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Título

The Lost World's pristinity at risk

AutorRull, Valentí ; Vegas-Vilarrúbia, Teresa ; Safont, Elisabet ; Feeley, Kenneth
Palabras clavebiodiversity conservation
faecal bacteria
Guayana Shield
invader plants
national parks
Neotropical biodiversity
pristine biomes
Fecha de publicaciónago-2016
EditorJohn Wiley & Sons
CitaciónDiversity and Distributions, 22(10): 995-999 (2016)
ResumenThe Guayana Highlands (GH) are virtually pristine environments and constitute a unique natural laboratory to study the biogeographical and evolutionary origin of the Neotropical biota. In addition, the GH provide most of the water of the Guayana region, which feeds the more important tributaries of the Orinoco and the Amazon basins. However, the biota and the ecosystems of the GH are in danger of being profoundly altered by current human activities. Recent studies have identified the presence of aggressive invader plant species (e.g. Poa annua and Polypogon elongatus) and infectious faecal bacteria (Helicobacter pilori), both carried by tourists, which could deeply affect biodiversity and ecological performance of terrestrial and aquatic GH ecosystems. If these hazards are not controlled as soon as possible, the potential consequences could disturb not only the GH ecosystems but also those of the rest of the Guayana region. We still have time to find solutions and implement specific regulations before the mentioned threats become uncontrollable. The GH are within a national park and other conservation figures but a management plan is lacking; therefore, current conservation rules are insufficient to deal with the newly detected menaces. We propose an international initiative, including all countries of the Guayana Shield, to take immediate actions. Otherwise, we are in danger of losing one of the few pristine biomes that remain in the world. © 2016 John Wiley & Sons Ltd
Versión del editorhttp://dx.doi.org/10.1111/ddi.12469
URIhttp://hdl.handle.net/10261/137349
DOI10.1111/ddi.12469
ISSN1366-9516
E-ISSN1472-4642
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