The study analyzed plant functional types (PFTs) across the High Andes of South America, using 716 species/morphospecies from 65 summits in 17 sites within the GLORIA-Andes network. The results showed that PFT richness and diversity decreased with increasing latitude and elevation. At higher elevations, tussock grasses became less abundant, while cushion plants, rosette herbs, and prostrate shrubs increased in importance. PFT composition became more similar among regions in alpine and subnival zones, whereas nival summits showed greater regional differences. These patterns were strongly associated with environmental conditions, particularly greater coverage of scree and exposed rock, which was linked to lower functional diversity.
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Luis Daniel Llambí, María Vanessa Lencinas, Julieta Carilla, Rosa Isela Meneses, Priscilla Muriel, Maryam E. Sánchez, Soledad Cuello, Luis E. Gámez, Ricardo Jaramillo, Carolina Tovar, Nikolay Aguirre, Emilia Ayala, Stephan Beck, Julieta Benítez, Lucía Bottan, Juan Manuel Cellini, Sisimac Duchicela, Paul Eguiguren, Francisco Ferrer, Alfredo Grau, Stephan Halloy, Jorge Jácome, Guillermo Martínez Pastur, Pablo Peri, Julián Rodriguez-Souilla, Edison Salazar, Paul Viñas, Karina Yager, Francisco Cuesta
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