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  • 11
    Publication Date: 2024-02-07
    Description: The UN Decade of Ocean Science for Sustainable Development (Ocean Decade) challenges marine science to better inform and stimulate social and economic development while conserving marine ecosystems. To achieve these objectives, we must make our diverse methodologies more comparable and interoperable, expanding global participation and foster capacity development in ocean science through a new and coherent approach to best practice development. We present perspectives on this issue gleaned from the ongoing development of the UNESCO Intergovernmental Oceanographic Commission (IOC) Ocean Best Practices System (OBPS). The OBPS is collaborating with individuals and programs around the world to transform the way ocean methodologies are managed, in strong alignment with the outcomes envisioned for the Ocean Decade. However, significant challenges remain, including: (1) the haphazard management of methodologies across their lifecycle, (2) the ambiguous endorsement of what is "best" and when and where one method may be applicable vs. another, and (3) the inconsistent access to methodological knowledge across disciplines and cultures. To help address these challenges, we recommend that sponsors and leaders in ocean science and education promote consistent documentation and convergence of methodologies to: create and improve context-dependent best practices; incorporate contextualized best practices into Ocean Decade Actions; clarify who endorses which method and why; create a global network of complementary ocean practices systems; and ensure broader consistency and flexibility in international capacity development.
    Type: Article , PeerReviewed , info:eu-repo/semantics/article
    Format: text
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  • 12
    Publication Date: 2023-06-29
    Description: The Global Climate in 2015–2019 is part of the WMO Statements on Climate providing authoritative information on the state of the climate and impacts. It builds on operational monitoring systems at global, regional and national scales.
    Type: Report , NonPeerReviewed
    Format: text
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  • 13
    Publication Date: 2021-05-19
    Description: Como parte de las actividades asociadas a Monaco Explorations –una circunnavegación del globo terráqueo de tres años bajo la dirección de S.A.S. El Príncipe Alberto II de Mónaco-, se renueva una gran tradición: las exploraciones marinas con el fin de aprender, comprender, sensibilizar al público y tomar acciones. Por ello, representantes de 19 países de América Latina y el Caribe asistieron a la primera reunión regional del Grupo Internacional de Usuarios de Referencia de Acidificación de los Océanos (OAiRUG), como parte de una estrategia a largo plazo de su Majestad en colaboración con el Organismo Internacional de Energía Atómica, la UICN (por sus siglas en inglés) y la Red Latinoamericana de Acidificación de los Océanos (LAOCA). El encuentro tuvo como propósito reunir a científicos internacionales y regionales, expertos y representantes de las industrias marítimas afectadas y de la sociedad civil, y líderes en protección y gestión ambiental, para crear un cambio en la forma en que la región responde a este desafío moderno que impacta los océanos.
    Description: Published
    Keywords: ASFA_2015::A::Acidification ; ASFA_2015::O::Ocean environment ; ASFA_2015::E::Environmental legislation ; ASFA_2015::E::Environmental legislation
    Repository Name: AquaDocs
    Type: Book/Monograph/Conference Proceedings , Non Refereed
    Format: 44pp.
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  • 14
    Publication Date: 2022-05-25
    Description: © The Author(s), 2013. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Geochimica et Cosmochimica Acta 123 (2013): 322–337, doi:10.1016/j.gca.2013.06.011.
    Description: Despite the importance of diatoms in regulating climate and the existence of large opal-containing sediments in key air-ocean exchange areas, most geochemical proxy records are based on carbonates. Among them, Boron (B) content and isotopic composition have been widely used to reconstruct pH from foraminifera and coral fossils. We assessed the possibility of a pH/CO2 seawater concentration control on B content in diatom opal to determine whether or not frustule B concentrations could be used as a pH proxy or to clarify algae physiological responses to acidifying pH. We cultured two well-studied diatom species, Thalassiosira pseudonana and Thalassiosira weissflogii at varying pH conditions and determined Si and C quotas. Frustule B content was measured by both laser-ablation inductively coupled mass spectrometry (LA-ICPMS) and secondary ion mass spectrometry (SIMS/ion probe). For both species, frustules grown at higher pH have higher B contents and higher Si requirements per fixed C. If this trend is representative of diatom silicification in a future more acidic ocean, it could contribute to changes in the efficiency of diatom ballasting and C export, as well as changes in the contribution of diatoms relative to other phytoplankton groups in Si-limited regions. If B enters the cell through the same transporter employed for HCO3− uptake, an increased HCO3− requirement with decreasing CO2 concentrations (higher pH), and higher B(OH)4/HCO3− ratios would explain the observed increase in frustule B content with increasing pH. The mechanism of B transport from the site of uptake to the site of silica deposition is unknown, but may occur via silicon transport vesicles, in which B(OH)4− may be imported for B detoxification and/or as part of a pH regulation strategy either though Na-dependent B(OH)4−/Cl− antiport or B(OH)4−/H+ antiport. B deposition in the silica matrix may occur via substitution of a B(OH)4− for a negatively charged SiO− formed during silicification. With the current analytical precision, B content of frustules is unlikely to resolve ocean pH with a precision of paleoceanographic interest. However, if frustule B content was controlled mainly by HCO3− uptake for photosynthesis, which appears to show a threshold behavior, then measurements of B content might reveal the varying importance of active HCO3− acquisition mechanisms of diatoms in the past.
    Description: This work was funded by the European Community under the project ERC-STG-240222-PACE.
    Repository Name: Woods Hole Open Access Server
    Type: Article
    Format: application/pdf
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  • 15
    Publication Date: 2021-11-18
    Description: The UN Decade of Ocean Science for Sustainable Development (Ocean Decade) challenges marine science to better inform and stimulate social and economic development while conserving marine ecosystems. To achieve these objectives, we must make our diverse methodologies more comparable and interoperable, expanding global participation and foster capacity development in ocean science through a new and coherent approach to best practice development. We present perspectives on this issue gleaned from the ongoing development of the UNESCO Intergovernmental Oceanographic Commission (IOC) Ocean Best Practices System (OBPS). The OBPS is collaborating with individuals and programs around the world to transform the way ocean methodologies are managed, in strong alignment with the outcomes envisioned for the Ocean Decade. However, significant challenges remain, including: (1) the haphazard management of methodologies across their lifecycle, (2) the ambiguous endorsement of what is “best” and when and where one method may be applicable vs. another, and (3) the inconsistent access to methodological knowledge across disciplines and cultures. To help address these challenges, we recommend that sponsors and leaders in ocean science and education promote consistent documentation and convergence of methodologies to: create and improve context-dependent best practices; incorporate contextualized best practices into Ocean Decade Actions; clarify who endorses which method and why; create a global network of complementary ocean practices systems; and ensure broader consistency and flexibility in international capacity development.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , peerRev
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  • 16
    Publication Date: 2022-09-30
    Description: This Scientific Summary on Multiple Ocean Stressors for Policy Makers offers a reference for all concerned stakeholders to understand and discuss all types of ocean stressors. This document will help coordinate action to better understand how multiple stressors interact and how the cumulative pressures they cause can be tackled and managed. It is a first step towards increased socio-ecological resilience to multiple ocean stressors (Figure 1). Ecosystem-Based Management (EBM)1 recognizes the complex and interconnected nature of ecosystems, and the integral role of humans in these ecosystems. EBM integrates ecological, social and governmental principles. It considers the tradeoffs and interactions between ocean stakeholders (e.g. fishing, shipping, energy extraction) and their goals, while addressing the reduction of conflicts and the negative cumulative impacts of human activities on ecosystem resilience and sustainability. Thus, EBM is an ideal science-based approach for managing the impacts of cumulative stressors on marine ecosystems. The United Nations Decade of Ocean Science for Sustainable Development (2021–2030; Ocean Decade), which is based on a multi-stakeholder consultative process, identified 10 Ocean Decade Challenges. Challenge 2: Understand the effects of multiple stressors on ocean ecosystems, and develop solutions to monitor, protect, manage and restore ecosystems and their biodiversity under changing environmental, social and climate conditions addresses the overall outcomes of the Decade. In particular, outcomes aimed at a clean, healthy and resilient, safe and predicted, sustainably harvested and productive, and accessible ocean, with open and equitable access to data, information and technology and innovation by 2030. This Scientific Summary for Policy Makers is also a call to action underlining the urgency to understand, model and manage multiple ocean stressors now. We cannot manage what we do not understand, and we cannot be efficient without prioritization of ocean actions appropriate to the place and time.
    Description: OPENASFA INPUT The complete report should be cited as follows: IOC-UNESCO. 2022. Multiple Ocean Stressors: A Scientific Summary for Policy Makers. P.W. Boyd et al. (eds). Paris, UNESCO. 20 pp. (IOC Information Series, 1404) doi:10.25607/OBP-1724
    Description: Published
    Description: Refereed
    Keywords: Oceans ; Marine Ecosystems ; Marine pollution ; Global warming ; Human activities effects ; Environmental monitoring ; Oceanographic Research
    Repository Name: AquaDocs
    Type: Report
    Format: 22pp.
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  • 17
    Publication Date: 2022-09-15
    Description: Oxygen is critical to the health of the ocean. It structures aquatic ecosystems and is a fundamental requirement for marine life from the intertidal zone to the greatest depths of the ocean. Oxygen is declining in the ocean. Since the 1960s, the area of low oxygen water in the open ocean has increased by 4.5 million km2, and over 500 low oxygen sites have been identified in estuaries and other coastal water bodies. Human activities are a major cause of oxygen decline in both the open ocean and coastal waters. Burning of fossil fuels and discharges from agriculture and human waste, which result in climate change and increased nitrogen and phosphorus inputs, are the primary causes.
    Description: Published
    Description: Refereed
    Keywords: Global Ocean Oxygen Network ; GO2NE ; ASFA_2015::O::Oxygen ; ASFA_2015::D::Deoxygenation ; ASFA_2015::E::Ecosystems ; ASFA_2015::H::Human impact
    Repository Name: AquaDocs
    Type: Report
    Format: 40pp.
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  • 18
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    UNESOC-IOC and International Group for Marine Ecological Time Series (IGMETS) | Paris, France
    Publication Date: 2022-09-24
    Description: Ship-based biogeochemical and ecological time series are one of the most valuable tools to characterize and quantify ocean ecosystems. These programmes continuously provided major breakthroughs in understanding ecosystem variability, allow quantification of the ocean carbon cycle, and help understand the processes that link biodiversity, food webs, and changes in services that benefit human societies. A quantum jump in regional and global ocean ecosystem science can be gained by aggregating observations from individual time series that are distributed across different oceans and which are managed by different countries. The collective value of these data is greater than that provided by each time series individually. However, maintaining time series requires a commitment by the science community and sponsor agencies.
    Description: OPENASFA INPUT
    Description: Published
    Description: Not Known
    Keywords: Ocean time series ; Human impact ; ASFA_2015::S::Ship models ; ASFA_2015::E::Ecosystems ; ASFA_2015::B::Biodiversity
    Repository Name: AquaDocs
    Type: Report
    Format: Poster
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  • 19
    Publication Date: 2024-05-30
    Description: The State of the Ocean Report (StOR) has the ambition to inform policymakers about the state of the ocean and to stimulate research and policy actions towards ‘the ocean we need for the future we want’, contributing to the 2030 Agenda and in particular SDG 14, which reads ‘Conserve and sustainably use the oceans, seas and marine resources’, as well as other global processes such as the UNFCCC, the Convention on Biological Diversity and the Sendai Framework for Disaster Risk Reduction. Structured around the seven UN Decade of Ocean Science for Sustainable Development Outcomes, the Report provides important information about the achievements of the UN Ocean Decade and, in the longer term, about ocean well-being. The StOR will be used to inform policy and administrative priorities and identify research focus areas that need to be strengthened or developed.
    Description: Published
    Description: Refereed
    Keywords: Plastic pollution ; Ecosystem restoration ; Deoxygenation ; Blue carbon ecosystems ; Marine spatial planning (MSP) ; Sustainable production ; Sustainable food prduction ; Carbon dioxide ; Harmful algal blooms ; Global Ocean Observing System ; Data sharing ; ASFA_2015::P::Plastics ; ASFA_2015::A::Acidification ; ASFA_2015::G::Global warming ; ASFA_2015::C::Carbon
    Repository Name: AquaDocs
    Type: Report
    Format: 92pp.
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