Phosphorus limitation and competitive capacities of Pinus halepensis and Quercus ilex subsp. rotundifolia on different soils.

Sardans J, Rodà F, Peñuelas J (2004) Phosphorus limitation and competitive capacities of Pinus halepensis and Quercus ilex subsp. rotundifolia on different soils. Plant Ecology 174:305-317.

Increasing drought decreases phosphorus availability in an evergreen Mediterranean forest.

Sardans J, Peñuelas J (2004) Increasing drought decreases phosphorus availability in an evergreen Mediterranean forest. Plant and Soil 267:367-377.