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Regional Environmental Change

, Volume 17, Issue 4, pp 1179–1191 | Cite as

Deforestation and cattle expansion in the Paraguayan Chaco 1987–2012

  • Matthias BaumannEmail author
  • Christoph Israel
  • María Piquer-Rodríguez
  • Gregorio Gavier-Pizarro
  • José Norberto Volante
  • Tobias Kuemmerle
Original Article

Abstract

The dry forests of Latin America are among the most dynamic deforestation frontiers in the world and are important carbon and biodiversity reservoirs. Our knowledge on the spatial patterns of deforestation and its proximate drivers remains partial though. We used the full Landsat image archive to reconstruct deforestation and post-deforestation dynamics between 1987 and 2012 for the entire Paraguayan Chaco, where deforestation has been rampant recently. Our classification resulted in reliable land-use change maps (86.16%), highlighting drastic forest losses of almost 44,000 km2 between 1987 and 2012, equaling a deforestation rate of 27% and about 1% yearly, predominantly for grasslands. These likely represented new pastures, making pasture expansion the dominant proximate cause of deforestation. Cropland expansion, in contrast, only played a minor role as a proximate deforestation cause in the Paraguayan Chaco. Deforestation more than doubled between 2001 and 2012 (~29,000 km2) compared to 1987–2000 (~14,000 km2), due to leakage effects from the deforestation ban in the Paraguayan Atlantic Forests in 2004. Interestingly, while grasslands expanded in the Paraguayan Chaco between 1987 and 2000, cattle numbers decreased during the same time period, though strongly increased since. This apparent decoupling of area change and land-use intensity may indicate that the Paraguayan Chaco experienced an amplification period during the 1990s followed by an intensification period since 2001. Thus, our results highlight the need for both, a more detailed monitoring of post-deforestation dynamics and a land systems perspective in order to understand deforestation frontiers and thus ultimately to identify strategies to better balance production and conservation goals.

Keywords

Subtropical deforestation Proximate drivers Intensification Landsat composites Cattle ranching Chaco Remote sensing 

Notes

Acknowledgements

We gratefully acknowledge support for this research by the German Research Foundation (DFG, KU 2458/5-1), by the Federal Ministry of Science and Education (BMBF, PASANOA 031B0034A), by the Einstein Foundation Berlin and the Argentine National Agricultural Technology Institute (INTA, PNNAT 1128052). We are grateful for comments made by the two anonymous reviewers, whose comments greatly improved the manuscript.

Supplementary material

10113_2017_1109_MOESM1_ESM.docx (6.2 mb)
Supplementary material 1 (DOCX 6360 kb)

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© Springer-Verlag Berlin Heidelberg 2017

Authors and Affiliations

  1. 1.Geography DepartmentHumboldt-Universität zu BerlinBerlinGermany
  2. 2.Instituto Nacional de Tecnología Agropecuaria (INTA)Instituto de Recursos Biológicos - Centro de Investigación en Recursos Naturales (CIRN-IRB)Buenos AiresArgentina
  3. 3.Laboratorio de Teledeteccion y SIGInstituto Nacional de Tecnologia Agropecuaria (INTA)SaltaArgentina
  4. 4.Integrative Research Institute on Transformations of Human-Environment Systems (IRI THESys)Humboldt-Universität zu BerlinBerlinGermany

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