Search Results - "Belmar, Oscar"

Agricultural impacts on streams near Nitrate Vulnerable Zones: A case study in the Ebro basin, Northern Spain by Ladrera, Rubén, Belmar, Oscar, Tomás, Rafael, Prat, Narcís, Cañedo-Argüelles, Miguel

“…Agricultural intensification during the last century has caused river degradation across Europe. From the wide range of stressors derived from agricultural…”
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Effects of flow regime alteration on fluvial habitats and riparian quality in a semiarid Mediterranean basin by Belmar, Oscar, Bruno, Daniel, Martínez-Capel, Francisco, Barquín, José, Velasco, Josefa

“…► Flow regime alteration–physical habitat relationships were examined in a semiarid Mediterranean basin. ►Flow stability and magnitude determined habitat and…”
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Structural and functional responses of invertebrate communities to climate change and flow regulation in alpine catchments by Bruno, Daniel, Belmar, Oscar, Maire, Anthony, Morel, Adrien, Dumont, Bernard, Datry, Thibault

“…Understanding and predicting how biological communities respond to climate change is critical for assessing biodiversity vulnerability and guiding conservation…”
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Hydrological Classification of Natural Flow Regimes to Support Environmental Flow Assessments in Intensively Regulated Mediterranean Rivers, Segura River Basin (Spain) by Belmar, Oscar, Velasco, Josefa, Martinez-Capel, Francisco

“…Hydrological classification constitutes the first step of a new holistic framework for developing regional environmental flow criteria: the “Ecological Limits…”
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Functional responses of aquatic macroinvertebrates to flow regulation are shaped by natural flow intermittence in Mediterranean streams by Belmar, Oscar, Bruno, Daniel, Guareschi, Simone, Mellado‐Díaz, Andrés, Millán, Andrés, Velasco, Josefa

“…Running waters in Mediterranean regions are strongly regulated by dams, which produce significant alterations to natural flow regimes. Climate change will…”
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Ecosystem‐level effects of re‐oligotrophication and N:P imbalances in rivers and estuaries on a global scale by Ibáñez, Carles, Caiola, Nuno, Barquín, José, Belmar, Oscar, Benito‐Granell, Xavier, Casals, Frederic, Fennessy, Siobhan, Hughes, Jocelyne, Palmer, Margaret, Peñuelas, Josep, Romero, Estela, Sardans, Jordi, Williams, Michael

“…Trends and ecological consequences of phosphorus (P) decline and increasing nitrogen (N) to phosphorus (N:P) ratios in rivers and estuaries are reviewed and…”
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Large-scale factors controlling biological communities in the Iberian Peninsula: an insight into global change effects on river ecosystems by Rocha Pompeu, Cássia, Peñas, Francisco J., Belmar, Oscar, Barquín, José

“…The ongoing global environmental change poses a serious threat to rivers. Comprehensive knowledge of how stressors affect biota is critical for supporting…”
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Ecological relevance of non‐perennial rivers for the conservation of terrestrial and aquatic communities by Bruno, Daniel, Hermoso, Virgilio, Sánchez‐Montoya, María Mar, Belmar, Oscar, Gutiérrez‐Cánovas, Cayetano, Cañedo‐Argüelles, Miguel

“…River conservation efforts traditionally focus on perennial watercourses (i.e., those that do not dry) and their associated aquatic biodiversity. However, most…”
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Evaluating the biological validity of European river typology systems with least disturbed benthic macroinvertebrate communities by Jupke, Jonathan F., Birk, Sebastian, Álvarez-Cabria, Mario, Aroviita, Jukka, Barquín, José, Belmar, Oscar, Bonada, Núria, Cañedo-Argüelles, Miguel, Chiriac, Gabriel, Elexová, Emília Mišíková, Feld, Christian K., Ferreira, M. Teresa, Haase, Peter, Huttunen, Kaisa-Leena, Lazaridou, Maria, Lešťáková, Margita, Miliša, Marko, Muotka, Timo, Paavola, Riku, Panek, Piotr, Pařil, Petr, Peeters, Edwin T.H.M., Polášek, Marek, Sandin, Leonard, Schmera, Dénes, Straka, Michal, Usseglio-Polatera, Philippe, Schäfer, Ralf B.

“…Humans have severely altered freshwater ecosystems globally, causing a loss of biodiversity. Regulatory frameworks, like the Water Framework Directive, have…”
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Responses of Mediterranean aquatic and riparian communities to human pressures at different spatial scales by Bruno, Daniel, Belmar, Oscar, Sánchez-Fernández, David, Guareschi, Simone, Millán, Andrés, Velasco, Josefa

“…•We tested the influence of human pressures on both aquatic and riparian communities.•Hydrological alteration affected aquatic macroinvertebrates in a greater…”
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Environmental determinants of woody and herbaceous riparian vegetation patterns in a semi-arid mediterranean basin by Bruno, Daniel, Belmar, Oscar, Sánchez-Fernández, David, Velasco, Josefa

“…What environmental variables determine riparian vegetation patterns? Are there differences between woody and herbaceous species? To answer these questions, we…”
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Modelling physical characteristics of river habitats by Belmar, Oscar, Booker, Doug, Álvarez‐Cabria, Mario, Peñas, Francisco J., Barquín, José

“…The physical characteristics of river habitats constitute the setting in which fluvial biota dwell and thrive. Determining the spatial and temporal patterns of…”
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The role of forest maturity in extreme hydrological events by Belmar, Oscar, Barquín, José, Álvarez‐Martínez, Jose Manuel, Peñas, Francisco J., Del Jesus, Manuel

“…This study aims to clarify the influence of forests, as well as other prevalent land cover types, on extreme hydrological events through a land cover gradient…”
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The presence of Dolomedes plantarius (Clerck, 1757) (Araneae: Pisauridae) in the Ebro Delta extends its distribution in the Iberian Peninsula southwards by Belmar, Oscar, Mateu, David, Boix, Dani, Sala, Jordi

“…The rare Dolomedes plantarius has been observed in a permanent pond ("ullal") in the Ebro Delta (Catalonia, north-eastern Spain). This is the most meridional…”
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ECOHYDRAULICS OF RIVER FLOW ALTERATIONS AND IMPACTS ON FRESHWATER FISH by Boavida, Isabel, Díaz-Redondo, Maria, Fuentes-Pérez, Juan F, Hayes, Daniel S, Jesus, Joaquim, Moreira, Miguel, Belmar, Oscar, Vila-Martínez, Núria, Palau-Nadal, Antoni, Costa, Maria João

“…The flow regime is a determinant of the ecological function and natural dynamics of a river system with a prominent effect on freshwater fish. Here, we…”
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