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Landfill sites represent a large land area of the UK, with great potential to support woody vegetation as part of sustainable reclamation. Forest Research investigated early and modern restoration practices to develop guidelines on the most suitable methods to support the growth of trees and other vegetation.
This work began in 1998 and was completed in 2008
Tree survival rates: for most species, around 50-85% of originally planted trees remain from early restoration work
The research concluded that 1.5m of soil or soil-forming material over a mineral cap will ensure that trees can be established on landfills without posing a significant threat to cap integrity for at least 16 years. It is still a little early to assess the full impact of tree rooting on cap integrity or the interaction between conditions within the landfill cap and tree rooting over the life time of a tree.
Foot, K. & Moffat, A. (2008). Woodland establishment on landfill sites, Ten Years of Research. Forest Research and Communities and Local Government
Woodland establishment on landfill sites: site monitoring (2000). Department for Communities and Local Government
The results of 3 years commissioned research in the 1990s provide valuable information and advice on this important topic. Care in soil selection and placement, species choice, tree stock type, weed control, and protection against browsing animals is emphasised. Provided that there is a sufficient depth of overlying soil, woodland should pose no greater threat […]
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