advice on ash dieback

tree surgeons – see section 9 - Sources of further advice. protected under other legislation (see section 8 - Other legislation and tree protection). Therefore, some management, and promotion of natural regeneration, Monitoring should happen with increased frequency and at an appropriate time of year for assessing the extent of infection. Such works practitioners. including the felling of multiple individual ash trees, will need to be permitted through use alternative location, but to do so the applicant must demonstrate the benefits of an Extensive user guidance is provided to help you set up your account and property and to A licence will last for 5 years from date of approval; 10 years if associated with an It is also informed by safety guidance and advice published by the forestry sector through declining trees can provide valuable habitat for other flora and fauna, some of which is (NPs), Areas of Outstanding Natural Beauty (AONBs), the Norfolk Broads or Heritage Ash dieback disease is spreading throughout Devon. Standard compliant woodland management plan and the Forestry Commission review and what risks you think are likely if the tree declines, e.g. Ash trees across much of European protected species (EPS) listed in the Conservation of Habitats and Species First confirmed in Britain in 2012, ash dieback, previously known as ‘Chalara’, is a disease woodland settings. honey fungus, would also fall within the scope of the Where practicable, use machinery such as a harvester or tree shear to fell trees. are appropriate to the sensitivity of the local landscape and which will help replace the pruning or safe felling, that ash dieback will create. We hope the following information will be of use. You will need to consider whether active intervention is required or not. Liabilities can arise if trees and branches fall. If any of these exceptions can be readily identified, then they can be used. unbuilt upon and free from fences and other works that impinge on access to the land. It is informed by evidence and experience from continental Europe, where variety of ecosystem services that ash had previously provided. appears to more rapidly lose timber strength and integrity and is prone to structural Infection leads to dead branches throughout the crown. If you have ash trees in land under your control, it is your responsibility to act now. This advice has been developed through the expert knowledge of UK researchers and for controlling the management or felling of individual ash trees. If one or more of the exceptions within the legislation applies, there is no requirement to consult the Forestry Commission before doing the work. Other problems such as drought stress, water logging, root damage, soil compaction, or other pests and diseases can cause ash trees to decline. increased risks from ash dieback on their ash trees. The species accounts for 12% of broadleaved woodland in Great Britain and is commonly found in parks, gardens and hedgerows. registered as common under the 1965 Commons Registration Act, regulated by a Provisional Order Confirmation Act under the 1876 Commons Act, subject to a scheme of management under the Metropolitan Commons Act 1866 or Guide to identifying Ash trees and Ash dieback Ash dieback or Chalara dieback is a serious fungal disease that only affects Ash trees. proportion of them growing in high risk locations in terms of regular public use. This web page has been designed to keep you informed of the latest guidance in relation to the management of Ash Dieback. Alternatively, promoting natural regeneration from local ash (in the right place), and Losing one of our most abundant native tree species will have a massive effect on our landscape, hedges and the wildlife they support. the Commons Act 1899, works on commons owned by the National Trust are covered by separate highly heritable. To download the Industry Code of Practice ‘Tree Work at Height’ please visit: To download the Safety Guidance for Managers – Felling Dead Ash guidance please visit: A brief guide to tree work terminology and definitions. Notwithstanding this interpretation of a dangerous ash tree, the presence of ash dieback checklists, Managing ash in woodlands in light of ash dieback: with wildlife legislation such as the Wildlife and Countryside Act 1981. Collaborate effectively with neighbours and local authorities in co-ordinating contractor the opportunity to put a TPO on the tree(s) affected by the felling proposal, should they It is thought that the same might apply to trees growing in streets and hedgerows. Natural England and the Forestry Commission have jointly prepared specific guidance for does not in itself provide the authority to fell trees without a felling licence. The timescale to receive an approved felling licence may take longer than is Ash Dieback fungal disease (Hymenoscyphus fraxineus) Ash Dieback is caused by a fungus on ash trees which has spread from mainland Europe to most parts of the UK. permissions and licences are required from other bodies. To help deliver high risk priorities in ash tree management, ash trees management in which may also apply to proposals to fell ash trees, and sometimes additional consents, All site personnel should contribute to job planning, raise points of concern and stop work if something is unclear or a safety issue arises. understood. The Forestry Act 1967 (Section 9(1)) states that the felling of growing trees, including a number of ash trees, the location of specific trees with features of importance e.g. be used for exceptional circumstances where there is an obvious danger. Euroforest Ireland are the largest independent providers of safe, efficient timber and marketing services throughout Ireland. ash trees is undertaken. There has been a legal requirement to obtain Secretary of State Consent to carry out How can I find out if the trees within my ownership are protected? Locations with statutory access rights, such as roads and public rights of way felling are within a Conservation Area, the Forestry Commission will consult with the of tolerant trees may lead to more tolerant strains. need for a wildlife licence – but to do so you may just have to modify or reschedule some The Forestry Commission is responsible for implementing the UKFS in England. Some ash trees appear to be able to tolerate infection. This Operations Note is supplementary to and does not replace any existing published imposed on what scale of works can be carried out over time. routes etc. are retained and available to be reused for future applications for tree felling. Supplementary Notice of Operations with your felling licence application. trees with potential to affect ‘high risk’ locations, should be an immediate concern. That in high risk locations (beside highways, network infrastructure and public Commission recommends that you apply for and obtain one at your earliest convenience. As a consequence, substitute species will be needed to fulfil extant landscaping conditions. woodland potentially being a habitat focus. applies to land: Both Acts require that consent is obtained for any restricted works that will prevent or alternative position for the trees or woodland in the landscape. provided in greater detail online (see Managing ash in woodlands in light of ash dieback: Good Practice guidance has been published by the Forestry Commission and Natural planning authority before making our decision whether to issue a felling licence. often associated with these lesions can weaken trees and make them more prone to falling. It will take only 2 minutes to fill in. Note: Whether or not you need a felling licence, you have to notify the planning authority Trees are infected in the summer by airborne spores from fruit bodies occurring on the central stalks of fallen leaves – moist conditions favour the production of fruit bodies. Understanding what risks a land owner might face from ash dieback, particularly from ash the Tree Preservation (England) Regulations 2012 and the Town and Country ash dieback (and by secondary pests or pathogens). Additionally, any ash tree showing basal lesions, either with or without evidence of may need a wildlife licence in certain circumstances. Also, alongside a felling licence, you may still need to obtain other permission or consent, The tolerance of some ash trees, whether genetic or due to site conditions, should not be overlooked when taking action to manage the impact of ash dieback. Information and advice about managing trees and woodland affected by Chalara ash dieback, caused by the fungus Hymenoscyphus fraxineus, formerly known as Chalara fraxinea. where there are Sites of Special Scientific Interest (SSSI), Scheduled protected site to be allowed to take place. railways. example, as resting, breeding or foraging sites for important species, then mitigation approval, and will carry out checks to ensure the Standard is being complied with. These details are then be used to create an application for tree felling, and Practical advice for those with a responsibility for management of ash in woodlands. the tree using a rule, tape measure or, in distance shots, a person or a vehicle. Replacement tree planting should take account of site constraints. Managers note on felling ash dieback affected trees. A felling licence application will therefore need to cover all The following sections provides some basic steps that land managers should apply to help A written report from a suitably qualified and experienced tree contractor or mapping system for future reference and for operational planning purposes. Commission in the use of felling licences and felling exceptions (Forestry Act 1967), but Check first with the local planning authority and obtain any necessary written consent before proceeding with works to prune or fell protected ash trees. The disease causes leaf loss and crown dieback and is usually fatal in younger trees whereas mortality in older trees is more often associated with the combined impact of root pathogens such as the honey fungus (Armillaria mellea). Licences for felling individual trees, groups of trees or wooded areas will usually be It is important to diversify the species and to think about provenance when selecting trees in order to maximize the landscapes resilience to pests, diseases and climate change. The disease is particularly destructive of our native, common ash. Whilst there is no evidence of full resistance to the disease, research and experience in Europe indicates that up to 5% of the ash population may be genetically tolerant to ash dieback. changes resulting from ash dieback are not yet fully understood or realised. comply with the law, and should be acting now in their preparation to deal with the likely Both diseases have potential to significantly impair the structural integrity of ash trees. An example survey checklist is shown in Appendix 1 - Example: A tree inspection We’ll send you a link to a feedback form. For further technical information, and images, see, www.forestresearch.gov.uk/tools-and-resources/pest-and-disease-resources/chalara-ash-dieback-hymenoscyphus-fraxineus/. mitigation, if you have important or protected species populations to consider, as you may Felling Licences will, in most cases, have conditions applied them to require restocking These include ensuring the larger diameter logs have no evident signs of the disease (e.g. The UKFS ensures that rules on e.g. Evidence of tolerance or evidence of trees seemingly escaping the disease because, for example, they grow in open sites, should be taken into account. The Arboricultural Association biosecurity guidance: For further technical information and images visit: Links to further guidance on Ash Dieback can be found on the Arboricultural Association website at: If affected trees are situated in high footfall areas this can create health and safety risks, but it doesn’t necessarily follow that all ash trees will need to be pruned or removed or that they will all die. is no requirement to replant a tree which is felled under an exception. Ash Dieback is a fungal pathogen that affects the UK’s native ash tree and is the most significant tree disease to affect the whole of the UK since Dutch elm disease. Advice on Ash Dieback You’ve probably noticed road closures for tree felling around the Cotswolds over the past few months. In particular, anchor points should be visually inspected, selected as capable of withstanding any foreseeable loading and loaded with a climber’s full body weight prior to committing to that anchor. To request printed copies, contact tree_health@forestrycommission.gov.uk. To view this licence, visit nationalarchives.gov.uk/doc/open-government-licence/version/3 or write to the Information Policy Team, The National Archives, Kew, London TW9 4DU, or email: psi@nationalarchives.gov.uk. integrity and inherent strength of an ash tree may be severely affected by the disease and that you intend to work on or fell trees in a Conservation Area at least 6 weeks before any No evidence or research has come to light to suggest that wood made prior to being infected by ash dieback is weakened by the disease. Arboricultural Association Ltd. A company registered in England at The Malthouse, Stroud Green, Standish, Stonehouse, Gloucestershire GL10 3DL, UK. Restocking (including the planned use of natural A Forestry Commission investigator may visit the site after the felling takes place and it is your responsibility to prove that an exception applies. forest and woodland management across the UK. The Forestry Commission expects that most ash tree felling in response to ash dieback, The Forestry Commission gives the following interpretation of the ‘dangerous tree’ If affected trees are situated in high footfall areas this can create health and safety risks, but it doesn’t necessarily follow that all ash trees growing in these areas will need to be removed or that they will all die. State and the application dealt with under the Town & Country Planning Act. The leaves should be burnt, buried or composted. Especially on humid sites, the fungus can cause [necrotic] lesions at the base of ash trees. Such works include fencing, creating ditches, forestry works, new solid include managing nearby trees or woodland to improve its condition and create Where a felling licence would normally be required to fell trees, and there is a tree Over a number of years the effect of this may be that the branch structure and potentially the trunk is mechanically weaker with increased risk of uncharacteristic breakages under loading, when felling, or when trees and branches hit the ground. Where Located in areas with frequent or significant public use, such as adjacency to Therefore, anyone proposing to use an exception should secure ©Forestry Commission. with appropriate machinery and equipment to undertake the likely safety work, including it needs licencing. bat roost in a tree or a dormouse nest on the woodland floor), Forest Industry Safety Accord – Felling dead ash, National Tree Safety Group – Common sense risk management of trees. However, premature conclusions regarding levels of disease tolerance (good or poor) replanting, will take place to maintain tree cover in the local landscape. The principle tree and land protections are detailed below, but the list is not exhaustive. Details can be found at www.trees.org.uk. This leaflet provides some practical advice on managing Chalara’s impacts on biodiversity and the landscape, protecting economic returns from timber production, safeguarding Planning of tree felling operations must include provision for good escape routes so any loose or breaking branches can be avoided if they fall. Ensure you can identify ash trees, ash dieback, and other diseases associated with ash such as honey fungus, giant ash bracket and shaggy bracket correctly. land manager to obtain a long term approved felling licence, but also, giving them an Trees on your land are your responsibility 2. need for a licence, where certain criteria are met, is applicable, for example, trees For a full landscape epidemiology of ash dieback: www.biorxiv.org/content/biorxiv/early/2019/03/22/582080.full.pdf. The selection of any load bearing anchor point should be carried out in accordance with current good practice. trees will subsequently die from or be significantly affected by the disease in the coming Honey fungus (Armillaria spp.) Appendix 1 - Example: A tree inspection checklists. Hi, asking here because Im really after some laymans advice on Ash Dieback. ©Forestry Commission. Shaggy bracket (Inonotus hispidus) or giant ash bracket (Perenniporia fraxinea) may be observed, whether or not an ash tree is infected with ash dieback. Advice can be sought from suitably qualified and experienced tree consultants. ), making the trees structurally unstable. Failure to comply with felling conditions is an offence under the Act. Copyright © 2019 The Arboricultural Association. designations also carry increased levels of protection in relation to specific habitats, with network, built infrastructure, or a space with frequent public use and, The greater part of the crown of the tree is dead; and. risks resulting from changes in ash tree condition. The Forestry Commission will consult on felling proposals with the Local Access Forum. The buds are black and are found in opposite pairs. Clearing leaves may disrupt the fungus’s life cycle and slow the impact of ash dieback. As part of any tree survey intended to support a planning application, trees should be assessed and categorised using the criteria shown in Table 1 of British Standard 5837:2012 – Trees in relation to design, demolition and construction – Recommendations (BS5837). Showing evidence of significant tree health risk factors, such as dead limbs, Dead trees are prone to collapse or fall and dead branches are prone to break. fungus). Chalara dieback of ash, a disease caused by the fungus Hymenoscyphus fraxineus. Ash (Fraxinus excelsior) was once one of the most widespread tree species in Europe. Should you have any concerns over ash dieback on yours or your clients site/s then please contact our consultants, full details of whom can be found at the bottom of this screen. Tulik M, Yaman B, Kose N (2018) Comparative tree-ring anatomy of Fraxinus excelsior with Chalara dieback. www.gov.uk/guidance/tree-felling-overview, www.gov.uk/guidance/tree-felling-licence-when-you-need-to-apply. The Food and Environment Research Agency (Fera) advice 2. identify and maintain a diverse genetic ash tree resource, Showing evidence of use by or as a host for important or, the current condition of the ash tree population, the rate of condition change, including the cumulative rate of change locally across approved felling licence for trees on their land so that they can legally fell if they need to. conditional; this means there is an expectation that restocking, by either regeneration or There are 955 species associated with ash trees, of which 45 are believed to have only ever been found on ash.

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