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Encephalartos dolomiticus

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Taxonomy [top]

Kingdom Phylum Class Order Family
PLANTAE TRACHEOPHYTA CYCADOPSIDA CYCADALES ZAMIACEAE

Scientific Name: Encephalartos dolomiticus
Species Authority: Lavranos & D.L.Goode
Common Name(s):
English Wolkberg Cycad
Synonym(s):
Encephalartos verrucosus Robbertse, Vorster & S.van der Westhuizen

Assessment Information [top]

Red List Category & Criteria: Critically Endangered A2d; C1 ver 3.1
Year Published: 2010
Date Assessed: 2009-10-31
Assessor(s): Donaldson, J.S.
Reviewer(s): Agenbag, L. & Bösenberg, J.D.
Justification:
Based on numbers in collections and ongoing decline in the wild, it is estimated that >80% of the plants have been removed from the wild in the past 90 years (three generations). The small overall population size and ongoing decline of ca. 30% over the next 30 years (one generation). Meeting both these requirements means that this species qualifies for listing as Critically Endangered under criteria A2 and C1.
History:
2003 Critically Endangered (IUCN 2003)
2003 Critically Endangered
1997 Endangered (Walter and Gillett 1998)

Geographic Range [top]

Range Description: This species occurs near Penge in the Drakensberg in southeastern Limpopo Province, South Africa. Recorded from 1,100 to 1,500 m asl.
Countries:
Native:
South Africa (Limpopo Province)
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: 158 plants were counted in helicopter surveys in 1993 and 151 plants in 2004. The latter included 17 newly discovered plants and implies a decline from 158 to 134 plants for the remainder (9% decline over 10 years).
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: This species occurs on grassland on shallow soils over dolomite ridges.
Systems: Terrestrial

Threats [top]

Major Threat(s): Illegal collection from wild populations has had a drastic effect on the number of plants in the wild. This may prevent reproduction from taking place.

Conservation Actions [top]

Conservation Actions: This species is listed on Appendix I of the CITES Appendices. This species possibly occurs in the Legalameetse Nature Reserve.

Citation: Donaldson, J.S. 2010. Encephalartos dolomiticus. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 25 July 2014.
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