Identifying Ecosystem-Based Alternatives for the Design of a Seaport’s Marine Infrastructure: The Case of Tema Port Expansion in Ghana

Wiebe P. de Boer, Jill H. Slinger, Arno K. wa Kangeri, Heleen S.I. Vreugdenhil, Poonam Taneja, Kwasi Appeaning Addo and Tiedo Vellinga
Additional contact information
Wiebe P. de Boer: Deltares, Boussinesqweg 1, 2629 HV Delft, The Netherlands
Jill H. Slinger: Faculty of Technology Policy and Management, Delft University of Technology, Jaffalaan 5, 2628 BX Delft, The Netherlands
Arno K. wa Kangeri: Wageningen Marine Research, P.O. Box 57, 1780 AB Den Helder, The Netherlands
Heleen S.I. Vreugdenhil: Deltares, Boussinesqweg 1, 2629 HV Delft, The Netherlands
Poonam Taneja: Faculty of Civil Engineering and Geosciences, Delft University of Technology, Stevinweg 1, 2628 CN Delft, The Netherlands
Kwasi Appeaning Addo: Department of Marine and Fisheries Sciences, University of Ghana, P. O. Box LG 99, Legon-Accra, Ghana
Tiedo Vellinga: Faculty of Civil Engineering and Geosciences, Delft University of Technology, Stevinweg 1, 2628 CN Delft, The Netherlands

Sustainability, 2019, vol. 11, issue 23, 1-19

Abstract: Long-term sustainable port development requires accounting for the intrinsic values of ecosystems. However, in practice, ecosystem considerations often only enter the planning and design process of ports when required by an Environmental Impact Assessment. At this late stage, most of the design is already fixed and opportunities to minimize and restore ecosystem impacts are limited. In this paper, we adopt a large-scale, ecosystem perspective on port development with the aim to identify ecosystem-based design alternatives earlier and throughout the planning and design of a port’s marine infrastructure. We present a framework, termed the ‘ecosystem-based port design hierarchy’ (EPDH), to identify ecosystem-based alternatives at four hierarchical design levels: 1) alternatives to port developments, 2) port site selection, 3) port layout design, and 4) design of structures and materials. In applying the EPDH framework retrospectively to a case study of port expansion in Tema, Ghana, we establish that ecosystem considerations played only a limited role in identifying and evaluating alternatives at all four design levels in the case study, whereas more eco-friendly alternatives in terms of port layouts, structures, and materials are identified using the EPDH framework. This reveals that opportunities for ecosystem-friendly port designs may have been missed and demonstrates the need for and the potential added value of our framework. The framework can assist practitioners in earlier and wider identification of ecosystem-based alternatives for a port’s marine infrastructure in future seaport developments and, hence, represents an important step towards more sustainable port designs.

Keywords: sustainable ports; ecosystem-based management; environmental impacts; port design; nature-based engineering; coastal environment (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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