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Design options, implementation issues and evaluating success of ecologically engineered shorelines

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Morris, RL, Heery, EC, Loke, LHL, Lau, E, Strain, EMA, Airoldi, L, Alexander, KA ORCID: 0000-0001-8801-413X, Bishop, MJ, Coleman, RA, Cordell, JR, Dong, Y-W, Firth, LB, Hawkins, SJ, Heath, T, Kokora, M, Lee, SY, Miller, JK, Perkol-Finkel, S, Rella, A, Steinberg, PD, Takeuchi, I, Thompson, RC, Todd, PA, Toft, JD and Leung, KMY 2019 , 'Design options, implementation issues and evaluating success of ecologically engineered shorelines', in SJ Hawkins and AL Allcock and AE Bates and LB Firth and IP Smith and SE Swearer and PA Todd (eds.), Oceanography and Marine Biology: An Annual Review , Taylor & Francis Ltd, Boca Raton, Florida, pp. 169-228.

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Abstract

Human population growth and accelerating coastal development have been the drivers for unprecedented construction of artificial structures along shorelines globally. Construction has been recently amplified by societal responses to reduce flood and erosion risks from rising sea levels and more extreme storms resulting from climate change. Such structures, leading to highly modified shorelines, deliver societal benefits, but they also create significant socioeconomic and environmental challenges. The planning, design and deployment of these coastal structures should aim to provide multiple goals through the application of ecoengineering to shoreline development. Such developments should be designed and built with the overarching objective of reducing negative impacts on nature, using hard, soft and hybrid ecological engineering approaches. The design of ecologically sensitive shorelines should be context-dependent and combine engineering, environmental and socioeconomic considerations. The costs and benefits of ecoengineered shoreline design options should be considered across all three of these disciplinary domains when setting objectives, informing plans for their subsequent maintenance and management and ultimately monitoring and evaluating their success. To date, successful ecoengineered shoreline projects have engaged with multiple stakeholders (e.g. architects, engineers, ecologists, coastal/port managers and the general public) during their conception and construction, but few have evaluated engineering, ecological and socioeconomic outcomes in a comprehensive manner. Increasing global awareness of climate change impacts (increased frequency or magnitude of extreme weather events and sea level rise), coupled with future predictions for coastal development (due to population growth leading to urban development and renewal, land reclamation and establishment of renewable energy infrastructure in the sea) will increase the demand for adaptive techniques to protect coastlines. In this review, we present an overview of current ecoengineered shoreline design options, the drivers and constraints that influence implementation and factors to consider when evaluating the success of such ecologically engineered shorelines.

Item Type: Book Section
Authors/Creators:Morris, RL and Heery, EC and Loke, LHL and Lau, E and Strain, EMA and Airoldi, L and Alexander, KA and Bishop, MJ and Coleman, RA and Cordell, JR and Dong, Y-W and Firth, LB and Hawkins, SJ and Heath, T and Kokora, M and Lee, SY and Miller, JK and Perkol-Finkel, S and Rella, A and Steinberg, PD and Takeuchi, I and Thompson, RC and Todd, PA and Toft, JD and Leung, KMY
Keywords: ecological engineering, shorelines, coasts, implementation
Publisher: Taylor & Francis Ltd
DOI / ID Number: 10.1201/9780429026379
Copyright Information:

Copyright 2019 S.J. Hawkins, A.L. Allcock, A.E. Bates, L.B. Firth, I.P. Smith, S.E. Swearer, and P.A. Todd. Licensed under Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) https://creativecommons.org/licenses/by-nc-nd/4.0/

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