Coral reef social–ecological systems under pressure in Southern Sulawesi

Reuter, Hauke; Breckwoldt, Annette; Dohna, Tina; Ferse, Sebastian C. A.; Gärdes, Astrid; Glaser, Marion; Huyghe, Filip; Kegler, Hauke; Knittweis, Leyla; Kochzius, Marc; Kraemer, Wiebke Elsbeth; Leins, Johannes A.; Lukman, Muhammad; Madduppa, Hawis; Nuryanto, Agus; Hui, Min; Miñarro, Sara; Forero, Gabriela Navarrete; Paragay, Sainab Husain; Plass-Johnson, Jeremiah Grahm; Ratsimbazafy, Hajaniaina Andrianavalonarivo; Richter, Claudio; Sawall, Yvonne; Máñez, Kathleen Schwerdtner; Teichberg, Mirta; Timm, Janne; Ven, Rosa Van Der; Jompa, Jamaluddin

doi:10.1016/b978-0-12-815050-4.00005-5

Science for the Protection of Indonesian Coastal Ecosystems (SPICE) 2022

DOI: 10.1016/b978-0-12-815050-4.00005-5

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Coral reef social–ecological systems under pressure in Southern Sulawesi

Hauke Reuter

Annette Breckwoldt

Tina Dohna

et al.

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Management of dredged marine sediments in Southern France: main keys to large-scale beneficial re-use

Dorleon,

Rigaud,

Techer

2024

Environ Sci Pollut Res

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Fifty million cubic meters of marine sediments are dredged each year in France in order to maintain harbor activities and sustain the economy of littoral territories. Because of anthropogenic activities in and around harbors, sediments can contain significant amounts of chemical and organic pollutants whose behavior during dredging must be addressed in order to avoid releasing risks for humans and the environment. French regulations come to govern the management of dredged sediments, considering them “safe” and possible to be dumped at sea or “contaminated” and needed to be treated on land as waste. In recent years, new constraints have been pushed toward the management of land. This management is, however, challenging as few channels are proposed to reuse marine sediments, and elimination appears to be economically and environmentally unsustainable. This study provides an overview of the technical and regulatory aspects related to dredged marine sediment management in France and aims to identify and discuss the limits of their valorization. Dredged sediments are mainly composed of particles with heterogeneous grain size, some being known for many applications such as building materials and growing media. However, several reasons have been put forward to explain why these particles are not reused when extracted from dredged sediments. Several technical, socio-economic, and regulatory obstacles explain the low demand for dredged sediments. This demand can be stimulated by government incentives and a good regulatory framework. National regulations could help streamline their reuse by removing their “waste” status and creating a regulated market for dredged sediment.

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Management of dredged marine sediments in Southern France: main keys to large-scale beneficial re-use

Dorleon,

Rigaud,

Techer

2024

Environ Sci Pollut Res

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Coral reef social–ecological systems under pressure in Southern Sulawesi

Cited by 1 publication

References 105 publications

Management of dredged marine sediments in Southern France: main keys to large-scale beneficial re-use

Management of dredged marine sediments in Southern France: main keys to large-scale beneficial re-use

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