numbers less than 50,000.
Current Population Trend:Stable
Additional data:
Number of mature individuals:10000-50000
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:Plants form extensive colonies on precipitous slopes in open forest dominated by Eucalyptus acmenoides and E. major.
Systems:Terrestrial
Generation Length (years):60

Threats [top]

Major Threat(s): The threats to this species are unknown.

Conservation Actions [top]

Conservation Actions: This species is listed on Appendix II of the CITES Appendices. All known plants occur within the Mount Walsh National Park.

Classifications [top]

1. Forest -> 1.4. Forest - Temperate
suitability:Suitable  
4. Education & awareness -> 4.3. Awareness & communications

In-Place Research, Monitoring and Planning
In-Place Land/Water Protection and Management
  Occur in at least one PA:Yes
In-Place Species Management
In-Place Education
  Included in international legislation:Yes
  Subject to any international management/trade controls:Yes
1. Research -> 1.3. Life history & ecology

Bibliography [top]

Donaldson, J.S. (ed.). 2003. Cycads. Status Survey and Conservation Action Plan. IUCN/SSC Cycad Specialist Group. IUCN, Gland, Switzerland and Cambridge, UK.

Forster, P. 2007. E-mail.

Hill, K.D. and Stevenson, D.W. 1998-2006. The Cycad Pages. Available at: http://plantnet.rbgsyd.gov.au/PlantNet/cycad/.

IUCN. 2010. IUCN Red List of Threatened Species (ver. 2010.3). Available at: http://www.iucnredlist.org. (Accessed: 2 September 2010).

Jones, D.L. 1993. Cycads of the World. Reed, New Holland, Frenchs Forest, N.S.W., Australia.

Whitelock, L.M. 2002. The Cycads. Timber Press, Portland, Oregon.


Citation: Forster, P. 2010. Macrozamia cardiacensis. The IUCN Red List of Threatened Species 2010: e.T41997A10600946. . Downloaded on 21 September 2018.
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