Generating affordable protection of high seas biodiversity through cross-sectoral spatial planning

Lea Fourchault, Farid Dahdouh Guebas, Daniel C. Dunn, Kanthi K.A.S. Yapa, Stefano Cannicci, Anthony J. Richardson

Onderzoeksoutput: Articlepeer review


Over the past 20 years, industrial activities have accelerated in the open ocean. Fishing, shipping, and deep-sea mining are major drivers of this ‘‘blue acceleration,’’ with each having its own suite of impacts on species, communities, and ecosystems. We use a systematic conservation planning approach combining ecological and socioeconomic data from the fishing, shipping, and deep-sea mining sectors to examine the utility of a cross-sectoral approach. Applying our framework to the Indian Ocean, we show that the cross-sectoral spatial plan meets the same conservation targets at a lower overall cost and using a smaller area compared with sector-specific plans implemented simultaneously. In addition, we identify areas that are best suited to conservation using a replacement cost metric. Our approach ensures affordable biodiversity protection throughout the water column and can serve as a first step toward the implementation of the recently signed High Seas Treaty
Originele taal-2English
Pagina's (van-tot)253-264
Aantal pagina's12
TijdschriftOne Earth
Nummer van het tijdschrift2
StatusPublished - 16 feb 2024

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