Climate change a risk to survival of long-lived Norway spruce

The Swiss, who are more aware of climate change than the average Briton because of their disappearing glaciers and snow cover, are also worried about their trees, particularly the Norway spruce.

The Norway spruce is the mainstay of the Swiss forestry industry but is in danger of dying out this century because of warmer temperatures.

This spruce is common in Britain, best known perhaps as the classic Christmas tree, but also as a favoured habitat for the red squirrel. What the Swiss have discovered is that an increase in temperature and summer droughts expected this century is likely to kill off most of this spruce in their country.

Another important tree to the Swiss, the European beech, is also vulnerable to extra warmth and heat. Trees can adapt to climate change but in both these species there is about a 100-year time lapse between generations, so with rapid climate change there is not enough time for adaptations.

Full story at http://bit.ly/2vAoyDC

Source: The Guardian

 

 

 

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