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  <dc:title xmlns:dc="http://purl.org/dc/elements/1.1/">0909S HERAS North sea herring acoustic survey-Scotia cruise 0909S</dc:title>
  <dc:type xmlns:dc="http://purl.org/dc/elements/1.1/">dataset</dc:type>
  <dc:identifier xmlns:dc="http://purl.org/dc/elements/1.1/">https://portal.medin.org.uk/portal/start.php?tpc=012_Marine_Scotland_FishDAC_1722</dc:identifier>
  <dc:description xmlns:dc="http://purl.org/dc/elements/1.1/">Daily folders (17) of Simrad format (.raw) acoustic data. 17 Echoview format (EV) format analysis files. Excel biological data for 37 pelagic hauls. CTD data for 31 deployments. Excel data for 31 zooplankton dips. Continual Thermosalinograph data. Continual AGDS data.
Fishing Gear 
Midwater trawl PT160 x 3. 
Multisampling pelagic cod-end with one fine mesh cod-end. 
Ocean Sampler. 
Objectives:
&#x2022;	To conduct an acoustic survey to estimate the abundance and distribution of herring in the north western North Sea and north of Scotland between 58&#xBA;30&#x2019;-62&#xBA;N and 4&#xBA;W to 2&#xBA;E, excluding Faroese waters.
&#x2022;	To obtain biological samples for echosounder trace identification using a pelagic trawl.
&#x2022;	To obtain samples of herring for biological analysis, including age, length, weight, sex, maturity, ichthyophonus infection and fat content.
&#x2022;	To obtain hydrographic data for comparison with the horizontal and vertical distribution of herring.
&#x2022;	To obtain plankton samples to map the distribution and abundance of zooplankton.</dc:description>
  <dc:date xmlns:dc="http://purl.org/dc/elements/1.1/">20160405</dc:date>
</oai_dc:dc>