Wittmackia caymanensis

(Britton ex L.B.Sm.) Aguirre-Santoro

Plante

CRLR Monde (IUCN)

Filtrer le graphe par contexte spatialPays · région · aire protégée · écorégion · biome

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Calcul du tissu écologique de Wittmackia caymanensis.

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Liste rouge IUCN

CR · En danger critiquecritères B1ab(i,ii,iii,iv,v)+2ab(i,ii,iii,iv,v)↘Décroissante

Évaluation complète

Évaluation: 2017 · v3.1
Altitude: 1 – 5 m
Profondeur: – m

État de la populationTexte officiel évaluation IUCNExpert

The only known population of this species is in southern George Town which is now in an advanced stage of residential development. This residential development has now fragmented the original population into three subpopulations. Currently we estimate there are between 400 and 500 individuals, 350 of which are mature individuals.

Menaces identifiées(4 menaces classées CMP-IUCN)

1_1
Housing & urban areas
Very Rapid DeclinesMajority (50-90%)Ongoing
1_2
Commercial & industrial areas
Very Rapid DeclinesMajority (50-90%)Ongoing
4_1
Roads & railroads
Very Rapid DeclinesMajority (50-90%)Ongoing
4_2
Utility & service lines
Very Rapid DeclinesMinority (<50%)Ongoing

Description complète des menacesTexte détaillé évaluation IUCNExpert

George Town's remaining fragments of natural forest are disappearing very rapidly, and Hohenbergia caymanensis is disappearing with them. The land on which this species grows is now highly valued for real estate. Most of the areas where the species used to be abundant are now covered with housing and landscapes of non-native plants.

Habitats préférentiels (classification IUCN)

1_5Forest - Subtropical/Tropical Dry

Mesures de conservation recommandéesStratégies de conservation IUCNExpert

Preservation of this species in its natural habitat should be the highest priority. This requires protection of the Ironwood Forest area in George Town. A conservation collection which has been established in the Queen Elizabeth II Botanic Park (QEIIBP) is derived from a few individuals and does not represent the genetic diversity still present in the wild. This collection should be expanded to serve as an effective conservation measure. Research is required to understand why this conservation collection is not reproducing and, in the meantime, seed banking is recommended urgently. This species is included in the Cayman Islands National Biodiversity Action Plan 2009 (Cottam et al. 2009).

Actions de conservation (6)Conservation Actions Classification Scheme — IUCNExpert

1_1Site/area protection
3_4_1Captive breeding/artificial propagation
3_4_2Genome resource bank
4_3Awareness & communications
5_1_2National level
5_2Policies and regulations

Stress écologiques (4)Stresses Classification — IUCNExpert

2_1Species mortality
2_1Species mortality
2_1Species mortality
2_1Species mortality

Priorités de recherche (4)Research Needed Classification — IUCNExpert

1_2Population size, distribution & trends
1_3Life history & ecology
2_1Species Action/Recovery Plan
3_4Habitat trends

Niche IUCN globaleRealms · Systems · LMEs · Growth forms · FAOs — biogéographie IUCNExpert

Royaumes biogéographiques

Neotropical

Systèmes (terrestre/eau douce/marin)

Terrestrial

Formes de croissance

EpiphyteLithophyte

Références bibliographiques (8)Sources scientifiques de l'évaluation IUCNExpert

IUCN. 2017. The IUCN Red List of Threatened Species. Version 2017-2. Available at: <a href="www.iucnredlist.org">www.iucnredlist.org</a>. (Accessed: 14 September 2017).
Aguirre-Santoro, J.A. 2015. Systematics and Evolution of the Ronnbergia Alliance (Bromeliaceae): History of Disjunct Diversification in Three Biodiversity Hotspots of the Neotropics. Graduate Center, City University of New York.
IUCN. 2014. The IUCN Red List of Threatened Species. Version 2014.1. Available at: <a href="www.iucnredlist.org">www.iucnredlist.org</a>. (Accessed: 12 June 2014).
Proctor, G.R. 2012. Flora of the Cayman Islands. Second Edition. Royal Botanic Gardens, Kew.
Bachman, S., Moat, J., Hill, A.W., de la Torre, J. and Scott, B. 2011. Supporting Red List threat assessments with GeoCAT: geospatial conservation assessment tool. In: V. Smith and L. Penev (eds) e-Infrastructures for data publishing in biodiversity science. Zookeys 150: 117–126.
Cottam, M., Olynik, J., Blumenthal, J., Godbeer, K.D., Gibb, J., Bothwell, J., Burton, F.J., Bradley, P.E., Band, A., Austin, T., Bush, P., Johnson, B.J., Hurlston, L., Bishop, L., McCoy, C., Parsons, G., Kirkconnell, J., Halford, S. and Ebanks-Petrie, G. 2009. Cayman Islands National Biodiversity Action Plan 2009. Cayman Islands Government. Department of Environment.
Burton, F.J. 2008. Vegetation Classification for the Cayman Islands. In: F.J. Burton (ed.), Threatened Plants of the Cayman Islands, Kew Publishers, London.
Burton, F.J. 2008. Threatened Plants of the Cayman Islands: The Red List. Kew Publishing.

Évaluateurs & contributeurs (2)Personnes ayant contribué à l'évaluation IUCNExpert

assessor

Burton, F.J., Clubbe, C.P. & Bárrios, S.

evaluator

Maunder, M.

⚠ 1 erratum publié après l'évaluation.

Burton, F.J., Clubbe, C.P. & Bárrios, S. 2017. Wittmackia caymanensis (amended version of 2014 assessment). The IUCN Red List of Threatened Species 2017: e.T56499801A118321942. Accessed on 05 May 2026.