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Caribbean Ruderal Dry Forest Macrogroup | NatureServe Biotics 2019
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Name: Caribbean Ruderal Dry Forest Macrogroup Reference: NatureServe Biotics 2019 Description: This macrogroup is formed by assemblages of purely introduced species or combinations of native and introduced species with no apparent recent historical natural analogs. These systems are often composed of invasive species, whether exotic or native, that have expanded in extent and abundance due to human disturbances, whether from abandonment of sites with cultural vegetation, or from extensive alteration and degradation of Caribbean natural vegetation. Caribbean ruderal dry forests dominated by naturalized species include <i>Vachellia farnesiana, Leucaena leucocephala, Melicoccus bijugatus, Parkinsonia aculeata, Prosopis juliflora</i>, and <i>Tamarindus indica</i>. Some of the most widespread and damaging invasive trees and shrubs in Puerto Rico and the Virgin Islands are <i>Albizia lebbeck, Leucaena leucocephala, Pinus caribaea, Spathodea campanulata, Syzygium jambos, Tabebuia rosea</i>, and <i>Terminalia catappa</i>. The contribution of introduced species in these areas can amount to &gt;50% of the biomass. Introduced plants are most likely to become established in disturbed habitats rather than in pristine ones. Areas originally covered by dry forest tend to be very susceptible to the establishment of introduced species, particularly on alluvial, volcanic and sedimentary substrates, but less so on more specialized substrates such as limestone and ultramafic. In the case of Puerto Rico and the Virgin Islands, factors such as land-use change, high human population densities and high urban development have induced some of the major alterations in the landscape creating a vast number of open and degraded areas that were readily occupied by alien species.  Accession Code: urn:lsid:vegbank.org:commConcept:40813-{149DFF18-BC80-4FE9-B82B-9E5A83A60FE4} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 15-Oct-2014 to: ongoing
	status: accepted Community's Parent: Bursera simaruba - Enterolobium cyclocarpum - Ceiba aesculifolia Dry Forest & Woodland Division This Community's Level: Macrogroup This Community's Children: Show/Hide   Caribbean Ruderal Dry Forest Group		Names:   UID: ELEMENT_GLOBAL.2.881415 NatureServe Explorer   Code: M514   Scientific: Caribbean Ruderal Dry Forest Macrogroup