MODELADO Y CARTOGRAFIA DEL ALMACENAMIENTO DE CARBONO EN LOS SUELOS DE LA REPÚBLICA ARGENTINA
DOI:
https://doi.org/10.64132/cds.v43i2.920Palabras clave:
mapeo digital de suelos, random forest, servicios ecosistémicos, modelos espacialesResumen
La estimación de las reservas de carbono orgánico del suelo (COS) es muy relevante considerando que el COS es el impulsor central de la mitigación del cambio climático y la productividad del suelo. Este trabajo actualiza el mapa de almacenamiento de COS de Argentina para la capa 0-30 cm, utilizando un enfoque de Mapeo Digital de Suelos con el algoritmo Random Forest. Se analizaron 5.377 sitios muestreados entre 2015 y 2022 y se emplearon 38 variables predictoras climáticas, topográficas, edáficas y de vegetación. El almacenamiento total de COS se estimó en 13,19 PgC, con un rango de incertidumbre de 12,64-13,74 PgC. La reserva media nacional fue de 51,35 Mg ha⁻¹, con los valores más altos en humedales y tierras forestales. Sin embargo, al considerar la reserva total, los Pastizales acumulan el 61% del COS total del país, las Tierras forestales el 23%, las Tierras de cultivos el 13% y los Humedales el 3%. El modelo mostró un desempeño sólido (R² = 0,73) y confirmó que la temperatura es el principal factor de control del COS, seguida por la vegetación y las propiedades edáficas. Este mapa proporciona una línea de base para evaluar cambios en el almacenamiento de COS, lo que resulta clave para políticas de mitigación del cambio climático y manejo sustentable del suelo. Su actualización periódica permitirá reportar avances en compromisos internacionales y contribuir a los Objetivos de Desarrollo Sostenible.
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Derechos de autor 2025 Juan José Gaitan, Pablo Luis Peri, María Paula Barral, María Florencia Accame, Edgardo Adema, Francisco Guillermo Alaggia, Silvia Albarracin, Deivid Joan Álvarez Cortés, Claudio Álvarez, Silvina Bacigaluppo, Ezequiel Balducci, Natalia Banegas, Sebastián Barbaro, Santiago Behr, Marcelo Javier Beltrán, María Victoria Benedetto, Gonzalo Berhongaray, Carlos Buduba, Enzo Caballero, Patricia Carfagno, Cecilia Caruso, Erica Casasola, Flora Céspedes, Jorge Chalco Vera, Juan Cruz Colazo, Silvia Correa, Juan Pablo Diez, Juan Martín Enrico, Andrea Soledad Enriquez, Anabella Fantozzi, Pedro David Fernández, Carolina Fernández López, Joaquin Flores, Carolina Frías, Federico Fritz, Natalia Furlan, Guillermo Garcia Martínez, Gabriel Gatica, Ana Paula Giannini, Silvia Yanina Goytía, Javier Gyenge, Alicia Irizar, Rosario Iturralde, Nancia Kloster, Ditmar Bernardo Kurtz, Ludmila La Manna, Pablo Laclau, Javier Lara, Roxana Ledesma, Raul Lertora, Carlos Sebastián López Morillo, Astor López, Dardo López, Ana Lupi, Andrés Madias, Natalia Mansilla, María Julia Martinefsky, Matías Mastrángelo, Pablo Andrés Meglioli, Eduardo Moavro, Ingrid Mónaco, Lucas Moretti, Alejandro Moyano, Francisco Murray, Marcelo Nosetto, Gabriel Oliva, Walter Opazo, Paula Paredes, Guillermo Peralta, Silvina Restovich, Tania Rey Montoya, Julieta Rojas, María Florencia Rold´án, Fernando Salvagiotti, María Cristina Sánchez, Martín Sandoval, Florencia Soledad Saracco, Mario Eugenio Sello, Ximena Sirimarco, Luciana Sleiman, Cristina Ugarte, Sebastián Valiente, Santiago Varela, Virginia Velasco, Augusto Viana, Pablo Eugenio Villagra, Sebastián Villarino, Alejandra Von Wallis, Leslie Vorraber, Marcelo Germán Wilson, Ursula Ingrid Wolf Celoné, Diego Ybarra
Esta obra está bajo una licencia internacional Creative Commons Atribución-NoComercial-CompartirIgual 4.0.
