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Senior Scientist – Entomology

A Senior Scientist – Entomology role, at Forest Research (FR), to lead on developing research on key forest pest species which may include Hylobius large pine weevil, Dendroctonus great spruce bark beetle, and pine tree lappet moth. Members of the entomology team typically undertake field and laboratory-based investigations and research into a range of invertebrate pests, most notably bark […]

Greg Counsell

Grace van der Wielen

George Murrell

Rachel Orchard

Scientist – Entomology

A Scientist – Entomology role, in Forest Research (FR), to support the entomological contribution to the Tree Health Diagnostic and Advisory Service (THDAS). We are seeking to appoint a permanent Scientist – Entomology, based in Alice Holt to support the entomological contribution to the Tree Health Diagnostic and Advisory Service (THDAS). THDAS undertakes field and […]

A Farmer’s Guide to Ash Dieback

Serbian spruce (OMS)

Serbian spruce was once widespread in Europe but became a victim of the last ice-age and is now a relict limited to refugium in a confined area of the Balkans. It is listed as Endangered by the IUCN. An elegant tree instantly recognisable by its narrow spire like form and drooping branches; a natural adaptation to shedding snow. Serbian spruce was one of many species trialled in Britain but never widely planted. However, its silvicultural characteristics could enable it to fill a niche in UK forest diversification. Serbian spruce is categorised as a Secondary tree species.  These are species that have demonstrated positive silvicultural characteristics in trial plots but gaps in knowledge constrain wider use. These species are being actively evaluated to increase understanding and inform future deployment.

Small-leaved lime (SLI)

Small-leaved lime is a long-lived tree (up to 500 years) and one of two native species. It occasionally occurs in pure stands but usually as a component of mixed broadleaved woodlands. It has a wider distribution and is more common than the other native large-leaved lime (Tilia platyphyllos) The hybrid (T. x europea) of small and large-leaved lime is very widely planted especially in parkland and avenues. Limes exude copious amounts of aphid honeydew in summer and can be an irritation if you park your car under one. Once a dominant forest species it declined after 3000 BC largely due to human activity. Lime woodlands that still exist largely remain due to local historical importance and are often linked to local place names e.g., Lyndhurst (Hampshire), Limpole (Northamptonshire) and Linwood (Lincolnshire). Small-leaved lime is a native tree and is categorised as a Secondary tree species. These are tree species that have demonstrated positive silvicultural characteristics in trial plots but gaps in knowledge constrain wider use. The species are being actively evaluated to increase understanding and inform future deployment.

Wellingtonia, Giant sequoia (WSQ)

Wellingtonia old growth trees in California are known as the largest living trees on earth. Specimens are known with a DBH of nearly 9 m and ages of over 3000 years old. A widely planted tree since mid-Victorian times and often, today, the tallest tree in a locality. Frequently planted as an avenue. Surprisingly few plantations have been established despite showing vigorous growth in several plots on a range of sites. The Royal Forestry Society’s redwood grove on the Leighton Estate, Powys, plainly demonstrates its considerable potential as a timber species. Wellingtonia is listed as Endangered by the IUCN. Wellingtonia is categorised as a Secondary tree species. These are species that have demonstrated positive silvicultural characteristics in trial plots but gaps in knowledge constrain wider use. The species are being actively evaluated to increase understanding and inform future deployment.

Red oak (ROK)

A fast-growing, non-native broadleaved tree that produces timber with good wood properties and has attractive autumnal colour.  There are currently 852 ha of the species in Britain, and it could find an increased role on drier soils in the south and east of the country as a result of climate warming. One of a number of red oak species a number of which have shown positive traits as specimens or in limited plot trials and warrant further research. Red oak is categorised as a Secondary tree species. These are tree species that have demonstrated positive silvicultural characteristics in trial plots but gaps in knowledge constrain wider use. The species are being actively evaluated to increase understanding and inform future deployment.