a Public Benefit Mapping Project - Green Infrastructure North West

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6.0COMBINING THE EVIDENCE –TOWARDS A PUBLICBENEFIT ASSESSMENTMAP 29A: POTENTIAL ENVIRONMENTAL BENEFIT ARISINGFROM GREEN INFRASTRUCTURE DELIVERY*Based upon data compiled prior to 21st July 20066.21 Figure 29A (2D) and 29B (3D) shown the potentialenvironmental benefit from GI enhancement.6.22 The areas of greatest potential benefit tend to fall intotwo categories. On one hand, the “crown jewels” such asSSSIs, Scheduled Ancient Monuments and strategic rivervalleys will benefit particularly from investment becausethese form the backbone of the <strong>Green</strong> <strong>Infrastructure</strong> for theregion. Investment here needs to be targeted particularly atrestoration of declining assets, along with buffering andconnecting assets with each other.6.23 On the other hand, there are many areas which are inenvironmental deficit, i.e. they are suffering a shortage ofbiodiversity interests, air quality/water quality problems.This has happened due to the significant long term attritionaffects of agricultural enhancement and urbanisation.However, in these environmentally-deprived areas, theprioritisation tool suggests that public benefit potentialis greatest where habitat creation works can jointlyaddress water quality, flood risk and environmentalconnectivity issues.45
6.0COMBINING THE EVIDENCE –TOWARDS A PUBLICBENEFIT ASSESSMENT6.24 The beauty of the public benefit approach to environmentalenhancement is that those locations which are in greatestenvironmental deficit but, at the same time, have the greatestopportunity for uplift can be identified. This will allow forbetter targeting of investment. Where such an investment canalso yield social and / or economic returns particularly interms of community enjoyment of natural greenspaces thenthere is surely the strongest case for investment.6.25 Even within the environmental sector alone, prioritisationof investment for GI management is needed since the scale ofthe task is so great. Maps such as 18 (GI Connectivity) showwhere an environmental skeleton can be re-built in order toact as a framework for sustained environmental enhancementin the long term. This is a starting point from which tointerpret how to create networks of green infrastructure at astrategic level. Further development of mapping techniquesand incorporation of local knowledge can only enhance theability to flesh out these skeletons of connectivity which can beprioritised in Local Development Frameworks. We can thenwork down through the layers to identify appropriatesituations for local delivery.6.26 For example, it is important to be aware that certaindatasets relating to public rights of way are not included in theanalysis. The addition of data showing where public access toopen space is poor would help map need. Conversely, areaswhere the PROW network is well-developed offer a “skeleton”for reconstruction of other environmental and culturalnetworks.6.27 It would be useful to build in local knowledge where thisis available. This may be particularly relevant to local heritagefeatures which are not necessarily mapped consistentlyacross the region. It is known that some areas, for examplesome parts of the River Nene Regional Park and parts of aputative Sherwood Regional Park appear relatively devoid ofregionally or nationally-significant heritage, but do supportnumerous pockets of local heritage which collectively producea rich landscape.6.28 Further thinking is needed on how to value, at a regionallevel, such areas where there is high sub-regional interestand high potential for enhancement. As noted above, furtherdevelopment of tools for mapping how environmentalinfrastructure might be re-built could be considered (as isoccurring in the River Nene). Another approach might be toensure a priority for the environmental focus in the multiplebenefitmap stages, for example biodiversity enhancementareas – see discussion below in relation to Map 31C.MAP 29B:POTENTIAL ENVIRONMENTALBENEFIT ARISING FROM GREENINFRASTRUCTURE DELIVERY(3 DIMENSIONAL REPRESENTATION)46
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