Credit: WTML
Credit: WTML
The UK is at risk of losing millions of trees to pests and diseases.
Observatree is a tree health early warning system to help us spot and report outbreaks of tree pests and diseases quickly so they can be eliminated or controlled.
It relies on a network of almost 200 trained volunteers and tree health professionals who survey and check trees throughout the UK.
Visit the Observatree website to find out more, sign up for future updates or get involved.
Our Observatree collaborators:
What we are doing about tree pests and diseases
We are fighting back against pests and diseases. Find out what we're doing to prevent the spread and protect the UK’s trees.
Key threats to look out
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Trees woods and wildlife
Ash dieback
Find out how to spot ash dieback and how it's threatening 80% of the UK's ash trees.
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Trees woods and wildlife
Oak processionary moth
Oak processionary moth strips oak trees and is a health risk to humans. Discover more about this accidental import.
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Trees woods and wildlife
Sweet chestnut blight
Find out how this devastating fungal infection is affecting our historic sweet chestnut woods.