Bromeliad chemistry at different elevations in the LEF

Mean concentrations of various nutrients in dried bromeliad leaf and in the coarse, medium and fine portions of debris retained by the bromeliad rosette.各类营养物质在干燥凤梨科植物（bromeliad）叶片，以及凤梨科植物莲座丛截留的碎屑的粗、中、细颗粒组分中的平均浓度。