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The potential ecological impact of ash dieback in the UK 2014


The purpose of this report is to provide supporting scientific information to help inform policy makers, land managers and advisers involved in management of woodlands and trees so that potential impacts of ash dieback on biodiversity are appropriately understood and considered. This will help to promote management practices that will conserve and enhance biodiversity and the delivery of ecosystem services.

The report gives an analysis of information about the ecology and biodiversity of ash (Fraxinus excelsior) considered in the context of ash dieback, caused by a fungus, ‘Chalara’ (Chalara fraxinea or Hymenoscyphus pseudoalbidus). Chalara has already affected a high proportion of ash trees in Northern Europe and is now spreading in the UK. Widespread death of ash trees within the UK has the potential to impact on populations of other plant and animal species that use ash trees for feeding/breeding or as a habitat (e.g. epiphytic lichens, bryophytes, specialist invertebrates).

Resource type Publication

Topic category Environment

Reference date 2014·01·01

Mitchell, R.J., Bailey, S., Beaton, J.K., Bellamy, P.E., Brooker, R.W., Broome, A., Chetcuti, J., Eaton, S., Ellis, C.J., Faren, J., Gimona, A., Goldberg, E., Hall, J., Harmer, R., Hester, A.J., Hewison, R.L., Hodgetts, N.G., Hooper, R.J., Howe, L., Iason, G.R., Kerr, G., Littlewood, NaA., Morgan, V., Newey, S., Potts, J.M., Pozsgai, G., Ray, D., Sim, D.A., Stockan, J.A., Taylor, A.F.S. & Woodward, S. 2014. The potential ecological impact of ash dieback in the UK, JNCC Report No. 483, JNCC, Peterborough, ISSN 0963-8091

Responding to the need to improve our understanding of the impacts of ash dieback on biodiversity in the UK, JNCC formed a consortium with the relevant agencies in each of the UK countries, to commission this research work and subsequent peer review of the report between February and December 2013.

Responsible organisation
Communications, JNCC publisher

Limitations on public access No limitations

Use constraints Available under the Open Government Licence 3.0

Metadata date 2019·11·01

Metadata point of contact
Communications, JNCC

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