The Competition Commission's analysis in 2007 of entry and exit conditions among small stores across more than one thousand British high streets provided a landmark piece of research on a topic in which debate and policy recommendations had moved significantly, and arguably dangerously, ahead of the available evidence base. Within a general context of a continuing long-term decline of specialist small stores in British town centres and high streets, it cast considerable doubt on the popularly held view that a broad-based decline of the independent convenience store sector was taking place across the UK, or that Britain's high streets were experiencing an accelerating decline in their small and specialist stores. Additionally, and even more controversially, the Commission's analysis was able to demonstrate that competitive entry by larger format corporate food retailing was not inevitably and uniformly associated with negative impacts on the small store sector. It is known that the Commission's research was paralleled by an identical analysis conducted on behalf of one of the main parties to the Groceries Market Inquiry by the University of Southampton. The first component of the Southampton analysis, which both corroborated and extended the Commission's findings, is available in the public domain. This paper now presents the second component of the Southampton analysis, which similarly both corroborates but also extends the vitally important ‘conditional entry’ dimension of the Commission's research—focusing directly on the extent to which entry into the small store sector during the early to mid 2000s might have been constrained by, and exit from the sector accelerated by, the competitive impacts of larger format foodstore openings by the major corporate retailers. The paper shows: (a) that there is an important missing regional dimension within the Commission's analysis, and (b) that entry and exit into the small store sector in the UK during 2000–06 was constrained and/or accelerated by the competitive impacts of supermarket opening in a different fashion within ‘London and prospering southern England’ than elsewhere in the country. That is to say, in the region of the UK in which arguments about the threat of corporate retail to the diversity of the small store sector had often proved particularly heated, the Southampton analysis shows small shops in town centres and high streets to have been more robust to the competitive opening of larger format corporate foodstores than elsewhere in the UK. In that context, the paper suggests that the findings represent an ‘inconvenient truth’ which deserves consideration both in policy debate and in future processes of planning regulation reform. Discussion of the relevance of the findings in respect of the proposed changes to Planning Policy Statement 6 released for consultation by the Department for Communities and Local Government in July 2008 is presented.
ABSTRACT1. This paper reports on an extension to the use of Fluvial Audit survey to include a subjective and adaptive multi-criteria assessment (MCA) process that integrates scientific literature and observational data to develop three reach-scale indices of: (a) channel modification; (b) channel function (sediment store or source); and (c) naturalness. These indices are nested within an overall conceptual model of channel evolution and used to underpin catchment scale river restoration.2. The approach is described and applied to a small groundwater dominated river in the UK. The results show that over 48% of the total main river was in a degraded state relative to a conceptual model of a natural reference state. Only 23% of the river was in a near-natural state.3. MCA classifications were translated into a set of management actions necessary to return each reach to a near-natural condition. These are described.4. The method offers a transparent decision support for stakeholders that can incorporate differing scientific evidence. The use of MCA enables flexibility in terms of the relative importance of scores and weights placed upon factors in the final classification. This makes the approach amenable to stakeholder and public consultation.
Pine shoots, twigs and bark were exposed to 35SO2 in the field using a small exposure chamber. The rate of uptake by pine needles was found to be proportional to their conductivity for water vapour, indicating stomatal control of SO2 exchange. Other live surfaces absorbed negligible amounts but considerable uptake occurred on dead twigs bearing lichen and algae. The results were used to predict that the deposition velocity for SO2 to a pine forest canopy varies from about 0.1 cm s−1 at night to a daytime maximum value of 0.6 cm s−1. The rate of uptake may be an order of magnitude faster when the canopy is wet. Dry deposition of SO2 is probably the major mechanism for sulphur input to forests in Europe.
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