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  • ATLAS; A Trans-Atlantic assessment and deep-water ecosystem-based spatial management plan for Europe; Color description; D340b_1485; D340b_1487; D340b_1490; D340b_1491; D340b_1495; DEPTH, water; Event label; File name; Latitude of event; Longitude of event; Size; Species; Station label; Type; Uniform resource locator/link to file  (1)
  • Benthos  (1)
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  • 1
    Publication Date: 2022-05-25
    Description: © The Author(s), 2017. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Elementa Science of the Anthropocene 5 (2017): 4, doi:10.1525/elementa.203.
    Description: The deep sea encompasses the largest ecosystems on Earth. Although poorly known, deep seafloor ecosystems provide services that are vitally important to the entire ocean and biosphere. Rising atmospheric greenhouse gases are bringing about significant changes in the environmental properties of the ocean realm in terms of water column oxygenation, temperature, pH and food supply, with concomitant impacts on deep-sea ecosystems. Projections suggest that abyssal (3000–6000 m) ocean temperatures could increase by 1°C over the next 84 years, while abyssal seafloor habitats under areas of deep-water formation may experience reductions in water column oxygen concentrations by as much as 0.03 mL L–1 by 2100. Bathyal depths (200–3000 m) worldwide will undergo the most significant reductions in pH in all oceans by the year 2100 (0.29 to 0.37 pH units). O2 concentrations will also decline in the bathyal NE Pacific and Southern Oceans, with losses up to 3.7% or more, especially at intermediate depths. Another important environmental parameter, the flux of particulate organic matter to the seafloor, is likely to decline significantly in most oceans, most notably in the abyssal and bathyal Indian Ocean where it is predicted to decrease by 40–55% by the end of the century. Unfortunately, how these major changes will affect deep-seafloor ecosystems is, in some cases, very poorly understood. In this paper, we provide a detailed overview of the impacts of these changing environmental parameters on deep-seafloor ecosystems that will most likely be seen by 2100 in continental margin, abyssal and polar settings. We also consider how these changes may combine with other anthropogenic stressors (e.g., fishing, mineral mining, oil and gas extraction) to further impact deep-seafloor ecosystems and discuss the possible societal implications. 
    Description: A.K. Sweetman D.O.B. Jones and R. Danovaro acknowledge funding from the European Union Seventh Framework Programme (FP7/2007–2013) under grant agreement 603418 (MIDAS), and the European Union Horizon 2020 research and innovation programme under grant agreement 689518 (MERCES). L.-A. Henry and J.M. Roberts acknowledge funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 678760 (ATLAS).
    Keywords: Deep-sea ; Climate change ; Ecosystem functioning ; Biodiversity ; Benthos
    Repository Name: Woods Hole Open Access Server
    Type: Article
    Location Call Number Limitation Availability
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  • 2
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    PANGAEA
    In:  Supplement to: La Beur, Laura; Henry, Lea-Anne; Kazanidis, Georgios; Hennige, Sebastian; McDonald, Alison; Roberts, J Murray (2019): Baseline Assessment of Marine Litter and Microplastic Ingestion by Cold-Water Coral Reef Benthos at the East Mingulay Marine Protected Area (Sea of the Hebrides, Western Scotland). Frontiers in Marine Science, 6, 80, https://doi.org/10.3389/fmars.2019.00080
    Publication Date: 2024-03-11
    Description: Analyzing historic cruise data for microplastics is an effective way to create baseline level understanding of microplastic pollution through time. This study analyzed 112 benthic specimens gut contents for ingestion of microplastics. These specimens were collected as part of a research cruise on the RRS Discovery D340b from 26 June to 4 July 2009 as part of the Oceans 2025 programme, the cruise Chief Scientist being Mark Inall. Out of the 112 specimens dissected, only 9 contained microplastic samples. These samples were photographed and their microplastic signatures were analysed using Raman Spectroscopy.
    Keywords: ATLAS; A Trans-Atlantic assessment and deep-water ecosystem-based spatial management plan for Europe; Color description; D340b_1485; D340b_1487; D340b_1490; D340b_1491; D340b_1495; DEPTH, water; Event label; File name; Latitude of event; Longitude of event; Size; Species; Station label; Type; Uniform resource locator/link to file
    Type: Dataset
    Format: text/tab-separated-values, 63 data points
    Location Call Number Limitation Availability
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