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Macrozamia parcifolia 

Scope: Global
Language: English
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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Cycadopsida Cycadales Zamiaceae

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

Assessment Information [top]

Red List Category & Criteria: Vulnerable C1; 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:
Qualifies for a Vulnerable listing in terms of its small estimated population size (2,500 plants) with a continuing decline of 10-20% over the past 50 years and small area of occupancy (20 km²) and number of threats which should they increase could drive this species very quickly to an Endangered or Critically Endangered status.
Previously published Red List assessments:

Geographic Range [top]

Range Description:This species occurs in scattered stands near Biggenden and Seaview Range in the Wild Bay district of Queensland, Australia. Recorded from elevations between 60 and 220 m.
Countries occurrence:
Native:
Australia (Queensland)
Additional data:
Estimated area of occupancy (AOO) - km2:20
Number of Locations:2
Lower elevation limit (metres):60
Upper elevation limit (metres):220
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:This species is known from only two locations and has a small population of between 1,000 and 2,500 mature individuals.
Current Population Trend:Decreasing
Additional data:
Number of mature individuals:1000-2500
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:M. parcifolia is an uncommon species occurring in scattered stands on shallow clay-loams derived from basalt. They occur in the under-storey on ridges and in tall open forest dominated by eucalypts.
Systems:Terrestrial
Generation Length (years):60

Threats [top]

Major Threat(s): The main threats to M. parcifolia are loss and damage through forestry operations; inappropriate fire regimes, which kill surface seed and young seedlings; failure of the insect pollination mutualism; and vulnerability to poaching (Hill and Osborne 2001). Regeneration of the species is limited as plants are slow-growing, seed is set intermittently, plants produce low amounts of seed, and seed have limited dispersal (Jones 2002).

Conservation Actions [top]

Conservation Actions: This species is listed on Appendix II of the CITES Appendices. Plants occur in the Mount Walsh National Park and in State Forests.

Classifications [top]

1. Forest -> 1.4. Forest - Temperate
suitability:Suitable  
2. Land/water management -> 2.1. Site/area management
3. Species management -> 3.1. Species management -> 3.1.1. Harvest management
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
5. Biological resource use -> 5.2. Gathering terrestrial plants -> 5.2.1. Intentional use (species is the target)
♦ timing:Ongoing    
→ Stresses
  • 2. Species Stresses -> 2.1. Species mortality
  • 2. Species Stresses -> 2.3. Indirect species effects -> 2.3.8. Other

5. Biological resource use -> 5.3. Logging & wood harvesting -> 5.3.4. Unintentional effects: (large scale) [harvest]
    
→ Stresses
  • 1. Ecosystem stresses -> 1.1. Ecosystem conversion
  • 1. Ecosystem stresses -> 1.2. Ecosystem degradation

7. Natural system modifications -> 7.1. Fire & fire suppression -> 7.1.1. Increase in fire frequency/intensity
♦ timing:Ongoing    
→ Stresses
  • 1. Ecosystem stresses -> 1.2. Ecosystem degradation
  • 2. Species Stresses -> 2.3. Indirect species effects -> 2.3.4. Loss of pollinator

1. Research -> 1.2. Population size, distribution & trends
1. Research -> 1.3. Life history & ecology
1. Research -> 1.5. Threats
2. Conservation Planning -> 2.1. Species Action/Recovery Plan
3. Monitoring -> 3.1. Population trends

♦  Pets/display animals, horticulture
 National : ✓  International : ✓ 

Bibliography [top]

Hill, K. and Osborne, R. 2001. Cycads of Australia. Simon and Schuster, Chatswood.

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. 2002. Cycads of the World (2nd edition). Smithsonian Institute Press, Washington, DC.

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


Citation: Forster, P. 2010. Macrozamia parcifolia. The IUCN Red List of Threatened Species 2010: e.T41966A10612374. . Downloaded on 20 September 2018.
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