Pond-owners, you can breath a sigh of relief - don't worry about your iced-over ponds, and don't bother breaking a hole through the ice:
Received wisdom says that pond owners should break a hole in the ice to allow oxygen to reach the water.
But new research by conservation charity Pond Conservation has shown the opposite is true.
Oxygen levels can actually rise in a frozen-over pond, benefiting the animals and plants living beneath.
Take heed. This is important news.
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