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Modelling the spatial variability of species distribution is recognized as a significant ecological challenge due to the potentially large number of local and larger scale explanatory variables. Our objectives were (1) to estimate the relative importance of hydraulic, sediment size, biogenic (i.e., related to biotic processes), and physico-chemical features(More)
Community attributes result from processes operating at various spatial scales. The hierarchic organisation of rivers and the prevailing hypotheses about the variables that affect fish communities make lotic ecosystems particularly suitable to study processes taking place across spatial scales. The general goal of this study was to investigate how river(More)
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