Escala de referencia.

Considering the scope and the constraints of this research, it is imperative to recommend further work in the following areas:

 A comprehensive stakeholder engagement to provide sustainability indicators index is required. This engagement process should be used to develop a weighting scheme for different sustainability indicators based on local context. This would support land contamination management

decision-making and ensure stakeholder views are reflected in decision- making.

 The prioritisation methodology could benefit from the inclusion of more attributes provided data is available. Attributes such as cost of remediation would improve the prioritisation decisions.

 A baseline study of the Niger Delta ecology is required. This will inform contaminated land restoration or remediation projects in the region. It will also support the characterisation of species of fauna and flora that has gone into extinction.

 A methodology for developing fit-for-purpose land use standards for human and environmental protection in Nigeria is required.

 A spatial study of the extent of rural livelihood impacted by oil spills will support planning and allocation of resources.

 A quantification of the extent of oil-related land contamination in the oil producing communities of the Niger Delta is required.

 A quantification of how much of livelihood impacted by oil spill in different communities is required. This will enable the determination of communities suffering the most and inform Government planning and action.

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