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Dive into the research topics where Siân E. Rees is active.

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Featured researches published by Siân E. Rees.


Conservation Biology | 2015

Use of a seagrass residency index to apportion commercial fishery landing values and recreation fisheries expenditure to seagrass habitat service.

Emma L. Jackson; Siân E. Rees; Catherine Wilding; Martin J. Attrill

Where they dominate coastlines, seagrass beds are thought to have a fundamental role in maintaining populations of exploited species. Thus, Mediterranean seagrass beds are afforded protection, yet no attempt to determine the contribution of these areas to both commercial fisheries landings and recreational fisheries expenditure has been made. There is evidence that seagrass extent continues to decline, but there is little understanding of the potential impacts of this decline. We used a seagrass residency index, that was trait and evidence based, to estimate the proportion of Mediterranean commercial fishery landings values and recreation fisheries total expenditure that can be attributed to seagrass during different life stages. The index was calculated as a weighted sum of the averages of the estimated residence time in seagrass (compared with other habitats) at each life stage of the fishery species found in seagrass. Seagrass-associated species were estimated to contribute 30%-40% to the value of commercial fisheries landings and approximately 29% to recreational fisheries expenditure. These species predominantly rely on seagrass to survive juvenile stages. Seagrass beds had an estimated direct annual contribution during residency of €58-91 million (4% of commercial landing values) and €112 million (6% of recreation expenditure) to commercial and recreational fisheries, respectively, despite covering <2% of the area. These results suggest there is a clear cost of seagrass degradation associated with ineffective management of seagrass beds and that policy to manage both fisheries and seagrass beds should take into account the socioeconomic implications of seagrass loss to recreational and commercial fisheries.


International Journal of Biodiversity Science, Ecosystems Services & Management | 2012

Incorporating indirect ecosystem services into marine protected area planning and management

Siân E. Rees; Melanie C. Austen; Martin J. Attrill; Lynda D. Rodwell

Marine Protected Areas (MPAs) are recognised as being the mechanism through which marine ecosystem services may be conserved to benefit human well-being. Planning and decision-making can be supported by the quantification and valuation of ecosystem services. To inform the development and management of MPAs a ‘service-orientated’ framework has been developed to use available data to spatially map and explore the pathways between ecosystem services, processes and the ecological functioning of benthic species for indirect ecosystem service provision within a case study area. The framework demonstrates that ecosystem service delivery is functionally interlinked and ecological function cannot be clearly mapped onto individual ecosystem services. The methodology developed here enables decision-makers to understand the links between benthic species, ecological function and indirect ecosystem services. There is currently no measure to quantify how much function is required to maintain human well-being. This lack of a measure, coupled with a large amount of uncertainty surrounding the links between ecosystem function and ecosystem service provision in marine systems, demonstrates that the inclusion of percentage targets for the conservation of broad-scale habitats in MPA planning and management should be considered within a precautionary approach to maintain the delivery of indirect ecosystem services.


Journal of Environmental Management | 2013

A thematic cost-benefit analysis of a marine protected area.

Siân E. Rees; Martin J. Attrill; Melanie C. Austen; Stephen C. Mangi; Lynda D. Rodwell

The implementation of Marine Protected Areas (MPAs) is ultimately a social endeavour to sustain or improve human well-being via the conservation of marine ecosystems. The degree to which ecological gains are realised can depend upon how economic, ecological and social costs (negative impacts) and benefits (positive impacts) are included in the designation and management process. Without the support of key stakeholder groups whose user rights have been affected by the creation of an MPA, human impacts cannot be reduced. This study analyses a three year dataset to understand the themes associated with the economic, environmental and social costs and benefits of an MPA in Lyme Bay, United Kingdom (UK) following its establishment in 2008. Methodologically, the paper presents an ecosystem based management framework for analysing costs and benefits. Two hundred and forty one individuals were interviewed via questionnaire between 2008 and 2010 to determine perceptions and the level of support towards the MPA. Results reveal that despite the contentious manner in which this MPA was established, support for the MPA is strong amongst the majority of stakeholder groups. The level of support and the reasons given for support vary between stakeholder groups. Overall, the stakeholders perceive the social, economic and environmental benefits of the MPA to outweigh the perceived costs. There have been clear social costs of the MPA policy and these have been borne by mobile and static gear fishermen and charter boat operators. Local support for this MPA bodes well for the development of a network of MPAs around the UK coast under the United Kingdom Marine and Coastal Access Act 2009. However, this initial optimism is at risk if stakeholder expectation is not managed and the management vacuum is not filled.


Marine Policy | 2010

The value of marine biodiversity to the leisure and recreation industry and its application to marine spatial planning

Siân E. Rees; Lynda D. Rodwell; Martin J. Attrill; Melanie C. Austen; Steven C. Mangi


Ocean & Coastal Management | 2010

Is there a win–win scenario for marine nature conservation? A case study of Lyme Bay, England

Siân E. Rees; Martin J. Attrill; Melanie C. Austen; Steven C. Mangi; Jo P. Richards; Lynda D. Rodwell


Marine Policy | 2013

Priority questions to shape the marine and coastal policy research agenda in the United Kingdom

Siân E. Rees; Stephen Fletcher; Gillian Glegg; Charlotte Marshall; Lynda D. Rodwell; Rebecca Jefferson; Maria Campbell; Olivia Langmead; Matthew Ashley; Helen Bloomfield; Daniel Brutto; Andrew Colenutt; Alessandra Conversi; Bob Earll; Caroline Hattam; Simon N. Ingram; Emma McKinley; Laurence Mee; Jenny Oates; Francis Peckett; Jim Portus; Martin Reed; Stuart I. Rogers; Justine Saunders; Kylie L. Scales; Russell B. Wynn


Fisheries Research | 2013

Identifying the issues and options for managing the social impacts of Marine Protected Areas on a small fishing community

Siân E. Rees; Lynda D. Rodwell; Spike Searle; Andrew Bell


Marine Pollution Bulletin | 2013

A legal and ecological perspective of 'site integrity' to inform policy development and management of Special Areas of Conservation in Europe.

Siân E. Rees; Emma V. Sheehan; Emma L. Jackson; Sarah C. Gall; Sophie L. Cousens; Jean-Luc Solandt; Matthew Boyer; Martin J. Attrill


Marine Policy | 2015

The socio-economic effects of a Marine Protected Area on the ecosystem service of leisure and recreation

Siân E. Rees; Stephen C. Mangi; Caroline Hattam; Sarah C. Gall; Lynda D. Rodwell; Frankie J. Peckett; Martin J. Attrill


Environmental Science & Policy | 2015

Assessing the socioeconomic effects of multiple-use MPAs in a European setting: A national stakeholders’ perspective

D. Rodríguez-Rodríguez; Siân E. Rees; Lynda D. Rodwell; Martin J. Attrill

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Melanie C. Austen

Plymouth Marine Laboratory

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Olivia Langmead

Plymouth State University

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Matthew Ashley

Plymouth Marine Laboratory

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Steven C. Mangi

Plymouth Marine Laboratory

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Emma V. Sheehan

Plymouth State University

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Sarah C. Gall

Plymouth State University

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