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Macrozamia humilis 

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 humilis 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:
Listed as Vulnerable under criterion D2 due to its small area of occupancy and occurrence at a single site.This species would qualify for listing as as Critically Endangered (B1+2) if there was any evidence of decline.
Previously published Red List assessments:

Geographic Range [top]

Range Description:This is a rare species with a restricted natural distribution, being only known from the vicinity of Inverell in northern New South Wales, Australia. Recorded to occur at an elevation of 600 m asl.
Countries occurrence:
Native:
Australia (New South Wales)
Additional data:
Estimated area of occupancy (AOO) - km2:5
Number of Locations:1
Upper elevation limit (metres):600
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:This species is known to occupy an area of occupancy of less than five square kilometres and that the population size is fairly small with about 1,000 to 2,500 mature individuals.
Current Population Trend:Stable
Additional data:
Number of mature individuals:1000-2500
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:This species grows on low rises and gentle slopes near large granite boulders in stunted eucalypt woodland.
Systems:Terrestrial
Generation Length (years):60

Threats [top]

Major Threat(s): This species occurs within a restricted range and thus would be vulnerable to any threats (none are known at present).

Conservation Actions [top]

Conservation Actions: This species is listed on Appendix II of the CITES Appendices. Plants occur in the Goonoowigal State Conservation Area.

Classifications [top]

1. Forest -> 1.4. Forest - Temperate
suitability:Suitable  
2. Savanna -> 2.1. Savanna - Dry
suitability:Marginal  
0. Root -> 6. Rocky areas (eg. inland cliffs, mountain peaks)
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 -> 1.2. Population size, distribution & trends
1. Research -> 1.3. Life history & ecology
1. Research -> 1.6. Actions

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 humilis. The IUCN Red List of Threatened Species 2010: e.T41963A10587043. . Downloaded on 24 September 2018.
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