Strategies for adapting maize to climate change and extreme temperatures in Andalusia, Spain

Gabaldon Leal, C.; Lorite, I. J.; Minguez Tudela, Maria Ines; Lizaso Oñate, Jon Iñaqui; Dosio, Alessandro; Sanchez, E. y Ruiz Ramos, Margarita (2015). Strategies for adapting maize to climate change and extreme temperatures in Andalusia, Spain. "Climate Research", v. 65 ; pp. 159-173. ISSN 0936-577X. https://doi.org/10.3354/cr01311.

Descripción

Título: Strategies for adapting maize to climate change and extreme temperatures in Andalusia, Spain
Autor/es:
  • Gabaldon Leal, C.
  • Lorite, I. J.
  • Minguez Tudela, Maria Ines
  • Lizaso Oñate, Jon Iñaqui
  • Dosio, Alessandro
  • Sanchez, E.
  • Ruiz Ramos, Margarita
Tipo de Documento: Artículo
Título de Revista/Publicación: Climate Research
Fecha: 2015
Volumen: 65
Materias:
Escuela: E.T.S.I. Agrónomos (UPM) [antigua denominación]
Departamento: Producción Agraria
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

Climate projections indicate that rising temperatures will affect summer crops in the southern Iberian Peninsula. The aim of this study was to obtain projections of the impacts of rising temperatures, and of higher frequency of extreme events on irrigated maize, and to evaluate some adaptation strategies. The study was conducted at several locations in Andalusia using the CERES-Maize crop model, previously calibrated/validated with local experimental datasets. The simulated climate consisted of projections from regional climate models from the ENSEMBLES project; these were corrected for daily temperature and precipitation with regard to the E-OBS observational dataset. These bias-corrected projections were used with the CERES-Maize model to generate future impacts. Crop model results showed a decrease in maize yield by the end of the 21st century from 6 to 20%, a decrease of up to 25% in irrigation water requirements, and an increase in irrigation water productivity of up to 22%, due to earlier maturity dates and stomatal closure caused by CO2 increase. When adaptation strategies combining earlier sowing dates and cultivar changes were considered, impacts were compensated, and maize yield increased up to 14%, compared with the baseline period (1981-2010), with similar reductions in crop irrigation water requirements. Effects of extreme maximum temperatures rose to 40% at the end of the 21st century, compared with the baseline. Adaptation resulted in an overall reduction in extreme Tmax damages in all locations, with the exception of Granada, where losses were limited to 8%.

Más información

ID de Registro: 41316
Identificador DC: http://oa.upm.es/41316/
Identificador OAI: oai:oa.upm.es:41316
Identificador DOI: 10.3354/cr01311
URL Oficial: http://www.int-res.com/abstracts/cr/v65/p159-173/
Depositado por: Memoria Investigacion
Depositado el: 24 Jun 2016 17:26
Ultima Modificación: 24 Jun 2016 17:26
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