7 documents found, page 1 of 1
Functional redundancy and sensitivity of fish assemblages in European rivers, l...
Teichert, Nils; Lepage, Mario; Sagouis, Alban; Borja, Angel; Chust, Guillem; Ferreira, Maria Teresa; Pasquaud, Stéphanie; Schinegger, RafaelaThe impact of species loss on ecosystems functioning depends on the amount of trait similarity between species, i.e. functional redundancy, but it is also influenced by the order in which species are lost. Here we investigated redundancy and sensitivity patterns across fish assemblages in lakes, rivers and estuaries. Several scenarios of species extinction were simulated to determine whether the loss of vulnera...
Functional redundancy and sensitivity of fish assemblages in European rivers, l...
Teichert, Nils; Lepage, Mario; Sagouis, Alban; Borja, Angel; Chust, Guillem; Ferreira, Maria Teresa; Pasquaud, Stéphanie; Schinegger, RafaelaThe impact of species loss on ecosystems functioning depends on the amount of trait similarity between species, i.e. functional redundancy, but it is also influenced by the order in which species are lost. Here we investigated redundancy and sensitivity patterns across fish assemblages in lakes, rivers and estuaries. Several scenarios of species extinction were simulated to determine whether the loss of vulnera...
Living under stressful conditions: Fish life history strategies across environm...
Teichert, Nils; Pasquaud, Stéphanie; Borja, Angel; Chust, Guillem; Uriarte, Ainhize; Lepage, MarioThe life history strategies of fishes can be defined by specific combinations of demographic traits that influence species performances depending on environmental features. Hence, the constraints imposed by the local conditions restrict the range of successful strategies by excluding species poorly adapted. In the present study, we compared the demographic strategies of fish caught in 47 estuaries of the North ...
An approach to intercalibrate ecological classification tools using fish in tra...
Lepage, Mario; Harrison, Trevor; Breine, Jan; Cabral, Henrique; Coates, Steve; Galván, Cristina; García, Pilar; Jager, Zwanette; Kelly, FionaA simple procedure to harmonise and intercalibrate eight national methods classifying the ecological status using fish in transitional waters of the North East Atlantic is described. These methods were initially intercalibrated and a new method recently developed was added to this exercise. A common human pressure index pre-classified the status of each water body in an independent way. Ecological class boundar...
Deliverable D4.4-5: Precision and behaviour of fish-based ecological quality me...
Pérez-Domínguez, Rafael; Alvarez, Maria; Borja, Angel; Cabral, Henrique; Courrat, Anne; Elliott, Mike; Fonseca, Vanessa; Franco, Anita; Gamito, RitaThis report summarises the work conducted in Work Package 4.4 – BQE fish in transitional (i.e. estuarine and lagoon) waters (TW) within the project WISER under the sponsorship of the European Commission. It omits most technical details of the analyses given in the four previous Work Package reports, but still provides the necessary information to understand the rationale, approach and underlying assumptions nec...
Deliverable D4.4-3, Report detailing Multimetric fish-based indices sensitivity...
Borja, Angel; Uriarte, Ainhize; Muxika, Iñigo; Garmendia, Joxe Mikel; Uyarra, María; Courrat, Anne; Lepage, Mario; Elliott, MikeThe Water Framework Directive (WFD) aims at achieving good ecological status (GES) for surface water bodies throughout Europe, by 2015. Consequently European countries are currently developing and intercalibrating methods based on biological, hydromorphological and physico-chemical quality elements for the assessment of their transitional waters, including fishes. The present work focuses on the response of fis...
Deliverable D4.4-2, part 1: Testing the adaptability and behaviour of 6 fish in...
Courrat, Anne; Lepage, Mario; Pérez-Domínguez, Rafael; Uriarte, Ainhize; Fonseca, V.F.; Raykov, Violin; Borja, Angel; Neto, Joao; Cabral, HenriqueThe Water Framework Directive (WFD) aims at achieving good ecological status for surface waterbodies throughout Europe, by 2015. Consequently European countries are currently developing and intercalibrating methods based on biological, hydromorphological and physicochemical quality elements for the assessment and the monitoring of their rivers, lakes, coastal and transitional waters. In this context, the FP7 WI...