| The sediment replenishment to the river below dams is likely to become an increasingly important component of river restoration programs. In the present study， the short term responses of peripyton， benthic macroinvertbrates， fishes and the scenic value by sand supply in coarse cobble riverbed was investigated in the experimental rivers. The condition of peripyton had been improved and benthic algal assemblages had been significant changed by sand transport. Bed load and deposited sediment reduced macroinvertbrate density. The influence on macroinvertbrate assemblage and fish fauna were smaller than benthic algae. The scenic value of riverbed had improved with sand deposition and bed load. |
