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Astelia waialealae 

Scope:Global
Status_ne_offStatus_dd_offStatus_lc_offStatus_nt_offStatus_vu_offStatus_en_offStatus_cr_onStatus_ew_offStatus_ex_off

Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Liliopsida Liliales Asteliaceae

Scientific Name: Astelia waialealae
Species Authority: Wawra

Assessment Information [top]

Red List Category & Criteria: Critically Endangered D ver 3.1
Year Published: 2003
Date Assessed: 2003-04-30
Annotations:
Needs updating
Assessor(s): Bruegmann, M.M. & Caraway, V.
Reviewer(s): Maunder, M. (Plant Conservation Committee) & Dickinson, T. (Red List Programme Office)
Justification:
Astelia waialealae is endemic to the montane bogs on the central plateau of the island of Kauai in the state of Hawaii. Three subpopulations have been recorded, with probably less than 10 mature individuals. In recent years most of the bogs have been heavily damaged by feral pigs. Alien weeds also pose a threat.

Geographic Range [top]

Range Description: Found only within the Alakai Swamp area of Kauai. Three subpopulations are known, with a total population of probably less than 10 mature individuals. clones but all but one or two declining rapidly in vigor.
Countries occurrence:
Native:
United States (Hawaiian Is.)
Range Map: Click here to open the map viewer and explore range.

Habitat and Ecology [top]

Habitat and Ecology: A rhizomatous perennial herb of montane bogs set within wet forests in the cloud zone on the central plateau of the island.
Systems: Terrestrial

Threats [top]

Major Threat(s): In recent years most of the bogs have been heavily damaged by feral pigs. Alien weeds also pose a threat.

Conservation Actions [top]

Conservation Actions: All remaining individuals are within small fenced, weeded, and monitored areas.

Classifications [top]

5. Wetlands (inland) -> 5.4. Wetlands (inland) - Bogs, Marshes, Swamps, Fens, Peatlands
suitability: Suitable  
2. Land/water management -> 2.1. Site/area management

In-Place Research, Monitoring and Planning
In-Place Land/Water Protection and Management
In-Place Species Management
In-Place Education
8. Invasive & other problematic species & genes -> 8.1. Invasive non-native/alien species -> 8.1.1. Unspecified species
♦ timing: Ongoing    
→ Stresses
  • 1. Ecosystem stresses -> 1.2. Ecosystem degradation
  • 2. Species Stresses -> 2.1. Species mortality
  • 2. Species Stresses -> 2.3. Indirect species effects -> 2.3.2. Competition

8. Invasive & other problematic species & genes -> 8.1. Invasive non-native/alien species -> 8.1.2. Named species (Sus domesticus)
♦ timing: Ongoing    
→ Stresses
  • 1. Ecosystem stresses -> 1.2. Ecosystem degradation

Bibliography [top]

IUCN. 2003. 2003 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 18 November 2003.

NatureServe. 2003. NatureServe Explorer: An online encyclopedia of life [web application]. Version 1.8. NatureServe, Arlington, Virginia. (Accessed: October 17, 2003).

U.S. Fish and Wildlife Service. 2003. Rare plant database. Unpublished.

Wagner, W., Herbst, D. and Sohmer S. 1999. Manual of the Flowering Plants of Hawaii. Bernice Pauahi Bishop Museum Special Publication 91: 1-1918.


Citation: Bruegmann, M.M. & Caraway, V. 2003. Astelia waialealae. The IUCN Red List of Threatened Species 2003: e.T44079A10849085. . Downloaded on 12 February 2016.
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