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    "url": "http://portal.medin.org.uk/portal/?details&tpc=10301a75-5bbd-4c5a-bb05-d794ced6540d",
    "name": "2010, SEAMARCO, Acoustic Mitigation Devices (AMDs) to Deter Marine Mammals from Pile Driving Areas at Sea",
    "description": "For the sustainable development of the offshore renewable energy industry, it is necessary to\r\nreduce or avoid the damaging effects of noise (such as death or permanent hearing damage), from\r\nactivities which produce high sound pressure levels, such as pile driving, on marine mammals. One\r\nway to achieve this is to ensure that marine mammals are not present in areas where loud noises are\r\nbeing produced, by deterring them by means of safe sounds produced by Acoustic Mitigation Devices\r\n(AMDs). Research is needed to determine whether AMDs can mitigate immediate vicinity impacts of\r\nloud sounds, which could give rise to temporary or permanent hearing damage, injury or death of\r\nmarine mammals.\r\nIn the North Sea, the two most abundant marine mammal species are the harbour porpoise\r\n(Phocoena phocoena) and the harbour seal (Phoca vitulina). COWRIE commissioned SEAMARCO to\r\ncarry out four studies on the audibility of sounds produced by three selected AMDs and their effect on\r\nthe behaviour of harbour porpoises and harbour seals (playback experiments). In addition to\r\nachieving these aims, SEAMARCO estimated the distances at which sounds from AMDs are audible\r\nto, and elicit behavioural responses in, harbour porpoises and harbour seals.",
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            "name": "The Crown Estate",
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        "description": "The MEDIN portal contains information about 19493 marine datasets from over 600 UK organisations. Metadata are an enduring resource and contact details are publicly available for a long time. \r\n\t\tPlease contact us (enquiries@medin.org.uk) if you find your contact details on the MEDIN portal and do not consent to this. \r\n\t\tYou can now use our GitHub repository to report issues or access related documents. Metadata records are updated daily and were last updated 2026-04-19. Record deletion takes place weekly and the latest occurred 2026-04-12."
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