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Meeting rapidly rising food demands at least cost to biodiversity is one of the greatest challenges facing humanity. Since 2005, research in the Department of Zoology has demonstrated that measures to reconcile biodiversity and agricultural production are sometimes best focused on spatial separation (land sparing) rather than integration (land sharing).This work has had a significant impact on policy debate, and has informed policy decisions relating to management of the agri-environment at both national and international levels. Policy statements on increasing food production at least cost to nature now make explicit the potential role that land sparing may have, and place greater emphasis on the need for clear scientific evidence of costs and benefits of different approaches.
The Arctic is undergoing faster rates of climate change than most other regions of the world, with major global consequences. Since the 1990s, Professor Callaghan and co-workers at Sheffield have been at the forefront of determining climate change impacts on Arctic ecosystems. This research has directly led to, and fed into, invited authorship and major co-ordination roles in the authoritative international synthesis reports on climate change impacts commissioned by the Arctic Council and the Intergovernmental Panel on Climate Change (IPCC). Through these reports our findings have been widely communicated to international policymakers, the media and society. Callaghan and colleagues have provided policy advice directly to ministers, ambassadors, climate negotiators, and other leaders through face-to-face meetings and presentations, and influenced policy debates at regional to international levels. They have actively engaged in knowledge- exchange activities with Arctic indigenous societies, which are improving those societies' strategies for adaptation to climate change. Through public lectures, the media and authorship of a commissioned textbook, the Sheffield research findings have increased public understanding and influenced the A-level Geography curriculum.
The BUGS research project (1999-2007) at Sheffield was the first large-scale study to reveal the importance of domestic gardens for urban biodiversity. The evidence gathered showed, for the first time, that the extent of gardens, their unique features, and the biodiversity they support makes them a nationally important ecological resource, contributing enormously to conservation and human-nature interactions in urban environments. The results were reported in a series of 13 ISI-listed papers, a popular book and two articles in British Wildlife. The research has had impacts across many audiences and applications ranging from evidence for planning policy changes, through the science to support advisory and campaign groups, to informing public awareness of the merits of individual garden management practices. BUGS research has been a key catalyst in the increased recognition of the importance of gardens in supporting urban biodiversity.
The way in which UK upland hay meadows are managed and restored to conserve botanical diversity has been largely determined by research carried out at Newcastle University. Increased post-war agricultural production has converted most species-rich upland hay meadows to species- poor rye-grass grassland so that today only 1070 ha (hectares) undisturbed hay meadow remains. The Newcastle research has been used by Natural England (an executive non-departmental public body responsible for England's natural environment) to produce targeted management prescriptions for 2500 ha of farmland in northern England and has informed National Park and AONB (Area of Outstanding Natural Beauty) management on best practice for successful restoration of hay meadows. The research has ensured the successful restoration of more than half of the remaining upland hay meadows in England.
The project combined stakeholder knowledge with natural science to identify future scenarios and adaptation options for uplands. Research into upland ecosystem services identified win-win scenarios (e.g. around carbon management) and important trade-offs (e.g. effects on biodiversity). These were embedded within government policy reports leading to additional work in government departments seeking to overcome policy barriers in these areas in order to implement the recommendations from the research. Overcoming these policy barriers has influenced government's decision to work in partnership to launch a new peatland carbon code, focussing on upland peatlands, creating corporate social responsibility (CSR) options for companies via peatland protection and restoration.
The water industry sources significant drinking waters from peatland catchments and faces major water discolouration problems due to dissolved organic carbon (DOC) caused by peat degradation. DOC has to be removed to meet strictly regulated drinking water standards and to eliminate disinfection by-products. One proven, but expensive industry solution uses Magnetic Ion Exchange (MIEX) at treatment works. Research at the School of Geography (SoG) investigated catchment management as a potentially longer term, more sustainable treatment solution that addresses the problem at source. Yorkshire Water (YW) has subsequently adopted recommended practices, and has invested [text removed for publication] in catchment solutions yielding wider environmental benefits.
We conducted research on the impact of land-use change that has resulted in international action to improve forest management. Our research demonstrated that clearing forests to grow crops for biofuels leads to large carbon emissions. In light of these findings, the UK Government amended its biofuel policy to include mandatory sustainability criteria. Leeds researchers co-established with a number of businesses the charity United Bank of Carbon, resulting in the investment of £1.5 million and the protection of 200,000 hectares of forest. Our research underpinned a forest-based climate mitigation scheme resulting in the investment of an additional £440k in forest protection.
Research at the University of Exeter identifying potential climate tipping points and developing early warning methods for them has changed the framework for climate change discussion. Concepts introduced by Professor Tim Lenton and colleagues have infiltrated into climate change discussions among policy-makers, economists, business leaders, the media, and international social welfare organisations. Thorough analyses of abrupt, high impact, and uncertain probability events, including estimates of their proximity, has informed government debate and influenced policy around the world. It has also prompted the insurance and reinsurance industry to reconsider their risk portfolios and take into account tipping point events.
Preziosi and his research group have taken a leading role in conducting biodiversity research in the Ecuadorian Amazon, working in collaboration with national and local governments and indigenous communities. It is critical to monitor and conserve biodiversity in the Ecuadorian Amazon and preserve this unique habitat for local, national and international benefit. Preziosi's research group have demonstrated that indigenous people can be trained to monitor biodiversity accurately. The impact of introducing these new skills to local people in the Payamino community is that they have been empowered to locally monitor and adaptively manage their own resources. By educating local people about the importance of biodiversity, Preziosi's research group have changed the behaviours and attitudes of the community, leading to reduced participation in environmentally harmful practices.
The application of legislation and policy protecting European maerl habitats under the EC Habitats Directive has been strengthened by research at QUB showing that maerl, coral-like seaweed, is slow-growing, intolerant of disturbance and burial, and supports high biodiversity. A new marine Natura 2000 Special Area of Conservation (SAC) in Northern Ireland was designated for maerl in 2010. Maerl beds in the Fal and Helford SAC, the largest in England, were protected in 2009 from channel dredging until a Scientific Panel including a QUB academic has considered the results of a maerl-relocation trial in 2013.