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4042 Search Results

  • Trees

    London plane (LPL)

    London plane is a hybrid between Oriental plane (Platanus orientalis) from southern Europe and American sycamore (Platanus occidentalis). Generally thought to have a garden origin in Oxford during the 17th century with some disputed evidence of an origin in Spain hence its other commonly used name the syn. Platanus x hispanica. Very tolerant of atmospheric pollution and root compaction it is a popular street tree. With its mottled colourful bark, large size and stature it is instantly recognisable and an important part of London’s treescape, hence its common name. It is also widely planted in cities around the world with temperate climates for its ornamental and parkland value. The young leaves and seed shed short hairs and can be an irritant when breathed in. This can exacerbate breathing issues particularly for people with asthma. Although long cultivated and horticulturally well known there is little silvicultural knowledge on growing London plane as a productive forest tree in Britain. Current interest is the species may benefit from climate warming and its potential as an alternative to ash on some sites. London plane is categorised as a Plot-stage species.  These are species that have demonstrated some positive silvicultural characteristics at the Specimen-stage and are now subject to further testing in a limited number of trial plots.
  • Staff

    Alice Walker

    Entomologist
    Tree health
  • Staff

    Katarina Moravkova

    Research Scientist
    Mensuration, growth and yield
  • Publications

    Review of the Forest Trapping Network Year One Rollout 2022

    Lead Author: Alice Walker
    The Forest Trapping Network (FTN) forms a major part of GB’s Future Surveillance Plan (FSP). The FSP is a Great Britain-wide, broad-spectrum strategy to monitor quarantine and priority insect pests of forests included in the Plant Health (Phytosanitary Conditions) (Amendment) (EU Exit) Regulations 2020. The FSP outlines several survey techniques which target species on the […]
  • Staff

    Sir Harry Studholme

    Research Fellow
    Fellows
  • Staff

    Nick Porter

    Urban Forest Scientist
    Urban forests
  • Publications

    In Brief: Increasing tree cover on dairy farms in England: The role of farmers’ values

    Lead Author: Maddy Pearson
    Understanding the range of values held by farmers in relation to trees allows us to learn how, when, and where farmers may embrace having trees on their land. Explicit consideration of these values will better enable those working to design policies, incentives, tools, advice, or other communications to do so in ways which are more […]
  • Publications

    Paths to embracing trees on farms: The role of social and cultural values

    Lead Author: Stephen McConnachie
    What leads some farmers to dramatically increase the number of trees on their land? What role do social and cultural values play? And how do values and behaviour interact? Increasing tree cover across England is a key priority for the UK government, driven by the benefits that trees and woodlands offer, such as climate change mitigation […]
  • Publications

    Increasing tree cover on dairy farms in England: The role of famers’ values

    Lead Author: Maddy Pearson
    This Research Report explores the issues that matter to dairy farmers in England regarding trees and increasing tree cover on farms. It looks beyond financial considerations to explore the other factors which guide and shape farmer attitudes and behaviours in this area. Understanding the range of values held by farmers in relation to trees allows […]
  • Research

    Social and cultural values of treescapes

    This research project aimed to improve the representation and understanding of the social and cultural values of treescapes in plant health policy. Existing evidence on the social and cultural values of treescapes by publics tends to be limited in scope, for example to recreation, aesthetics, or health values.
  • Trees

    Big-leaf maple, Oregon maple (BLM)

    Big-leaf or Oregon maple, as the name suggests, has the largest leaves of any maple, typically 15–30 centimetres across: sometimes larger. It is the largest tree in the genus Acer and has been known to grow to 48 m in its native range, but this is exceptional: usual height range is 15 to 20 m. Big-leaf maple is the only commercially important maple of the Pacific coast region. Its uses include veneer production, musical instruments, interior panelling, and other hardwood products. There has been some interest in growing this species in Britain but there is little silvicultural knowledge on how to grow it successfully.  It may have a limited role in forest diversification in the wetter areas of western Britain. Big-leaf maple is categorised as a Plot-stage species.  These are species that have demonstrated some positive silvicultural characteristics at the Specimen-stage and are now subject to further testing and development in a limited number of trial plots.
  • Research