2003 Strategic Environmental Assessment SEA4 Report - Temporal variability in benthic populations from the Faroe-Shetland Channel

Report published by Scottish Association for Marine Science as part of the UK Department of Energy and Climate Change's Offshore Energy Strategic Environmental Assessment programme. The West of Shetland transect was initially sampled in 1996 as part of the first Atlantic Frontier Environmental Network (AFEN) cruise (CD 101C). The overall AFEN survey design was based on a random stratified sampling regime, whereas station positions on the West of Shetland transect were pre-determined. The transect was included in the sampling regime in order not to miss any changes in the benthic population that may occur over a short depth gradient. The 15 transect stations are situated along a bathymetric gradient ranging in depth from ~150 m - 1000 m. Between 150 m and 700 m the stations are placed at depth intervals of 50 m, thereafter they are every 100 m. Samples were collected from these 15 stations in 1996, 1998 and 2000 using a day grab, box corer or megacorer. Statistical analyses were performed on these results.

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