|Scientific Name:||Limonium arborescens (Brouss. ex Webb & Berthel.) Kuntze|
Statice arborescens Brouss. ex Webb & Berthel.
|Red List Category & Criteria:||Near Threatened ver 3.1|
|Assessor(s):||Mesa Coello, R., Martín Cáceres, K., Santos Guerra, A., Oval de la Rosa, J.P., Acevedo Rodríguez, A. & Gutiérrez Díaz, A.|
|Reviewer(s):||Peraza Zurita, M.D. & Bilz, M.|
Limonium arborescens was severely affected by grazing pressure in the past and presents a restricted distribution. It is currently in expansion and therefore it is listed as Near Threatened.
Limonium arborescens is endemic to the islands of Tenerife and La Palma, the Canary Islands, Spain
Native:Spain (Canary Is.)
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||Population size was estimated in around 4,500 individuals (Mesa Coello et al. 2004, Commission of the European Communities 2009). Some subpopulations present expansive dynamics. In 2007, its total population size was estimated in 8,226 specimens (Gobierno de Canarias 2009).|
|Current Population Trend:||Increasing|
|Habitat and Ecology:||This shrub grows in cliffs and shady rocky slopes, on sites with some accumulation of humic soil. It occurs within the communities Soncho radicati-Aeonietum tabulaeformis and Artemisio thusculae-Rumicetum lunariae. Its altitudinal distribution range is wide, from the coast up to thermophile forests (Mesa Coello et al. 2004, Commission of the European Communities 2009). Frequent accompanying species are Artemisia thuscula, Rhamnus crenulata, Sonchus acaulis, Astydamia latifolia, Sideritis spp. and Hypericum spp.|
|Major Threat(s):||Main threats are natural competition with other species, grazing and stock trampling (Mesa Coello et al. 2004). Grazing pressure has decreased in the last years and it does not seem to currently threat the conservation of the species. A risk of hybridisation with the endemic species Limonium fruticans and gardening species present in surrounding areas exists. Seeds are frequently infested by parasites (insects). Changes in land use, construction of roads and competition with exotic species have been also reported as threats.|
It is listed as priority species on Annex II of the Habitat Directive and under Appendix I of the Convention on the Conservation of European Wildlife and Natural Habitats (Bern Convention). It is listed as species "de interés para los ecosistemas canarios" in the catalogue of protected species of the Canary Islands. It is classed EN A2ce in the Spanish Red List 2008 (Moreno 2008).
The subpopulations occur in the protected areas Paisaje Protegido Acantilados de La Culata (SCI), Sitio de Interés Científico de Interián (SCI), Paisaje Protegido Costa de Acentejo, Sitio de Interés Científico Barranco de Ruiz (SCI), Parque Rural de Teno (SCI) and Reserva Natural de Guelguén (SCI) (Mesa Coello et al. 2004).
Proposed measures include seed collection from every subpopulation and storage in germplasm banks, implementation of grazing species access control measures, and control of hybrid cultivars used in gardening in the island. Research is necessary to clarify taxonomical doubts about Limonium fruticans and Limonium arborescens.
|Citation:||Mesa Coello, R., Martín Cáceres, K., Santos Guerra, A., Oval de la Rosa, J.P., Acevedo Rodríguez, A. & Gutiérrez Díaz, A. 2011. Limonium arborescens. The IUCN Red List of Threatened Species 2011: e.T162063A5544829.Downloaded on 21 September 2017.|
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