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Aloe bussei

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Taxonomy [top]

Kingdom Phylum Class Order Family
PLANTAE TRACHEOPHYTA LILIOPSIDA LILIALES ALOACEAE

Scientific Name: Aloe bussei
Species Authority: A.Berger

Assessment Information [top]

Red List Category & Criteria: Vulnerable B1ab(iii,v)+2ab(iii,v) ver 3.1
Year Published: 2009
Date Assessed: 2006-11-04
Assessor(s): Eastern Arc Mountains & Coastal Forests CEPF Plant Assessment Project Participants
Reviewer(s): Beentje, H., Gereau, R., Kabuye, C., Kalema, J., Luke, Q., Lyaruu, H., Maunder, M., Mwachala, G., Ndangalasi, H., Njau, F., Schatz, G. & Wabuele, E. (East African Plants Red List Authority)
Justification:
Has an extent of occurrence of less than 20,000 km², there are 10 locations but it is also severely fragmented. Although there is no apparent decline at present, there is projected decline due to pressure from succulent collectors. There may also be impacts through clearance of the habitat by charcoal burners. The area of occupancy could be below the threshold for an Endangered listing, but that seems overly precautionary.
History:
1997 Indeterminate (Walter and Gillett 1998)

Geographic Range [top]

Range Description: Recorded from the following mountain ranges in Tanzania: Uluguru, Ukaguru and Udzungwa. In the Udzwungas presumably only occurs on the north facing slopes over-looking the Ruaha Dam
Countries:
Native:
Tanzania, United Republic of
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: Very localized but can occur in dense groups.
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: A fairly small succulent shrub growing on open granite rock slabs on small hills,with deciduous woodland and grasses on deeper soil. Also recorded from woodland with Brachystegia, Combretum, Sterculia, etc. with outcrops of bare rocks with Xerophyta and Aloe.
Systems: Terrestrial

Threats [top]

Major Threat(s): No major threats at present, but there is potential for the species to be impacted by succulent collectors. There may also be impacts through clearance of the habitat by charcoal burners.

Conservation Actions [top]

Conservation Actions: Is known to occur in a few protected areas:  Udzungwa Mountains National Park, Mkungwe Forest Reserve and in Nguru ya Ndege Forest Reserve.

Bibliography [top]

Carter, S. 1994. Aloaceae. In: R.M. Polhill (ed.), Flora of Tropical East Africa. A.A. Balkema, Rotterdam.

IUCN. 2009. IUCN Red List of Threatened Species (ver. 2009.2). Available at: www.iucnredlist.org. (Accessed: 3 November 2009).


Citation: Eastern Arc Mountains & Coastal Forests CEPF Plant Assessment Project Participants 2009. Aloe bussei. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 23 August 2014.
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