He explained how much of this ancient woodland has succumbed to deforestation, competing demands for land, and, as recently as the 20th Century, government efforts to replace existing woodland areas with faster growing but non-native conifer trees. It"s unclear exactly how extensive temperate rainforest coverage once was in the UK (Shrubsole said bluntly: "there was a lot more than there is now"), but the fragmented areas that do remain are isolated, often hard to reach and generally undocumented.

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