Fig. 3: Relationships between river barrier density and fish species richness across migration and threatened categories in the Mekong Basin. | Communications Earth & Environment

Fig. 3: Relationships between river barrier density and fish species richness across migration and threatened categories in the Mekong Basin.

From: Widespread and strong impacts of river fragmentation by anthropogenic barriers on fishes in the Mekong River Basin

Fig. 3

Bivariate choropleth plots showing the relationship between barrier density and potamodromous species richness (ranged from 0–135 species; a, diadromous migrant fish species richness (ranged from 0–125 species; b threatened fish species richness (IUCN status: Vulnerable (low threat), Endangered (moderate threat), and Critically Endangered (highest threat) c, in each sub-basin of the Mekong River.

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