Europe (3) Europe (3) Science (3) Fishes (3) Europe (3) test (2) spectacle (2) restauration (2) élimination (2) habitat (2) poisson (2) effet (2) dégradation (2) Composition (2) Water levels (2) Restoration ecology (2) Weirs (2) Weights and measures (2) Water (2) Lakes (2) Invertebrates (2) Evaluation (2) Chains (2) Biotic communities (2) Back (2) Tax assessment (2) Algae (2) Organisms (2) Structure (2) Stream restoration (2)