The Sitka spruce, a commercial forestry tree, has had the greatest increase in range of any species tracked

1970-1986

Distribution of

the Sitka Spruce

Picea sitchensis

Found within

10km grid square

Not found

1987-1999

2000-2019

Distribution of the Sitka Spruce Picea sitchensis

Found within 10km grid square

Not found

1970-1986

1987-1999

2000-2019

Guardian graphic. Source: The Botanical Society of Britain and Ireland. Plant Atlas 2020