137310Edited by jensr.110012831layer_information_pageund144906451014503495270014503495272<p><em>Nephrops norvegicus </em>is a mud burrowing species that constructs recognizable burrow complexes with distinctive crescent-shaped entrances.&nbsp; Stock assessments make use of size composition data from catches, combined with information on stock abundance obtained from underwater television (UWTV) surveys.&nbsp; At each station, a custom built sledge is towed along the sea bed and all <em>Nephrops </em>burrow complexes are counted and used to derive density estimates (as shown in this data layer).</p> <p><strong>Date of data:</strong> 2007-2014</p> full_html<p><em>Nephrops norvegicus </em>is a mud burrowing species that constructs recognizable burrow complexes with distinctive crescent-shaped entrances.  Stock assessments make use of size composition data from catches, combined with information on stock abundance obtained from underwater television (UWTV) surveys.  At each station, a custom built sledge is towed along the sea bed and all <em>Nephrops </em>burrow complexes are counted and used to derive density estimates (as shown in this data layer).</p> <p><strong>Date of data:</strong> 2007-2014</p> 32814134325311531253135369758852sioc:Itemfoaf:Documentdc:datedc:createdxsd:dateTimedate_iso8601dc:modifiedxsd:dateTimedate_iso8601content:encodedsioc:has_creatorrelfoaf:namesioc:num_repliesxsd:integersioc:last_activity_datexsd:dateTimedate_iso8601https://marine.gov.scot/?q=information/nephrops-tv-assessed-burrow-density-2007-2014-average-number-burrows017491373112831draftpublished2145034952711145034952717491373112831draftpublished2145034952711145034952717491373112831draftpublished21450349527111450349527