Occurrence of non-native species and their potential impact on plant communities in protected areas in the Brazilian Amazon region
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| Autores: | , , |
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| Formato: | artículo original |
| Estado: | Versión publicada |
| Fecha de Publicación: | 2020 |
| Descripción: | Abstract. Introduction: There is a large information gap on the occurrence of non-native species and their impacts on native biodiversity in the Amazon region in Brazil. Objective: The objective of this study was to characterize the floristic composition of a protected area in Manaus, Amazonas, and assess the potential impact of non-native invasive species. Methods: A floristic survey was carried out in 30 plots measuring 20 x 20 m with 1 x 1 m subplots. The estimated parameters were density, frequency, dominance, Importance Value Index (IVI), and Environmental Impact of Non-Native Species (IIAE). Results: In total, 8 out of 264 species registered in the tree-shrub layer were not native. A total of 61 species were identified in the herbaceous layer, five of which were non-native. The impact is estimated based on the highest abundance of species of non-native species. Conclusions: The presence of non-native species in the study area is an indication of a potential impact on biodiversity and ecosystem functions. |
| País: | Portal de Revistas UCR |
| Institución: | Universidad de Costa Rica |
| Repositorio: | Portal de Revistas UCR |
| Lenguaje: | Inglés |
| OAI Identifier: | oai:portal.ucr.ac.cr:article/40429 |
| Acceso en línea: | https://revistas.ucr.ac.cr/index.php/rbt/article/view/40429 |
| Palabra clave: | biological invasions invasive species abundance index of environmental impact of non-native species phytosociology invasiones biológicas especies invasoras abundancia índice de impacto ambiental de especies no nativas fitosociología |