This specific type of green or ‘living’ roof typically either tries to replicate as closely as is practical the ecological environment of the site where construction has taken place or sets out to create a natural habitat to support a variety of flora and fauna.
There has been a growing interest over the last few years in green roofs that are designed and installed specifically to meet biodiversity needs and the action plans of Local Authorities to support the environment.
The vegetation and type of substrate selected should be suitable to support the differing biodiversity species the roof is designed for. Whilst natural colonisation by plants was initially favoured, the need to provide the correct plants to meet the specific biodiversity requirement for the site has lead to a variety of vegetation mixes being used.
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