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Colombia Forestal
versão impressa ISSN 0120-0739
Resumo
VASQUEZ-SOGAMOSO, Santiago; QUINTERO, Kelly Leani; ARROYAVE-ROJAS, Joan Amir e DARIO CANOLA, Hernan. Influence of Functional Traits on Orthophosphate Deposition in Modified Inter-Andean Landscapes in Colombia. Colomb. for. [online]. 2023, vol.26, n.2, pp.29-43. Epub 31-Jul-2023. ISSN 0120-0739. https://doi.org/10.14483/2256201x.20026.
Tropical ecosystems have high limitations regarding the natural availability of soil phosphorus, a condition that intensifies with their loss and fragmentation. In modified landscapes, the relationship between isolated trees and precipitation may represent an input of PO4-P into the soil. This study measured 16 individuals of four isolated tree species: Cariniana pyriformis, Cedrela odorata, Luehea seemannii, and Nectandra reticulata. Nine functional traits of each individual and the concentrations of PO4-P in the precipitation partition flows were evaluated. The highest concentrations of soil PO4-P were found in individuals of N. reticulata and L. seemannii, which exhibited a specific configuration of functional traits, i.e., a higher leaf area, a higher epiphyte cover, and a higher percentage of canopy density. These results highlight the role of these functional traits in improving soil biogeochemical conditions in modified landscapes.
Palavras-chave : isolated trees; interception; nutrient limitation; precipitation..