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  • 1
    Online Resource
    Online Resource
    Cham :Springer International Publishing AG,
    Keywords: Ecology-Mediterranean Region. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (942 pages)
    Edition: 1st ed.
    ISBN: 9783030655167
    DDC: 333.91640918221
    Language: English
    Note: Intro -- Acknowledgments to the Reviewers -- Contents -- About the Editors -- Chapter 1: Introduction: Thinking the Future from Now -- 1.1 Why a Book on the Alboran Sea? -- 1.2 Thinking the Future from Now -- 1.2.1 Oceanographic, Geological, and Ecological Contexts -- 1.2.2 Biodiversity and Ecosystems Distribution -- 1.2.3 Fisheries Resources and Aquaculture -- 1.2.4 Conservation, Management, and Marine Policies -- 1.3 The Future We Wish: Final Remarks -- References -- Chapter 2: Regional Context and Maritime Governance -- 2.1 Introduction -- 2.2 Political Geography of the Region -- 2.2.1 The Regional Context -- 2.2.2 Countries and Territories: Geopolitical and Socio-economic Information -- 2.2.3 The Alboran Sea and the Maritime Economy -- 2.3 Alboran Sea: Law of the Sea and Jurisdictional Issues -- 2.3.1 The Alboran Sea in the Context of UNCLOS -- 2.3.2 States and Their Maritime Jurisdictions -- 2.3.2.1 Moroccan Legislation -- 2.3.2.2 Spanish Legislation -- 2.3.2.3 Algerian Legislation -- 2.3.2.4 Gibraltar Legislation -- 2.3.3 Maritime Borders and Disputes -- 2.4 Maritime Governance and Cross-Border Cooperation -- 2.4.1 Background -- 2.4.2 Legal-Institutional Framework -- References -- Legal Documents -- Chapter 3: Alboran Sea Area Climate and Weather -- 3.1 The Climate of the Alboran Area -- 3.1.1 Precipitation -- 3.1.2 Winds -- 3.1.3 Aerosols -- 3.1.4 Temperature -- 3.1.5 Climate Trends and Climate Change -- 3.2 Large Scale and Synoptic Systems in the North Atlantic-European Sector -- 3.2.1 Large-Scale Circulation -- 3.2.2 Synoptic Systems -- 3.2.3 Mediterranean Cyclones -- 3.2.4 Euro-Atlantic Weather Regimes -- References -- Chapter 4: The Oceanographic and Climatic Context -- 4.1 Introduction -- 4.2 Climatic Forcing, Water Mass Formation Processes and Thermohaline Circulation in the Mediterranean Sea -- 4.3 Water Masses in the Alboran Sea. , 4.4 Currents and Circulation in the Alboran Sea -- 4.5 Tidal Currents -- 4.6 The Upper Layer Circulation -- 4.7 Intermediate and Deep Water Circulation -- 4.8 Long-Term Variability -- 4.9 Summary and Conclusions -- References -- Chapter 5: A Geological History for the Alboran Sea Region -- 5.1 Introduction -- 5.2 Plate Tectonic Settings: Evolution of the African-Eurasian Plate Boundary -- 5.3 Current Africa-Eurasia Tectonics -- 5.3.1 Western Mediterranean -- 5.3.2 Evolutive Models -- 5.3.3 Magmatism -- 5.4 The Alboran Basin -- 5.4.1 Input from Potential Field Data -- 5.4.2 Basement Configuration and Major Structure -- 5.4.3 Tecto-Sedimentary Evolution -- 5.5 Miocene -- 5.6 The Opening of the Strait of Gibraltar -- 5.7 Pliocene-Quaternary -- 5.8 Conclusions: Paleogeographic Implications -- References -- Chapter 6: Seafloor Morphology and Processes in the Alboran Sea -- 6.1 Introduction -- 6.2 Setting -- 6.2.1 Geographical and Geological Settings -- 6.2.2 Oceanographic Settings -- 6.3 Method -- 6.3.1 Datasets -- 6.3.2 Data Analysis -- 6.4 Physiography -- 6.5 Geomorphology -- 6.5.1 Shelf Features -- 6.5.1.1 Depositional Features -- 6.5.1.2 Erosive Features -- 6.5.1.3 Gravitational Features -- 6.5.1.4 Anthropogenic Features -- 6.5.2 Deep-Sea Features -- 6.5.2.1 Tectonic Features -- 6.5.2.2 Seamounts -- 6.5.2.3 Features Related to Fluid Outflow -- 6.5.2.4 Contourite Features -- 6.5.2.5 Mass-Movement Features -- 6.5.2.6 Biogenic Features -- 6.5.3 Recent Sediments: Facies Model -- 6.6 Discussion -- 6.6.1 Active Tectonics -- 6.6.2 The Key Role of Alboran Sea Seafloor Morphology in Characterising Sediment Dynamics -- 6.6.2.1 Sediment Dynamics on the Proximal Continental Margin -- 6.6.2.2 Sediment Dynamics on the Distal Continental Margin -- 6.6.3 Geohazards in the Alboran Sea -- 6.6.4 Contribution of Geology to Habitat Knowledge -- 6.7 Conclusions. , References -- Chapter 7: The Biogeochemical Context of Marine Planktonic Ecosystems -- 7.1 Introduction -- 7.1.1 Biogeochemistry and Phytoplankton Productivity of the Alboran Sea -- 7.2 Nutrients Dynamics: Coupling with Physical Processes -- 7.2.1 Nutrients and Water Masses in the Alboran Sea -- 7.2.2 Fertilization Mechanisms: Sources of New Nutrients to the Photic Layer -- 7.2.3 Distribution Patterns of Inorganic Nutrients (N, P, and Si) -- 7.2.4 Nutrient Molar Ratios: N or P Limitation? -- 7.3 Phytoplankton Productivity: Coupling Between Physical, Biogeochemical, and Biological Features -- 7.3.1 Distribution Patterns of Chlorophyll-a and Primary Production from In Situ Data -- 7.3.2 Distribution Patterns of Chlorophyll-a and Primary Production from Satellite Derived Data Models -- 7.3.2.1 Sea Surface Chlorophyll-a Concentration from Satellite Data -- 7.3.2.2 Primary Production from Satellite Data -- 7.4 Future Scenarios in the Framework of a Changing Climate -- 7.4.1 Analyzing the Possible Effects of Climate Change on Water Circulation, Nutrients, and Primary Productivity in the Medite... -- References -- Chapter 8: Seaweeds and Seagrasses: The Marine Forests from the Alboran Sea -- 8.1 Seaweeds and Seagrasses: Taxonomical Approach and Ecological Role -- 8.2 Origin and History of the Seaweeds and Seagrasses from the Alboran Sea -- 8.3 Biodiversity of the Benthic Flora from the Alboran Sea: Present Knowledge -- 8.4 Seaweed and Seagrass Communities in the Alboran Sea -- 8.4.1 Supralittoral Zone -- 8.4.2 Eulittoral Zone -- 8.4.3 Infralittoral Zone -- 8.4.4 Circalittoral Zone -- 8.5 Critical Locations for Marine Vegetation Biodiversity and Conservation in the Alboran Sea -- 8.6 Future Directions in Management and Conservation Biology of Seaweeds and Seagrasses in the Alboran Sea -- 8.7 Main Threat to the Benthic Flora of the Alboran Sea -- References. , Chapter 9: Benthic Fauna of Littoral and Deep-Sea Habitats of the Alboran Sea: A Hotspot of Biodiversity -- 9.1 Historical Exploration of Habitats and Their Associated Benthic Communities in the Alboran Sea -- 9.1.1 Ship-Based Exploration -- 9.1.2 Shore-Based Studies -- 9.2 Supralittoral and Intertidal Communities -- 9.2.1 Supralittoral Rocky Shore -- 9.2.2 Supralittoral Boulders -- 9.2.3 Midlittoral Rocky Shore -- 9.2.4 Supra- and Midlittoral Sedimentary Substrates -- 9.3 Coastal Lagoons -- 9.4 Hard-Bottom Communities of the Continental Shelf -- 9.4.1 Communities of Photophilous Macroalgae -- 9.4.2 Posidonia oceanica -- 9.4.3 Kelp Forests -- 9.4.4 Infralittoral Hard Bottoms Dominated by Sessile Invertebrates -- 9.4.5 Circalittoral Hard Bottoms with Coralligenous Communities -- 9.5 Caves -- 9.6 Soft-Bottom Communities of the Continental Shelf -- 9.6.1 Well-Sorted Fine Sand -- 9.6.2 Vegetated Infralittoral Soft Bottoms -- 9.6.2.1 Zostera marina Meadows -- 9.6.2.2 Cymodocea nodosa Meadows -- 9.6.2.3 Caulerpa prolifera Meadows -- 9.6.3 Bioclastic Sands and Gravels -- 9.6.4 ``Maërl´´/Rhodolith Beds -- 9.6.5 Coastal Terrigenous Mud -- 9.7 Deep-Sea Communities -- 9.7.1 Bathyal Hard Bottoms -- 9.7.2 Bathyal Soft Bottoms -- 9.7.3 Cold Seeps -- 9.8 Gaps of Knowledge and Further Steps -- References -- Chapter 10: Invertebrates: The Realm of Diversity -- 10.1 Emblematic Species -- 10.1.1 Patella ferruginea -- 10.1.2 Ellisella paraplexauroides -- 10.1.3 Astroides calycularis -- 10.2 Rare Species -- 10.2.1 Porifera -- 10.2.2 Cnidaria -- 10.2.3 Nemertea -- 10.2.4 Meiofauna (Gastrotricha, Kinorhyncha, Tardigrada) -- 10.2.5 Cycliophora -- 10.2.6 Entoprocta -- 10.2.7 Polychaeta -- 10.2.8 Crustacea -- 10.2.9 Bryozoa -- 10.2.10 Echinodermata -- 10.3 Habitat-Forming Species -- 10.3.1 Sponges -- 10.3.2 Gorgonians -- 10.3.3 Red Coral -- 10.3.4 Black Corals. , 10.3.5 Sea Pens -- 10.3.6 Deep Reef-Building Corals -- 10.3.7 Deep-Sea Oysters -- 10.4 The Invertebrates of the Water Column -- 10.4.1 Planktonic Invertebrates -- 10.4.2 Nektonic Invertebrates -- 10.5 Threatened Species -- 10.6 Species Originally Described from the Alboran Sea -- 10.7 Mass Mortality Events -- 10.8 Some Aims for Present and Future Research -- References -- Chapter 11: Biogeographical and Macroecological Context of the Alboran Sea -- 11.1 Introduction -- 11.2 Historical Biogeography: Where Do the Biota of the Alboran Sea Come From? -- 11.3 The Alboran Sea as a Biogeographical Entity -- 11.4 Patterns of Distribution of Species -- 11.5 Species Richness -- 11.6 Macroecological Patterns and Processes -- 11.7 Alien Species -- References -- Chapter 12: Biophysical Processes Determining the Connectivity of the Alboran Sea Fish Populations -- 12.1 A Short Review on Connectivity Issues -- 12.2 Hydrodynamic Connectivity and the Alboran Sea Circulation -- 12.2.1 Mean Circulation Pattern and Mesoscale and Seasonal Variability -- 12.2.2 Short-term Variability: Instabilities -- 12.3 The Zonal (East-to-West) Connectivity -- 12.3.1 Interbasin Connectivity: Gulf of Cadiz-Alboran Sea -- 12.3.2 Intra-basin Along Shore Connectivity -- 12.4 The Meridional (North-to-South) Connectivity -- 12.4.1 The Atlantic Jet: a Hydrodynamic Barrier -- 12.4.2 Physical Processes to Overcome the Barrier -- 12.4.3 Role of Topography: Conveyor and Obstacle for the Connectivity -- 12.5 Species Life History Effects and Constraints in the Connectivity Processes -- 12.5.1 Influence of Hydrographic Patterns at Early Life Stages of Fish -- 12.5.2 Pelagic Larval Duration and Dispersal -- 12.5.3 Depth Distribution and Vertical Migration -- 12.5.4 Spawning Phenology and Vital Rates -- 12.6 Implications on the Populations and Ecosystems of the Alboran Sea -- References. , Chapter 13: Evolving from Fry Fisheries to Early Life Research on Pelagic Fish Resources.
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  • 2
    Book
    Book
    Cham : Springer International Publishing | Cham : Imprint: Springer
    Keywords: Ecology . ; Ecosystems. ; Biodiversity. ; Water.
    Description / Table of Contents: Chapter 1: Introduction -- Chapter 2: Regional context and maritime governance -- Chapter 3: Alboran Sea area climate and weather -- Chapter 4: The Oceanographic and climatic context -- Chapter 5: A Geological history for the Alboran Sea region -- Chapter 6: Seafloor morphology and processes in the Alboran Sea -- Chapter 7: The biogeochemical context of marine planktonic ecosystems -- Chapter 8: Seaweeds and seagrasses: the marine forests from the Alboran Sea -- Chapter 9: Benthic fauna of littoral and deep-sea habitats of the Alboran Sea: A hotspot of biodiversity -- Chapter 10: Invertebrates: the realm of diversity -- Chapter 11: Biogeographical and Macroecological context of the Alboran Sea -- Chapter 12: Biophysical processes determining the connectivity of the Alboran Sea fish populations -- Chapter 13: Evolving from fry fisheries to early life research on pelagic fish resources -- Chapter 14: Description of artisanal fisheries in northern Alboran Sea -- Chapter 15: Description of artisanal fisheries in southern Alboran Sea -- Chapter 16: Small pelagic resources: A historic perspective and current state of the resources -- Chapter 17: North Atlantic Oscillation effect on the biology and fisheries of tunas species in the Alboran Sea -- Chapter 18: Demersal Resources -- Chapter 19: The Blackspot seabream fishery in the Strait of Gibraltar: lessons and future perspectives of shared marine resource -- Chapter 20: Aquaculture in the Alboran Sea -- Chapter 21: Marine megafauna and charismatic vertebrate species -- Chapter 22: Fisheries economics and management under the impact of Human and varying marine environmental conditions in the Alboran Sea -- Chapter 23: A historical approach to living resources on the Spanish coasts from Alboran Sea between the 16th and 20th centuries -- Chapter 24: Sustainable development and Blue growth in the Alboran Sea: enabling ocean health and ecosystem services through ocean science and equitable governance -- Chapter 25: Marine Protected Areas and Key Biodiversity Areas of the Alboran Sea and adjacent areas.
    Type of Medium: Book
    Pages: XVI, 939 Seiten
    ISBN: 9783030655150
    Language: English
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  • 3
    Publication Date: 2023-02-08
    Description: Highlights • There is direct and indirect evidence for hydrate occurrence in several areas around Europe. • Hydrate is particularly widespread offshore Norway and Svalbard and in the Black Sea. • Hydrate occurrence often coincides with conventional thermogenic hydrocarbon provinces. • The regional abundance of hydrate in Europe is poorly known. Abstract Large national programs in the United States and several Asian countries have defined and characterised their marine methane hydrate occurrences in some detail, but European hydrate occurrence has received less attention. The European Union-funded project “Marine gas hydrate – an indigenous resource of natural gas for Europe” (MIGRATE) aimed to determine the European potential inventory of exploitable gas hydrate, to assess current technologies for their production, and to evaluate the associated risks. We present a synthesis of results from a MIGRATE working group that focused on the definition and assessment of hydrate in Europe. Our review includes the western and eastern margins of Greenland, the Barents Sea and onshore and offshore Svalbard, the Atlantic margin of Europe, extending south to the northwestern margin of Morocco, the Mediterranean Sea, the Sea of Marmara, and the western and southern margins of the Black Sea. We have not attempted to cover the high Arctic, the Russian, Ukrainian and Georgian sectors of the Black Sea, or overseas territories of European nations. Following a formalised process, we defined a range of indicators of hydrate presence based on geophysical, geochemical and geological data. Our study was framed by the constraint of the hydrate stability field in European seas. Direct hydrate indicators included sampling of hydrate; the presence of bottom simulating reflectors in seismic reflection profiles; gas seepage into the ocean; and chlorinity anomalies in sediment cores. Indirect indicators included geophysical survey evidence for seismic velocity and/or resistivity anomalies, seismic reflectivity anomalies or subsurface gas escape structures; various seabed features associated with gas escape, and the presence of an underlying conventional petroleum system. We used these indicators to develop a database of hydrate occurrence across Europe. We identified a series of regions where there is substantial evidence for hydrate occurrence (some areas offshore Greenland, offshore west Svalbard, the Barents Sea, the mid-Norwegian margin, the Gulf of Cadiz, parts of the eastern Mediterranean, the Sea of Marmara and the Black Sea) and regions where the evidence is more tenuous (other areas offshore Greenland and of the eastern Mediterranean, onshore Svalbard, offshore Ireland and offshore northwest Iberia). We provide an overview of the evidence for hydrate occurrence in each of these regions. We conclude that around Europe, areas with strong evidence for the presence of hydrate commonly coincide with conventional thermogenic hydrocarbon provinces.
    Type: Article , PeerReviewed , info:eu-repo/semantics/article
    Format: text
    Format: text
    Format: text
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  • 4
    Publication Date: 2024-09-09
    Description: Highlights • Conceptual volcano-tectonic model of Cumbre Vieja's unstable western flank • Constraints on potential northern boundary of the moving flank • Shoreline-crossing geomorphological analysis using bathymetric and topographic data • Shallow seismicity indicate zones of structural weakness within the western flank • Semi-automated method for identifying unstable volcanic flanks for hazard assessment Abstract In 2021, La Palma's southern volcanic complex Cumbre Vieja erupted for its longest period in historic times. Although the geological record shows no evidence for a collapse of Cumbre Vieja, ground deformation studies and field observations suggest that its western flank is moving seawards, following the direction of previous collapses of the island. To better estimate the hazard of a potential flank collapse of Cumbre Vieja, it is important to identify the lateral extent and depth of the mobile sector. Here, we analyse the volcano-tectonic deformation along Cumbre Vieja's western flank, based on geomorphological analysis of combined topographic and new ship-born bathymetric data as well as the analysis of shallow seismicity records associated with the 2021 eruption. In our interpretation, the shoreline-crossing Puerto Naos Ridge results from tectonic uplift accompanying transpressional deformation along the northern boundary of Cumbre Vieja's moving flank, therefore decoupling a stable sector in the north from the mobile sector farther south. The proposed moving sector is consistent in scale with previous ground deformation studies and documented flank collapses of structurally similar volcanoes. We present a workflow for semi-automatically detecting boundaries of unstable volcanic flanks based on morphological changes captured in digital elevation data. The method correctly delineated the known boundaries of the unstable flanks of Mt. Etna and Kilauea volcanoes. The ability to constrain potential boundaries of unstable volcanic flanks should inform the planning of future geophysical and geodetic campaigns aiming to identify precursory signals of potential flank failures.
    Type: Article , PeerReviewed
    Format: text
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