Publications
Landslide processes as a natural disturbance in ecosystems in the Alejandro de Humboldt National Park, Cuba
Research identifies landslide processes as significant natural disturbances within the Alejandro de Humboldt National Park, Cuba. The study, using Sentinel satellite imagery and field data, inventoried 206 landslides, revealing that these events are most concentrated in areas with abrupt relief, sedimentary rocks, and brown soils—regions also characterized by low-altitude rainforests and high vertebrate species diversity. This suggests a complex interplay between geological conditions, soil types, and biodiversity, highlighting the importance of understanding natural disturbances in ecosystem dynamics within UNESCO World Heritage Sites.
The eastern mountains
Alejandro de Humboldt National Park stands out for its exceptional biodiversity and high conservation status. This study highlights the park's significant role as a Terrestrial Protected Area of Managed Resources, encompassing six zones classified by IUCN, with a notable percentage of endemic flora and fauna. The research emphasizes the park's natural values while also addressing the socioeconomic and demographic attributes of its local communities, providing insights into the sustainable development of the region.
Pteridófitas de sectores adyacentes al monumento Natural Alejandro de Humboldt, parque nacional el Guácharo, Venezuela
A comprehensive survey of pteridophytes in four mountainous sectors adjacent to the Alejandro de Humboldt Natural Monument, Venezuela, reveals 66 species belonging to 13 families and 32 genera. Notably, 29 species represent new records for Monagas state, including two South America-restricted ferns: Niphidium mortonianum and Tectaria amphiblestra. The study highlights low floristic similarity among sectors but significant diversity within dominant families such as Polypodiaceae (18 spp.), Pteridaceae (12 spp.), Dryopteridaceae (8 spp.), and Aspleniaceae (7 spp.). Terrestrial and corticicolous ferns predominate, accounting for 40.91% and 39.39% of the species, respectively, while rupicolous ferns are less common (12.12%). These findings underscore the rich biodiversity and unique ecological conditions—characterized by shade and high humidity—that support this diverse group of plants in the region's mountainous terrain.
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