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Detailed Design  9.9  Biodiversity                          Biodiversity must be considered at the larger

           9.9.1 Principles of design for biodiversity


           Geology and climate are fundamental
                                                                  catchment scale to create a sympathetic
           influences on the natural character of the
                                                                  green / blue infrastructure and also at a local
           landscape and determine the basic habitat
                                                                  scale to provide habitat and connectivity
           types likely to evolve over time.
           Local topography, aspect, soils, landscape
           design and habitat management all affect
           biodiversity in a developed landscape and              linkages within and around development.
                                                                   A biodiversity micro-pool set within a meadow
           can be influenced by SuDS design.                            raingarden at St Peters School Gloucester,




















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           9.9.2 Biodiversity at development scale


           There is usually a host landscape that                 habitat wherever this is possible but careful
           provides an enclosing envelope to the SuDS             design can still enhance wildlife value in
           ‘management train’. This term describes the            ornamental planting by following specific
           landscape not directly affected by SuDS                guidance.
           features and the impact of rainfall
                                                                  Where SuDS installations are more isolated,
           management.
                                                                  for instance in urban retrofit and re-
           This surrounding ‘host landscape’ may                  development, then SuDS spaces can act as
           include natural habitat or reflect more                biodiverse islands, sometimes likened to
           ornamental planting, particularly where it is          ‘service stations’, that act as staging posts
           close to buildings.                                    and feeding sites for mobile species like
                                                                  birds, insects and other wildlife in an
           The wider host landscape should reflect the
                                                                  otherwise hostile environment.
           ecological character of surrounding natural


           Enfield Council SuDS D & E Guide                                                                            © 2018 McCloy Consulting & Robert Bray Associates
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