Nick Atkinson is a Fellow at the Centre for Ecology and Hydrology. He is also an employee of the Woodland Trust. Ash dieback – a fatal disease of Britain’s native ash trees (Fraxinus excelsior) – is ...

New research finds that ash dieback is far less severe in the isolated conditions ash is often found in, such as forests with low ash density or in open canopies like hedges, suggesting the long term ...

Ash dieback is a severe disease that has substantially threatened European ash populations, particularly Fraxinus excelsior. The disease is caused by the invasive ascomycete fungus Hymenoscyphus ...

For the past decade the outlook has been gloomy for European ash trees devastated by ash dieback and facing the threat of more invasive pests. For the past decade the outlook has been gloomy for ...

The Forestry Commission says a whole generation of ash trees will die with the unstoppable spread of the ash dieback disease. It is a year since it was first discovered in the wider environment and ...

Ash dieback threatens 95% of all European ash trees and has already killed or severely damaged a quarter in southern Sweden and destroyed more than 80% of young ash trees in Norway. "It's incredible ...

In ash trees, signs and symptoms of infestation by the emerald ash borer (Agrilus planipennis) include crown thinning and dieback, woodpecker damage, bark splits, eggs under bark, serpentine larval ...

Ash trees are fighting back against a disease that has ravaged the British countryside, new scientific evidence shows. When ash dieback arrived in 2012, it was predicted up to 85% of ash trees could ...

A section of a major road into Bristol is set to be closed for four days later this month. A section of the A38 between ...

“Sudden Branch Drop Syndrome (also known as Summer Branch Drop) is a poorly understood phenomenon where large, seemingly healthy branches suddenly break and fall from mature trees, often on hot, calm ...