Diversity, structure and composition of native forest trees in the Cusco Valley
DOI:
https://doi.org/10.55873/gentryana.v2i2.313Keywords:
chachacomo, beta diversity, microbasin, HuatanayAbstract
Native forests in the inter-Andean valleys are severely threatened, existing only as remnants in steep areas, a product of historical changes since the first human settlements. This study evaluated the diversity, composition and structure of native forest trees in the Cusco valley by sampling in four micro-watersheds: Huancaro, Salineras, Saphi and Tankarpata using 8 plots of 0.1 ha, including trees with heights and DBH ≥ 10 cm. A total of 111 individuals, 28 forest species and 14 botanical families were recorded, highlighting Fabaceae and Rosaceae with 4 species. Tankarpata (15) and Salineras (13) were the most diverse in species; Salineras with 46 belonging to 6 species. In all the basins, Escallonia resinosa was the most abundant species with 64 individuals, followed by Kageneckia lanceolata with 26 individuals. The alpha diversity was low, the Chao-1 index shows that in the Salineras 2 plot is where the highest number of species can be registered with up to 9. The Bray-Curtis similarity analysis indicates that the 8 plots are highly similar. The results underline the importance of native forests as they still maintain local ecosystem services and need conservation and recovery measures.
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