"Weir today, gone tomorrow?"

That's the headline in the Guardian online article about Bowston weir, built in 1874 and now being demolished. It's apparently the largest river barrier removal planned for the UK this year, as part of the initiative to improve biodiversity by allowing fish and invertebrates to move more freely along the UK's rivers.  If only there had been plans to retain biodiversity in the short-term as work is being carried out, as well as the long-term gains.