this post was submitted on 19 Feb 2025
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UK Nature and Environment

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An improvement in freshwater biodiversity in England’s rivers was linked to reductions in pollution of zinc and copper, largely due to the decline of coal burning and heavy industry, say researchers.

Invertebrates are used as an important measure of a river’s biodiversity and health, and Environment Agency data show there was a widespread, significant increase in species richness across England in the 1990s and early 2000s. However, there has been little significant further improvement since then.

Therefore, a team of scientists led by the UK Centre for Ecology & Hydrology (UKCEH) looked for the possible reasons for this, using statistical modelling to investigate a wide range of different chemical and physical factors, such as temperature, river flow and landscape.

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