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Solans, M.A. and Mellado- Díaz, A. (2015). A Landscape-based Regionalization of Natural Flow Regimes in the Ebro River Basin and its Biological Validation. River Research and Applications. "River Research And Applications" ; pp. 1-13. ISSN 1535-1459. https://doi.org/10.1002/rra.2860.
Title: | A Landscape-based Regionalization of Natural Flow Regimes in the Ebro River Basin and its Biological Validation. River Research and Applications |
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Author/s: |
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Item Type: | Article |
Título de Revista/Publicación: | River Research And Applications |
Date: | January 2015 |
ISSN: | 1535-1459 |
Subjects: | |
Freetext Keywords: | natural flow regimes; landscape-based models; environmental flows |
Faculty: | E.T.S.I. Montes (UPM) |
Department: | Ingeniería Forestal [hasta 2014] |
Creative Commons Licenses: | Recognition - No derivative works - Non commercial |
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Flow prediction in ungauged basins is an important task for water resources planning and management, and remains a fundamental challenge for hydroecological research. Based on a previous classification of streams and rivers in the Ebro River basin (Spain), where six natural flowregime types were identified, we apply a new predictive approach of the flow regime type based on climatic and physiographic descriptors. We used a set of easily available environmental variables as discriminant parameters: annual precipitation, annual evapotranspiration, annual air temperature, elevation, catchment area, drainage density and geology. A stepwise landscape-based classification procedure consisting of several stepwise discriminant analyses and canonical discriminant analyses allocated a set of sites with poor or no natural flow data into the flow types defined. Misclassification rates obtained by cross-validation ranged between 1.12% and 11.9%. Additionally, the ecological soundness of the proposed regionalization was tested by the concordance between macroinvertebrate communities and the proposed classification using NMDS and ANOSIM. NMDS resulted in a clear separation of sites into five NFR classes with available macroinvertebrate data, and ANOSIM found significant differences in macroinvertebrate communities among classes.
Item ID: | 34723 |
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DC Identifier: | https://oa.upm.es/34723/ |
OAI Identifier: | oai:oa.upm.es:34723 |
DOI: | 10.1002/rra.2860 |
Official URL: | https://onlinelibrary.wiley.com/doi/abs/10.1002/rra.2860 |
Deposited by: | Memoria Investigacion |
Deposited on: | 20 Mar 2015 07:42 |
Last Modified: | 30 May 2019 15:13 |