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The Llyn Brianne Observatory is one of the longest-running catchment projects anywhere in the world. The Observatory is a key source of evidence and policy advice on river ecosystems.

Helicopter dumps lime over conifer forest


Assessing the effects of acid rain on upland rivers.

Stream with snow on banks and people collecting biological samples

Global change

Understanding the impact of global climate change on freshwater.

Landscape showing Llyn Brianne reservior in autumn

Land use

Investigating the impacts of land use on stream ecosystems

Conifer trees, some cut

Ecosystem services

We play a leading role in ecosystem service research.

Dipper with food items in beak


Our research covers a wide range of organisms.