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### Select Rivernet by Flow

This command allows users to reduce the number of displayed river segments using the criterion of minimum flow. A dialog will ask for a minimum mean flow value in [m3/s]. Those river segments with a lower mean flow will be set at invisible. This command is directly applied to the river network theme of the active scenario (no copy of the theme is created).

Hence a value of '0' (or any negative number) means all stretches are displayed.