Abstract

Fil: Calamari, Noelia Cecilia. Instituto Nacional de Tecnologia Agropecuaria. Centro Regional Entre Rios. Estacion Experimental Agropecuaria Parana; Argentina

Highlights

  • Habitat loss and fragmentation as consequences of land use changes are major drivers of global biodiversity loss (Baillie et al 2004, Renfrew and Ribic 2008)

  • We conducted our study in the departments of Paraná, Diamante, Nogoyá, and La Paz of Entre Ríos province located in eastern Argentina

  • Many published studies highlight the quality of the matrix when determining composition and abundance of species within patches (Laurance 1991, Gascon et al 1999, Kotze and Samways 1999, Cook et al 2002), our results suggested the surrounding matrix exhibited a limited influence on bird abundance

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Summary

Introduction

Habitat loss and fragmentation as consequences of land use changes are major drivers of global biodiversity loss (Baillie et al 2004, Renfrew and Ribic 2008) These processes in turn may modify the composition, structure, or function of landscapes (Fraterrigo et al 2009, Magrach et al 2011). Fragmentation may alter the original configuration of a landscape, generating isolated patches immersed in a frequently hostile matrix (Forman 1995, McComb 1999, Fahrig 2003) Both processes can negatively influence the abundance, movement, and. Forest cover in the province of Entre Ríos decreased from 56% in 1914 to approximately 13.8% at present (Muñoz et al 2005, De la Fuente and Suárez 2008, Aizen et al 2009) This has resulted in a subsequent loss of avian diversity in the region (Schrag et al 2009, Gavier-Pizarro et al 2012)

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