How to reach a Good ecological status in rivers? Large scale models allow to identify regional pressures in European countries (France, UK, Slovaquia, Estonia) | Comment atteindre le "bon état écologique" dans les rivières ? Des modèles large échelle permettent d'identifier les pressions régionales dans des pays européens (France, UK, Slovaquie, Estonie)
2006
Wasson, J.G. | Villeneuve, Bertrand | Garcia Bautista, A. | Chandesris, A. | Pella, H. | Mengin, N. | Dobiasova, M. | Bacikova, S. | Murray Bligh, J. | Timm, H. | Iital, A. | Biologie des écosystèmes aquatiques (UR BELY) ; Centre national du machinisme agricole, du génie rural, des eaux et forêts (CEMAGREF) | SLOVAK HYDROMETEOROGICAL INSTITUTE SLOVAK REPUBLIK SVK ; Partenaires IRSTEA ; Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA) | ENVIRONMENT AGENCY BRISTOL GBR ; Partenaires IRSTEA ; Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA) | Estonian University of Life Sciences (EMU) | TUT TTU TALLIN UNIVERSITY OF TECHNOLOGY TALLIN EST ; Partenaires IRSTEA ; Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)
[Departement_IRSTEA]MA [TR1_IRSTEA]QSA / HYDRECO
Show more [+] Less [-]Extrait de document
Show more [+] Less [-]English. For the implementation of the Water Framework Directive, the question is no longer what is the good ecological status?, but how to reach it? Managers need diagnostic methods and pressures/impacts models allowing to set priority actions. We present large scale models developed in the REBECCA project. PLS regressions were used to evaluate the relative impact of land cover (at the basin and riparian corridor scale) on invertebrate indices taken from national monitoring networks; data were stratified by hydro-ecoregions. Urbanisation appears always as a dominant pressure, while arable lands have generally a negative impact, less acute but extensive, and more variable according to regions. Forests in the river corridor have a strong positive effect. The hydro-ecoregion level seems more informative to identify regional pathologies of river ecosystems.
Show more [+] Less [-]AGROVOC Keywords
Bibliographic information
This bibliographic record has been provided by Institut national de la recherche agronomique