Stream flow regime, temperature and climate change: the loss of fish habitat

Santiago Saez, Jose Maria; Solana Gutierrez, Joaquin; Alonso González, Carlos; García de Jalón Lastra, Diego; Muñoz-Mas, Rafael; Martínez-Capel, Francisco; Ribalaygua Batalla, Jaime; Pórtoles, Javier y Monjo, Robert (2016). Stream flow regime, temperature and climate change: the loss of fish habitat. En: "Proceedings of the 11th International Symposium on Ecohydraulics", 7-12 Febrero 2016, Melbourne, Australia. pp. 1-4.

Descripción

Título: Stream flow regime, temperature and climate change: the loss of fish habitat
Autor/es:
  • Santiago Saez, Jose Maria
  • Solana Gutierrez, Joaquin
  • Alonso González, Carlos
  • García de Jalón Lastra, Diego
  • Muñoz-Mas, Rafael
  • Martínez-Capel, Francisco
  • Ribalaygua Batalla, Jaime
  • Pórtoles, Javier
  • Monjo, Robert
Tipo de Documento: Ponencia en Congreso o Jornada (Otro)
Título del Evento: Proceedings of the 11th International Symposium on Ecohydraulics
Fechas del Evento: 7-12 Febrero 2016
Lugar del Evento: Melbourne, Australia
Título del Libro: S.11 Scale-hierarchic analyses os aquatic biotic community responses to changing flow environments and multiple stressors
Fecha: Febrero 2016
Materias:
Palabras Clave Informales: Cambio climático, Trucha, Región Central de España, Ecosistemas acuáticos.
Escuela: E.T.S.I. Montes (UPM) [antigua denominación]
Departamento: Otro
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

This study is aimed at forecasting the changes in the suitability of brown trout habitat (Salmo trutta L.), caused by alterations in the stream temperature and the flow regime under climate change scenarios. The stream temperature and instantaneous flow in several streams in Central Spain were modelled from daily temperature and precipitation data. Logistic models were used for stream temperature modelling whereas M5? model trees were used to develop the precipitation-runoff models. These models were utilized to simulate the running flows under the climate change scenarios RCP4.5 and RCP8.5 (5thIPCC). The resulting forecasts suggested a different response of the stream temperature to the atmospheric warming in accordance with the geologic nature of basins. At the same time, significant decreases in summer flow and increases in the frequency of zero-flow events were predicted. In the future, significant declines in summer flow could exacerbate the negative impact on trout populations of increased water temperature by reducing both the suitable spatial habitat and the warming resistance of the water mass.

Más información

ID de Registro: 44374
Identificador DC: http://oa.upm.es/44374/
Identificador OAI: oai:oa.upm.es:44374
Depositado por: Memoria Investigacion
Depositado el: 13 Mar 2017 12:28
Ultima Modificación: 13 Mar 2017 12:28
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