The Impact of Land Abandonment on Species Richness and Abundance in the Mediterranean Basin: A Meta-Analysis Plieninger, Tobias ; Hui, Cang ; Gaertner, Mirijam ; Huntsinger, Lynn Abstract Publication: PLoS ONE Pub Date: May 2014 DOI: 10.1371/journal.pone.0098355 Bibcode: 2014PLoSO...998355P