Effects of land use change from natural forest to livestock on soil c, n and p dynamics along a rainfall gradient in Mexico
Por:
Figueroa, Daniela, Ortega-Fernandez, Patricia, Abbruzzini, Thalita F., Rivero-Villlar, Anaitzi, Galindo, Francisco, Chavez-Vergara, Bruno, Etchevers, Jorge D., Campo, Julio
Publicada:
1 ene 2020
Resumen:
The effects of converting native forests to livestock systems on soil C, N and P contents across various climatic zones are not well understood for the tropical region. The goal of this study was to test how soil C, N and P dynamics are affected by the land-use change from natural forests to livestock production systems (extensive pasture and intensive silvopastoral systems) across a rainfall gradient of 1611–711 mm per year in the Mexican tropics. A total of 15 soil-based biogeochemical metrics were measured in samples collected during the dry and rainy seasons in livestock systems and mature forests for land-use and intersite comparisons of the nutrient status. Our results show that land-use change from natural forests to livestock production systems had a negative effect on soil C, N and P contents. In general, soil basal respiration and C-acquiring enzyme activities increased under livestock production systems. Additionally, reduction in mean annual rainfall affected moisture-sensitive biogeochemical processes affecting the C, N and P dynamics. Our findings imply that land-use changes alter soil C, N and P dynamics and contents, with potential negative consequences for the sustainability of livestock production systems in the tropical regions of Mexico investigated. © 2020 by the authors. Licensee MDPI, Basel, Switzerland.
Filiaciones:
Instituto de Ecología, Universidad Nacional Autónoma de Mexico, Mexico City, 04510, Mexico
Instituto de Geografía, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico
Centro de Investigación en Ciencias de Información Geoespacial, Consejo Nacional de Ciencia y Tecnología, Mexico City, 14240, Mexico
Instituto de Geología, Universidad Nacional Autónoma de México, México City, 04510, Mexico
Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, México City, 04510, Mexico
Colegio de Posgraduados, Campus MontecillosMexico State 56230, Mexico
Univ Nacl Autonoma Mexico, Inst Ecol, Mexico City 04510, DF, Mexico
Univ Nacl Autonoma Mexico, Inst Geog, Mexico City 04510, DF, Mexico
Consejo Nacl Cient & Tecn, Ctr Invest Ciencias Informac Geoespacial, Mexico City 14240, DF, Mexico
Univ Nacl Autonoma Mexico, Inst Geol, Mexico City 04510, DF, Mexico
Univ Nacl Autonoma Mexico, Fac Med Vet & Zootecnia, Mexico City 04510, DF, Mexico
Colegio Posgrad, Campus Montecillos, Montecillo 56230, Mexico State, Mexico
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