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Establishment of Monterrey Pine ( Pinus radiata ) Plantations and Their Effects on Seasonal Sediment Yield in Central Chile

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Listed:
  • Roberto Pizarro

    (Centro Nacional de Excelencia para la Industria de la Madera (CENAMAD), Pontificia Universidad Católica de Chile, Santiago 7810128, Chile
    UNESCO Chair Surface Hydrology, University of Talca, Talca 3467769, Chile
    Instituto Interdisciplinario para la Innovación, Universidad de Talca, Talca 3467769, Chile
    Faculty of Forest Engineering and Nature Conservancy, University of Chile, Santiago 8820808, Chile)

  • Pablo García-Chevesich

    (Department of Civil and Environmental Engineering, Colorado School of Mines, Golden, CO 80401, USA
    Intergubernmental Hydrological Programme, UNESCO, Montevideo 11200, Uruguay)

  • Ben Ingram

    (School of Water, Energy and Environment, Cranfield University, Cranfield MK43 0AL, UK)

  • Claudia Sangüesa

    (Centro Nacional de Excelencia para la Industria de la Madera (CENAMAD), Pontificia Universidad Católica de Chile, Santiago 7810128, Chile
    UNESCO Chair Surface Hydrology, University of Talca, Talca 3467769, Chile)

  • Juan Pino

    (Dirección de Transferencia Tecnológica, Universidad Tecnológica Metropolitana, Santiago 8330367, Chile)

  • Alfredo Ibáñez

    (Centro Nacional de Excelencia para la Industria de la Madera (CENAMAD), Pontificia Universidad Católica de Chile, Santiago 7810128, Chile
    UNESCO Chair Surface Hydrology, University of Talca, Talca 3467769, Chile)

  • Romina Mendoza

    (UNESCO Chair Surface Hydrology, University of Talca, Talca 3467769, Chile
    Instituto Interdisciplinario para la Innovación, Universidad de Talca, Talca 3467769, Chile)

  • Carlos Vallejos

    (UNESCO Chair Surface Hydrology, University of Talca, Talca 3467769, Chile)

  • Felipe Pérez

    (Dirección General de Aguas, Ministerio de Obras Públicas, Santiago 8340652, Chile)

  • Juan Pablo Flores

    (Centro de Información de Recursos Naturales (CIREN), Santiago 7501556, Chile)

  • Mauricio Vera

    (UNESCO Chair Surface Hydrology, University of Talca, Talca 3467769, Chile)

  • Francisco Balocchi

    (Ecosystems, Productivity and Climate Change, Bioforest SA, Camino a Coronel km 15, Coronel 413000, Chile
    Water Resources and Energy for Agriculture PhD Program, Water Resources Department, Universidad de Concepción, Chillán 3812120, Chile)

  • Ramón Bustamante-Ortega

    (UNESCO Chair Surface Hydrology, University of Talca, Talca 3467769, Chile)

  • Gisella Martínez

    (Facultad de Geología y Minas, Universidad Nacional de San Agustín de Arequipa, Arequipa 04000, Peru)

Abstract

Sediment production and transport in a basin are generally a function of the degree of soil protection, normally represented by plant cover. In this study, two basins located at similar latitudes but with different hydrological regimens and plant covers were studied, one with a pluvial regimen and forest plantations (Purapel) and another one with the pluvio-nival regimen and native forest (Ñuble). For this purpose, sediment yield was analyzed in both drainage areas using the Mann-Kendall statistical test. Both basins showed larger amounts of sediment production during winter months. In addition, sediment yield trends did not show significant variation in the case of the Ñuble, most likely due to non-relevant changes in plant cover over time. However, there is a sustained decrease in annual sediment release at Purapel, coinciding with the afforestation in the basin, so it is logical to attribute the referred reduction to this process. For the first time, the behavior of two watersheds is contrasted, one covered with native forest and the other one with forest plantations, appreciating that the basin covered with plantations presents a reduction in sediment production over time, which means that forest plantations are efficient in sediment retention, even in contrast to native forest. However, both basins have different types of soil, topography, etc., meaning that more studies are needed to support this theory.

Suggested Citation

  • Roberto Pizarro & Pablo García-Chevesich & Ben Ingram & Claudia Sangüesa & Juan Pino & Alfredo Ibáñez & Romina Mendoza & Carlos Vallejos & Felipe Pérez & Juan Pablo Flores & Mauricio Vera & Francisco , 2023. "Establishment of Monterrey Pine ( Pinus radiata ) Plantations and Their Effects on Seasonal Sediment Yield in Central Chile," Sustainability, MDPI, vol. 15(7), pages 1-12, March.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:7:p:6052-:d:1112761
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    References listed on IDEAS

    as
    1. Nejc Bezak & Matjaž Mikoš & Mojca Šraj, 2014. "Trivariate Frequency Analyses of Peak Discharge, Hydrograph Volume and Suspended Sediment Concentration Data Using Copulas," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 28(8), pages 2195-2212, June.
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