{
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    "@id": "http://portal.medin.org.uk/portal/json-ld/Marine_Scotland_FishDAC_1720.jsonld",
    "identifier": "Marine_Scotland_FishDAC_1720",
    "url": "http://portal.medin.org.uk/portal/?details&tpc=Marine_Scotland_FishDAC_1720",
    "name": "1412S- Mackerel acoustic survey North Sea -Scotia cruise 1412S",
    "description": "Daily folders (6) of Simrad format (.raw) acoustic data. SH80 sonar data. pdf biological data sheets for 5 pelagic hauls. All biological data available in FSS database. CTD data for 4 vertical dips. Continual Thermosalinograph data. Continual AGDS data.\r\nObjectives:\r\n\u2022\tTo obtain in-situ target strength data and biological samples from dispersed individuals and schools of mackerel to verify target strength models.\r\n\u2022\tTo obtain echosounder and sonar data from mackerel schools to determine numerical density and abundance.\r\n\u2022\tTo obtain hydrographic data from vertical CTD casts\r\n\r\nSpecific Objectives\r\n\r\n1.\tObtain individual in-situ TS measurements of mackerel\r\n2.\tObtain sonar recordings of mackerel schools\r\n3.\tObtain echosounder recordings of mackerel schools\r\n4.\tObtain biological samples of mackerel from schools (trawl)\r\n5.\tObtain biological samples of mackerel from dispersed single targets (rod and line)\r\n6.\tCalibrate Sv and TS gains on the Simrad EK60\r\n7.\tObtain and freeze a length stratified sample of mackerel for analysis on the laboratory \r\n8.\tObtain biological samples of spurdog\r\n9.\tObtain echosounder recordings of spurdog",
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    "temporalCoverage": "2012-10-16/2012-10-22",
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        },
        {
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            "name": "Acoustics"
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            "name": "Biota composition"
        },
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            "name": "Water column temperature and salinity"
        },
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        },
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        },
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            "box": "59.5 -3 61 0"
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            "name": "Scottish Government (Marine Scotland)",
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