Detailed visual seabed survey at drilling site 7218/11-1
Detailed visual seabed survey at drilling site 7218/11-1
Detailed visual seabed survey at drilling site 7218/11-1
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5.3.4 Integr<strong>at</strong>ed assessment – baseline <strong>survey</strong> and detailed <strong>site</strong> <strong>survey</strong><br />
Figure31showsthe combinedobserv<strong>at</strong>ionsof spongedensitiesmadeduring the baseline<strong>survey</strong>in<br />
20<strong>11</strong>(DNV)andthe current<strong>survey</strong>.<br />
Initially, we aimed to integr<strong>at</strong>e the abundancec<strong>at</strong>egoriesto provide a combinedassessment,but<br />
without re-analysing the original images,we could not integr<strong>at</strong>e these efficiently. A decisionwas<br />
taken to simply use the current recordings,but to work together with DNV in the future, to<br />
standardiserecordingapproaches.<br />
Figure31. Map of observ<strong>at</strong>ionsof spongedensitiescarriedout duringthe 20<strong>11</strong>baseline<strong>survey</strong>and the current<br />
2012detailed<strong>visual</strong><strong>site</strong><strong>survey</strong>.<br />
<strong>Detailed</strong> <strong>site</strong> <strong>survey</strong> <strong>at</strong> PL531 Darwin<br />
Akvaplan-niva AS Rapport 6051 - 1 37