Ocean governance

the challenges of the 21st century

Authors

  • António Alexandre Capitão-de-Mar-e-Guerra na situação de reserva. Doutorado em Relações Internacionais, na especialidade de Estudos de Segurança e Estratégia, pela Faculdade de Ciências Sociais e Humanas da Universidade Nova de Lisboa. Possui o Curso de Estudos Avançados de Geopolítica da Universidade Autónoma de Lisboa, em parceria com o Instituto da Defesa Nacional. Investigador integrado no IPRI-NOVA e investigador associado no CIDIUM e no IDN. Auditor do Curso de Defesa Nacional.

DOI:

https://doi.org/10.47906/ND2025.172.03

Keywords:

United Nations, Convention, Law of the Sea, High Seas, National Jurisdiction, Marine Resources

Abstract

The current model of ocean governance remains a product of the post-World War II international order established by the United Nations. The 1982 United Nations Convention on the Law of the Sea is still considered today to be the most widely accepted international legal basis for the governance of the different maritime spaces. Over the last few years in particular, there has been a growing demand for marine resources (living and non-living) in different maritime spaces worldwide, including areas beyond the jurisdiction of states. This article analyses the governance model for the high seas, in maritime areas beyond national jurisdiction. The conclusions show that growing competition for marine resources and the need to align with environmental sustainability commitments mean that the ruling ocean governance model needs to be reformulated to be able to respond to the new challenges.

Published

2026-02-12