Fig. 5: Distribution of themes identified in transboundary river literature by perspective and TRB size category.
From: Global disparities in transboundary river research have implications for sustainable management

A Natural Hazards. B Conflict and Cooperation. C Climate Change Studies. D Hydro-political Studies. E Disaster and Water Management. F Pollution. G Governance and Policy. H Landscape Ecology. We have used 64 themes to categorize 4713 case studies from 4237 research articles. A–H Represents the percentage of the occurrence of each theme under 8 perspectives.