Best practicesCreated on: 2 April 2026

Marseilles (France): Port infrastructures are used to improve the marine environment

Goal 10.5

Encouraging programmes aimed at restoring and developing biodiversity in the City Port territory.

Challenge(s)

How to work together with stakeholders to protect biodiversity?

Best Practice

Port infrastructures and activities can cause irreversible damage to seabeds and contribute to the disappearance of fauna and flora. This biodiversity can be restored and preserved by considering the environmental footprint and ecological engineering and eco-design measures for port infrastructures. Modifying existing infrastructure or building new facilities is important to protect ecosystems from the harmful effects of port and industrial activities. In Marseille, pilot projects bring stakeholders together to develop the port areas’ biodiversity.

Case Study

The Port of Marseille Fos, also known as the Grand Port Maritime de Marseille (GPMM), has collaborated with the maritime department of the Provence-Alps-Côte d’Azur Region, called “Pôle Mer Méditerranée” (previously “Pôle mer Paca”), to create the GIREL program. The program aimed to manage the infrastructures to help the coast’s ecological rehabilitation, developing tools and techniques to enhance port areas, and had a pre-tax budget of 4.5 million euros, running for five years, from 2011 to 2015. It involves research organisations such as CEFREM/University of Perpignan, IFREMER, and ECOMERS/University of Nice, as well as industrial partners like Suez Environnement, EGIS Eau, and SAFEGE.

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