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Bronze birch borer poster
PDF • 3.50 MB
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Blog
Ash Dieback in the National Trust
Ash is one of our most important tree species both ecologically and culturally, and is generally considered to be the third most common tree in British woods, comprising around 12% of woodland tree cover.
Luke Barley • 23 Aug 2021
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Blog
A record-breaking 2019 and new developments for 2020
2019 was a record-breaking year for the project, with almost 4400 tree health reports submitted by our volunteers.
Peter Crow • 20 Jan 2020
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Blog
Observatree show on the road!
Two weeks, two events, two firsts and one joined up message.
Peter Crow • 11 Jun 2019
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Blog
Oak powdery mildew - what's all the fuss?
Find out more about what causes powder to cover oak leaves in late summer.
Elsa Field • 16 Jul 2017
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Blog
Negative data is good!
One of the key messages we give Observatree volunteers is that you don’t have to find something to make a survey worthwhile or valuable.
Ellie Barham • 08 Mar 2017
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Oak processionary moth - Government webpage
External link
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Video
Induction Two: Tree Health Surveying
Our second induction webinar for 2022, tree health surveying covers site selection, tree health data, and survey forms. A fundamental introduction to conducting tree health surveys for Observatree. Presented by Rebecca Gosling, Woodland Trust.
01:08:23
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Horse chestnut leaf miner field identification guide
PDF • 3.06 MB
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Chalara dieback of ash detailed information
External link