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Safeguarding the deep-Sea Marine ecosystem: a critical analysis of the legal framework governing the impacts of the upstream Petroleum Sector on the deep-sea marine ecosystems and coastal communities in South Africa

The deep sea is a vast and largely unexplored environment, home to unique and diverse marine ecosystems. However, the increasing global demand for oil and gas has led to a surge in extraction activities in the deep ocean. These activities while essential for meeting energy demands, pose significant...

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Main Author: Sehlabo, Mpho Lydia
Other Authors: Mostert, Hanri
Format: Thesis
Language:English
English
Published: Institute of Marine and Environmental Law 2026
Subjects:
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access_status_str Open Access
author Sehlabo, Mpho Lydia
author2 Mostert, Hanri
author_browse Mostert, Hanri
Sehlabo, Mpho Lydia
author_facet Mostert, Hanri
Sehlabo, Mpho Lydia
author_sort Sehlabo, Mpho Lydia
collection Thesis
description The deep sea is a vast and largely unexplored environment, home to unique and diverse marine ecosystems. However, the increasing global demand for oil and gas has led to a surge in extraction activities in the deep ocean. These activities while essential for meeting energy demands, pose significant threats to the fragile deep-sea ecosystems. These ecosystems distinctive biodiversity which includes indigenous habitats and species are at risk from disruptions brought on by oil and gas exploration survey, drilling, and pollution. It has been demonstrated that the deep-sea marine ecosystems physical, biological, and ecological features have little resilience to the effects of oil and gas extraction. Certain marine species die due to the damaging effects of the environment on their ecosystems, which may eventually lead to a reduction in population and eventual extinction. Moreover, humans consume some marine animals, like fisheries, which makes them susceptible to these environmental effects. Hence, the need for effective and robust legal frameworks to govern oil and gas activities and protect the deep-sea environment and affected coastal communities. This mini-dissertation analysed whether the primary legal frameworks have been adequately designed to govern the environmental impacts of oil and gas extraction on the deep-sea marine ecosystems and coastal communities. It investigated the prominent environmental impacts of oil and gas activities on the marine ecosystems, provided an overview of the existing marine legal frameworks and proposed legal reforms and policy recommendations to advance the protection of the deep-sea marine ecosystems and affected communities in South Africa. This thesis contended that a multifaceted strategy, including more robust international agreements, harmonized national rules, mandatory industry standards, and improved monitoring and enforcement procedures, are needed to mitigate the negative environmental impacts on these key marine environments and affected communities.
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institution University of Cape Town (South Africa)
language English
eng
last_indexed 2026-06-10T12:32:08.355Z
license_str Not specified — see source repository
provenance_str_mv Harvested via OAI-PMH from UCTD — University of Cape Town Open Access Repository
publishDate 2026
publishDateRange 2026
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spelling oai:open.uct.ac.za:11427/42673 Safeguarding the deep-Sea Marine ecosystem: a critical analysis of the legal framework governing the impacts of the upstream Petroleum Sector on the deep-sea marine ecosystems and coastal communities in South Africa Sehlabo, Mpho Lydia Mostert, Hanri Kengni, Bernard Cramer, Richard Henry Deep-sea Petroleum sector South Africa The deep sea is a vast and largely unexplored environment, home to unique and diverse marine ecosystems. However, the increasing global demand for oil and gas has led to a surge in extraction activities in the deep ocean. These activities while essential for meeting energy demands, pose significant threats to the fragile deep-sea ecosystems. These ecosystems distinctive biodiversity which includes indigenous habitats and species are at risk from disruptions brought on by oil and gas exploration survey, drilling, and pollution. It has been demonstrated that the deep-sea marine ecosystems physical, biological, and ecological features have little resilience to the effects of oil and gas extraction. Certain marine species die due to the damaging effects of the environment on their ecosystems, which may eventually lead to a reduction in population and eventual extinction. Moreover, humans consume some marine animals, like fisheries, which makes them susceptible to these environmental effects. Hence, the need for effective and robust legal frameworks to govern oil and gas activities and protect the deep-sea environment and affected coastal communities. This mini-dissertation analysed whether the primary legal frameworks have been adequately designed to govern the environmental impacts of oil and gas extraction on the deep-sea marine ecosystems and coastal communities. It investigated the prominent environmental impacts of oil and gas activities on the marine ecosystems, provided an overview of the existing marine legal frameworks and proposed legal reforms and policy recommendations to advance the protection of the deep-sea marine ecosystems and affected communities in South Africa. This thesis contended that a multifaceted strategy, including more robust international agreements, harmonized national rules, mandatory industry standards, and improved monitoring and enforcement procedures, are needed to mitigate the negative environmental impacts on these key marine environments and affected communities. 2026-01-23T13:26:48Z 2026-01-23T13:26:48Z 2025 2026-01-23T13:06:54Z Thesis / Dissertation Masters LLM http://hdl.handle.net/11427/42673 en eng application/pdf Institute of Marine and Environmental Law Faculty of Law University of Cape Town
spellingShingle Deep-sea
Petroleum sector
South Africa
Sehlabo, Mpho Lydia
Safeguarding the deep-Sea Marine ecosystem: a critical analysis of the legal framework governing the impacts of the upstream Petroleum Sector on the deep-sea marine ecosystems and coastal communities in South Africa
thesis_degree_str Master's
title Safeguarding the deep-Sea Marine ecosystem: a critical analysis of the legal framework governing the impacts of the upstream Petroleum Sector on the deep-sea marine ecosystems and coastal communities in South Africa
title_full Safeguarding the deep-Sea Marine ecosystem: a critical analysis of the legal framework governing the impacts of the upstream Petroleum Sector on the deep-sea marine ecosystems and coastal communities in South Africa
title_fullStr Safeguarding the deep-Sea Marine ecosystem: a critical analysis of the legal framework governing the impacts of the upstream Petroleum Sector on the deep-sea marine ecosystems and coastal communities in South Africa
title_full_unstemmed Safeguarding the deep-Sea Marine ecosystem: a critical analysis of the legal framework governing the impacts of the upstream Petroleum Sector on the deep-sea marine ecosystems and coastal communities in South Africa
title_short Safeguarding the deep-Sea Marine ecosystem: a critical analysis of the legal framework governing the impacts of the upstream Petroleum Sector on the deep-sea marine ecosystems and coastal communities in South Africa
title_sort safeguarding the deep sea marine ecosystem a critical analysis of the legal framework governing the impacts of the upstream petroleum sector on the deep sea marine ecosystems and coastal communities in south africa
topic Deep-sea
Petroleum sector
South Africa
url http://hdl.handle.net/11427/42673
work_keys_str_mv AT sehlabompholydia safeguardingthedeepseamarineecosystemacriticalanalysisofthelegalframeworkgoverningtheimpactsoftheupstreampetroleumsectoronthedeepseamarineecosystemsandcoastalcommunitiesinsouthafrica