Vast areas of land are now dominated by one species – purple moor-grass – and good luck with seeing a bird or insect there. How do we revive these habitats?
Deserts are spreading across great tracts of Britain, yet few people seem to have noticed, and fewer still appear to care. It is one of those astonishing situations I keep encountering: in which vast, systemic problems – in this case, I believe, covering thousands of square kilometres – hide in plain sight.
I realise that many people, on reading that first sentence, will suspect I’ve finally flipped. Where, pray, are those rolling sand dunes or sere stony wastes? But there are many kinds of desert, and not all of them are dry. In fact, those spreading across Britain are clustered in the wettest places. Yet they harbour fewer species than some dry deserts do, and are just as hostile to humans. Another useful term is terrestrial dead zones.
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