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Pittosporum coriaceum

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Taxonomy [top]

Kingdom Phylum Class Order Family
PLANTAE TRACHEOPHYTA MAGNOLIOPSIDA ROSALES PITTOSPORACEAE

Scientific Name: Pittosporum coriaceum
Species Authority: Dryand. ex Aiton

Assessment Information [top]

Red List Category & Criteria: Critically Endangered D ver 3.1
Year Published: 2013
Date Assessed: 2011-03-30
Assessor(s): Carvalho, J.A.
Reviewer(s): Fernandes, F. & Bilz, M.
Justification:
This species is endemic to Madeira  and is threatened by fires, landslides, and intrinsic factors. The total population counts between 40 and 50 individuals, is very small and fragmented with isolated individuals, but hase a stable population trend. It is assessed as Critically Endangered.
History:
1998 Critically Endangered (Oldfield et al. 1998)
1998 Critically Endangered

Geographic Range [top]

Range Description: This species is endemic to Madeira, Portugal, where it is only found on northern slopes (Fernandes et al. in: Martín et al. 2008). Its extent of occurrence is 477 km² (Commission of the European Communities 2009).
Countries:
Native:
Portugal (Madeira)
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: The total population counts between 40 and 50 individuals (Commission of the European Communities 2009). The populations are very small and fragmented with isolated individuals but have a stable population trend (Fernandes et al. in: Martín et al. 2008).
Population Trend: Stable

Habitat and Ecology [top]

Habitat and Ecology: This tree grows in deep ravines in laurisilva forests with Ocotea foetens (Fernandes et al. in: Martín et al. 2008, Morgan and Leon 1992). It is found in the Habitats Directive listed habitat 9360 "Macaronesian laurel forests (Laurus, Ocotea)" (Commission of the European Communities 2009).
Systems: Terrestrial

Threats [top]

Major Threat(s): The main threats are the disturbance of sensitive areas, fires and landslides. Several unfavourable intrinsic factors such as a low regeneration rate further reduce the survival chances of this species (Fernandes et al. in: Martín et al. 2008).

Conservation Actions [top]

Conservation Actions: Pittosporum coriaceum is listed as priority species on Annex II of the Habitats Directive and under Appendix I of the Convention on the Conservation of European Wildlife and Natural Habitats (Bern Convention).
The entire range is contained within the National Park of Madeira. Efforts are being made to propagate the species, with limited success. Species recovery and reintroduction programmes should continue, together with campaigns to raise public awareness. Biology and ecology, population dynamics, threats and impacts of conservation actions should be studied further (Fernandes et al. in: Martín et al. 2008).

Citation: Carvalho, J.A. 2013. Pittosporum coriaceum. The IUCN Red List of Threatened Species. Version 2014.3. <www.iucnredlist.org>. Downloaded on 17 December 2014.
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