Mekong Basin: Hydropower or fish? Or both?

Eric Baran -

Nam Gnouang Dam (60MW), on a tributary of the Nam Theun River in Laos.

Eric Baran guest blogs about the increasing competition between hydropower and fisheries in the Mekong Basin, a WorldFish focus country.

The Mekong River is a goldmine. It features the world’s largest inland fishery, producing around 2.1 million tonnes of fish each year, which represents about 18% of the world’s annual freshwater fish catch.

More fish – surely we just need to farm the sea?

Stephen Hall -

Molluscs are the principal farmed marine product: giant clam exclosure, Solomon Islands. Photo by Mike McCoy

Some of the threats posed by climate change can appear rather esoteric or abstract. One of these is ocean acidification – it is not immediately obvious why we should care. A recent paper by Sara Cooley and colleagues give a good example of why the threat of changing ocean chemistry matters.