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  • 1
    Online Resource
    Online Resource
    Oxford :Oxford University Press, Incorporated,
    Keywords: Marine resources. ; Electronic books.
    Description / Table of Contents: The deep ocean is the planet's largest biome and holds a wealth of potential natural assets. This book gives a comprehensive account of its geological and physical processes, ecology and biology, exploitation, management, and conservation.
    Type of Medium: Online Resource
    Pages: 1 online resource (241 pages)
    Edition: 1st ed.
    ISBN: 9780192578778
    DDC: 333.91/6416
    Language: English
    Note: Cover -- Natural Capital and Exploitation of the Deep Ocean -- Copyright -- Preface -- Acknowledgements -- Contents -- List of contributors -- CHAPTER 1: Introduction: Evolution of knowledge, exploration, and exploitation of the deep ocean -- 1.1 Introduction -- 1.1.1 Natural capital defined -- 1.1.2 Deep-ocean morphology and abiotic characteristics -- 1.1.3 Diversity and biomass -- 1.1.4 The legal framework of the ocean -- 1.2 Exploration, technical development, and analysis leading to economic benefits of the deep sea -- 1.2.1 Nineteenth century -- 1.2.2 Early twentieth century -- 1.2.3 1920s and 1930s -- 1.2.4 1940s to 1960 -- 1.2.5 1960s -- 1.2.6 1970s -- 1.2.7 1980s -- 1.2.8 1990s -- 1.2.9 2000s -- 1.2.10 2010s -- 1.3 And the future? -- Acknowledgements -- References -- CHAPTER 2: A primer on the economics of natural capital and its relevance to deep-sea exploitation and conservation -- 2.1 Introduction -- 2.2 Human perceptions and uses of the deep sea -- 2.3 Natural capital and ecosystem services: stocks and flows -- 2.4 Qualitative examples of natural capital accounting for the deep sea -- 2.4.1 Natural capital of the open-oceans biome -- 2.4.2 Natural capital of the world capture fishery stocks -- 2.4.3 Natural capital of the ocean twilight zone's fish stocks -- 2.4.4 Natural capital of the ocean's biological carbon pump -- 2.4.5 Natural capital of deep-seabed minerals -- 2.4.6 Natural capital of the cultural aspects of the deep sea -- 2.4.7 Natural capital of the passive use of deep-sea hydrothermal vents -- 2.5 Emerging institutions for deep-sea governance -- 2.6 Conclusions -- Acknowledgements -- References -- Appendix -- A1 Theoretical framework for sustainable development -- A2 Accounting price for global public goods -- A3 Accounting price for natural capital -- A3.1 The classical bioeconomic model. , A3.2 The Fenichel et al. (2018) framework -- CHAPTER 3: The legal framework for resource management in the deep sea -- 3.1 Introduction -- 3.2 National law -- 3.3 International law -- 3.3.1 Deep-sea fishing -- 3.3.2 Pollution -- 3.3.3 Deep-sea mining -- 3.3.4 Marine scientific research -- 3.3.5 Current gaps in the law -- 3.4 The role of scientists in ocean governance -- 3.5 Conclusion -- Acknowledgements -- References -- International agreements cited -- CHAPTER 4: Exploitation of deep-sea fishery resources -- 4.1 The development of deep-sea fisheries -- 4.1.2 Deep-sea fishing methods -- 4.1.3 The footprint of deep-sea fisheries -- 4.2 Environment and life histories/ energetics of deep-sea demersal fishes -- 4.3 Impacts of deep-sea fisheries and potential for recovery -- 4.3.1 Impacts on fish populations -- 4.3.2 Impacts on habitat -- 4.3.3 Potential for recovery of fish populations -- 4.3.4 Recovery of impacted habitat -- 4.4 Management and stakeholder processes -- 4.4.1 International debate and negotiations over deep-sea fisheries -- 4.4.2 Implementation of the resolutions: protection of deep-sea ecosystems and sustainable deep-sea fisheries on the high seas -- 4.5 The future of deep-sea fisheries -- Acknowledgements -- References -- CHAPTER 5: Deep-sea mining: processes and impacts -- 5.1 Deep-sea mining -- 5.2 Seafloor minerals -- 5.2.1 Abyssal Plains and polymetallic nodules -- 5.2.2 Seamounts, ridges, and polymetallic crusts -- 5.2.3 Hydrothermal vents and seafloor massive sulphides -- 5.3 Fauna living in association with mineral accumulations -- 5.3.1 Polymetallic nodules -- 5.3.2 Polymetallic crusts -- 5.3.3 Hydrothermal vents -- 5.4 Regulations and jurisdictions -- 5.5 Practicalities of deep-sea mining -- 5.6 Environmental impacts of deep-sea mining -- 5.6.1 Wide-reaching impacts across depths and habitats. , 5.6.2 Impacts of mining seafloor massive sulphides -- 5.6.3 Environmental impacts of mining polymetallic nodules -- 5.6.4 The effects of mining polymetallic crusts -- 5.7 Cross-ecosystem impacts: degradation and recovery -- 5.8 Knowledge gaps: a need to deepen understanding -- 5.9 Environmental management: reducing the impact of deep-ocean mining -- 5.9.1 Environmental management processes -- 5.9.2 Environmental management responsibilities -- 5.10 Conclusions -- Acknowledgements -- References -- CHAPTER 6: The natural capital of offshore oil, gas, and methane hydrates in the World Ocean -- 6.1 The natural capital of hydrocarbon reserves -- 6.1.1 Oil and gas reserves in offshore systems -- 6.1.2 The potential of deep-sea gas hydrate reservoirs -- 6.2 The ecology of offshorehydrocarbon-associated ecosystems: a brief sketch -- 6.3 Operational impacts -- 6.3.1 Physical and chemical impacts on organisms and ecosystems -- 6.3.2 Long-term and climate impacts -- 6.4 Best practices for exploitation and management -- 6.5 Spatial overlap between ecological assets and oil leases creates challenges -- 6.6 Ecosystem recovery from operational impacts -- 6.7 Conclusions -- Acknowledgements -- References -- CHAPTER 7: The exploitation of deep-sea biodiversity: components, capacity, and conservation -- 7.1 Introduction -- 7.2 Exploitable components of deep-sea biodiversity -- 7.2.1 Deep-sea biodiversity as inspiration for innovation -- 7.2.2 'Actual or potential' value -- 7.3 Capacity: capturing benefits -- 7.3.1 Benefits -- 7.3.2 Capturing benefits: the role of science and technology -- 7.3.3 Conservation -- 7.4 Conclusion -- Acknowledgements -- References -- CHAPTER 8: The deep ocean's link to culture and global processes: nonextractive value of the deep sea -- 8.1 Ecosystem services and nonuse values -- 8.2 A diverse and inspiring dark sea. , 8.2.1 The deep, dark water -- 8.2.2 The expanse of marvellous mud -- 8.2.3 Habitats that break the global mud belt -- 8.3 Cultural services -- 8.4 Deep-sea science: exploration and research to understand the past, present, and future earth -- 8.5 Supporting and regulating services -- 8.5.1 Primer on deep-ocean flow and function -- 8.5.2 Nutrients for the shallows that fuel fisheries and oxygenate the atmosphere -- 8.5.3 A bottom-up view of vents and seeps -- 8.6 An overlap of use and nonuse -- 8.7 Current state of valuation of nonuse values in the deep sea -- 8.8. Summary -- Acknowledgements -- References -- CHAPTER 9: Climate change cumulative impacts on deep-sea ecosystems -- 9.1 Introduction -- 9.2 Predicting climate-change impacts: projected changes and species vulnerability -- 9.2.1 Earth System Model projections and observations at depth -- 9.2.2 Species sensitivity to change in natural abiotic conditions -- 9.3 Identifying the drivers and impacts of climate change in deep-sea ecosystems -- 9.3.1 Export of organic resources at depth -- 9.3.2 Combination of climate stressors in space and time -- 9.4 Required monitoring to forecast vulnerability -- 9.5 Climate policy and the deep sea -- 9.6 Conclusion -- Acknowledgements -- References -- CHAPTER 10: Space, the final resource -- 10.1 Introduction -- 10.2 Organised, deliberate waste disposal -- 10.2.1 Particulate waste: sewage sludge, dredge spoils, and mining tailings -- 10.2.2 Marine litter: shipping and commercial fishing sources -- 10.2.3 Radioactive waste -- 10.2.4 Chemical and pharmaceutical waste -- 10.2.5 Munitions -- 10.3 Inadvertent disposal -- 10.3.1 Shipwrecks and maritime accidents -- 10.3.2 Microplastics -- 10.4 Buffer space -- 10.4.1 Noise -- 10.4.2 Heat absorption and transfer and CO2 uptake -- 10.5 Technology space. , 10.5.1 Submarine telecommunication cables-connecting the continents -- 10.5.2 Deep-ocean military and scientific infrastructure -- 10.6 Conclusion -- Acknowledgements -- References -- CHAPTER 11: A holistic vision for our future deep ocean -- 11.1 Challenges and possibilities for a healthy ocean -- 11.2 Cumulative and synergistic interactions -- 11.3 Advancing science in policy -- Acknowledgements -- References -- Name index -- Subject index.
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  • 2
    Keywords: Aufsatzsammlung ; Tiefsee ; Meeresökosystem ; Hydrobiologie ; Natürliche Ressourcen ; Umweltschutz
    Type of Medium: Book
    Pages: xiii, 221 Seiten , Illustrationen
    ISBN: 9780198841661 , 9780198841654
    RVK:
    Language: English
    Note: Tabellen, Literaturverzeichnisse, Index
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  • 3
    Publication Date: 2024-02-14
    Description: Ocean Census is a new Large-Scale Strategic Science Mission aimed at accelerating the discovery and description of marine species. This mission addresses the knowledge gap of the diversity and distribution of marine life whereby of an estimated 1 million to 2 million species of marine life between 75% to 90% remain undescribed to date. Without improved knowledge of marine biodiversity, tackling the decline and eventual extinction of many marine species will not be possible. The marine biota has evolved over 4 billion years and includes many branches of the tree of life that do not exist on land or in freshwater. Understanding what is in the ocean and where it lives is fundamental science, which is required to understand how the ocean works, the direct and indirect benefits it provides to society and how human impacts can be reduced and managed to ensure marine ecosystems remain healthy. We describe a strategy to accelerate the rate of ocean species discovery by: 1) employing consistent standards for digitisation of species data to broaden access to biodiversity knowledge and enabling cybertaxonomy; 2) establishing new working practices and adopting advanced technologies to accelerate taxonomy; 3) building the capacity of stakeholders to undertake taxonomic and biodiversity research and capacity development, especially targeted at low- and middle-income countries (LMICs) so they can better assess and manage life in their waters and contribute to global biodiversity knowledge; and 4) increasing observational coverage on dedicated expeditions. Ocean Census, is conceived as a global open network of scientists anchored by Biodiversity Centres in developed countries and LMICs. Through a collaborative approach, including co-production of science with LMICs, and by working with funding partners, Ocean Census will focus and grow current efforts to discover ocean life globally, and permanently transform our ability to document, describe and safeguard marine species.
    Type: Article , PeerReviewed
    Format: text
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  • 4
    Publication Date: 2023-06-06
    Description: We review the current knowledge of the biodiversity of the ocean as well as the levels of decline and threat for species and habitats. The lack of understanding of the distribution of life in the ocean is identified as a significant barrier to restoring its biodiversity and health. We explore why the science of taxonomy has failed to deliver knowledge of what species are present in the ocean, how they are distributed and how they are responding to global and regional to local anthropogenic pressures. This failure prevents nations from meeting their international commitments to conserve marine biodiversity with the results that investment in taxonomy has declined in many countries. We explore a range of new technologies and approaches for discovery of marine species and their detection and monitoring. These include: imaging methods, molecular approaches, active and passive acoustics, the use of interconnected databases and citizen science. Whilst no one method is suitable for discovering or detecting all groups of organisms many are complementary and have been combined to give a more complete picture of biodiversity in marine ecosystems. We conclude that integrated approaches represent the best way forwards for accelerating species discovery, description and biodiversity assessment. Examples of integrated taxonomic approaches are identified from terrestrial ecosystems. Such integrated taxonomic approaches require the adoption of cybertaxonomy approaches and will be boosted by new autonomous sampling platforms and development of machine-speed exchange of digital information between databases.
    Type: Book chapter , PeerReviewed
    Format: text
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  • 5
    Publication Date: 2023-06-21
    Description: The Aurora hydrothermal system, Arctic Ocean, hosts active submarine venting within an extensive field of relict mineral deposits. Here we show the site is associated with a neovolcanic mound located within the Gakkel Ridge rift-valley floor, but deep-tow camera and sidescan surveys reveal the site to be ≥100 m across—unusually large for a volcanically hosted vent on a slow-spreading ridge and more comparable to tectonically hosted systems that require large time-integrated heat-fluxes to form. The hydrothermal plume emanating from Aurora exhibits much higher dissolved CH〈jats:sub〉4〈/jats:sub〉/Mn values than typical basalt-hosted hydrothermal systems and, instead, closely resembles those of high-temperature ultramafic-influenced vents at slow-spreading ridges. We hypothesize that deep-penetrating fluid circulation may have sustained the prolonged venting evident at the Aurora hydrothermal field with a hydrothermal convection cell that can access ultramafic lithologies underlying anomalously thin ocean crust at this ultraslow spreading ridge setting. Our findings have implications for ultra-slow ridge cooling, global marine mineral distributions, and the diversity of geologic settings that can host abiotic organic synthesis - pertinent to the search for life beyond Earth.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
    Format: application/pdf
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