Nitrogen Deposition Effects on Soil Properties, Microbial Abundance, and Litter Decomposition Across Three Shrublands Ecosystems From the Mediterranean Basin - Lo Cascio, Mauro; Morillas, Lourdes; Ochoa-Hueso, Raúl; Delgado-Baquerizo, Manuel; Munzi, Silvana; Roales, Javier; Spano, Donatella; Cruz, Cristina; Gallardo, Antonio; Manrique, Esteban; Pérez-Corona, María Esther; Dias, Teresa; et al. (2021)