1. Biogeochemical Department, Instituto de Investigación Animal del Chaco Semiárido, Instituto Nacional de Tecnología Agropecuaria, Tucumán, Argentina
2. Instituto de Ecología Regional, CONICET, Universidad Nacional de Tucumán, Tucumán, Argentina
3. Geography Department, Humboldt-University Berlin, Berlin, Germany
4. Integrative Research Institute on Transformations in Human-Environment Systems (IRI THESys), Humboldt-University Berlin, Berlin, Germany