Ground Imagery and Environmental Perception: Using Photo-questionnaires to Evaluate River Management Strategies - Fluvial Remote Sensing for Science and Management - page 406

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Figure 18.4 The influence of visible bed material on riverscape attractiveness. (a) Scores attributed by respondents in terms of aes-
thetics, satisfaction, and improvement. The size of sediment is indicated on the left side of the figure, and the areas occupied by water,
vegetation and bed material are visible on the right side of the figure. (b) Set of the ten riverscapes. (c) A visual analog scale (VAS).