Why don’t Rivers freeze?

by Russ on February 1, 2014

We’ve had a very mild winter in the North-West this year, but usually we would now be seeing snow, frost and ice covering our countryside. One habitat that seems unaffected by these conditions however is the river habitat. This is because even when garden ponds are freezing over, the flowing water takes much longer to freeze. The size, temperature and speed of the water are all factors that control this and as a result, if you go pond-dipping in February, you’ll still be able to find a few mini-beasts of the river, including the large dragonfly larvae!

This week we visited the River Ribble Valley with UCLan students. The valley offers a huge range of walks and habitats and we highly recommend a visit  this month!

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