1977-78 Changes in upland vegetation. Research contract awarded to the Institute of Terrestrial Ecology. Responsible for vegetation survey for the first year of a 3-year project; prior to deciding to become independent.
1980-2001 Advice on translocation of grassland and marshland vegetation near Staines, and subsequent annual monitoring.
1981 Survey and assessment of five possible sites for a nuclear power station, for the Nature Conservancy Council.
1985-96 Terrestrial ecology consultant to the Channel Tunnel project. This included several examples of habitat translocation and creation.
1995-96 Advice in laying a 300mm diameter water pipe through parts of the Peak District National Park, for Severn-Trent Water.
1998 Translocation of Ancient Woodland soil, on part of the Channel Tunnel Rail Link, Kent.
2000-02 Joint research project (with Horticulture Research International, Imperial College, and the Centre for Ecology and Hydrology) on the development of soils and vegetation in woodlands of different ages.
Mr Helliwell was a signatory to the declaration which set up the union of European foresters known as Pro Silva in 1989, and was for several years a council member of that body. He was also instrumental in the formation of a comparable body in Britain, the Continuous Cover Forestry Group, in 1991, and was elected to serve as chairman for the first four years of the Group’s existence. The objective of this Group, which is now affiliated to Pro Silva, is to encourage structural and biological diversity of forests and woods by the use of silvicultural systems which avoid clear-felling, and to work with natural processes as far as possible.
From 1999 to 2003 he acted as a judge for the Duke of Cornwall’s Award for Forestry and Conservation, which was administered by the Royal Forestry Society of England, Wales, and Northern Ireland, and in 2009 as a judge for the Society's 'Excellence in Forestry' competition.
© Rodney Helliwell 2014