Assemblage of a Semi-Arid Annual Plant Community: Abiotic and Biotic Filters Act Hierarchically Luzuriaga, Arantzazu L. ; Sánchez, Ana M. ; Maestre, Fernando T. ; Escudero, Adrián Abstract Publication: PLoS ONE Pub Date: July 2012 DOI: 10.1371/journal.pone.0041270 Bibcode: 2012PLoSO...741270L